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archive/tar: fix round-trip attributes

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The issue was identified while
working with round trip FileInfo of the headers of hardlinks. Also,
additional test cases for hard link handling.
(review carried over from http://golang.org/cl/165860043)

Fixes #9027

Change-Id: I9e3a724c8de72eb1b0fbe0751a7b488894911b76
Reviewed-on: https://go-review.googlesource.com/6790
Reviewed-by: Russ Cox <rsc@golang.org>

Signed-off-by: Vincent Batts <vbatts@hashbangbash.com>
This commit is contained in:
Vincent Batts 2015-03-04 12:29:16 -05:00
parent 2e5698249c
commit b48c28014e
5 changed files with 127 additions and 24 deletions
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63
archive/tar/tar_test.go
View file

@ -147,17 +147,6 @@ func TestHeaderRoundTrip(t *testing.T) {
},
fm: 0644,
},
// hard link.
{
h: &Header{
Name: "hard.txt",
Mode: 0644 | c_ISLNK,
Size: 0,
ModTime: time.Unix(1360600916, 0),
Typeflag: TypeLink,
},
fm: 0644 | os.ModeSymlink,
},
// symbolic link.
{
h: &Header{
@ -246,6 +235,33 @@ func TestHeaderRoundTrip(t *testing.T) {
},
fm: 0600 | os.ModeSticky,
},
// hard link.
{
h: &Header{
Name: "hard.txt",
Mode: 0644 | c_ISREG,
Size: 0,
Linkname: "file.txt",
ModTime: time.Unix(1360600916, 0),
Typeflag: TypeLink,
},
fm: 0644,
},
// More information.
{
h: &Header{
Name: "info.txt",
Mode: 0600 | c_ISREG,
Size: 0,
Uid: 1000,
Gid: 1000,
ModTime: time.Unix(1360602540, 0),
Uname: "slartibartfast",
Gname: "users",
Typeflag: TypeReg,
},
fm: 0600,
},
}
for i, g := range golden {
@ -268,12 +284,37 @@ func TestHeaderRoundTrip(t *testing.T) {
if got, want := h2.Size, g.h.Size; got != want {
t.Errorf("i=%d: Size: got %v, want %v", i, got, want)
}
if got, want := h2.Uid, g.h.Uid; got != want {
t.Errorf("i=%d: Uid: got %d, want %d", i, got, want)
}
if got, want := h2.Gid, g.h.Gid; got != want {
t.Errorf("i=%d: Gid: got %d, want %d", i, got, want)
}
if got, want := h2.Uname, g.h.Uname; got != want {
t.Errorf("i=%d: Uname: got %q, want %q", i, got, want)
}
if got, want := h2.Gname, g.h.Gname; got != want {
t.Errorf("i=%d: Gname: got %q, want %q", i, got, want)
}
if got, want := h2.Linkname, g.h.Linkname; got != want {
t.Errorf("i=%d: Linkname: got %v, want %v", i, got, want)
}
if got, want := h2.Typeflag, g.h.Typeflag; got != want {
t.Logf("%#v %#v", g.h, fi.Sys())
t.Errorf("i=%d: Typeflag: got %q, want %q", i, got, want)
}
if got, want := h2.Mode, g.h.Mode; got != want {
t.Errorf("i=%d: Mode: got %o, want %o", i, got, want)
}
if got, want := fi.Mode(), g.fm; got != want {
t.Errorf("i=%d: fi.Mode: got %o, want %o", i, got, want)
}
if got, want := h2.AccessTime, g.h.AccessTime; got != want {
t.Errorf("i=%d: AccessTime: got %v, want %v", i, got, want)
}
if got, want := h2.ChangeTime, g.h.ChangeTime; got != want {
t.Errorf("i=%d: ChangeTime: got %v, want %v", i, got, want)
}
if got, want := h2.ModTime, g.h.ModTime; got != want {
t.Errorf("i=%d: ModTime: got %v, want %v", i, got, want)
}