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archive/tar: append a slash when deriving header info from a directory

This behavior is identical to GNU tar 1.26.

R=dsymonds, dave
CC=golang-dev
https://golang.org/cl/7307101
This commit is contained in:
Christian Himpel 2013-02-13 19:23:28 +11:00 committed by David Symonds
parent 4101469ccc
commit 96082a6953
2 changed files with 27 additions and 2 deletions

View File

@ -79,6 +79,7 @@ const (
// FileInfoHeader creates a partially-populated Header from fi.
// If fi describes a symlink, FileInfoHeader records link as the link target.
// If fi describes a directory, a slash is appended to the name.
func FileInfoHeader(fi os.FileInfo, link string) (*Header, error) {
if fi == nil {
return nil, errors.New("tar: FileInfo is nil")
@ -96,6 +97,7 @@ func FileInfoHeader(fi os.FileInfo, link string) (*Header, error) {
case fi.IsDir():
h.Typeflag = TypeDir
h.Mode |= c_ISDIR
h.Name += "/"
case fi.Mode()&os.ModeSymlink != 0:
h.Typeflag = TypeSymlink
h.Mode |= c_ISLNK

View File

@ -14,13 +14,13 @@ import (
)
func TestFileInfoHeader(t *testing.T) {
fi, err := os.Lstat("testdata/small.txt")
fi, err := os.Stat("testdata/small.txt")
if err != nil {
t.Fatal(err)
}
h, err := FileInfoHeader(fi, "")
if err != nil {
t.Fatalf("on small.txt: %v", err)
t.Fatalf("FileInfoHeader: %v", err)
}
if g, e := h.Name, "small.txt"; g != e {
t.Errorf("Name = %q; want %q", g, e)
@ -36,6 +36,29 @@ func TestFileInfoHeader(t *testing.T) {
}
}
func TestFileInfoHeaderDir(t *testing.T) {
fi, err := os.Stat("testdata")
if err != nil {
t.Fatal(err)
}
h, err := FileInfoHeader(fi, "")
if err != nil {
t.Fatalf("FileInfoHeader: %v", err)
}
if g, e := h.Name, "testdata/"; g != e {
t.Errorf("Name = %q; want %q", g, e)
}
if g, e := h.Mode, int64(fi.Mode().Perm())|c_ISDIR; g != e {
t.Errorf("Mode = %#o; want %#o", g, e)
}
if g, e := h.Size, int64(0); g != e {
t.Errorf("Size = %v; want %v", g, e)
}
if g, e := h.ModTime, fi.ModTime(); !g.Equal(e) {
t.Errorf("ModTime = %v; want %v", g, e)
}
}
func TestFileInfoHeaderSymlink(t *testing.T) {
h, err := FileInfoHeader(symlink{}, "some-target")
if err != nil {