Configure the name of the checksums dir using env var or git config

githooks/apps/runner/runner.go

@@ -174,6 +174,7 @@ func setupSettings(repoPath string) (HookSettings, UISettings) {
 	nonInteractive := hooks.IsRunnerNonInteractive(gitx, git.Traverse)
 	skipNonExistingSharedHooks := hooks.SkipNonExistingSharedHooks(gitx, git.Traverse)
 	skipUntrustedHooks, _ := hooks.SkipUntrustedHooks(gitx, git.Traverse)
+	checksumsDir := hooks.GetChecksumDirectoryGitDir(gitDir)
 
 	isTrusted, hasTrustFile, trustAllSet := hooks.IsRepoTrusted(gitx, repoPath)
 	if !isTrusted && hasTrustFile && !trustAllSet && !nonInteractive && !isGithooksDisabled {
@@ -188,6 +189,7 @@ func setupSettings(repoPath string) (HookSettings, UISettings) {
 		RepositoryHooksDir: path.Join(repoPath, hooks.HooksDirName),
 		GitDirWorktree:     gitDir,
 		InstallDir:         installDir,
+		ChecksumsDir:       checksumsDir,
 
 		HookPath:      hookPath,
 		HookName:      path.Base(hookPath),

githooks/apps/runner/settings.go

@@ -21,6 +21,7 @@ type HookSettings struct {
 	HookName      string // Name of the hook.
 	HookDir       string // Directory of the hook.
 	HookNamespace string // Namespace of this repositorie's Githooks.
+	ChecksumsDir  string // Name of the directory with the trust checksums
 
 	IsRepoTrusted              bool               // If the repository is a trusted repository.
 	SkipNonExistingSharedHooks bool               // If Githooks should skip non-existing shared hooks.

githooks/hooks/gitconfig.go

@@ -55,6 +55,8 @@ const (
 	GitCKContainerImageUpdateAutomatic = "githooks.containerImageUpdateAutomatic"
 
 	GitCKExportStagedFilesAsFile = "githooks.exportStagedFilesAsFile"
+
+	GitCKChecksumsDir = "githooks.checksumsDir"
 )
 
 // GetGlobalGitConfigKeys gets all global git config keys relevant for Githooks.

githooks/hooks/trusted.go

@@ -238,7 +238,21 @@ func (t *ChecksumStore) Summary() string {
 
 // GetChecksumDirectoryGitDir gets the checksum file inside the Git directory.
 func GetChecksumDirectoryGitDir(gitDir string) string {
-	return path.Join(gitDir, ".githooks.checksums")
+	var conf string
+	gitx := git.NewCtxAt(gitDir)
+	scope := git.Traverse
+	conf, set := os.LookupEnv("GITHOOKS_CHECKSUMS_DIR")
+	if !set {
+		conf = gitx.GetConfig(GitCKChecksumsDir, scope)
+	}
+
+	exists, _ := cm.IsPathExisting(path.Join(gitDir, conf))
+	switch {
+	case !strs.IsEmpty(conf) && exists:
+		return path.Join(gitDir, conf)
+	default:
+		return path.Join(gitDir, ".githooks.checksums")
+	}
 }
 
 // GetChecksumStorage loads the checksum store from the