From be569ba4accf8a4e08ab3e810d6420e501ec6595 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Tue, 8 Jul 2025 21:20:29 -0400
Subject: [PATCH 01/66] fix(taskfiles)!: Check the specified FILE_SHA256
 matches the downloaded file in `remote:curl`.

---
 exports/taskfiles/utils/remote.yaml |  8 +++++---
 taskfiles/remote/tests.yaml         | 27 ++++++++++++++++++++++-----
 2 files changed, 27 insertions(+), 8 deletions(-)

diff --git a/exports/taskfiles/utils/remote.yaml b/exports/taskfiles/utils/remote.yaml
index c7f1fa3..116de4c 100644
--- a/exports/taskfiles/utils/remote.yaml
+++ b/exports/taskfiles/utils/remote.yaml
@@ -23,9 +23,8 @@ tasks:
     status:
       - >-
         diff
-        <(echo "{{.FILE_SHA256}}")
-        <(openssl dgst -sha256 "{{.OUTPUT_FILE}}"
-        | awk '{print $2}')
+          <(echo "{{.FILE_SHA256}}")
+          <(openssl dgst -sha256 "{{.OUTPUT_FILE}}" | awk '{print $2}')
     cmds:
       - |-
         mkdir -p "{{dir .OUTPUT_FILE}}"
@@ -50,6 +49,9 @@ tasks:
           echo "Failed to download after $max_attempts attempts."
           exit 1
         fi
+        diff \
+          <(echo "{{.FILE_SHA256}}") \
+          <(openssl dgst -sha256 "{{.OUTPUT_FILE}}" | awk '{print $2}')
 
   # Uses curl to download a tar file from the given URL and extracts its contents.
   #
diff --git a/taskfiles/remote/tests.yaml b/taskfiles/remote/tests.yaml
index 59cffa7..0275695 100644
--- a/taskfiles/remote/tests.yaml
+++ b/taskfiles/remote/tests.yaml
@@ -4,21 +4,38 @@ includes:
   remote: "../../exports/taskfiles/utils/remote.yaml"
 
 vars:
-  G_EXTRACTED_ZIP_CODEOWNERS_PATH: "yscope-dev-utils-main/.github/CODEOWNERS"
-  G_EXTRACTED_ZIP_LICENSE_PATH: "yscope-dev-utils-main/LICENSE"
+  G_EXTRACTED_ROOT_DIR: "yscope-dev-utils-fd7c42dd7b59f8f4ab0eccba5078393e10cddb00"
+  G_EXTRACTED_ZIP_CODEOWNERS_PATH: "{{.G_EXTRACTED_ROOT_DIR}}/.github/CODEOWNERS"
+  G_EXTRACTED_ZIP_LICENSE_PATH: "{{.G_EXTRACTED_ROOT_DIR}}/LICENSE"
   G_EXTRACTED_ZIP_PULL_REQUEST_TEMPLATE_PATH: >-
-    yscope-dev-utils-main/.github/PULL_REQUEST_TEMPLATE.md
-  G_TEST_ZIP_FILE_SHA256: "2c9a21f83484e004c41c28be759451dbdc787190eb044365ba58f7bb846418f6"
-  G_TEST_ZIP_FILE_URL: "https://github.com/y-scope/yscope-dev-utils/archive/refs/heads/main.zip"
+    {{.G_EXTRACTED_ROOT_DIR}}/.github/PULL_REQUEST_TEMPLATE.md
+  G_TEST_ZIP_FILE_SHA256: "141e807e9b4b9e28c254165c5a402ff54c0c9d3f9153178dfcff5354ace0c3d4"
+  G_TEST_ZIP_FILE_URL: "https://github.com/y-scope/yscope-dev-utils/archive/fd7c42d.zip"
 
 tasks:
   default:
     internal: true
     cmds:
+      - task: "curl-test-success"
       - task: "download-and-extract-zip-test-basic"
       - task: "download-and-extract-zip-test-exclusions"
       - task: "download-and-extract-zip-test-inclusions"
 
+  curl-test-success:
+    vars:
+      OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"
+      OUTPUT_FILE: "{{.OUTPUT_DIR}}.zip"
+    cmds:
+      - task: "remote:curl"
+        vars:
+          FILE_SHA256: "{{.G_TEST_ZIP_FILE_SHA256}}"
+          OUTPUT_FILE: "{{.OUTPUT_FILE}}"
+          URL: "{{.G_TEST_ZIP_FILE_URL}}"
+      - |-
+        diff \
+          <(echo "{{.G_TEST_ZIP_FILE_SHA256}}") \
+          <(openssl dgst -sha256 "{{.OUTPUT_FILE}}" | awk '{print $2}')
+
   download-and-extract-zip-test-basic:
     vars:
       OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"

From 3a9334e3fad3bb671a99015fc6b3a7d441ea27d6 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Fri, 11 Jul 2025 20:50:07 -0400
Subject: [PATCH 02/66] Add checksum unit tests.

---
 taskfiles/checksum/tests.yaml | 148 ++++++++++++++++++++++++++++++++++
 taskfiles/tests.yaml          |   2 +
 2 files changed, 150 insertions(+)
 create mode 100644 taskfiles/checksum/tests.yaml

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
new file mode 100644
index 0000000..542d701
--- /dev/null
+++ b/taskfiles/checksum/tests.yaml
@@ -0,0 +1,148 @@
+version: "3"
+
+includes:
+  checksum:
+    internal: true
+    taskfile: "../../exports/taskfiles/utils/checksum.yaml"
+
+tasks:
+  default:
+    cmds:
+      - task: "checksum-test-rerun"
+      - task: "checksum-test-skip"
+      - task: "checksum-test-update"
+
+  checksum-test-rerun:
+    vars:
+      OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"
+      SRC_DIR: "{{.OUTPUT_DIR}}/src"
+
+      CHECKSUM_FILE: "{{.SRC_DIR}}.md5"
+      CHECKSUM_FILE_REF: "{{.CHECKSUM_FILE}}.ref"
+      FILE_0: "{{.SRC_DIR}}/0.txt"
+      FILE_1: "{{.SRC_DIR}}/1.txt"
+    cmds:
+      - task: "checksum-test-init"
+        vars:
+          OUTPUT_DIR: "{{.OUTPUT_DIR}}"
+      - task: "create-dir-with-checksum"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          FILE_PATH: "{{.FILE_0}}"
+      - "mv '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - task: "create-dir-with-checksum"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          FILE_PATH: "{{.FILE_1}}"
+
+      # Test create-dir-with-checksum ran the second time.
+      - "test ! -e '{{.FILE_0}}'"
+      - "test -e '{{.FILE_1}}'"
+      - |-
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+            echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
+            exit 1
+        fi
+
+
+  checksum-test-skip:
+    vars:
+      OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"
+      SRC_DIR: "{{.OUTPUT_DIR}}/src"
+
+      CHECKSUM_FILE: "{{.SRC_DIR}}.md5"
+      CHECKSUM_MOD_TS: "{{.CHECKSUM_FILE}}-mod-ts.txt"
+      FILE_0: "{{.SRC_DIR}}/0.txt"
+      FILE_1: "{{.SRC_DIR}}/1.txt"
+    cmds:
+      - task: "checksum-test-init"
+        vars:
+          OUTPUT_DIR: "{{.OUTPUT_DIR}}"
+      - task: "create-dir-with-checksum"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          FILE_PATH: "{{.FILE_0}}"
+      - "date -r '{{.CHECKSUM_FILE}}' > '{{.CHECKSUM_MOD_TS}}'"
+      - task: "create-dir-with-checksum"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          FILE_PATH: "{{.FILE_1}}"
+
+      # Test create-dir-with-checksum didn't run the second time.
+      - "test -e '{{.FILE_0}}'"
+      - "test ! -e '{{.FILE_1}}'"
+      - "diff '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
+
+  checksum-test-update:
+    vars:
+      OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"
+      SRC_DIR: "{{.OUTPUT_DIR}}/src"
+
+      CHECKSUM_FILE: "{{.SRC_DIR}}.md5"
+      CHECKSUM_FILE_REF0: "{{.CHECKSUM_FILE}}.ref0"
+      CHECKSUM_FILE_REF1: "{{.CHECKSUM_FILE}}.ref1"
+      FILE_0: "{{.SRC_DIR}}/0.txt"
+      FILE_1: "{{.SRC_DIR}}/1.txt"
+    cmds:
+      - task: "checksum-test-init"
+        vars:
+          OUTPUT_DIR: "{{.OUTPUT_DIR}}"
+      - task: "create-dir-with-checksum"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          FILE_PATH: "{{.FILE_0}}"
+      - "cp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+
+      - "cat '{{.CHECKSUM_FILE}}' > '{{.FILE_0}}'"
+      - task: "checksum:compute"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS: ["{{.SRC_DIR}}"]
+      - "cp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+
+      - task: "create-dir-with-checksum"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          FILE_PATH: "{{.FILE_1}}"
+
+      # Test create-dir-with-checksum didn't run the second time.
+      - "test -e '{{.FILE_0}}'"
+      - "test ! -e '{{.FILE_1}}'"
+      - "diff <(cat '{{.FILE_0}}') <(cat '{{.CHECKSUM_FILE_REF0}}')"
+      - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+      - |-
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
+            echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF0}}' should differ."
+            exit 1
+        fi
+
+  checksum-test-init:
+    internal: true
+    requires:
+      vars: ["OUTPUT_DIR"]
+    cmds:
+      - "rm -rf {{.OUTPUT_DIR}}*"
+      - "mkdir -p '{{.OUTPUT_DIR}}'"
+
+  create-dir-with-checksum:
+    internal: true
+    vars:
+      DIR: "{{dir .FILE_PATH}}"
+    requires:
+      vars: ["CHECKSUM_FILE", "FILE_PATH"]
+    sources: ["{{.TASKFILE}}"]
+    generates: ["{{.CHECKSUM_FILE}}"]
+    deps:
+      - task: "checksum:validate"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS: ["{{.DIR}}"]
+    cmds:
+      - |-
+        rm -rf "{{.DIR}}"
+        mkdir -p "{{.DIR}}"
+        touch "{{.FILE_PATH}}"
+      - task: "checksum:compute"
+        vars:
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS: ["{{.DIR}}"]
diff --git a/taskfiles/tests.yaml b/taskfiles/tests.yaml
index 7c99a64..84626f9 100644
--- a/taskfiles/tests.yaml
+++ b/taskfiles/tests.yaml
@@ -2,6 +2,7 @@ version: "3"
 
 includes:
   boost: "boost/tests.yaml"
+  checksum: "checksum/tests.yaml"
   remote: "remote/tests.yaml"
   ystdlib-py: "ystdlib-py/tests.yaml"
 
@@ -10,6 +11,7 @@ tasks:
     internal: true
     cmds:
       - task: "boost"
+      - task: "checksum"
       - task: "remote"
       - task: "ystdlib-py"
 

From 9e41b40bd210b182ffd651845bffd8e2eada78c4 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sat, 23 Aug 2025 00:48:14 -0400
Subject: [PATCH 03/66] feat(taskfile)!: Use checksum tasks to prevent
 unnecessary repetition of Boost tasks; Add checksum unit tests.

