Try not to leave directories behind with incorrect permissions

This commit is contained in:
Jakob Borg 2014-08-25 18:14:49 +02:00
parent e1f1ae041f
commit fe43e3b89d
3 changed files with 29 additions and 7 deletions

View File

@ -1,5 +1,8 @@
#!/bin/sh
#!/bin/bash
set -euo pipefail
IFS=$'\n\t'
./test-http.sh || exit
./test-merge.sh || exit
./test-delupd.sh || exit
go test -tags integration -v
./test-http.sh
./test-merge.sh
./test-delupd.sh

View File

@ -461,7 +461,7 @@ func (p *puller) handleBlock(b bqBlock) bool {
of.temp = filepath.Join(p.repoCfg.Directory, defTempNamer.TempName(f.Name))
dirName := filepath.Dir(of.filepath)
_, err := os.Stat(dirName)
info, err := os.Stat(dirName)
if err != nil {
err = os.MkdirAll(dirName, 0777)
} else {
@ -469,6 +469,8 @@ func (p *puller) handleBlock(b bqBlock) bool {
if dirName != p.repoCfg.Directory {
err = os.Chmod(dirName, 0777)
}
// Change it back after creating the file, to minimize the time window with incorrect permissions
defer os.Chmod(dirName, info.Mode())
}
if err != nil {
l.Infof("mkdir: error: %q / %q: %v", p.repoCfg.ID, f.Name, err)
@ -632,7 +634,13 @@ func (p *puller) handleEmptyBlock(b bqBlock) {
dirName := filepath.Dir(of.filepath)
os.Chmod(of.filepath, 0666)
if dirName != p.repoCfg.Directory {
info, err := os.Stat(dirName)
if err != nil {
l.Debugln("weird! can't happen?", err)
}
os.Chmod(dirName, 0777)
// Change it back after deleting the file, to minimize the time window with incorrect permissions
defer os.Chmod(dirName, info.Mode())
}
if p.versioner != nil {
if debug {

View File

@ -7,17 +7,28 @@ package osutil
import (
"os"
"path/filepath"
"runtime"
)
func Rename(from, to string) error {
// Make sure the destination directory is writeable
toDir := filepath.Dir(to)
if info, err := os.Stat(toDir); err == nil {
os.Chmod(toDir, 0777)
defer os.Chmod(toDir, info.Mode())
}
// On Windows, make sure the destination file is writeable (or we can't delete it)
if runtime.GOOS == "windows" {
os.Chmod(to, 0666) // Make sure the file is user writeable
os.Chmod(to, 0666)
err := os.Remove(to)
if err != nil && !os.IsNotExist(err) {
return err
}
}
defer os.Remove(from) // Don't leave a dangling temp file in case of rename error
// Don't leave a dangling temp file in case of rename error
defer os.Remove(from)
return os.Rename(from, to)
}