fixup! signer: gpg2: add debsign mode

signer/gpg2/gpg2.go

@@ -216,20 +216,8 @@ func createKeyRing(s *GPG2Signer) (string, error) {
 		"--no-tty",
 		"--batch",
 		"--yes",
-		"--pinentry-mode", "loopback",
-		"--passphrase-fd", "0",
 		"--import", tmpPrivateKeyFile.Name())
 	gpgLoadPrivateKey.Dir = dir
-	stdin, err := gpgLoadPrivateKey.StdinPipe()
-	if err != nil {
-		return "", fmt.Errorf("gpg2: failed to create stdin pipe for private key import: %w", err)
-	}
-	if _, err = io.WriteString(stdin, s.passphrase); err != nil {
-		return "", fmt.Errorf("gpg2: failed to write passphrase to stdin pipe for private key import: %w", err)
-	}
-	if err = stdin.Close(); err != nil {
-		return "", fmt.Errorf("gpg2: failed to close to stdin pipe for private key import: %w", err)
-	}
 	out, err = gpgLoadPrivateKey.CombinedOutput()
 	if err != nil {
 		return "", fmt.Errorf("gpg2: failed to load private key into keyring: %s\n%s", err, out)
@@ -316,6 +304,7 @@ func (s *GPG2Signer) SignData(data []byte, options interface{}) (signer.Signatur
 		"--passphrase-fd", "0",
 		"--detach-sign", tmpContentFile.Name(),
 	)
+	gpgDetachSign.Dir = s.tmpDir
 	stdin, err := gpgDetachSign.StdinPipe()
 	if err != nil {
 		return nil, fmt.Errorf("gpg2: failed to create stdin pipe for sign cmd: %w", err)