Remove file reading from bootstrap package

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

pkg/bootstrap/git/commit_options.go

@@ -1,5 +1,9 @@
 package git
 
+import (
+	"github.com/ProtonMail/go-crypto/openpgp"
+)
+
 // Option is a some configuration that modifies options for a commit.
 type Option interface {
 	// ApplyToCommit applies this configuration to a given commit option.
@@ -13,9 +17,9 @@ type CommitOptions struct {
 
 // GPGSigningInfo contains information for signing a commit.
 type GPGSigningInfo struct {
-	KeyRingPath string
-	Passphrase  string
-	KeyID       string
+	KeyRing    openpgp.EntityList
+	Passphrase string
+	KeyID      string
 }
 
 type GpgSigningOption struct {
@@ -26,17 +30,17 @@ func (w GpgSigningOption) ApplyToCommit(in *CommitOptions) {
 	in.GPGSigningInfo = w.GPGSigningInfo
 }
 
-func WithGpgSigningOption(path, passphrase, keyID string) Option {
+func WithGpgSigningOption(keyRing openpgp.EntityList, passphrase, keyID string) Option {
 	// Return nil if no path is set, even if other options are configured.
-	if path == "" {
+	if len(keyRing) == 0 {
 		return GpgSigningOption{}
 	}
 
 	return GpgSigningOption{
 		GPGSigningInfo: &GPGSigningInfo{
-			KeyRingPath: path,
-			Passphrase:  passphrase,
-			KeyID:       keyID,
+			KeyRing:    keyRing,
+			Passphrase: passphrase,
+			KeyID:      keyID,
 		},
 	}
 }