Add bootstrap option to set a prefix for the commit messages

Signed-off-by: Dries Verachtert <dries.verachtert@dries.eu>

internal/bootstrap/bootstrap_plain_git.go

@@ -51,6 +51,7 @@ type PlainGitBootstrapper struct {
 	branch string
 
 	author                git.Author
+	commitMessagePrefix   string
 	commitMessageAppendix string
 
 	kubeconfig  string
@@ -133,6 +134,9 @@ func (b *PlainGitBootstrapper) ReconcileComponents(ctx context.Context, manifest
 
 	// Git commit generated
 	commitMsg := fmt.Sprintf("Add Flux %s component manifests", options.Version)
+	if b.commitMessagePrefix != "" {
+		commitMsg = b.commitMessagePrefix + commitMsg
+	}
 	if b.commitMessageAppendix != "" {
 		commitMsg = commitMsg + "\n\n" + b.commitMessageAppendix
 	}
@@ -297,6 +301,9 @@ func (b *PlainGitBootstrapper) ReconcileSyncConfig(ctx context.Context, options
 
 	// Git commit generated
 	commitMsg := fmt.Sprintf("Add Flux sync manifests")
+	if b.commitMessagePrefix != "" {
+		commitMsg = b.commitMessagePrefix + commitMsg
+	}
 	if b.commitMessageAppendix != "" {
 		commitMsg = commitMsg + "\n\n" + b.commitMessageAppendix
 	}

internal/bootstrap/options.go

@@ -62,6 +62,20 @@ func (o authorOption) applyGitProvider(b *GitProviderBootstrapper) {
 	o.applyGit(b.PlainGitBootstrapper)
 }
 
+func WithCommitMessagePrefix(prefix string) Option {
+	return commitMessagePrefixOption(prefix)
+}
+
+type commitMessagePrefixOption string
+
+func (o commitMessagePrefixOption) applyGit(b *PlainGitBootstrapper) {
+	b.commitMessagePrefix = string(o)
+}
+
+func (o commitMessagePrefixOption) applyGitProvider(b *GitProviderBootstrapper) {
+	o.applyGit(b.PlainGitBootstrapper)
+}
+
 func WithCommitMessageAppendix(appendix string) Option {
 	return commitMessageAppendixOption(appendix)
 }