modules/docs: use new fix-links impl

Author: MattSturgeon

modules/docs/default.nix

@@ -1,29 +1,10 @@
 { lib, pkgs, ... }:
 let
   # Replaces absolute links to the docs with relative links
-  # FIXME: use pandoc filters to do this with an AST
-  fixLinks =
-    name: src:
-    pkgs.runCommand name
-      {
-        inherit src;
-        github = "https://github.com/nix-community/nixvim/blob/main/";
-        baseurl = "https://nix-community.github.io/nixvim/";
-      }
-      ''
-
-        cp $src $out
-
-        # replace relative links with links to github
-        # TODO: it'd be nice to match relative links without a leading ./
-        # but that is less trivial
-        substituteInPlace $out --replace-quiet "./" "$github"
-
-        # replace absolute links
-        substituteInPlace $out --replace-quiet "$baseurl" "./"
-
-        # TODO: replace .html with .md
-      '';
+  fixLinks = pkgs.callPackage ../../docs/fix-linkx {
+    githubUrl = "https://github.com/nix-community/nixvim/blob/main/";
+    baseurlUrl = "https://nix-community.github.io/nixvim/";
+  };
 in
 {
   options.enableMan = lib.mkOption {
@@ -46,18 +27,15 @@ in
     pages."" = {
       menu.section = "header";
       menu.location = [ "Home" ];
-      source =
-        let
-          src = pkgs.callPackage ./readme.nix {
-            # TODO: get `availableVersions` and `baseHref` from module options
-          };
-        in
-        fixLinks src.name src;
+      source = pkgs.callPackage ./readme.nix {
+        inherit fixLinks;
+        # TODO: get `availableVersions` and `baseHref` from module options
+      };
     };
     pages.contributing = {
       menu.section = "footer";
       menu.location = [ "Contributing" ];
-      source = fixLinks "contributing" ../../CONTRIBUTING.md;
+      source = fixLinks ../../CONTRIBUTING.md;
     };
     optionPages.docs = {
       optionScopes = [ "docs" ];

modules/docs/readme.nix

@@ -1,6 +1,7 @@
 {
   lib,
   runCommand,
+  fixLinks,
   availableVersions ? [ ],
   baseHref ? "/", # TODO: remove & get from module config
 }:
@@ -21,7 +22,7 @@ runCommand "index.md"
         {
           start = "<!-- START DOCS -->";
           end = "<!-- STOP DOCS -->";
-          src = ../../README.md;
+          src = fixLinks ../../README.md;
         }
         ''
           # extract relevant section of the README