1 files changed, 148 insertions, 0 deletions
diff --git a/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapio/writer.go b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapio/writer.go
new file mode 100644
index 0000000..9ac2e95
--- /dev/null
+++ b/dependencies/pkg/mod/go.uber.org/zap@v1.23.0/zapio/writer.go
@@ -0,0 +1,148 @@
+// Copyright (c) 2021 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+package zapio
+
+import (
+	"bytes"
+	"io"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+)
+
+// Writer is an io.Writer that writes to the provided Zap logger, splitting log
+// messages on line boundaries. The Writer will buffer writes in memory until
+// it encounters a newline, or the caller calls Sync or Close.
+//
+// Use the Writer with packages like os/exec where an io.Writer is required,
+// and you want to log the output using your existing logger configuration. For
+// example,
+//
+//	writer := &zapio.Writer{Log: logger, Level: zap.DebugLevel}
+//	defer writer.Close()
+//
+//	cmd := exec.CommandContext(ctx, ...)
+//	cmd.Stdout = writer
+//	cmd.Stderr = writer
+//	if err := cmd.Run(); err != nil {
+//	    return err
+//	}
+//
+// Writer must be closed when finished to flush buffered data to the logger.
+type Writer struct {
+	// Log specifies the logger to which the Writer will write messages.
+	//
+	// The Writer will panic if Log is unspecified.
+	Log *zap.Logger
+
+	// Log level for the messages written to the provided logger.
+	//
+	// If unspecified, defaults to Info.
+	Level zapcore.Level
+
+	buff bytes.Buffer
+}
+
+var (
+	_ zapcore.WriteSyncer = (*Writer)(nil)
+	_ io.Closer           = (*Writer)(nil)
+)
+
+// Write writes the provided bytes to the underlying logger at the configured
+// log level and returns the length of the bytes.
+//
+// Write will split the input on newlines and post each line as a new log entry
+// to the logger.
+func (w *Writer) Write(bs []byte) (n int, err error) {
+	// Skip all checks if the level isn't enabled.
+	if !w.Log.Core().Enabled(w.Level) {
+		return len(bs), nil
+	}
+
+	n = len(bs)
+	for len(bs) > 0 {
+		bs = w.writeLine(bs)
+	}
+
+	return n, nil
+}
+
+// writeLine writes a single line from the input, returning the remaining,
+// unconsumed bytes.
+func (w *Writer) writeLine(line []byte) (remaining []byte) {
+	idx := bytes.IndexByte(line, '\n')
+	if idx < 0 {
+		// If there are no newlines, buffer the entire string.
+		w.buff.Write(line)
+		return nil
+	}
+
+	// Split on the newline, buffer and flush the left.
+	line, remaining = line[:idx], line[idx+1:]
+
+	// Fast path: if we don't have a partial message from a previous write
+	// in the buffer, skip the buffer and log directly.
+	if w.buff.Len() == 0 {
+		w.log(line)
+		return
+	}
+
+	w.buff.Write(line)
+
+	// Log empty messages in the middle of the stream so that we don't lose
+	// information when the user writes "foo\n\nbar".
+	w.flush(true /* allowEmpty */)
+
+	return remaining
+}
+
+// Close closes the writer, flushing any buffered data in the process.
+//
+// Always call Close once you're done with the Writer to ensure that it flushes
+// all data.
+func (w *Writer) Close() error {
+	return w.Sync()
+}
+
+// Sync flushes buffered data to the logger as a new log entry even if it
+// doesn't contain a newline.
+func (w *Writer) Sync() error {
+	// Don't allow empty messages on explicit Sync calls or on Close
+	// because we don't want an extraneous empty message at the end of the
+	// stream -- it's common for files to end with a newline.
+	w.flush(false /* allowEmpty */)
+	return nil
+}
+
+// flush flushes the buffered data to the logger, allowing empty messages only
+// if the bool is set.
+func (w *Writer) flush(allowEmpty bool) {
+	if allowEmpty || w.buff.Len() > 0 {
+		w.log(w.buff.Bytes())
+	}
+	w.buff.Reset()
+}
+
+func (w *Writer) log(b []byte) {
+	if ce := w.Log.Check(w.Level, string(b)); ce != nil {
+		ce.Write()
+	}
+}