refactor rename

Signed-off-by: Matej Vasek <[email protected]>

internal/sshdialer/ssh_dialer.go

@@ -222,29 +222,30 @@ func NewSSHClientConfig(url *urlPkg.URL, config Config) (*ssh.ClientConfig, erro
 
 	// add signer from explicit identity parameter
 	if config.Identity != "" {
-		s, err := loadSignerFromFile(config.Identity, []byte(config.Identity), config.PassPhraseCallback)
+		signer, err := loadSignerFromFile(config.Identity, []byte(config.Identity), config.PassPhraseCallback)
 		if err != nil {
 			return nil, fmt.Errorf("failed to parse identity file: %w", err)
 		}
-		signers = append(signers, s)
+		signers = append(signers, signer)
 	}
 
-	s, err := getSignersFromAgent()
+	// pulls signers (keys) from ssh-agent
+	signersFromAgent, err := getSignersFromAgent()
 	if err != nil {
 		return nil, err
 	}
-	signers = append(signers, s...)
+	signers = append(signers, signersFromAgent...)
 
 	// if there is no explicit identity file nor keys from ssh-agent then
 	// add keys with standard name from ~/.ssh/
 	if len(signers) == 0 {
 		defaultKeyPaths := getDefaultKeys()
 		if len(defaultKeyPaths) == 1 {
-			s, err := loadSignerFromFile(defaultKeyPaths[0], []byte(config.PassPhrase), config.PassPhraseCallback)
+			signer, err := loadSignerFromFile(defaultKeyPaths[0], []byte(config.PassPhrase), config.PassPhraseCallback)
 			if err != nil {
 				return nil, err
 			}
-			signers = append(signers, s)
+			signers = append(signers, signer)
 		}
 	}