fix(deps): update module github.com/nxadm/tail to v1.4.11

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

vendor/github.com/nxadm/tail/tail.go

@@ -77,8 +77,9 @@ type Config struct {
 	Pipe      bool      // The file is a named pipe (mkfifo)
 
 	// Generic IO
-	Follow      bool // Continue looking for new lines (tail -f)
-	MaxLineSize int  // If non-zero, split longer lines into multiple lines
+	Follow        bool // Continue looking for new lines (tail -f)
+	MaxLineSize   int  // If non-zero, split longer lines into multiple lines
+	CompleteLines bool // Only return complete lines (that end with "\n" or EOF when Follow is false)
 
 	// Optionally, use a ratelimiter (e.g. created by the ratelimiter/NewLeakyBucket function)
 	RateLimiter *ratelimiter.LeakyBucket
@@ -97,6 +98,8 @@ type Tail struct {
 	reader  *bufio.Reader
 	lineNum int
 
+	lineBuf *strings.Builder
+
 	watcher watch.FileWatcher
 	changes *watch.FileChanges
 
@@ -128,6 +131,10 @@ func TailFile(filename string, config Config) (*Tail, error) {
 		Config:   config,
 	}
 
+	if config.CompleteLines {
+		t.lineBuf = new(strings.Builder)
+	}
+
 	// when Logger was not specified in config, use default logger
 	if t.Logger == nil {
 		t.Logger = DefaultLogger
@@ -202,6 +209,9 @@ func (tail *Tail) closeFile() {
 }
 
 func (tail *Tail) reopen() error {
+	if tail.lineBuf != nil {
+		tail.lineBuf.Reset()
+	}
 	tail.closeFile()
 	tail.lineNum = 0
 	for {
@@ -229,16 +239,32 @@ func (tail *Tail) readLine() (string, error) {
 	tail.lk.Lock()
 	line, err := tail.reader.ReadString('\n')
 	tail.lk.Unlock()
-	if err != nil {
+
+	newlineEnding := strings.HasSuffix(line, "\n")
+	line = strings.TrimRight(line, "\n")
+
+	// if we don't have to handle incomplete lines, we can return the line as-is
+	if !tail.Config.CompleteLines {
 		// Note ReadString "returns the data read before the error" in
 		// case of an error, including EOF, so we return it as is. The
 		// caller is expected to process it if err is EOF.
 		return line, err
 	}
 
-	line = strings.TrimRight(line, "\n")
+	if _, err := tail.lineBuf.WriteString(line); err != nil {
+		return line, err
+	}
 
-	return line, err
+	if newlineEnding {
+		line = tail.lineBuf.String()
+		tail.lineBuf.Reset()
+		return line, nil
+	} else {
+		if tail.Config.Follow {
+			line = ""
+		}
+		return line, io.EOF
+	}
 }
 
 func (tail *Tail) tailFileSync() {