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Diffstat (limited to 'cmd/podman/cp.go')
-rw-r--r--cmd/podman/cp.go39
1 files changed, 25 insertions, 14 deletions
diff --git a/cmd/podman/cp.go b/cmd/podman/cp.go
index 30b6d75d2..6223676ac 100644
--- a/cmd/podman/cp.go
+++ b/cmd/podman/cp.go
@@ -27,8 +27,11 @@ import (
var (
cpCommand cliconfig.CpValues
- cpDescription = "Copy files/folders between a container and the local filesystem"
- _cpCommand = &cobra.Command{
+ cpDescription = `Command copies the contents of SRC_PATH to the DEST_PATH.
+
+ You can copy from the container's file system to the local machine or the reverse, from the local filesystem to the container. If "-" is specified for either the SRC_PATH or DEST_PATH, you can also stream a tar archive from STDIN or to STDOUT. The CONTAINER can be a running or stopped container. The SRC_PATH or DEST_PATH can be a file or directory.
+`
+ _cpCommand = &cobra.Command{
Use: "cp [flags] SRC_PATH DEST_PATH",
Short: "Copy files/folders between a container and the local filesystem",
Long: cpDescription,
@@ -43,6 +46,10 @@ var (
func init() {
cpCommand.Command = _cpCommand
+ flags := cpCommand.Flags()
+ flags.BoolVar(&cpCommand.Extract, "extract", false, "Extract the tar file into the destination directory.")
+ cpCommand.SetHelpTemplate(HelpTemplate())
+ cpCommand.SetUsageTemplate(UsageTemplate())
rootCmd.AddCommand(cpCommand.Command)
}
@@ -61,10 +68,11 @@ func cpCmd(c *cliconfig.CpValues) error {
}
defer runtime.Shutdown(false)
- return copyBetweenHostAndContainer(runtime, args[0], args[1])
+ extract := c.Flag("extract").Changed
+ return copyBetweenHostAndContainer(runtime, args[0], args[1], extract)
}
-func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest string) error {
+func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest string, extract bool) error {
srcCtr, srcPath := parsePath(runtime, src)
destCtr, destPath := parsePath(runtime, dest)
@@ -166,7 +174,7 @@ func copyBetweenHostAndContainer(runtime *libpod.Runtime, src string, dest strin
var lastError error
for _, src := range glob {
- err := copy(src, destPath, dest, idMappingOpts, &containerOwner)
+ err := copy(src, destPath, dest, idMappingOpts, &containerOwner, extract)
if lastError != nil {
logrus.Error(lastError)
}
@@ -219,7 +227,7 @@ func getPathInfo(path string) (string, os.FileInfo, error) {
return path, srcfi, nil
}
-func copy(src, destPath, dest string, idMappingOpts storage.IDMappingOptions, chownOpts *idtools.IDPair) error {
+func copy(src, destPath, dest string, idMappingOpts storage.IDMappingOptions, chownOpts *idtools.IDPair, extract bool) error {
srcPath, err := filepath.EvalSymlinks(src)
if err != nil {
return errors.Wrapf(err, "error evaluating symlinks %q", srcPath)
@@ -263,17 +271,20 @@ func copy(src, destPath, dest string, idMappingOpts storage.IDMappingOptions, ch
if destfi != nil && destfi.IsDir() {
destPath = filepath.Join(destPath, filepath.Base(srcPath))
}
- // Copy the file, preserving attributes.
- logrus.Debugf("copying %q to %q", srcPath, destPath)
- if err = copyFileWithTar(srcPath, destPath); err != nil {
- return errors.Wrapf(err, "error copying %q to %q", srcPath, destPath)
+ }
+
+ if extract {
+ // We're extracting an archive into the destination directory.
+ logrus.Debugf("extracting contents of %q into %q", srcPath, destPath)
+ if err = untarPath(srcPath, destPath); err != nil {
+ return errors.Wrapf(err, "error extracting %q into %q", srcPath, destPath)
}
return nil
}
- // We're extracting an archive into the destination directory.
- logrus.Debugf("extracting contents of %q into %q", srcPath, destPath)
- if err = untarPath(srcPath, destPath); err != nil {
- return errors.Wrapf(err, "error extracting %q into %q", srcPath, destPath)
+ // Copy the file, preserving attributes.
+ logrus.Debugf("copying %q to %q", srcPath, destPath)
+ if err = copyFileWithTar(srcPath, destPath); err != nil {
+ return errors.Wrapf(err, "error copying %q to %q", srcPath, destPath)
}
return nil
}