fix: no full git validation when ignoring files (#5599)

- Don't require Git SHA and branch validation when
  IGNORE_GITIGNORED_FILES=true because we only need to validate that the
  workspace is a Git repository in this case.

Fix #5383

Makefile

@@ -4,7 +4,7 @@
 all: info docker test ## Run all targets.
 
 .PHONY: test
-test: info validate-container-image-labels test-lib inspec lint-codebase test-default-config-files test-actions-runner-debug test-actions-steps-debug test-runner-debug test-find lint-subset-files test-custom-ssl-cert test-non-default-workdir test-git-flags test-non-default-home-directory test-git-initial-commit test-log-level test-linters-expect-failure-log-level-notice test-bash-exec-library-expect-success test-bash-exec-library-expect-failure test-linters ## Run the test suite
+test: info validate-container-image-labels test-lib inspec lint-codebase test-default-config-files test-actions-runner-debug test-actions-steps-debug test-runner-debug test-find lint-subset-files test-custom-ssl-cert test-non-default-workdir test-git-flags test-non-default-home-directory test-git-initial-commit test-log-level test-use-find-and-ignore-gitignored-files test-linters-expect-failure-log-level-notice test-bash-exec-library-expect-success test-bash-exec-library-expect-failure test-linters ## Run the test suite
 
 # if this session isn't interactive, then we don't want to allocate a
 # TTY, which would fail, but if it is interactive, we do want to attach
@@ -379,6 +379,12 @@ test-git-initial-commit: ## Run super-linter against a repository that only has
 		$(SUPER_LINTER_TEST_CONTAINER_URL) \
 		"run_test_case_git_initial_commit"
 
+.PHONY: test-use-find-and-ignore-gitignored-files
+test-use-find-and-ignore-gitignored-files: ## Run super-linter with USE_FIND_ALGORITHM=true and IGNORE_GITIGNORED_FILES=true
+	$(CURDIR)/test/run-super-linter-tests.sh \
+		$(SUPER_LINTER_TEST_CONTAINER_URL) \
+		"run_test_case_use_find_and_ignore_gitignored_files"
+
 .PHONY: build-dev-container-image
 build-dev-container-image: ## Build commit linter container image
 	DOCKER_BUILDKIT=1 docker buildx build --load \

lib/linter.sh

@@ -760,8 +760,14 @@ GetValidationInfo
 if [[ "${USE_FIND_ALGORITHM}" == "false" ]] || [[ "${IGNORE_GITIGNORED_FILES}" == "true" ]]; then
   debug "Validate the local Git environment"
   ValidateLocalGitRepository
+
+  # We need to validate the commit SHA reference and the default branch only when
+  # using Git to get the list of files to lint
+  if [[ "${USE_FIND_ALGORITHM}" == "false" ]]; then
+    debug "Validate the Git SHA and branch references"
     ValidateGitShaReference
     ValidateDefaultGitBranch
+  fi
 else
   debug "Skipped the validation of the local Git environment because we don't depend on it."
 fi

test/run-super-linter-tests.sh

@@ -11,6 +11,10 @@ DEFAULT_BRANCH="main"
 
 COMMAND_TO_RUN=(docker run -t -e DEFAULT_BRANCH="${DEFAULT_BRANCH}" -e ENABLE_GITHUB_ACTIONS_GROUP_TITLE=true)
 
+ignore_test_cases() {
+  COMMAND_TO_RUN+=(-e FILTER_REGEX_EXCLUDE=".*(/test/linters/|CHANGELOG.md).*")
+}
+
 configure_linters_for_test_cases() {
   COMMAND_TO_RUN+=(-e TEST_CASE_RUN=true -e JSCPD_CONFIG_FILE=".jscpd-test-linters.json" -e RENOVATE_SHAREABLE_CONFIG_PRESET_FILE_NAMES="default.json,hoge.json" -e TYPESCRIPT_STANDARD_TSCONFIG_FILE=".github/linters/tsconfig.json")
 }
@@ -79,6 +83,12 @@ run_test_case_git_initial_commit() {
   COMMAND_TO_RUN+=(-e VALIDATE_JSON=true)
 }
 
+run_test_case_use_find_and_ignore_gitignored_files() {
+  ignore_test_cases
+  COMMAND_TO_RUN+=(-e IGNORE_GITIGNORED_FILES=true)
+  COMMAND_TO_RUN+=(-e USE_FIND_ALGORITHM=true)
+}
+
 # Run the test setup function
 ${TEST_FUNCTION_NAME}