getsolus · davidjharder · Oct 7, 2025 · Jun 29, 2025
diff --git a/packages/u/usysconf-epoch/files/epoch.service b/packages/u/usysconf-epoch/files/epoch.service
@@ -0,0 +1,15 @@
+[Unit]
+Description=Perform the epoch transition
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+EnvironmentFile=-/etc/sysconfig/epoch
+ExecStart=/usr/lib64/usysconf/epoch.sh
+Type=notify
+
+RemainAfterExit=yes
+TimeoutStartSec=60s
+
+[Install]
+WantedBy=multi-user.target
diff --git a/packages/u/usysconf-epoch/files/epoch.sh b/packages/u/usysconf-epoch/files/epoch.sh
@@ -0,0 +1,186 @@
+#!/usr/bin/env bash
+set -euo pipefail
+shopt -s nullglob
+
+EPOCH_ENABLE="${EPOCH_ENABLE:=no}"
+
+STATE_DIR="${STATE_DIR:=/var/solus/usr-merge}"
+MERGE_FLAG_FILE="${MERGE_FLAG_FILE:=${STATE_DIR}/merge-complete}"
+
+OLD_REPO="https://cdn.getsol.us/repo/shannon/eopkg-index.xml.xz"
+NEW_REPO="https://cdn.getsol.us/repo/polaris/eopkg-index.xml.xz"
+
+export LC_ALL=C
+
+declare -A DESKTOP_FLAG_FILES=(
+    ["budgie"]="/usr/bin/budgie-desktop"
+    ["gnome"]="/usr/bin/gnome-shell"
+    ["kde"]="/usr/bin/startplasma-wayland"
+    ["xfce"]="/usr/bin/xfce4-session"
+    ["mate"]="/usr/bin/mate-about"
+)
+declare -A DESKTOP_SOFTWARE_CENTRE=(
+    ["budgie"]="discover"
+    ["gnome"]="gnome-software"
+    ["kde"]="discover"
+    ["xfce"]="discover"
+    ["mate"]="discover"
+)
+declare -A SC_DESKTOP_FILES=(
+    ["discover"]="/usr/share/applications/org.kde.discover.desktop"
+    ["gnome-software"]="/usr/share/applications/org.gnome.Software.desktop"
+)
+
+function update_repo() {
+    local repo=""
+    local active=""
+    while read -r line
+    do
+        if [[ "${repo}" == "" ]]
+        then
+            repo="${line% *}"
+            active="${line##"${repo}" }"
+            continue
+        fi
+
+        url="${line##   }"
+        if [[ "${url}" == "${OLD_REPO}" ]]
+        then
+            echo "Updating repo ${repo} to ${NEW_REPO}"
+
+            eopkg add-repo -y "${repo}" "${NEW_REPO}"
+
+            if [[ "${active}" == "[inactive]" ]]
+            then
+                eopkg disable-repo "${repo}"
+            fi
+        fi
+
+        repo=""
+    done <<< "$(eopkg list-repo --no-color)"
+}
+
+function is_installed() {
+    eopkg info --no-color --short "${1}" | grep -P '^\[inst\]' >/dev/null
+}
+
+function desktop_name() {
+    local field
+
+    if [[ "$2" != "" ]]
+    then
+        field="^Name\[$2\]="
+    else
+        field="^Name="
+    fi
+
+    local name
+    name="$(grep "${field}" "${SC_DESKTOP_FILES[$1]}" | head -n1 || true)"
+
+    echo "${name#*=}"
+}
+
+function sc_name() {
+    local name
+
+    for lang in "${LANG%.*}" "${LANG%_*}" ""
+    do
+        name="$(desktop_name "$1" "${lang}")"
+        if [[ "${name}" != "" ]]
+        then
+            echo "${name}"
+            return
+        fi
+    done
+}
+
+function wait_login() {
+    while true
+    do
+        for path in /run/user/*
+        do
+            if [[ "$(basename "$path")" -ge 1000 ]]
+            then
+                # wait for the login to complete
+                sleep 10
+                return
+            fi
+        done
+
+        sleep 10
+    done
+}
+
+# Based on StackOverflow post by Fabio A.
