golangci-lint: fix invalid nakedret config, disallow for any func length

.golangci.yml

@@ -17,7 +17,7 @@ linters:
     - ineffassign
     - lll
     - misspell      # Detects commonly misspelled English words in comments.
-    - nakedret
+    - nakedret      # Detects uses of naked returns.
     - nilerr        # Detects code that returns nil even if it checks that the error is not nil.
     - nolintlint    # Detects ill-formed or insufficient nolint directives.
     - perfsprint    # Detects fmt.Sprintf uses that can be replaced with a faster alternative.
@@ -81,8 +81,9 @@ linters-settings:
   lll:
     line-length: 200
   nakedret:
-    command: nakedret
-    pattern: ^(?P<path>.*?\\.go):(?P<line>\\d+)\\s*(?P<message>.*)$
+    # Disallow naked returns if func has more lines of code than this setting.
+    # Default: 30
+    max-func-lines: 0
 
   revive:
     rules:

cli/command/container/cp.go

@@ -201,9 +201,10 @@ func runCopy(ctx context.Context, dockerCli command.Cli, opts copyOptions) error
 	}
 }
 
-func resolveLocalPath(localPath string) (absPath string, err error) {
-	if absPath, err = filepath.Abs(localPath); err != nil {
-		return
+func resolveLocalPath(localPath string) (absPath string, _ error) {
+	absPath, err := filepath.Abs(localPath)
+	if err != nil {
+		return "", err
 	}
 	return archive.PreserveTrailingDotOrSeparator(absPath, localPath), nil
 }

cli/internal/oauth/jwt.go

@@ -56,15 +56,19 @@ type Source struct {
 }
 
 // GetClaims returns claims from an access token without verification.
-func GetClaims(accessToken string) (claims Claims, err error) {
+func GetClaims(accessToken string) (Claims, error) {
 	token, err := parseSigned(accessToken)
 	if err != nil {
-		return
+		return Claims{}, err
 	}
 
+	var claims Claims
 	err = token.UnsafeClaimsWithoutVerification(&claims)
+	if err != nil {
+		return Claims{}, err
+	}
 
-	return
+	return claims, nil
 }
 
 // allowedSignatureAlgorithms is a list of allowed signature algorithms for JWTs.