iSharkFly-Docs
/
packer-cn
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

builder/amazon/chroot: make sure to remove files before copy

This commit is contained in:
Mitchell Hashimoto 2013-07-30 15:55:45 -07:00
parent aaaad835f6
commit 2f4bf61f09
1 changed files with 10 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
builder/amazon/chroot/step_copy_files.go
View File

@ -42,11 +42,18 @@ func (s *StepCopyFiles) Run(state map[string]interface{}) multistep.StepAction {
func (s *StepCopyFiles) Cleanup(state map[string]interface{}) {}
func (s *StepCopyFiles) copySingle(dst, src string) error {
// Stat the src file so we can copy the mode later
srcInfo, err := os.Stat(src)
if err != nil {
return err
}
// Remove any existing destination file
if err := os.Remove(dst); err != nil {
return err
}
// Copy the files
srcF, err := os.Open(src)
if err != nil {
return err
@ -57,11 +64,14 @@ func (s *StepCopyFiles) copySingle(dst, src string) error {
if err != nil {
return err
}
defer dstF.Close()
if _, err := io.Copy(dstF, srcF); err != nil {
return err
}
dstF.Close()
// Match the mode
if err := os.Chmod(dst, srcInfo.Mode()); err != nil {
return err
}