Use --hook:path-prefix arg to make golangci-lint --path-prefix optional

Author: davidjb

README.md

@@ -112,6 +112,8 @@ You can copy/paste the following snippet into your `.pre-commit-config.yaml` fil
     # - Can be configured to replace MOST other hooks
     # - Supports repo config file for configuration
     # - https://github.com/golangci/golangci-lint
+    # - Use arg `--hook:path-prefix` to indicate that the repository root
+    #   directory be passed to the tool as prefix (for `*-mod` hooks)
     #
     -   id: golangci-lint
     -   id: golangci-lint-mod

golangci-lint-mod.sh

@@ -1,4 +1,6 @@
 #!/usr/bin/env bash
 cmd=(golangci-lint run)
-cmd_pwd_arg="--path-prefix"
+if [ "${path_prefix:-}" -eq 1 ]; then
+	cmd_pwd_arg="--path-prefix"
+fi
 . "$(dirname "${0}")/lib/cmd-mod.bash"

golangci-lint-repo-mod.sh

@@ -1,4 +1,6 @@
 #!/usr/bin/env bash
 cmd=(golangci-lint run)
-cmd_pwd_arg="--path-prefix"
+if [ "${path_prefix:-}" -eq 1 ]; then
+	cmd_pwd_arg="--path-prefix"
+fi
 . "$(dirname "${0}")/lib/cmd-repo-mod.bash"

lib/prepare-my-cmd.bash

@@ -22,6 +22,13 @@ while [ $# -gt 0 ] && [ "$1" != "--" ]; do
 			#
 			shift
 			;;
+		--hook:path-prefix)
+			path_prefix=1
+			# We continue (vs break) in order to consume multiple occurrences
+			# of the arg. VERY unlikely but let's be safe.
+			#
+			shift
+			;;
 		*) # preserve positional arguments
 			__ARGS+=("$1")
 			shift