home/git: add addr command

home/programs/git/default.nix

@@ -360,6 +360,11 @@ lib.mkIf cfg.enable {
       runtimeInputs = with pkgs; [ cfg.package gnused gnugrep gawk uutils-coreutils-noprefix ];
       text = lib.fileContents ./scripts/git-author-lines.sh;
     })
+    (pkgs.writeShellApplication {
+      name = "git-addr";
+      runtimeInputs = with pkgs; [ cfg.package ];
+      text = lib.fileContents ./scripts/git-addr.sh;
+    })
     (pkgs.writeShellApplication {
       name = "git-all-commits";
       runtimeInputs = with pkgs; [ cfg.package gnugrep gawk findutils uutils-coreutils-noprefix ];

home/programs/git/scripts/git-addr.sh

@@ -0,0 +1,19 @@
+GIT_ROOT_DIR="$(git rev-parse --show-toplevel)"
+
+if [ "$GIT_ROOT_DIR" = "" ]; then
+  echo "Not a git repository"
+  exit 1
+fi
+
+# Transform all file args to prepend the git root dir
+declare -a FINAL_ARGS
+
+for i in "$@"; do
+  if [ -f "$GIT_ROOT_DIR/$i" ]; then
+    FINAL_ARGS+=("$GIT_ROOT_DIR/$i")
+  else
+    FINAL_ARGS+=("$i")
+  fi
+done
+
+exec git add "${FINAL_ARGS[@]}"