---
 exports/taskfiles/utils/boost.yaml    | 221 +++++++++++++++-----------
 exports/taskfiles/utils/checksum.yaml |  25 ++-
 taskfiles/boost/CMakeLists.txt        |   2 -
 taskfiles/boost/tests.yaml            |   7 +-
 4 files changed, 149 insertions(+), 106 deletions(-)

diff --git a/exports/taskfiles/utils/boost.yaml b/exports/taskfiles/utils/boost.yaml
index 33fec0a..d02b2b2 100644
--- a/exports/taskfiles/utils/boost.yaml
+++ b/exports/taskfiles/utils/boost.yaml
@@ -8,38 +8,41 @@ set: ["u", "pipefail"]
 shopt: ["globstar"]
 
 tasks:
-  # Generates `GENERATE_DIR` by copying `SOURCE_DIR` and then running boost's bootstrap step.
+  # Runs the Boost generate (bootstrap) step.
   #
-  # @param {string} SOURCE_DIR Project source directory.
-  # @param {string} GENERATE_DIR Directory in which to generate `b2` and the build configuration.
-  # @param {string} GENERATE_CHECKSUM_FILE Checksum file for `GENERATE_DIR`.
   # @param {string} INSTALL_PREFIX Path prefix of where the project should be installed.
+  # @param {string} SOURCE_DIR Project source directory.
   # @param {string[]} TARGETS Target libraries to build.
+  # @param {string} [CHECKSUM_FILE={{.SOURCE_DIR}}.md5] Checksum file path for `SOURCE_DIR`.
   # @param {string[]} [EXTRA_ARGS] Any additional arguments to pass to the generate command.
   generate:
     internal: true
+    label: "{{.TASK}}:{{.SOURCE_DIR}}"
     vars:
+      CHECKSUM_FILE: >-
+        {{default (printf "%s.md5" .SOURCE_DIR) .CHECKSUM_FILE}}
       EXTRA_ARGS:
         ref: "default (list) .EXTRA_ARGS"
+      SOURCE_SENTINEL_FILE: "{{.SOURCE_DIR}}/{{.TASK}}.sentinel"
     requires:
-      vars: ["SOURCE_DIR", "GENERATE_DIR", "GENERATE_CHECKSUM_FILE", "INSTALL_PREFIX", "TARGETS"]
+      vars:
+        - "INSTALL_PREFIX"
+        - "TARGETS"
+        - "SOURCE_DIR"
     sources:
-      - "{{.SOURCE_DIR}}/**/*"
+      - "{{.TASKFILE}}"
     generates:
-      - "{{.GENERATE_CHECKSUM_FILE}}"
+      - "{{.CHECKSUM_FILE}}"
+      - "{{.SOURCE_SENTINEL_FILE}}"
     deps:
       - task: "checksum:validate"
         vars:
-          CHECKSUM_FILE: "{{.GENERATE_CHECKSUM_FILE}}"
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           INCLUDE_PATTERNS:
-            - "{{.GENERATE_DIR}}"
+            - "{{.SOURCE_DIR}}"
     cmds:
       - >-
-        rm -rf "{{.GENERATE_DIR}}"
-      - >-
-        cp -R "{{.SOURCE_DIR}}" "{{.GENERATE_DIR}}"
-      - >-
-        pushd "{{.GENERATE_DIR}}";
+        pushd "{{.SOURCE_DIR}}";
         ./bootstrap.sh
         --prefix="{{.INSTALL_PREFIX}}"
         --exec-prefix="{{.INSTALL_PREFIX}}"
@@ -48,37 +51,79 @@ tasks:
           "{{.}}"
         {{- end}};
         popd
+      - "touch '{{.SOURCE_SENTINEL_FILE}}'"
       - task: "checksum:compute"
         vars:
-          CHECKSUM_FILE: "{{.GENERATE_CHECKSUM_FILE}}"
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           INCLUDE_PATTERNS:
-            - "{{.GENERATE_DIR}}"
+            - "{{.SOURCE_DIR}}"
 
-  # Runs boost's b2 build and install step, and creates a CMake settings file. The caller must have
-  # previously called `generate` on `SOURCE_DIR` (to produce the `GENERATE_DIR`) for this task to
-  # succeed.
+  # Runs Boost's b2 build and install step.
+  # Fails if the caller has not successfully called `generate` on `SOURCE_DIR`.
   #
-  # @param {string} GENERATE_DIR Directory containing boost's source and build files.
+  # Required parameters
   # @param {string} BUILD_DIR Directory in which to build boost.
   # @param {string} INSTALL_PREFIX Path prefix of where the project should be installed.
-  # @param {string[]} [EXTRA_ARGS] Any additional arguments to pass to the build command.
+  # @param {string} SOURCE_DIR Directory containing boost's source and build files.
+  #
+  # Checksum parameters
+  # @param {string} [BUILD_CHECKSUM_FILE={{.BUILD_DIR}}.md5] Checksum file path for `BUILD_DIR`.
+  # @param {string} [INSTALL_CHECKSUM_FILE={{.INSTALL_PREFIX}}.md5] Checksum file path for
+  # `INSTALL_PREFIX`
+  # @param {string} [SOURCE_CHECKSUM_FILE={{.SOURCE_DIR}}.md5] Checksum file path for `SOURCE_DIR`.
+  #
+  # Build command parameters
   # @param {int} [JOBS] The maximum number of concurrent processes to use when building. If
   # omitted, the b2 default number is used. Before 1.76.0, the number was 1. Since 1.76.0, the
   # default is the number of cores.
-  # @param {string} [CMAKE_SETTINGS_DIR] If set, the directory where the project's CMake settings
-  # file should be stored.
+  # @param {string[]} [EXTRA_ARGS] Any additional arguments to pass to the build command.
   build-and-install:
     internal: true
+    label: "{{.TASK}}:{{.BUILD_DIR}}-{{.INSTALL_PREFIX}}"
     vars:
+      # Checksum files
+      BUILD_CHECKSUM_FILE: >-
+        {{default (printf "%s.md5" .BUILD_DIR) .BUILD_CHECKSUM_FILE}}
+      INSTALL_CHECKSUM_FILE: >-
+        {{default (printf "%s.md5" .INSTALL_PREFIX) .INSTALL_CHECKSUM_FILE}}
+      SOURCE_CHECKSUM_FILE: >-
+        {{default (printf "%s.md5" .SOURCE_DIR) .SOURCE_CHECKSUM_FILE}}
+
       EXTRA_ARGS:
         ref: "default (list) .EXTRA_ARGS"
-      JOBS: >-
-        {{default "" .JOBS}}
+      SOURCE_SENTINEL_FILE: "{{.SOURCE_DIR}}/{{.TASK}}.sentinel"
     requires:
-      vars: ["GENERATE_DIR", "BUILD_DIR", "INSTALL_PREFIX"]
+      vars:
+        - "BUILD_DIR"
+        - "INSTALL_PREFIX"
+        - "SOURCE_DIR"
+    sources:
+      - "{{.TASKFILE}}"
+    generates:
+      - "{{.BUILD_CHECKSUM_FILE}}"
+      - "{{.INSTALL_CHECKSUM_FILE}}"
+      - "{{.SOURCE_CHECKSUM_FILE}}"
+      - "{{.SOURCE_SENTINEL_FILE}}"
+    deps:
+      - task: "checksum:validate"
+        vars:
+          CHECKSUM_FILE: "{{.BUILD_CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS:
+            - "{{.BUILD_DIR}}"
+      - task: "checksum:validate"
+        vars:
+          CHECKSUM_FILE: "{{.INSTALL_CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS:
+            - "{{.INSTALL_PREFIX}}"
+      - task: "checksum:validate"
+        vars:
+          CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS:
+            - "{{.SOURCE_DIR}}"
+          FAIL: "true"
     cmds:
       - >-
-        pushd "{{.GENERATE_DIR}}";
+        pushd "{{.SOURCE_DIR}}";
         ./b2
         install
         --build-dir="{{.BUILD_DIR}}"
@@ -89,102 +134,90 @@ tasks:
           "-j{{.JOBS}}"
         {{- end}};
         popd;
-      - >-
-        {{- if .CMAKE_SETTINGS_DIR}}
-          echo "set(Boost_ROOT
-            \"{{.INSTALL_PREFIX}}\"
-            CACHE PATH
-            \"Package root for Boost.\"
-          )" >> "{{.CMAKE_SETTINGS_DIR}}/Boost.cmake"
-        {{- end}}
+      - "touch '{{.SOURCE_SENTINEL_FILE}}'"
+      - task: "checksum:compute"
+        vars:
+          CHECKSUM_FILE: "{{.BUILD_CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS:
+            - "{{.BUILD_DIR}}"
+      - task: "checksum:compute"
+        vars:
+          CHECKSUM_FILE: "{{.INSTALL_CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS:
+            - "{{.INSTALL_PREFIX}}"
+      - task: "checksum:compute"
+        vars:
+          CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
+          INCLUDE_PATTERNS:
+            - "{{.SOURCE_DIR}}"
 
-  # Downloads boost from `URL` and installs boost.
+  # Downloads Boost from `URL` and then generates, builds, and installs Boost inside `WORK_DIR`. If
+  # `CMAKE_SETTINGS_DIR` is set, a settings file will be created in that directory, containing a
+  # `Boost_ROOT` CMake variable that points to `INSTALL_PREFIX`.
   #
   # General parameters
-  # @param {string} [WORK_DIR={{.ROOT_DIR}}] Base directory in which to store the source, generate,
-  # build, and install directories.
-  # @param {string} [SOURCE_DIR={{.WORK_DIR}}/boost-src] Directory in which to extract the tar
-  # file.
-  #
-  # Download parameters
-  # @param {string} FILE_SHA256 Content hash to verify the downloaded tar file against.
-  # @param {string} URL
+  # @param {string} TAR_SHA256 Content hash to verify the downloaded tar file against.
+  # @param {string} TAR_URL URL of the tar file to download.
+  # @param {string} WORK_DIR Directory in which to store the source, build, and install directories.
+  # @param {string} [CMAKE_SETTINGS_DIR] If set, the directory where the project's CMake settings
+  # file should be stored.
   #
-  # Boost generate parameters
-  # @param {string} [GENERATE_DIR={{.WORK_DIR}}/boost-generate] Directory in which to generate the
-  # project build files.
-  # @param {string} [GENERATE_CHECKSUM_FILE={{.WORK_DIR}}/boost-generate.md5] Checksum file for the
-  # generate directory.
-  # @param {string} [INSTALL_PREFIX={{.WORK_DIR}}/boost-install] Path prefix of where the project
-  # should be installed.
-  # @param {string[]} [TARGETS] Target libraries to build.
+  # Boost parameters
+  # @param {string[]} [BUILD_AND_INSTALL_ARGS] Any additional arguments to pass to boost's build and
+  # install command.
   # @param {string[]} [GENERATE_ARGS] Any additional arguments to pass to the generate command.
-  #
-  # Boost build-and-install parameters
-  # @param {string} [BUILD_DIR={{.WORK_DIR}}/boost-build] Directory in which to build the project.
   # @param {int} [JOBS] The maximum number of concurrent processes to use when building. If
   # omitted, the b2 default number is used. Before 1.76.0, the number was 1. Since 1.76.0, the
   # default is the number of cores.
-  # @param {string[]} [BUILD_AND_INSTALL_ARGS] Any additional arguments to pass to boost's build
-  # and install command.
-  # @param {string} [CMAKE_SETTINGS_DIR] If set, the directory where the project's CMake settings
-  # file should be stored.
+  # @param {string[]} [TARGETS] Target libraries to build.
   download-and-install:
     internal: true
-    label: "{{.TASK}}:{{.URL}}-{{.INSTALL_PREFIX}}"
+    label: "{{.TASK}}:{{.URL}}-{{.WORK_DIR}}"
     vars:
-      # General parameters
-      WORK_DIR: >-
-        {{default .ROOT_DIR .WORK_DIR}}
-      SOURCE_DIR: >-
-        {{default (printf "%s/boost-src" .WORK_DIR) .SOURCE_DIR}}
-
-      # Boost generate parameters
-      GENERATE_DIR: >-
-        {{default (printf "%s/boost-generate" .WORK_DIR) .GENERATE_DIR}}
-      GENERATE_CHECKSUM_FILE: >-
-        {{default (printf "%s/boost-generate.md5" .WORK_DIR) .GENERATE_CHECKSUM_FILE}}
-      INSTALL_PREFIX: >-
-        {{default (printf "%s/boost-install" .WORK_DIR) .INSTALL_PREFIX}}
-      TARGETS:
-        ref: "default (list) .TARGETS"
-      GENERATE_ARGS:
-        ref: "default (list) .GENERATE_ARGS"
+      # Directory parameters
+      BUILD_DIR: "{{.WORK_DIR}}/boost-build"
+      INSTALL_PREFIX: "{{.WORK_DIR}}/boost-install"
+      SOURCE_DIR: "{{.WORK_DIR}}/boost-src"
 
