Bump go-boilerplate; make error codes sequential

core/copy.go

@@ -15,7 +15,10 @@ import (
 
 // CopyArgument copies a field from an entry to the clipboard.
 func CopyArgument(targetLocation string, field int) error {
-	if isFile, _ := back.TargetIsFile(targetLocation, true, 2); isFile {
+	if isFile, _, err := back.TargetIsFile(targetLocation, true, 2); isFile {
+		if err != nil {
+			return err
+		}
 
 		decryptedEntry, err := crypt.DecryptFileToSlice(targetLocation)
 		if err != nil {

core/init.go

@@ -21,7 +21,7 @@ func LibmuttonInit(inputCB func(prompt string) string, clientSpecificIniData [][
 		// ensure ssh key file exists
 		fallbackSSHKey := back.Home + global.PathSeparator + ".ssh" + global.PathSeparator + "id_ed25519"
 		sshKeyPath := cmp.Or(back.ExpandPathWithHome(inputCB(back.AnsiBold+"Note:"+back.AnsiReset+" Only key-based authentication is supported (keys may optionally be passphrase-protected).\n      The remote server must already be in your ~"+global.PathSeparator+".ssh"+global.PathSeparator+"known_hosts file.\n\nSSH private identity file path (falls back to \""+fallbackSSHKey+"\"):")), fallbackSSHKey)
-		sshKeyIsFile, _ := back.TargetIsFile(sshKeyPath, false, 0)
+		sshKeyIsFile, _, _ := back.TargetIsFile(sshKeyPath, false, 0) // error is ignored because errorOnFail is false
 		if !sshKeyIsFile {
 			return errors.New("SSH identity file not found: " + sshKeyPath)
 		}

core/launchClipClearProcessCLIGeneric.go

@@ -13,7 +13,7 @@ import (
 // For non-interactive CLI implementations, an entirely separate process is created for this purpose.
 func LaunchClipClearProcess(copySubject string) {
 	cmd := exec.Command(os.Args[0], "clipclear")
-	back.WriteToStdin(cmd, copySubject)
-	cmd.Start()
+	_ = back.WriteToStdin(cmd, copySubject)
+	_ = cmd.Start()
 	os.Exit(0) // use os.Exit directly since this version of this function is only meant for non-interactive CLI implementations
 }

core/launchClipClearProcessCLIUNIX.go

@@ -14,7 +14,7 @@ import (
 // For non-interactive CLI implementations, an entirely separate process is created for this purpose.
 func LaunchClipClearProcess(copySubject string, isWayland bool) {
 	cmd := exec.Command(os.Args[0], "clipclear", strconv.FormatBool(isWayland))
-	back.WriteToStdin(cmd, copySubject)
+	_ = back.WriteToStdin(cmd, copySubject)
 	_ = cmd.Start()
 	os.Exit(0) // use os.Exit directly since this version of this function is only meant for non-interactive CLI implementations
 }

core/utilitiesMisc.go

@@ -156,13 +156,13 @@ func ClampTrailingWhitespace(note []string) {
 // Returns: statusCode (0 = success, 1 = target location already exists, 2 = containing directory is invalid).
 func EntryAddPrecheck(targetLocation string) (uint8, error) {
 	// ensure target location does not already exist
-	_, isAccessible := back.TargetIsFile(targetLocation, false, 0)
+	_, isAccessible, _ := back.TargetIsFile(targetLocation, false, 0) // error is ignored because errorOnFail is false
 	if isAccessible {
 		return 1, errors.New("target location already exists")
 	}
 	// ensure target containing directory exists and is a directory (not a file)
 	containingDir := targetLocation[:strings.LastIndex(targetLocation, global.PathSeparator)]
-	isFile, isAccessible := back.TargetIsFile(containingDir, false, 1)
+	isFile, isAccessible, _ := back.TargetIsFile(containingDir, false, 1) // error is ignored because errorOnFail is false
 	if isFile || !isAccessible {
 		return 2, errors.New("\"" + containingDir + "\" is not a valid containing directory")
 	}