Move bootstrap package from internal to pkg

Signed-off-by: Philip Laine <philip.laine@gmail.com>

pkg/bootstrap/git/commit_options.go

@@ -0,0 +1,42 @@
+package git
+
+// Option is a some configuration that modifies options for a commit.
+type Option interface {
+	// ApplyToCommit applies this configuration to a given commit option.
+	ApplyToCommit(*CommitOptions)
+}
+
+// CommitOptions contains options for making a commit.
+type CommitOptions struct {
+	*GPGSigningInfo
+}
+
+// GPGSigningInfo contains information for signing a commit.
+type GPGSigningInfo struct {
+	KeyRingPath string
+	Passphrase  string
+	KeyID       string
+}
+
+type GpgSigningOption struct {
+	*GPGSigningInfo
+}
+
+func (w GpgSigningOption) ApplyToCommit(in *CommitOptions) {
+	in.GPGSigningInfo = w.GPGSigningInfo
+}
+
+func WithGpgSigningOption(path, passphrase, keyID string) Option {
+	// Return nil if no path is set, even if other options are configured.
+	if path == "" {
+		return GpgSigningOption{}
+	}
+
+	return GpgSigningOption{
+		GPGSigningInfo: &GPGSigningInfo{
+			KeyRingPath: path,
+			Passphrase:  passphrase,
+			KeyID:       keyID,
+		},
+	}
+}