-      # Boost build-and-install parameters
-      BUILD_DIR: >-
-        {{default (printf "%s/boost-build" .WORK_DIR) .BUILD_DIR}}
-      BUILD_AND_INSTALL_ARGS:
-        ref: "default (list) .BUILD_AND_INSTALL_ARGS"
-      JOBS: >-
-        {{default "" .JOBS}}
-      CMAKE_SETTINGS_DIR: >-
-        {{default "" .CMAKE_SETTINGS_DIR}}
+      # Checksum parameters
+      BUILD_AND_INSTALL_CHECKSUM_FILE: "{{.WORK_DIR}}/boost-build-install.md5"
+      SOURCE_CHECKSUM_FILE: "{{.SOURCE_DIR}}.md5"
     requires:
-      vars: ["FILE_SHA256", "URL"]
+      vars:
+        - "TAR_SHA256"
+        - "TAR_URL"
+        - "WORK_DIR"
     deps:
       - task: "remote:download-and-extract-tar"
         vars:
-          FILE_SHA256: "{{.FILE_SHA256}}"
+          FILE_SHA256: "{{.TAR_SHA256}}"
           OUTPUT_DIR: "{{.SOURCE_DIR}}"
-          URL: "{{.URL}}"
+          URL: "{{.TAR_URL}}"
     cmds:
       - task: "generate"
         vars:
-          SOURCE_DIR: "{{.SOURCE_DIR}}"
-          GENERATE_DIR: "{{.GENERATE_DIR}}"
-          GENERATE_CHECKSUM_FILE: "{{.GENERATE_CHECKSUM_FILE}}"
+          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           INSTALL_PREFIX: "{{.INSTALL_PREFIX}}"
+          SOURCE_DIR: "{{.SOURCE_DIR}}"
           TARGETS:
             ref: ".TARGETS"
           EXTRA_ARGS:
             ref: ".GENERATE_ARGS"
       - task: "build-and-install"
         vars:
-          GENERATE_DIR: "{{.GENERATE_DIR}}"
+          BUILD_AND_INSTALL_CHECKSUM_FILE: "{{.BUILD_AND_INSTALL_CHECKSUM_FILE}}"
           BUILD_DIR: "{{.BUILD_DIR}}"
           INSTALL_PREFIX: "{{.INSTALL_PREFIX}}"
+          SOURCE_CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
+          SOURCE_DIR: "{{.SOURCE_DIR}}"
           EXTRA_ARGS:
             ref: ".BUILD_AND_INSTALL_ARGS"
           JOBS: "{{.JOBS}}"
-          CMAKE_SETTINGS_DIR: "{{.CMAKE_SETTINGS_DIR}}"
+      - >-
+        {{- if .CMAKE_SETTINGS_DIR}}
+          echo "set(Boost_ROOT
+            \"{{.INSTALL_PREFIX}}\"
+            CACHE PATH
+            \"Package root for Boost.\"
+          )" > "{{.CMAKE_SETTINGS_DIR}}/Boost.cmake"
+        {{- end}}
diff --git a/exports/taskfiles/utils/checksum.yaml b/exports/taskfiles/utils/checksum.yaml
index e9b5ec7..0641087 100644
--- a/exports/taskfiles/utils/checksum.yaml
+++ b/exports/taskfiles/utils/checksum.yaml
@@ -46,20 +46,29 @@ tasks:
     # Ignore errors so that dependent tasks don't fail
     ignore_error: true
 
+  # Validates the checksum of the given path include patterns matches the checksum in the given
+  # file. If `FAIL` is set to "true" the task will fail, otherwise the checksum file is deleted.
+  #
   # @param {string} CHECKSUM_FILE
   # @param {string[]} INCLUDE_PATTERNS Path wildcard patterns to validate the checksum for.
   # @param {string[]} [EXCLUDE_PATTERNS] Path wildcard patterns, relative to any `INCLUDE_PATTERNS`,
   # to exclude from the checksum.
+  # @param {string} [FAIL="false"] If set to "true" the task fails.
   validate:
-    desc: "Validates the checksum of the given directory matches the checksum in the given file, or
-    deletes the checksum file otherwise."
     internal: true
     label: "{{.TASK}}-{{.CHECKSUM_FILE}}"
-    silent: true
     vars:
+      FAIL: >-
+        {{- if (eq "true" .FAIL) -}}
+          true
+        {{- else}}
+          false
+        {{- end}}
       TMP_CHECKSUM_FILE: "{{.CHECKSUM_FILE}}.tmp"
     requires:
-      vars: ["CHECKSUM_FILE", "INCLUDE_PATTERNS"]
+      vars:
+        - "CHECKSUM_FILE"
+        - "INCLUDE_PATTERNS"
     cmds:
       - task: "compute"
         vars:
@@ -69,7 +78,6 @@ tasks:
             ref: "default (list) .EXCLUDE_PATTERNS"
           CHECKSUM_FILE: "{{.TMP_CHECKSUM_FILE}}"
       - defer: "rm -f '{{.TMP_CHECKSUM_FILE}}'"
-      # Check that all paths exist and the checksum matches; otherwise delete the checksum file.
       - |-
         (
           {{- range .INCLUDE_PATTERNS}}
@@ -78,4 +86,9 @@ tasks:
           done
           {{- end}}
           diff -q "{{.TMP_CHECKSUM_FILE}}" "{{.CHECKSUM_FILE}}" 2> /dev/null
-        ) || rm -f "{{.CHECKSUM_FILE}}"
+        ) \
+        {{- if eq "true" .FAIL}}
+          || false
+        {{- else}}
+          || rm -f "{{.CHECKSUM_FILE}}"
+        {{- end}}
diff --git a/taskfiles/boost/CMakeLists.txt b/taskfiles/boost/CMakeLists.txt
index fd3e1aa..1480ba4 100644
--- a/taskfiles/boost/CMakeLists.txt
+++ b/taskfiles/boost/CMakeLists.txt
@@ -30,7 +30,6 @@ find_package(
         process
         program_options
         regex
-        system
         url
 )
 if(Boost_FOUND)
@@ -49,6 +48,5 @@ target_link_libraries(
         Boost::process
         Boost::program_options
         Boost::regex
-        Boost::system
         Boost::url
 )
diff --git a/taskfiles/boost/tests.yaml b/taskfiles/boost/tests.yaml
index f6544bc..85570c1 100644
--- a/taskfiles/boost/tests.yaml
+++ b/taskfiles/boost/tests.yaml
@@ -48,9 +48,9 @@ tasks:
       - task: "utils:boost:download-and-install"
         vars:
           WORK_DIR: "{{.G_BOOST_DEPS_DIR}}/boost"
-          FILE_SHA256: "2128a4c96862b5c0970c1e34d76b1d57e4a1016b80df85ad39667f30b1deba26"
-          URL: "https://github.com/boostorg/boost/releases/download/boost-1.86.0/\
-            boost-1.86.0-b2-nodocs.tar.gz"
+          TAR_SHA256: "aa25e7b9c227c21abb8a681efd4fe6e54823815ffc12394c9339de998eb503fb"
+          TAR_URL: "https://github.com/boostorg/boost/releases/download/boost-1.89.0/\
+            boost-1.89.0-b2-nodocs.tar.gz"
           CMAKE_SETTINGS_DIR: "{{.G_BOOST_DEPS_CMAKE_SETTINGS_DIR}}"
           TARGETS:
             - "filesystem"
@@ -59,7 +59,6 @@ tasks:
             - "process"
             - "program_options"
             - "regex"
-            - "system"
             - "url"
 
   run-boost-test:

From 3329f52521b88e6c9d87f2ed492c942f1f8897ec Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sat, 23 Aug 2025 00:58:56 -0400
Subject: [PATCH 04/66] Follow yaml guidelines.

---
 exports/taskfiles/utils/boost.yaml | 30 ++++++++++--------------------
 1 file changed, 10 insertions(+), 20 deletions(-)

diff --git a/exports/taskfiles/utils/boost.yaml b/exports/taskfiles/utils/boost.yaml
index d02b2b2..65e03d0 100644
--- a/exports/taskfiles/utils/boost.yaml
+++ b/exports/taskfiles/utils/boost.yaml
@@ -29,8 +29,7 @@ tasks:
         - "INSTALL_PREFIX"
         - "TARGETS"
         - "SOURCE_DIR"
-    sources:
-      - "{{.TASKFILE}}"
+    sources: ["{{.TASKFILE}}"]
     generates:
       - "{{.CHECKSUM_FILE}}"
       - "{{.SOURCE_SENTINEL_FILE}}"
@@ -38,8 +37,7 @@ tasks:
       - task: "checksum:validate"
         vars:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.SOURCE_DIR}}"
+          INCLUDE_PATTERNS: ["{{.SOURCE_DIR}}"]
     cmds:
       - >-
         pushd "{{.SOURCE_DIR}}";
@@ -55,8 +53,7 @@ tasks:
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.SOURCE_DIR}}"
+          INCLUDE_PATTERNS: ["{{.SOURCE_DIR}}"]
 
   # Runs Boost's b2 build and install step.
   # Fails if the caller has not successfully called `generate` on `SOURCE_DIR`.
@@ -97,8 +94,7 @@ tasks:
         - "BUILD_DIR"
         - "INSTALL_PREFIX"
         - "SOURCE_DIR"
-    sources:
-      - "{{.TASKFILE}}"
+    sources: ["{{.TASKFILE}}"]
     generates:
       - "{{.BUILD_CHECKSUM_FILE}}"
       - "{{.INSTALL_CHECKSUM_FILE}}"
@@ -108,18 +104,15 @@ tasks:
       - task: "checksum:validate"
         vars:
           CHECKSUM_FILE: "{{.BUILD_CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.BUILD_DIR}}"
+          INCLUDE_PATTERNS: ["{{.BUILD_DIR}}"]
       - task: "checksum:validate"
         vars:
           CHECKSUM_FILE: "{{.INSTALL_CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.INSTALL_PREFIX}}"
+          INCLUDE_PATTERNS: ["{{.INSTALL_PREFIX}}"]
       - task: "checksum:validate"
         vars:
           CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.SOURCE_DIR}}"
+          INCLUDE_PATTERNS: ["{{.SOURCE_DIR}}"]
           FAIL: "true"
     cmds:
       - >-
@@ -138,18 +131,15 @@ tasks:
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.BUILD_CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.BUILD_DIR}}"
+          INCLUDE_PATTERNS: ["{{.BUILD_DIR}}"]
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.INSTALL_CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.INSTALL_PREFIX}}"
+          INCLUDE_PATTERNS: ["{{.INSTALL_PREFIX}}"]
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS:
-            - "{{.SOURCE_DIR}}"
+          INCLUDE_PATTERNS: ["{{.SOURCE_DIR}}"]
 
   # Downloads Boost from `URL` and then generates, builds, and installs Boost inside `WORK_DIR`. If
   # `CMAKE_SETTINGS_DIR` is set, a settings file will be created in that directory, containing a

From 5572a89c57a0983e6b0ebe0adba24d42936788d2 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sat, 23 Aug 2025 01:19:57 -0400
Subject: [PATCH 05/66] Fix yaml lint.