+# See https://stackoverflow.com/a/49533938
+function _notify-send() {
+    local user
+
+    for bus in /run/user/*/bus
+    do
+        user="$(stat -c '%U' "${bus}")"
+        sudo -u "${user}" env DBUS_SESSION_BUS_ADDRESS="unix:path=$bus" notify-send "$@"
+    done
+}
+
+if [[ "${EPOCH_ENABLE}" != "yes" ]]
+then
+    echo "Not enabled, refusing to transition"
+    exit 0
+fi
+
+if [[ ! -e "${MERGE_FLAG_FILE}" ]]
+then
+    echo "Not ready: not usr-merged"
+    exit 1
+fi
+
+if [[ "$(readlink /usr/bin/eopkg)" != "eopkg.bin" ]]
+then
+    echo "Not ready: eopkg is not python3"
+    exit 1
+fi
+
+desktop=""
+removed_sc=false
+
+# Install appropriate software centre
+for d in "${!DESKTOP_FLAG_FILES[@]}"
+do
+    if [[ -e "${DESKTOP_FLAG_FILES[$d]}" ]]
+    then
+        desktop="${d}"
+        break
+    fi
+done
+
+sc_package="${DESKTOP_SOFTWARE_CENTRE[$desktop]}"
+echo "Detected desktop: ${desktop}"
+
+if ! is_installed "${sc_package}"
+then
+    echo "Installing new SC: ${sc_package}"
+    eopkg install --yes-all "${DESKTOP_SOFTWARE_CENTRE[$desktop]}"
+fi
+
+if is_installed solus-sc
+then
+   echo "Removing old SC"
+   eopkg remove --yes-all solus-sc
+   removed_sc=true
+fi
+
+echo "Checking repository"
+update_repo
+
+echo "Finished! Welcome to the new epoch."
+systemd-notify --ready
+
+if [[ "${removed_sc}" == "true" ]]
+then
+    wait_login
+    _notify-send --urgency=critical \
+                 --icon=software \
+                 "Solus Software" \
+                 "Software Center is now '$(sc_name "${sc_package}")'" || true
+fi
diff --git a/packages/u/usysconf-epoch/files/usysconf-epoch.preset b/packages/u/usysconf-epoch/files/usysconf-epoch.preset
@@ -0,0 +1,2 @@
+enable usr-merge.service
+enable epoch.service
diff --git a/packages/u/usysconf-epoch/package.yml b/packages/u/usysconf-epoch/package.yml
@@ -1,6 +1,6 @@
 name       : usysconf-epoch
 version    : 1.0.0
-release    : 17
+release    : 18
 source     :
     # We need something for a source
     - https://getsol.us/sources/hotspot.txt : a12b7cb43c9d9134b5bb1b35e9096b66775d9e92e7611d1cc92b02edd6782a87
@@ -12,10 +12,9 @@
 description: |
     Temporary package for hosting the epoch script
 install    : |
-    install -Dm00755 $pkgfiles/usr-merge.sh -t $installdir/usr/lib64/usysconf/
+    install -Dm00755 -t $installdir/usr/lib64/usysconf/      $pkgfiles/*.sh
+    install -Dm00644 -t $installdir/%libdir%/systemd/system/ $pkgfiles/*.service
 
-    # Systemd units to run this early in the boot
-    install -Dm00644 $pkgfiles/usr-merge.service -t $installdir/%libdir%/systemd/system/
-
-    install -Ddm00755 $installdir/%libdir%/systemd/system/sysinit.target.wants
+    install -Ddm00755 $installdir/%libdir%/systemd/system/{sysinit,multi-user}.target.wants
     ln -srv $installdir/%libdir%/systemd/system/usr-merge.service $installdir/%libdir%/systemd/system/sysinit.target.wants/usr-merge.service
+    ln -srv $installdir/%libdir%/systemd/system/epoch.service     $installdir/%libdir%/systemd/system/multi-user.target.wants/epoch.service
diff --git a/packages/u/usysconf-epoch/pspec_x86_64.xml b/packages/u/usysconf-epoch/pspec_x86_64.xml
@@ -20,14 +20,17 @@
 </Description>
         <PartOf>system.base</PartOf>
         <Files>
+            <Path fileType="library">/usr/lib64/systemd/system/epoch.service</Path>
+            <Path fileType="library">/usr/lib64/systemd/system/multi-user.target.wants/epoch.service</Path>
             <Path fileType="library">/usr/lib64/systemd/system/sysinit.target.wants/usr-merge.service</Path>
             <Path fileType="library">/usr/lib64/systemd/system/usr-merge.service</Path>
+            <Path fileType="library">/usr/lib64/usysconf/epoch.sh</Path>
             <Path fileType="library">/usr/lib64/usysconf/usr-merge.sh</Path>
         </Files>
     </Package>
     <History>
-        <Update release="17">
-            <Date>2024-10-22</Date>
+        <Update release="18">
+            <Date>2025-10-04</Date>
             <Version>1.0.0</Version>
             <Comment>Packaging update</Comment>
             <Name>Silke Hofstra</Name>