From 73df946d56c74384511a194dd01dbe099584fd1a Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 15:14:23 +0200
Subject: Adding upstream version 1.16.10.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 src/cmd/go/testdata/savedir.go | 79 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 79 insertions(+)
 create mode 100644 src/cmd/go/testdata/savedir.go

(limited to 'src/cmd/go/testdata/savedir.go')

diff --git a/src/cmd/go/testdata/savedir.go b/src/cmd/go/testdata/savedir.go
new file mode 100644
index 0000000..d469c31
--- /dev/null
+++ b/src/cmd/go/testdata/savedir.go
@@ -0,0 +1,79 @@
+// Copyright 2018 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// +build ignore
+
+// Savedir archives a directory tree as a txtar archive printed to standard output.
+//
+// Usage:
+//
+//	go run savedir.go /path/to/dir >saved.txt
+//
+// Typically the tree is later extracted during a test with tg.extract("testdata/saved.txt").
+//
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/fs"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+	"unicode/utf8"
+
+	"../internal/txtar"
+)
+
+func usage() {
+	fmt.Fprintf(os.Stderr, "usage: go run savedir.go dir >saved.txt\n")
+	os.Exit(2)
+}
+
+const goCmd = "vgo"
+
+func main() {
+	flag.Usage = usage
+	flag.Parse()
+	if flag.NArg() != 1 {
+		usage()
+	}
+
+	log.SetPrefix("savedir: ")
+	log.SetFlags(0)
+
+	dir := flag.Arg(0)
+
+	a := new(txtar.Archive)
+	dir = filepath.Clean(dir)
+	filepath.WalkDir(dir, func(path string, info fs.DirEntry, err error) error {
+		if path == dir {
+			return nil
+		}
+		name := info.Name()
+		if strings.HasPrefix(name, ".") {
+			if info.IsDir() {
+				return filepath.SkipDir
+			}
+			return nil
+		}
+		if !info.Type().IsRegular() {
+			return nil
+		}
+		data, err := os.ReadFile(path)
+		if err != nil {
+			log.Fatal(err)
+		}
+		if !utf8.Valid(data) {
+			log.Printf("%s: ignoring invalid UTF-8 data", path)
+			return nil
+		}
+		a.Files = append(a.Files, txtar.File{Name: strings.TrimPrefix(path, dir+string(filepath.Separator)), Data: data})
+		return nil
+	})
+
+	data := txtar.Format(a)
+	os.Stdout.Write(data)
+}
-- 
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