---
 taskfiles/checksum/tests.yaml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 542d701..ebe3245 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -44,7 +44,6 @@ tasks:
             exit 1
         fi
 
-
   checksum-test-skip:
     vars:
       OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"

From c8d706c7c95bb1ad50c9dfd21c03f48b05629223 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sat, 23 Aug 2025 01:20:13 -0400
Subject: [PATCH 06/66] Fix boost 1.89 header change.

---
 taskfiles/boost/test_boost.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/taskfiles/boost/test_boost.cpp b/taskfiles/boost/test_boost.cpp
index 61d9007..7f9cf9f 100644
--- a/taskfiles/boost/test_boost.cpp
+++ b/taskfiles/boost/test_boost.cpp
@@ -11,7 +11,7 @@
 #include <boost/filesystem.hpp>
 #include <boost/iostreams/device/back_inserter.hpp>
 #include <boost/iostreams/filtering_stream.hpp>
-#include <boost/process/v2.hpp>
+#include <boost/process/v2/process.hpp>
 #include <boost/process/v2/stdio.hpp>
 #include <boost/program_options.hpp>
 #include <boost/regex.hpp>

From aca9e63182143192e9d1f198b0653ed3de493bc2 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 10:22:11 -0400
Subject: [PATCH 07/66] Try diff?

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index ebe3245..fcef9a0 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -39,7 +39,7 @@ tasks:
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
       - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+        if diff -q "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
             echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
             exit 1
         fi
@@ -110,7 +110,7 @@ tasks:
       - "diff <(cat '{{.FILE_0}}') <(cat '{{.CHECKSUM_FILE_REF0}}')"
       - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
       - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
+        if diff -q "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
             echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF0}}' should differ."
             exit 1
         fi

From aef078666bc4cf88e15d5af68fb0ec9dd772c95e Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 10:48:25 -0400
Subject: [PATCH 08/66] Full switch to cmp.

---
 taskfiles/checksum/tests.yaml | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index fcef9a0..a58eb78 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -39,9 +39,9 @@ tasks:
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
       - |-
-        if diff -q "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-            echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
-            exit 1
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+          echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
+          exit 1
         fi
 
   checksum-test-skip:
@@ -70,7 +70,7 @@ tasks:
       # Test create-dir-with-checksum didn't run the second time.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "diff '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
+      - "cmp --silent '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
 
   checksum-test-update:
     vars:
@@ -107,12 +107,12 @@ tasks:
       # Test create-dir-with-checksum didn't run the second time.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "diff <(cat '{{.FILE_0}}') <(cat '{{.CHECKSUM_FILE_REF0}}')"
-      - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+      - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
+      - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
       - |-
-        if diff -q "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
-            echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF0}}' should differ."
-            exit 1
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
+          echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF0}}' should differ."
+          exit 1
         fi
 
   checksum-test-init:

From b0ea5bc48263528ebadd3df63da8a27e130b8427 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 10:48:39 -0400
Subject: [PATCH 09/66] Debug logs.

---
 .github/workflows/unit-tests.yaml | 2 +-
 taskfiles/checksum/tests.yaml     | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index cce541c..a74b510 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -39,4 +39,4 @@ jobs:
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
       - name: "Run unit tests"
-        run: "task test"
+        run: "task test -v"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index a58eb78..28a01be 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -22,6 +22,8 @@ tasks:
       FILE_0: "{{.SRC_DIR}}/0.txt"
       FILE_1: "{{.SRC_DIR}}/1.txt"
     cmds:
+      - defer: |-
+          echo "[debug] rerun {{.EXIT_CODE}}"
       - task: "checksum-test-init"
         vars:
           OUTPUT_DIR: "{{.OUTPUT_DIR}}"

From 3d661082b6e70c64b988c911e6b289c91544a0ea Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 10:58:29 -0400
Subject: [PATCH 10/66] Resolve some rabbit coments.

---
 exports/taskfiles/utils/boost.yaml | 6 +++---
 taskfiles/boost/test_boost.cpp     | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/exports/taskfiles/utils/boost.yaml b/exports/taskfiles/utils/boost.yaml
index 65e03d0..0569eec 100644
--- a/exports/taskfiles/utils/boost.yaml
+++ b/exports/taskfiles/utils/boost.yaml
@@ -141,8 +141,8 @@ tasks:
           CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
           INCLUDE_PATTERNS: ["{{.SOURCE_DIR}}"]
 
-  # Downloads Boost from `URL` and then generates, builds, and installs Boost inside `WORK_DIR`. If
-  # `CMAKE_SETTINGS_DIR` is set, a settings file will be created in that directory, containing a
+  # Downloads Boost from `TAR_URL` and then generates, builds, and installs Boost inside `WORK_DIR`.
+  # If `CMAKE_SETTINGS_DIR` is set, a settings file will be created in that directory, containing a
   # `Boost_ROOT` CMake variable that points to `INSTALL_PREFIX`.
   #
   # General parameters
@@ -162,7 +162,7 @@ tasks:
   # @param {string[]} [TARGETS] Target libraries to build.
   download-and-install:
     internal: true
-    label: "{{.TASK}}:{{.URL}}-{{.WORK_DIR}}"
+    label: "{{.TASK}}:{{.TAR_URL}}-{{.WORK_DIR}}"
     vars:
       # Directory parameters
       BUILD_DIR: "{{.WORK_DIR}}/boost-build"
diff --git a/taskfiles/boost/test_boost.cpp b/taskfiles/boost/test_boost.cpp
index 7f9cf9f..6f0137a 100644
--- a/taskfiles/boost/test_boost.cpp
+++ b/taskfiles/boost/test_boost.cpp
@@ -103,7 +103,7 @@ auto test_process() -> bool {
                 io_context,
                 boost::dll::program_location(),
                 {"--help"},
-                boost::process::process_stdio{.in{}, .out{nullptr}, .err{nullptr}}
+                boost::process::v2::process_stdio{.in{}, .out{nullptr}, .err{nullptr}}
         };
         std::future<int> result = process.async_wait(boost::asio::use_future);
         io_context.run();

From 6af0c396175f3ef3de66ba30c681ec901e195d8b Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 11:07:59 -0400
Subject: [PATCH 11/66] debugging CI

---
 .github/workflows/unit-tests.yaml | 2 +-
 taskfiles/checksum/tests.yaml     | 4 +++-
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index a74b510..cce541c 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -39,4 +39,4 @@ jobs:
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
       - name: "Run unit tests"
-        run: "task test -v"
+        run: "task test"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 28a01be..c8ffae4 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -43,8 +43,10 @@ tasks:
       - |-
         if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
-          exit 1
+        else
+          echo "[debug] cmp failed successfully."
         fi
+      - "echo '[debug] rerun finished.'"
 
   checksum-test-skip:
     vars:

From ea102c7577902fbc1db2a139c96ea428ef4a0eb9 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 11:14:11 -0400
Subject: [PATCH 12/66] Resolve more rabbit coments.

---
 exports/taskfiles/utils/boost.yaml | 7 -------
 taskfiles/checksum/tests.yaml      | 2 +-
 2 files changed, 1 insertion(+), 8 deletions(-)

diff --git a/exports/taskfiles/utils/boost.yaml b/exports/taskfiles/utils/boost.yaml
index 0569eec..283fbbb 100644
--- a/exports/taskfiles/utils/boost.yaml
+++ b/exports/taskfiles/utils/boost.yaml
@@ -168,10 +168,6 @@ tasks:
       BUILD_DIR: "{{.WORK_DIR}}/boost-build"
       INSTALL_PREFIX: "{{.WORK_DIR}}/boost-install"
       SOURCE_DIR: "{{.WORK_DIR}}/boost-src"
-
-      # Checksum parameters
-      BUILD_AND_INSTALL_CHECKSUM_FILE: "{{.WORK_DIR}}/boost-build-install.md5"
-      SOURCE_CHECKSUM_FILE: "{{.SOURCE_DIR}}.md5"
     requires:
       vars:
         - "TAR_SHA256"
@@ -186,7 +182,6 @@ tasks:
     cmds:
       - task: "generate"
         vars:
-          CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           INSTALL_PREFIX: "{{.INSTALL_PREFIX}}"
           SOURCE_DIR: "{{.SOURCE_DIR}}"
           TARGETS:
@@ -195,10 +190,8 @@ tasks:
             ref: ".GENERATE_ARGS"
       - task: "build-and-install"
         vars:
-          BUILD_AND_INSTALL_CHECKSUM_FILE: "{{.BUILD_AND_INSTALL_CHECKSUM_FILE}}"
           BUILD_DIR: "{{.BUILD_DIR}}"
           INSTALL_PREFIX: "{{.INSTALL_PREFIX}}"
-          SOURCE_CHECKSUM_FILE: "{{.SOURCE_CHECKSUM_FILE}}"
           SOURCE_DIR: "{{.SOURCE_DIR}}"
           EXTRA_ARGS:
             ref: ".BUILD_AND_INSTALL_ARGS"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index c8ffae4..dd033da 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -124,7 +124,7 @@ tasks:
     requires:
       vars: ["OUTPUT_DIR"]
     cmds:
-      - "rm -rf {{.OUTPUT_DIR}}*"
+      - "rm -rf '{{.OUTPUT_DIR}}'"
       - "mkdir -p '{{.OUTPUT_DIR}}'"
 
   create-dir-with-checksum:

From 7c9701d568efc804dde33c6fe9b35ac4ecd36930 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 11:47:24 -0400
Subject: [PATCH 13/66] Switch to oneliner.

