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Set permission on atomic file write

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Perform chmod before rename with the atomic file writer.
Ensure writeErr is set on short write and file is removed on write error.

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2016-06-29 13:09:13 -07:00
parent 754ae20ec5
commit 003449018b
2 changed files with 19 additions and 4 deletions
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10
ioutils/fswriters_test.go
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@ -16,7 +16,7 @@ func TestAtomicWriteToFile(t *testing.T) {
defer os.RemoveAll(tmpDir)
expected := []byte("barbaz")
if err := AtomicWriteFile(filepath.Join(tmpDir, "foo"), expected, 0600); err != nil {
if err := AtomicWriteFile(filepath.Join(tmpDir, "foo"), expected, 0666); err != nil {
t.Fatalf("Error writing to file: %v", err)
}
@ -28,4 +28,12 @@ func TestAtomicWriteToFile(t *testing.T) {
if bytes.Compare(actual, expected) != 0 {
t.Fatalf("Data mismatch, expected %q, got %q", expected, actual)
}
st, err := os.Stat(filepath.Join(tmpDir, "foo"))
if err != nil {
t.Fatalf("Error statting file: %v", err)
}
if expected := os.FileMode(0666); st.Mode() != expected {
t.Fatalf("Mode mismatched, expected %o, got %o", expected, st.Mode())
}
}