vbatts/containerd
1
0
Fork 0
Code Pull requests Releases Activity

Add support for devices

Browse source 
Address code comments from previous commit

Signed-off-by: Derek McGowan <derek@mcgstyle.net> (github: dmcgowan)
This commit is contained in:
Derek McGowan 2017-02-01 14:23:56 -08:00
parent 200cd6e877
commit f78105d832
5 changed files with 28 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

21
fs/copy.go
View file

@ -24,10 +24,12 @@ func copyDirectory(dst, src string, inodes map[uint64]string) error {
return errors.Errorf("source is not directory")
}
if _, err := os.Stat(dst); err != nil {
if st, err := os.Stat(dst); err != nil {
if err := os.Mkdir(dst, stat.Mode()); err != nil {
return errors.Wrapf(err, "failed to mkdir %s", dst)
}
} else if !st.IsDir() {
return errors.Errorf("cannot copy to non-directory: %s", dst)
} else {
if err := os.Chmod(dst, stat.Mode()); err != nil {
return errors.Wrapf(err, "failed to chmod on %s", dst)
@ -46,12 +48,14 @@ func copyDirectory(dst, src string, inodes map[uint64]string) error {
for _, fi := range fis {
source := filepath.Join(src, fi.Name())
target := filepath.Join(dst, fi.Name())
if fi.IsDir() {
switch {
case fi.IsDir():
if err := copyDirectory(target, source, inodes); err != nil {
return err
}
continue
} else if (fi.Mode() & os.ModeType) == 0 {
case (fi.Mode() & os.ModeType) == 0:
link, err := GetLinkSource(target, fi, inodes)
if err != nil {
return errors.Wrap(err, "failed to get hardlink")
@ -63,7 +67,7 @@ func copyDirectory(dst, src string, inodes map[uint64]string) error {
} else if err := copyFile(source, target); err != nil {
return errors.Wrap(err, "failed to copy files")
}
} else if (fi.Mode() & os.ModeSymlink) == os.ModeSymlink {
case (fi.Mode() & os.ModeSymlink) == os.ModeSymlink:
link, err := os.Readlink(source)
if err != nil {
return errors.Wrapf(err, "failed to read link: %s", source)
@ -71,10 +75,11 @@ func copyDirectory(dst, src string, inodes map[uint64]string) error {
if err := os.Symlink(link, target); err != nil {
return errors.Wrapf(err, "failed to create symlink: %s", target)
}
} else if (fi.Mode() & os.ModeDevice) == os.ModeDevice {
// TODO: support devices
return errors.New("devices not supported")
} else {
case (fi.Mode() & os.ModeDevice) == os.ModeDevice:
if err := copyDevice(target, fi); err != nil {
return errors.Wrapf(err, "failed to create device")
}
default:
// TODO: Support pipes and sockets
return errors.Wrapf(err, "unsupported mode %s", fi.Mode())
}