---
 taskfiles/checksum/tests.yaml | 16 ++--------------
 1 file changed, 2 insertions(+), 14 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index dd033da..838e0f0 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -22,8 +22,6 @@ tasks:
       FILE_0: "{{.SRC_DIR}}/0.txt"
       FILE_1: "{{.SRC_DIR}}/1.txt"
     cmds:
-      - defer: |-
-          echo "[debug] rerun {{.EXIT_CODE}}"
       - task: "checksum-test-init"
         vars:
           OUTPUT_DIR: "{{.OUTPUT_DIR}}"
@@ -40,13 +38,7 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-          echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
-        else
-          echo "[debug] cmp failed successfully."
-        fi
-      - "echo '[debug] rerun finished.'"
+      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
   checksum-test-skip:
     vars:
@@ -113,11 +105,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
-          echo "'{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF0}}' should differ."
-          exit 1
-        fi
+      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From a6f792228bc4502e9ef0da69e8022710da68e27d Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 11:54:46 -0400
Subject: [PATCH 14/66] Make TARGETS required.

---
 exports/taskfiles/utils/boost.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/exports/taskfiles/utils/boost.yaml b/exports/taskfiles/utils/boost.yaml
index 283fbbb..fc100cf 100644
--- a/exports/taskfiles/utils/boost.yaml
+++ b/exports/taskfiles/utils/boost.yaml
@@ -153,13 +153,13 @@ tasks:
   # file should be stored.
   #
   # Boost parameters
+  # @param {string[]} TARGETS Target libraries to build.
   # @param {string[]} [BUILD_AND_INSTALL_ARGS] Any additional arguments to pass to boost's build and
   # install command.
   # @param {string[]} [GENERATE_ARGS] Any additional arguments to pass to the generate command.
   # @param {int} [JOBS] The maximum number of concurrent processes to use when building. If
   # omitted, the b2 default number is used. Before 1.76.0, the number was 1. Since 1.76.0, the
   # default is the number of cores.
-  # @param {string[]} [TARGETS] Target libraries to build.
   download-and-install:
     internal: true
     label: "{{.TASK}}:{{.TAR_URL}}-{{.WORK_DIR}}"
@@ -172,6 +172,7 @@ tasks:
       vars:
         - "TAR_SHA256"
         - "TAR_URL"
+        - "TARGETS"
         - "WORK_DIR"
     deps:
       - task: "remote:download-and-extract-tar"

From 9e3b9816e134679fddf52dfc5aba5c3193eeec07 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 11:56:23 -0400
Subject: [PATCH 15/66] who knows

---
 .github/workflows/unit-tests.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index cce541c..aabe8fa 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -39,4 +39,4 @@ jobs:
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
       - name: "Run unit tests"
-        run: "task test"
+        run: "task test --concurrency 1 --verbose"

From 67403973103a146415f9d0d4995b963d1d259855 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 12:09:45 -0400
Subject: [PATCH 16/66] shell shock

---
 taskfiles/checksum/tests.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 838e0f0..3dc3f41 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -105,7 +105,8 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - "! cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From b7849d94e00a0f397668a7cdb6e96dce7b8378eb Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 12:16:02 -0400
Subject: [PATCH 17/66] Verbose testing.

---
 taskfiles/checksum/tests.yaml | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 3dc3f41..ef6d850 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,8 +38,22 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
+
+      - defer: |-
+          echo "[debug] rerun {{.EXIT_CODE}}"
+      - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - |-
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+          echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
+          exit 1
+        else
+          echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' match."
+        fi
+      - "[debug] rerun finished."
+
       - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
+
   checksum-test-skip:
     vars:
       OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"
@@ -105,8 +119,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
-      - "! cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From 3d82d191817f1fe8fe1ab1e7ee62d9266b7b82cc Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 12:24:39 -0400
Subject: [PATCH 18/66] Fix logs.

---
 .github/workflows/unit-tests.yaml | 2 +-
 taskfiles/checksum/tests.yaml     | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index aabe8fa..745a530 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -39,4 +39,4 @@ jobs:
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
       - name: "Run unit tests"
-        run: "task test --concurrency 1 --verbose"
+        run: "task test --verbose"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index ef6d850..5ae79b0 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,16 +40,16 @@ tasks:
       - "test -e '{{.FILE_1}}'"
 
       - defer: |-
-          echo "[debug] rerun {{.EXIT_CODE}}"
+          echo "[debug] rerun exit code: {{.EXIT_CODE}}"
       - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
       - |-
         if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
           exit 1
         else
-          echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' match."
+          echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' differ!!"
         fi
-      - "[debug] rerun finished."
+      - "echo '[debug] rerun finished.'"
 
       - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 

From 6930c6f8d33896ac58f5de134c108a80b2bf5292 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 12:54:50 -0400
Subject: [PATCH 19/66] npm maybe

---
 .github/workflows/unit-tests.yaml | 5 +++--
 taskfiles/checksum/tests.yaml     | 1 -
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index 745a530..ec80d3e 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -32,11 +32,12 @@ jobs:
 
       - name: "Install task"
         shell: "bash"
-        run: "npm install -g @go-task/cli"
+        # run: "npm install -g @go-task/cli"
+        run:  "sh -c '$(curl --location https://taskfile.dev/install.sh)' -- -d"
 
       - name: "Install uv"
         shell: "bash"
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
       - name: "Run unit tests"
-        run: "task test --verbose"
+        run: "task test"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 5ae79b0..a87fd8b 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -53,7 +53,6 @@ tasks:
 
       - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
-
   checksum-test-skip:
     vars:
       OUTPUT_DIR: "{{.G_OUTPUT_DIR}}/{{.TASK | replace \":\" \"#\"}}"

From a3fedaa84194ca1e56425ff85a920060bc5d905d Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 12:56:43 -0400
Subject: [PATCH 20/66] sigh task scripts

---
 .github/workflows/unit-tests.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index ec80d3e..0264318 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -33,7 +33,7 @@ jobs:
       - name: "Install task"
         shell: "bash"
         # run: "npm install -g @go-task/cli"
-        run:  "sh -c '$(curl --location https://taskfile.dev/install.sh)' -- -d"
+        run: "curl --fail --location --silent --show-error https://taskfile.dev/install.sh | sh -- d"
 
       - name: "Install uv"
         shell: "bash"

From 51c0ee8eb5def1b64bfdfdf9200672c9cb10b0ff Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 12:57:42 -0400
Subject: [PATCH 21/66] typo

---
 .github/workflows/unit-tests.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index 0264318..f2252a4 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -33,7 +33,7 @@ jobs:
       - name: "Install task"
         shell: "bash"
         # run: "npm install -g @go-task/cli"
-        run: "curl --fail --location --silent --show-error https://taskfile.dev/install.sh | sh -- d"
+        run: "curl --fail --location --silent --show-error https://taskfile.dev/install.sh | sh -- -d"
 
       - name: "Install uv"
         shell: "bash"

From 77d6fea41209bf1c1e25fd10eed6e58148fef567 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 13:14:29 -0400
Subject: [PATCH 22/66] syntax hard

---
 .github/workflows/unit-tests.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index f2252a4..843b889 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -33,7 +33,8 @@ jobs:
       - name: "Install task"
         shell: "bash"
         # run: "npm install -g @go-task/cli"
-        run: "curl --fail --location --silent --show-error https://taskfile.dev/install.sh | sh -- -d"
+        run: >-
+          curl --fail --location --silent --show-error https://taskfile.dev/install.sh | sh -s -- -d
 
       - name: "Install uv"
         shell: "bash"

From 955d6bdfbe8bb60023caee8e9ec91f795ce15ddc Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 13:16:45 -0400
Subject: [PATCH 23/66] not on path

---
 .github/workflows/unit-tests.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index 843b889..2dd8506 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -34,7 +34,8 @@ jobs:
         shell: "bash"
         # run: "npm install -g @go-task/cli"
         run: >-
-          curl --fail --location --silent --show-error https://taskfile.dev/install.sh | sh -s -- -d
+          curl --fail --location --silent --show-error https://taskfile.dev/install.sh
+          | sh -s -- -d -b /usr/local/bin
 
       - name: "Install uv"
         shell: "bash"

From df4f9cb58f680d123d8cdac0541cb5480eb6f3f5 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 13:22:38 -0400
Subject: [PATCH 24/66] sigh

---
 .github/workflows/unit-tests.yaml |  5 +----
 taskfiles/checksum/tests.yaml     | 17 ++---------------
 2 files changed, 3 insertions(+), 19 deletions(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index 2dd8506..cce541c 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -32,10 +32,7 @@ jobs:
 
       - name: "Install task"
         shell: "bash"
-        # run: "npm install -g @go-task/cli"
-        run: >-
-          curl --fail --location --silent --show-error https://taskfile.dev/install.sh
-          | sh -s -- -d -b /usr/local/bin
+        run: "npm install -g @go-task/cli"
 
       - name: "Install uv"
         shell: "bash"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index a87fd8b..b64c517 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,20 +38,7 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-
-      - defer: |-
-          echo "[debug] rerun exit code: {{.EXIT_CODE}}"
-      - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
-      - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-          echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' should differ."
-          exit 1
-        else
-          echo "[debug] '{{.CHECKSUM_FILE}}' and '{{.CHECKSUM_FILE_REF}}' differ!!"
-        fi
-      - "echo '[debug] rerun finished.'"
-
-      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
 
   checksum-test-skip:
     vars:
@@ -118,7 +105,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}' && true"
 
   checksum-test-init:
     internal: true

From 319771db7d147162ec1c8f5249c6b86798ed07f9 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 13:30:03 -0400
Subject: [PATCH 25/66] what is the magic syntax

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index b64c517..4488b04 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,7 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
+      - "(! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')"
 
   checksum-test-skip:
     vars:
@@ -105,7 +105,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}' && true"
+      - "(! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}')"
 
   checksum-test-init:
     internal: true

From c745ba80cf4ded2889c0ea8fb259bab91e5ad392 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 13:45:50 -0400
Subject: [PATCH 26/66] meh

---
 taskfiles/checksum/tests.yaml | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 4488b04..71f788e 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,9 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "(! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')"
+      - |-
+        cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
+        test $? -eq 1
 
   checksum-test-skip:
     vars:
@@ -105,7 +107,9 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "(! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}')"
+      - |-
+        cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
+        test $? -eq 1
 
   checksum-test-init:
     internal: true

From 8959121876e0b4b5dd7e44761770c3c81ae084d9 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 14:26:21 -0400
Subject: [PATCH 27/66] maybe

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 71f788e..c893c3d 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,7 +40,7 @@ tasks:
       - "test -e '{{.FILE_1}}'"
       - |-
         cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
-        test $? -eq 1
+        test $? -eq 1 && exit 0 || exit 1
 
   checksum-test-skip:
     vars:
@@ -109,7 +109,7 @@ tasks:
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
       - |-
         cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
-        test $? -eq 1
+        test $? -eq 1 && exit 0 || exit 1
 
   checksum-test-init:
     internal: true

From 040b694345383ef273632e98bdfe437cc0d135c0 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 14:30:00 -0400
Subject: [PATCH 28/66] if else for macos

---
 taskfiles/checksum/tests.yaml | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index c893c3d..cc6109c 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -39,8 +39,11 @@ tasks:
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
       - |-
-        cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
-        test $? -eq 1 && exit 0 || exit 1
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+          exit 1
+        else
+          exit 0
+        fi
 
   checksum-test-skip:
     vars:
@@ -108,8 +111,11 @@ tasks:
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
       - |-
-        cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
-        test $? -eq 1 && exit 0 || exit 1
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
+          exit 1
+        else
+          exit 0
+        fi
 
   checksum-test-init:
     internal: true

From 2240fd4112d18642353c3d85e271aeb51149c1d5 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 14:38:13 -0400
Subject: [PATCH 29/66] just call bash idk

---
 taskfiles/checksum/tests.yaml | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index cc6109c..1ceda1f 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,12 +38,8 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-          exit 1
-        else
-          exit 0
-        fi
+      - >-
+        bash -c "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
   checksum-test-skip:
     vars:
@@ -110,12 +106,8 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"; then
-          exit 1
-        else
-          exit 0
-        fi
+      - >-
+        bash -c "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From 4bc71648b3061f803e1565fd5303fff1e000dcc6 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 18:03:42 -0400
Subject: [PATCH 30/66] no silent??

