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 should be passed to the tool (for `*-mod` hooks)
     #
     -   id: golangci-lint
     -   id: golangci-lint-mod

golangci-lint-mod.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 cmd=(golangci-lint run)
-cmd_pwd_arg="--path-prefix"
+cmd_cwd_arg="--path-prefix"
 . "$(dirname "${0}")/lib/cmd-mod.bash"

golangci-lint-repo-mod.sh

@@ -1,4 +1,4 @@
 #!/usr/bin/env bash
 cmd=(golangci-lint run)
-cmd_pwd_arg="--path-prefix"
+cmd_cwd_arg="--path-prefix"
 . "$(dirname "${0}")/lib/cmd-repo-mod.bash"

lib/cmd-mod.bash

@@ -14,8 +14,8 @@ error_code=0
 #
 for sub in $(find_module_roots "${FILES[@]}" | sort -u); do
 	pushd "${sub}" > /dev/null || exit 1
-	if [ "${cmd_pwd_arg:-}" ]; then
-		OPTIONS+=("${cmd_pwd_arg}=${sub}")
+	if [ "${use_path_prefix:-}" -eq 1 ] && [ "${cmd_cwd_arg:-}" ]; then
+		OPTIONS+=("${cmd_cwd_arg}=${sub}")
 	fi
 	if [ "${error_on_output:-}" -eq 1 ]; then
 		output=$(/usr/bin/env "${ENV_VARS[@]}" "${cmd[@]}" "${OPTIONS[@]}" 2>&1)

lib/cmd-repo-mod.bash

@@ -14,8 +14,8 @@ error_code=0
 #
 for sub in $(find . -name go.mod -not -path '*/vendor/*' -exec dirname "{}" ';' | sort -u); do
 	pushd "${sub}" > /dev/null || exit 1
-	if [ "${cmd_pwd_arg:-}" ]; then
-		OPTIONS+=("${cmd_pwd_arg}=${sub}")
+	if [ "${use_path_prefix:-}" -eq 1 ] && [ "${cmd_cwd_arg:-}" ]; then
+		OPTIONS+=("${cmd_cwd_arg}=${sub}")
 	fi
 	if [ "${error_on_output:-}" -eq 1 ]; then
 		output=$(/usr/bin/env "${ENV_VARS[@]}" "${cmd[@]}" "${OPTIONS[@]}" 2>&1)

lib/common.bash

@@ -2,6 +2,7 @@
 
 : "${use_dot_dot_dot:=1}"
 : "${error_on_output:=0}"
+: "${use_path_prefix:=0}"
 : "${ignore_file_pattern_array:=}"
 
 ##
@@ -66,6 +67,10 @@ function parse_file_hook_args {
 				fi
 				shift
 				;;
+			--hook:path-prefix)
+				use_path_prefix=1
+				shift
+				;;
 			--hook:*)
 				printf "ERROR: Unknown hook option: '%s'\n" "${1}" >&2
 				exit 1