Add a config for the disc recovery machine.

nix/configuration/roles/git/default.nix

@@ -54,23 +54,17 @@ in
         nixpkgs.overlays = [
           (final: prev: {
             my_git = (
-              pkgs.buildEnv {
-                name = prev.git.name;
-                version = prev.git.version;
+              pkgs.symlinkJoin {
+                name = final.git.name;
+                version = final.git.version;
                 paths =
-                  (builtins.map (git_wrapped prev.git) [
+                  (builtins.map (git_wrapped final.git) [
                     "git"
                   ])
                   ++ [
-                    prev.git
+                    final.git
                   ];
-                extraOutputsToInstall = [
-                  "man"
-                  "doc"
-                  "info"
-                ];
                 nativeBuildInputs = [ final.makeWrapper ];
-                ignoreCollisions = true;
               }
             );
           })
@@ -79,7 +73,7 @@ in
       (lib.mkIf (!config.me.graphical) {
         nixpkgs.overlays = [
           (final: prev: {
-            my_git = prev.git;
+            my_git = final.git;
           })
         ];
       })