---
 taskfiles/checksum/tests.yaml | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 1ceda1f..54acbee 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,8 +38,9 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - >-
-        bash -c "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - |-
+        cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
+        test $? -eq 1
 
   checksum-test-skip:
     vars:
@@ -106,8 +107,9 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - >-
-        bash -c "! cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - |-
+        cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
+        test $? -eq 1
 
   checksum-test-init:
     internal: true

From 4fdc23e5cea6f6e715203e860575ed9e1caa2f6f Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 18:09:31 -0400
Subject: [PATCH 31/66] losing track

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 54acbee..39df192 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,7 +40,7 @@ tasks:
       - "test -e '{{.FILE_1}}'"
       - |-
         cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
-        test $? -eq 1
+        test $? -eq 1 && exit 0 || exit 1
 
   checksum-test-skip:
     vars:
@@ -109,7 +109,7 @@ tasks:
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
       - |-
         cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
-        test $? -eq 1
+        test $? -eq 1 && exit 0 || exit 1
 
   checksum-test-init:
     internal: true

From 23dd1e9da3b222521c82aa8a50e7885d4a9faffd Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 22:01:01 -0400
Subject: [PATCH 32/66] help

---
 taskfiles/checksum/tests.yaml | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 39df192..95b6999 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,9 +38,16 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
+      - defer: |-
+          echo "[debug] rerun {{.EXIT_CODE}}"
       - |-
         cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
-        test $? -eq 1 && exit 0 || exit 1
+        echo "sigh $?"
+        if cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+          return 0
+        else
+          return 1
+        fi
 
   checksum-test-skip:
     vars:

From 4997cf2bce3ed026040fe1cf2eec105e35279fab Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 22:10:19 -0400
Subject: [PATCH 33/66] full if statement

---
 taskfiles/checksum/tests.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 95b6999..6ad3ee1 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,12 +40,13 @@ tasks:
       - "test -e '{{.FILE_1}}'"
       - defer: |-
           echo "[debug] rerun {{.EXIT_CODE}}"
+      - "cmp --help"
       - |-
-        cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
-        echo "sigh $?"
         if cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+          echo "true $?"
           return 0
         else
+          echo "false $?"
           return 1
         fi
 

From 05b2d684d2c0b9ec3f7636cae363797ef5674cea Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 22:21:28 -0400
Subject: [PATCH 34/66] dump shell options

---
 taskfiles/checksum/tests.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 6ad3ee1..6ceeb94 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -41,13 +41,14 @@ tasks:
       - defer: |-
           echo "[debug] rerun {{.EXIT_CODE}}"
       - "cmp --help"
+      - printf %s\\n "$-"
       - |-
         if cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           echo "true $?"
-          return 0
+          exit 0
         else
           echo "false $?"
-          return 1
+          exit 1
         fi
 
   checksum-test-skip:

From 8d655c2db5e9727b390a5c4e16e446ae37d8dabc Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 22:31:35 -0400
Subject: [PATCH 35/66] hmm unbound

---
 taskfiles/checksum/tests.yaml | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 6ceeb94..89e8902 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -41,7 +41,10 @@ tasks:
       - defer: |-
           echo "[debug] rerun {{.EXIT_CODE}}"
       - "cmp --help"
-      - printf %s\\n "$-"
+      - "shopt -o"
+      - "shopt -po"
+      - "shopt -p"
+      - "set -o"
       - |-
         if cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           echo "true $?"

From be5d2312a8806a3ca660363b71f6def2f5eb2d57 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 22:37:55 -0400
Subject: [PATCH 36/66] go panic

---
 taskfiles/checksum/tests.yaml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 89e8902..a3f1083 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -43,7 +43,6 @@ tasks:
       - "cmp --help"
       - "shopt -o"
       - "shopt -po"
-      - "shopt -p"
       - "set -o"
       - |-
         if cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then

From a6297c9849810836095afab06d50ed0efcfd235a Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 22:53:01 -0400
Subject: [PATCH 37/66] weird shell

---
 taskfiles/checksum/tests.yaml | 14 ++++----------
 1 file changed, 4 insertions(+), 10 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index a3f1083..b5735cd 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -42,16 +42,12 @@ tasks:
           echo "[debug] rerun {{.EXIT_CODE}}"
       - "cmp --help"
       - "shopt -o"
-      - "shopt -po"
-      - "set -o"
       - |-
-        if cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-          echo "true $?"
-          exit 0
-        else
-          echo "false $?"
+        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
+          echo "checksums shouldn't match"
           exit 1
         fi
+        echo $?
 
   checksum-test-skip:
     vars:
@@ -118,9 +114,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - |-
-        cmp "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
-        test $? -eq 1 && exit 0 || exit 1
+      - "! cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From 0144e8488e8c18888ad7393e61a8cea4af7e5d61 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:06:04 -0400
Subject: [PATCH 38/66] error swallowing hmm

---
 taskfiles/checksum/tests.yaml | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index b5735cd..9bb44b3 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,13 +38,9 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - defer: |-
-          echo "[debug] rerun {{.EXIT_CODE}}"
-      - "cmp --help"
       - "shopt -o"
       - |-
-        if cmp --silent "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-          echo "checksums shouldn't match"
+        if cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           exit 1
         fi
         echo $?
@@ -75,7 +71,7 @@ tasks:
       # Test create-dir-with-checksum didn't run the second time.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "cmp --silent '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
+      - "cmp -s '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
 
   checksum-test-update:
     vars:
@@ -112,9 +108,9 @@ tasks:
       # Test create-dir-with-checksum didn't run the second time.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "cmp --silent  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
-      - "cmp --silent '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - "cmp -s  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
+      - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From 361f89154b40ade4f8c340abe96cd52fa4324e06 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:16:15 -0400
Subject: [PATCH 39/66] free me

---
 taskfiles/checksum/tests.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 9bb44b3..6c4486e 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,10 +40,12 @@ tasks:
       - "test -e '{{.FILE_1}}'"
       - "shopt -o"
       - |-
+        shopt -u errexit
         if cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           exit 1
         fi
         echo $?
+      - "cmp -h"
 
   checksum-test-skip:
     vars:

From da843e9a38f1894e3cb6a2ac9590563557b8f64f Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:23:02 -0400
Subject: [PATCH 40/66] forgive me

---
 taskfiles/checksum/tests.yaml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 6c4486e..ed0215f 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,14 +38,14 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "shopt -o"
       - |-
-        shopt -u errexit
+        set -o
+        set +e
+        set -o
         if cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
           exit 1
         fi
         echo $?
-      - "cmp -h"
 
   checksum-test-skip:
     vars:

From 129218493626b030e260f0aba6fb4aa5637647a4 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:33:19 -0400
Subject: [PATCH 41/66] maybe the end

---
 taskfiles/checksum/tests.yaml | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index ed0215f..8b3a731 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -39,13 +39,8 @@ tasks:
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
       - |-
-        set -o
         set +e
-        set -o
-        if cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"; then
-          exit 1
-        fi
-        echo $?
+        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
 
   checksum-test-skip:
     vars:
@@ -112,7 +107,9 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp -s  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - |-
+        set +e
+        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
 
   checksum-test-init:
     internal: true

From cf02bb6072f9fc02c82322adb406cbc88c598bd9 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:37:51 -0400
Subject: [PATCH 42/66] maybe the end

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 8b3a731..c9a6925 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,7 +40,7 @@ tasks:
       - "test -e '{{.FILE_1}}'"
       - |-
         set +e
-        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}"
+        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}" && true
 
   checksum-test-skip:
     vars:
@@ -109,7 +109,7 @@ tasks:
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
       - |-
         set +e
-        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}"
+        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}" && true
 
   checksum-test-init:
     internal: true

From 8a72950521247bba67e767005e167c75f069ff27 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:44:08 -0400
Subject: [PATCH 43/66] clpain

---
 taskfiles/checksum/tests.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index c9a6925..cec5a42 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -40,7 +40,9 @@ tasks:
       - "test -e '{{.FILE_1}}'"
       - |-
         set +e
-        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}" && true
+        ! cmp -l "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}" && true
+      - |-
+        ! cmp -l "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}" && true
 
   checksum-test-skip:
     vars:

From 2bb4119d1cce9138ad0f9209389e5ad18e66d8e3 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Sun, 24 Aug 2025 23:56:47 -0400
Subject: [PATCH 44/66] hardswap diff?

---
 taskfiles/checksum/tests.yaml | 17 ++++++-----------
 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index cec5a42..b3b88a1 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,11 +38,8 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - |-
-        set +e
-        ! cmp -l "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}" && true
-      - |-
-        ! cmp -l "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF}}" && true
+      # - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' > /dev/null"
+      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
   checksum-test-skip:
     vars:
@@ -70,7 +67,7 @@ tasks:
       # Test create-dir-with-checksum didn't run the second time.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "cmp -s '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
+      - "diff -q '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
 
   checksum-test-update:
     vars:
@@ -107,11 +104,9 @@ tasks:
       # Test create-dir-with-checksum didn't run the second time.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "cmp -s  '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
-      - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - |-
-        set +e
-        ! cmp -s "{{.CHECKSUM_FILE}}" "{{.CHECKSUM_FILE_REF0}}" && true
+      - "diff -q '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
+      - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
   checksum-test-init:
     internal: true

From 96f7cfe75486f1def4ecaf9d8753e4f13d579f0b Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 00:03:54 -0400
Subject: [PATCH 45/66] cipain

---
 taskfiles/checksum/tests.yaml | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index b3b88a1..e07e6f3 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,8 +38,7 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      # - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' > /dev/null"
-      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - "! (diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')"
 
   checksum-test-skip:
     vars:
@@ -106,7 +105,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "diff -q '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
 
   checksum-test-init:
     internal: true

From 42f74957d8a326fa278ec3ec49a5d9ea94104657 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 00:14:53 -0400
Subject: [PATCH 46/66] same diff

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index e07e6f3..e4a5796 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,7 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "! (diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')"
+      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
 
   checksum-test-skip:
     vars:
@@ -105,7 +105,7 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "diff -q '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'"
+      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}' && true"
 
   checksum-test-init:
     internal: true

From 1a2c692227228903fdf2be6bc591f98624618e8b Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 00:47:31 -0400
Subject: [PATCH 47/66] not posix?

---
 taskfiles/checksum/tests.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index e4a5796..e8c3111 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,9 @@ tasks:
       # Test create-dir-with-checksum ran the second time.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
+      - "echo $SHELL"
+      - "echo $(diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')"
+      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; echo $?"
 
   checksum-test-skip:
     vars:

From d86541d3f4ea871d3de8307f804380c4d98e2746 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 01:17:32 -0400
Subject: [PATCH 48/66] so lost

---
 taskfiles/checksum/tests.yaml | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index e8c3111..5f62eb0 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -35,12 +35,12 @@ tasks:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           FILE_PATH: "{{.FILE_1}}"
 
-      # Test create-dir-with-checksum ran the second time.
+      # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "echo $SHELL"
-      - "echo $(diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')"
-      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; echo $?"
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; echo $?"
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
 
   checksum-test-skip:
     vars:
@@ -65,10 +65,10 @@ tasks:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           FILE_PATH: "{{.FILE_1}}"
 
-      # Test create-dir-with-checksum didn't run the second time.
+      # Test create-dir-with-checksum didn't run the second time and the checksum is unmodified.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "diff -q '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
+      - "cmp -s '{{.CHECKSUM_MOD_TS}}' <(date -r '{{.CHECKSUM_FILE}}')"
 
   checksum-test-update:
     vars:
@@ -102,12 +102,13 @@ tasks:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
           FILE_PATH: "{{.FILE_1}}"
 
-      # Test create-dir-with-checksum didn't run the second time.
+      # Test create-dir-with-checksum didn't run the second time and the updated checksum is
+      # different from the original.
       - "test -e '{{.FILE_0}}'"
       - "test ! -e '{{.FILE_1}}'"
-      - "diff -q '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
-      - "diff -q '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! diff '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}' && true"
+      - "cmp -s '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
+      - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+      - "set -o pipefail; ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}' && true"
 
   checksum-test-init:
     internal: true

From b03226cdf4e45ad6f7bd3bcbaadb5f9e43a372d5 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 01:26:41 -0400
Subject: [PATCH 49/66] try without pipefail

---
 taskfile.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/taskfile.yaml b/taskfile.yaml
index 4cf9fbf..64c7948 100644
--- a/taskfile.yaml
+++ b/taskfile.yaml
@@ -4,7 +4,7 @@ includes:
   lint: "./taskfiles/lint/main.yaml"
   tests: "./taskfiles/tests.yaml"
 
-set: ["u", "pipefail"]
+set: ["u"]
 shopt: ["globstar"]
 
 vars:

From 058b86775182c8768b47ec0e05f1620f28aa1c76 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 01:31:38 -0400
Subject: [PATCH 50/66] try again

---
 taskfiles/checksum/tests.yaml | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 5f62eb0..caa6f42 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,9 +38,8 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
       - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; echo $?"
-      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - "(! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}') && exit $?"
 
   checksum-test-skip:
     vars:
@@ -108,7 +107,8 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp -s '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "set -o pipefail; ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}' && true"
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; echo $?"
+      - "(! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}') && exit $?"
 
   checksum-test-init:
     internal: true

From 74a07baad185a2f14eadda3fb01b4d5389d973b2 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:02:40 -0400
Subject: [PATCH 51/66] no !

---
 taskfile.yaml                 |  2 +-
 taskfiles/checksum/tests.yaml | 16 +++++++++++++---
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/taskfile.yaml b/taskfile.yaml
index 64c7948..4cf9fbf 100644
--- a/taskfile.yaml
+++ b/taskfile.yaml
@@ -4,7 +4,7 @@ includes:
   lint: "./taskfiles/lint/main.yaml"
   tests: "./taskfiles/tests.yaml"
 
-set: ["u"]
+set: ["u", "pipefail"]
 shopt: ["globstar"]
 
 vars:
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index caa6f42..39e4823 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -39,7 +39,12 @@ tasks:
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
       - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; echo $?"
-      - "(! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}') && exit $?"
+      - |-
+        if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
+          exit 0
+        else 
+          exit 1
+        fi
 
   checksum-test-skip:
     vars:
@@ -107,8 +112,13 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp -s '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; echo $?"
-      - "(! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}') && exit $?"
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; echo \"result: $?\""
+      - |-
+        if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
+          exit 0
+        else 
+          exit 1
+        fi
 
   checksum-test-init:
     internal: true

From bb1688b6c99b79fd492710b9c6acd1cd4ab190b0 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:12:23 -0400
Subject: [PATCH 52/66] dumb person does dumb things

---
 taskfiles/checksum/tests.yaml | 20 +++++++++++++++-----
 1 file changed, 15 insertions(+), 5 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 39e4823..f5df450 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,11 +38,16 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; echo $?"
       - |-
         if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
+          exit 1
+        else
+          exit 0
+        fi
+      - |-
+        if ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 0
-        else 
+        else
           exit 1
         fi
 
@@ -112,11 +117,16 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp -s '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; echo \"result: $?\""
       - |-
-        if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
+        if ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
+          exit 1
+        else
+          exit 0
+        fi
+      - |-
+        if ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
           exit 0
-        else 
+        else
           exit 1
         fi
 

From 6ddec14329828df91d367f302fc614b3d1e0ce82 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:29:50 -0400
Subject: [PATCH 53/66] dumb person does more dumb stuff

---
 taskfiles/checksum/tests.yaml | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index f5df450..b943ba4 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,6 +38,7 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
+      - "! false; echo \"sanity: $?\""
       - |-
         if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 1
@@ -117,8 +118,9 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp -s '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
+      - "! false; echo \"sanity: $?\""
       - |-
-        if ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
+        if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
           exit 1
         else
           exit 0

From 7d96c0a24d4a8062c317fd33548e917c990165b2 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:37:58 -0400
Subject: [PATCH 54/66] dumb person does even more dumb stuff

---
 taskfiles/checksum/tests.yaml | 8 ++++----
 taskfiles/tests.yaml          | 2 +-
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index b943ba4..c5fd2c7 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,15 +38,16 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "! false; echo \"sanity: $?\""
+      - "cmp -h"
+      - "echo \"$(cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')\""
       - |-
-        if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
+        if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 1
         else
           exit 0
         fi
       - |-
-        if ! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
+        if ! cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 0
         else
           exit 1
@@ -118,7 +119,6 @@ tasks:
       - "test ! -e '{{.FILE_1}}'"
       - "cmp -s '{{.FILE_0}}'  '{{.CHECKSUM_FILE_REF0}}'"
       - "cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF1}}'"
-      - "! false; echo \"sanity: $?\""
       - |-
         if cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF0}}'; then
           exit 1
diff --git a/taskfiles/tests.yaml b/taskfiles/tests.yaml
index 84626f9..3d2efaf 100644
--- a/taskfiles/tests.yaml
+++ b/taskfiles/tests.yaml
@@ -10,7 +10,7 @@ tasks:
   all:
     internal: true
     cmds:
-      - task: "boost"
+      # - task: "boost"
       - task: "checksum"
       - task: "remote"
       - task: "ystdlib-py"

From 5ef2d3191ff88dab39ca68630856ebfbba24a35b Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:41:10 -0400
Subject: [PATCH 55/66] one more

---
 taskfiles/checksum/tests.yaml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index c5fd2c7..1207408 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,6 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "cmp -h"
       - "echo \"$(cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')\""
       - |-
         if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then

From dc829f2463dfcddfc6f6014b3d843480f55328a4 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:45:28 -0400
Subject: [PATCH 56/66] bed time

---
 .github/workflows/unit-tests.yaml | 2 +-
 taskfiles/checksum/tests.yaml     | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index cce541c..aabe8fa 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -39,4 +39,4 @@ jobs:
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
       - name: "Run unit tests"
-        run: "task test"
+        run: "task test --concurrency 1 --verbose"
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 1207408..f89d7fc 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,8 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "echo \"$(cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')\""
+      - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - "echo \"$(cmp -b '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')\""
       - |-
         if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 1

From f1c73f230ebf54886d59f8e958d4c3cbd4438ac5 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:48:00 -0400
Subject: [PATCH 57/66] file dne?

---
 taskfiles/checksum/tests.yaml | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index f89d7fc..37bcbd1 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,7 +38,8 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "cat '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'"
+      - "cat '{{.CHECKSUM_FILE}}'"
+      - "cat '{{.CHECKSUM_FILE_REF}}'"
       - "echo \"$(cmp -b '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')\""
       - |-
         if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then

From 853afcffe338ce7786de780c8425dfcfde114c28 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:51:24 -0400
Subject: [PATCH 58/66] bad mistakes

---
 taskfiles/checksum/tests.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 37bcbd1..814109d 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -158,7 +158,7 @@ tasks:
       - |-
         rm -rf "{{.DIR}}"
         mkdir -p "{{.DIR}}"
-        touch "{{.FILE_PATH}}"
+        echo "{{.FILE_PATH}}" > "{{.FILE_PATH}}"
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"

From a9cf0000de6418b2eb53746e19d9b8cbc4351b02 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:52:53 -0400
Subject: [PATCH 59/66] macos rm??

---
 taskfiles/checksum/tests.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 814109d..b667ffe 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -156,9 +156,9 @@ tasks:
           INCLUDE_PATTERNS: ["{{.DIR}}"]
     cmds:
       - |-
-        rm -rf "{{.DIR}}"
+        rm -rf "{{.DIR}}/"
         mkdir -p "{{.DIR}}"
-        echo "{{.FILE_PATH}}" > "{{.FILE_PATH}}"
+        touch "{{.FILE_PATH}}"
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"

From 6a959ee8b5ecb91b2be2eb0155e045be48c3868a Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 02:54:30 -0400
Subject: [PATCH 60/66] need local macos runner

---
 exports/taskfiles/utils/checksum.yaml | 2 +-
 taskfiles/checksum/tests.yaml         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/exports/taskfiles/utils/checksum.yaml b/exports/taskfiles/utils/checksum.yaml
index 0641087..84adfdf 100644
--- a/exports/taskfiles/utils/checksum.yaml
+++ b/exports/taskfiles/utils/checksum.yaml
@@ -44,7 +44,7 @@ tasks:
         2> /dev/null
         | md5sum > {{.CHECKSUM_FILE}}
     # Ignore errors so that dependent tasks don't fail
-    ignore_error: true
+    # ignore_error: true
 
   # Validates the checksum of the given path include patterns matches the checksum in the given
   # file. If `FAIL` is set to "true" the task will fail, otherwise the checksum file is deleted.
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index b667ffe..37bcbd1 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -156,7 +156,7 @@ tasks:
           INCLUDE_PATTERNS: ["{{.DIR}}"]
     cmds:
       - |-
-        rm -rf "{{.DIR}}/"
+        rm -rf "{{.DIR}}"
         mkdir -p "{{.DIR}}"
         touch "{{.FILE_PATH}}"
       - task: "checksum:compute"

From 78abea7b5f974bb7ca930fdaaa4590ec63fa8c75 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 09:14:01 -0400
Subject: [PATCH 61/66] macos same checksum?

---
 exports/taskfiles/utils/checksum.yaml |  2 +-
 taskfiles/checksum/tests.yaml         | 13 +++++++++----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/exports/taskfiles/utils/checksum.yaml b/exports/taskfiles/utils/checksum.yaml
index 84adfdf..0641087 100644
--- a/exports/taskfiles/utils/checksum.yaml
+++ b/exports/taskfiles/utils/checksum.yaml
@@ -44,7 +44,7 @@ tasks:
         2> /dev/null
         | md5sum > {{.CHECKSUM_FILE}}
     # Ignore errors so that dependent tasks don't fail
-    # ignore_error: true
+    ignore_error: true
 
   # Validates the checksum of the given path include patterns matches the checksum in the given
   # file. If `FAIL` is set to "true" the task will fail, otherwise the checksum file is deleted.
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 37bcbd1..a2d34c7 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -38,9 +38,14 @@ tasks:
       # Test create-dir-with-checksum ran the second time and created a different checksum.
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
-      - "cat '{{.CHECKSUM_FILE}}'"
-      - "cat '{{.CHECKSUM_FILE_REF}}'"
-      - "echo \"$(cmp -b '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}')\""
+      - |-
+        echo "checksum_file"
+        date -r '{{.CHECKSUM_FILE}}'
+        cat '{{.CHECKSUM_FILE}}'
+      - |-
+        echo "checksum_file"
+        date -r '{{.CHECKSUM_FILE_REF}}'
+        cat '{{.CHECKSUM_FILE_REF}}'
       - |-
         if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 1
@@ -162,4 +167,4 @@ tasks:
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS: ["{{.DIR}}"]
+          INCLUDE_PATTERNS: ["{{.DIR}}/*"]

From f09e08393e6368338174d9be682874f675af51d6 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 09:28:48 -0400
Subject: [PATCH 62/66] why tar mad

---
 taskfiles/checksum/tests.yaml | 30 +++++++++++++++++++++++++++---
 1 file changed, 27 insertions(+), 3 deletions(-)

diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index a2d34c7..0b50f7a 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -39,13 +39,37 @@ tasks:
       - "test ! -e '{{.FILE_0}}'"
       - "test -e '{{.FILE_1}}'"
       - |-
-        echo "checksum_file"
         date -r '{{.CHECKSUM_FILE}}'
         cat '{{.CHECKSUM_FILE}}'
       - |-
-        echo "checksum_file"
         date -r '{{.CHECKSUM_FILE_REF}}'
         cat '{{.CHECKSUM_FILE_REF}}'
+      - >-
+        tar
+        --create
+        --file -
+        --group 0
+        --mtime "UTC 1970-01-01"
+        --numeric-owner
+        --owner 0
+        --sort name
+        --no-anchored
+        --wildcards
+        "{{.SRC_DIR}}"
+      - >-
+        tar
+        --create
+        --file -
+        --group 0
+        --mtime "UTC 1970-01-01"
+        --numeric-owner
+        --owner 0
+        --sort name
+        --no-anchored
+        --wildcards
+        "{{.SRC_DIR}}"
+        2> /dev/null
+        | md5sum
       - |-
         if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 1
@@ -167,4 +191,4 @@ tasks:
       - task: "checksum:compute"
         vars:
           CHECKSUM_FILE: "{{.CHECKSUM_FILE}}"
-          INCLUDE_PATTERNS: ["{{.DIR}}/*"]
+          INCLUDE_PATTERNS: ["{{.DIR}}"]

From 4743a674c5f081b4c91293a9715201ec679bc111 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 09:46:07 -0400
Subject: [PATCH 63/66] this shouldn't work

---
 .github/workflows/unit-tests.yaml | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index aabe8fa..08556c7 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -38,5 +38,9 @@ jobs:
         shell: "bash"
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
+      - if: "'macos-15' == matrix.os"
+        run: |-
+          brew install coreutils
+
       - name: "Run unit tests"
         run: "task test --concurrency 1 --verbose"

From b6552d1e36906205a0101ef8d435bbfa3ee781f8 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 09:54:28 -0400
Subject: [PATCH 64/66] gtar auto installed?

---
 .github/workflows/unit-tests.yaml     |  4 ----
 exports/taskfiles/utils/checksum.yaml | 13 ++++++++-----
 taskfiles/checksum/tests.yaml         |  7 +++++--
 3 files changed, 13 insertions(+), 11 deletions(-)

diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index 08556c7..aabe8fa 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -38,9 +38,5 @@ jobs:
         shell: "bash"
         run: "curl --fail --location --silent --show-error https://astral.sh/uv/install.sh | sh"
 
-      - if: "'macos-15' == matrix.os"
-        run: |-
-          brew install coreutils
-
       - name: "Run unit tests"
         run: "task test --concurrency 1 --verbose"
diff --git a/exports/taskfiles/utils/checksum.yaml b/exports/taskfiles/utils/checksum.yaml
index 0641087..358f621 100644
--- a/exports/taskfiles/utils/checksum.yaml
+++ b/exports/taskfiles/utils/checksum.yaml
@@ -12,7 +12,10 @@ tasks:
     desc: "Tries to compute a checksum for the given paths and output it to a file."
     internal: true
     label: "{{.TASK}}-{{.CHECKSUM_FILE}}"
-    silent: true
+    # silent: true
+    vars:
+      TAR: >-
+        {{if eq OS "darwin"}}gtar{{else}}tar{{end}}
     requires:
       vars: ["CHECKSUM_FILE", "INCLUDE_PATTERNS"]
     cmds:
@@ -25,7 +28,7 @@ tasks:
       # passed to `tar` as arguments. If the input patterns are passed to `tar` with quotes, the
       # pattern won't be evaluated and will instead be treated literally.
       - >-
-        tar
+        {{.TAR}}
         --create
         --file -
         --group 0
@@ -44,7 +47,7 @@ tasks:
         2> /dev/null
         | md5sum > {{.CHECKSUM_FILE}}
     # Ignore errors so that dependent tasks don't fail
-    ignore_error: true
+    # ignore_error: true
 
   # Validates the checksum of the given path include patterns matches the checksum in the given
   # file. If `FAIL` is set to "true" the task will fail, otherwise the checksum file is deleted.
@@ -82,10 +85,10 @@ tasks:
         (
           {{- range .INCLUDE_PATTERNS}}
           for path in {{.}}; do
-            test -e "$path"
+            test -e "$path" || exit 1
           done
           {{- end}}
-          diff -q "{{.TMP_CHECKSUM_FILE}}" "{{.CHECKSUM_FILE}}" 2> /dev/null
+          cmp -s "{{.TMP_CHECKSUM_FILE}}" "{{.CHECKSUM_FILE}}"
         ) \
         {{- if eq "true" .FAIL}}
           || false
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 0b50f7a..6cb64e1 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -21,6 +21,9 @@ tasks:
       CHECKSUM_FILE_REF: "{{.CHECKSUM_FILE}}.ref"
       FILE_0: "{{.SRC_DIR}}/0.txt"
       FILE_1: "{{.SRC_DIR}}/1.txt"
+
+      ARCHIVER: >-
+        {{if eq OS "darwin"}}gtar{{else}}tar{{end}}
     cmds:
       - task: "checksum-test-init"
         vars:
@@ -45,7 +48,7 @@ tasks:
         date -r '{{.CHECKSUM_FILE_REF}}'
         cat '{{.CHECKSUM_FILE_REF}}'
       - >-
-        tar
+        {{.ARCHIVER}}
         --create
         --file -
         --group 0
@@ -57,7 +60,7 @@ tasks:
         --wildcards
         "{{.SRC_DIR}}"
       - >-
-        tar
+        {{.ARCHIVER}}
         --create
         --file -
         --group 0

From 2afbc02d1227b7e824a5bd2ff9b7e72646495d27 Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 09:56:29 -0400
Subject: [PATCH 65/66] check ignore_errors later

---
 exports/taskfiles/utils/checksum.yaml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/exports/taskfiles/utils/checksum.yaml b/exports/taskfiles/utils/checksum.yaml
index 358f621..6e489b4 100644
--- a/exports/taskfiles/utils/checksum.yaml
+++ b/exports/taskfiles/utils/checksum.yaml
@@ -12,7 +12,7 @@ tasks:
     desc: "Tries to compute a checksum for the given paths and output it to a file."
     internal: true
     label: "{{.TASK}}-{{.CHECKSUM_FILE}}"
-    # silent: true
+    silent: true
     vars:
       TAR: >-
         {{if eq OS "darwin"}}gtar{{else}}tar{{end}}
@@ -47,7 +47,7 @@ tasks:
         2> /dev/null
         | md5sum > {{.CHECKSUM_FILE}}
     # Ignore errors so that dependent tasks don't fail
-    # ignore_error: true
+    ignore_error: true
 
   # Validates the checksum of the given path include patterns matches the checksum in the given
   # file. If `FAIL` is set to "true" the task will fail, otherwise the checksum file is deleted.

From 4dd002b4832b9da99861b721c17a9e3f88155f6f Mon Sep 17 00:00:00 2001
From: davidlion <david.lion@yscope.com>
Date: Mon, 25 Aug 2025 10:01:40 -0400
Subject: [PATCH 66/66] bam

---
 exports/taskfiles/utils/checksum.yaml | 17 +++++++++++++++
 taskfiles/checksum/tests.yaml         | 30 +--------------------------
 2 files changed, 18 insertions(+), 29 deletions(-)

diff --git a/exports/taskfiles/utils/checksum.yaml b/exports/taskfiles/utils/checksum.yaml
index 6e489b4..892de6b 100644
--- a/exports/taskfiles/utils/checksum.yaml
+++ b/exports/taskfiles/utils/checksum.yaml
@@ -27,6 +27,23 @@ tasks:
       # input patterns cannot be quoted since they're evaluated by the shell and the results are
       # passed to `tar` as arguments. If the input patterns are passed to `tar` with quotes, the
       # pattern won't be evaluated and will instead be treated literally.
+      - >-
+        {{.TAR}}
+        --create
+        --file -
+        --group 0
+        --mtime "UTC 1970-01-01"
+        --numeric-owner
+        --owner 0
+        --sort name
+        --no-anchored
+        --wildcards
+        {{- range .EXCLUDE_PATTERNS}}
+        --exclude="{{.}}"
+        {{- end}}
+        {{- range .INCLUDE_PATTERNS}}
+        {{.}}
+        {{- end}}
       - >-
         {{.TAR}}
         --create
diff --git a/taskfiles/checksum/tests.yaml b/taskfiles/checksum/tests.yaml
index 6cb64e1..f78ae70 100644
--- a/taskfiles/checksum/tests.yaml
+++ b/taskfiles/checksum/tests.yaml
@@ -21,9 +21,6 @@ tasks:
       CHECKSUM_FILE_REF: "{{.CHECKSUM_FILE}}.ref"
       FILE_0: "{{.SRC_DIR}}/0.txt"
       FILE_1: "{{.SRC_DIR}}/1.txt"
-
-      ARCHIVER: >-
-        {{if eq OS "darwin"}}gtar{{else}}tar{{end}}
     cmds:
       - task: "checksum-test-init"
         vars:
@@ -47,32 +44,7 @@ tasks:
       - |-
         date -r '{{.CHECKSUM_FILE_REF}}'
         cat '{{.CHECKSUM_FILE_REF}}'
-      - >-
-        {{.ARCHIVER}}
-        --create
-        --file -
-        --group 0
-        --mtime "UTC 1970-01-01"
-        --numeric-owner
-        --owner 0
-        --sort name
-        --no-anchored
-        --wildcards
-        "{{.SRC_DIR}}"
-      - >-
-        {{.ARCHIVER}}
-        --create
-        --file -
-        --group 0
-        --mtime "UTC 1970-01-01"
-        --numeric-owner
-        --owner 0
-        --sort name
-        --no-anchored
-        --wildcards
-        "{{.SRC_DIR}}"
-        2> /dev/null
-        | md5sum
+      - "! cmp -s '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}' && true"
       - |-
         if cmp '{{.CHECKSUM_FILE}}' '{{.CHECKSUM_FILE_REF}}'; then
           exit 1