aboutsummaryrefslogtreecommitdiff
path: root/cmd/podman/save.go
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/podman/save.go')
-rw-r--r--cmd/podman/save.go14
1 files changed, 7 insertions, 7 deletions
diff --git a/cmd/podman/save.go b/cmd/podman/save.go
index 3bc283772..c10679740 100644
--- a/cmd/podman/save.go
+++ b/cmd/podman/save.go
@@ -5,6 +5,7 @@ import (
"strings"
"github.com/containers/libpod/cmd/podman/cliconfig"
+ "github.com/containers/libpod/cmd/podman/shared/parse"
"github.com/containers/libpod/pkg/adapter"
"github.com/containers/libpod/pkg/util"
"github.com/pkg/errors"
@@ -23,9 +24,7 @@ var validFormats = []string{ociManifestDir, ociArchive, v2s2ManifestDir, v2s2Arc
var (
saveCommand cliconfig.SaveValues
- saveDescription = `
- Save an image to docker-archive or oci-archive on the local machine.
- Default is docker-archive`
+ saveDescription = `Save an image to docker-archive or oci-archive on the local machine. Default is docker-archive.`
_saveCommand = &cobra.Command{
Use: "save [flags] IMAGE",
@@ -54,11 +53,12 @@ var (
func init() {
saveCommand.Command = _saveCommand
+ saveCommand.SetHelpTemplate(HelpTemplate())
saveCommand.SetUsageTemplate(UsageTemplate())
flags := saveCommand.Flags()
flags.BoolVar(&saveCommand.Compress, "compress", false, "Compress tarball image layers when saving to a directory using the 'dir' transport. (default is same compression type as source)")
flags.StringVar(&saveCommand.Format, "format", v2s2Archive, "Save image to oci-archive, oci-dir (directory with oci manifest type), docker-archive, docker-dir (directory with v2s2 manifest type)")
- flags.StringVarP(&saveCommand.Output, "output", "o", "/dev/stdout", "Write to a file, default is STDOUT")
+ flags.StringVarP(&saveCommand.Output, "output", "o", "", "Write to a specified file (default: stdout, which must be redirected)")
flags.BoolVarP(&saveCommand.Quiet, "quiet", "q", false, "Suppress the output")
}
@@ -79,14 +79,14 @@ func saveCmd(c *cliconfig.SaveValues) error {
return errors.Errorf("--compress can only be set when --format is either 'oci-dir' or 'docker-dir'")
}
- output := c.Output
- if output == "/dev/stdout" {
+ if len(c.Output) == 0 {
fi := os.Stdout
if logrus.IsTerminal(fi) {
return errors.Errorf("refusing to save to terminal. Use -o flag or redirect")
}
+ c.Output = "/dev/stdout"
}
- if err := validateFileName(output); err != nil {
+ if err := parse.ValidateFileName(c.Output); err != nil {
return err
}
return runtime.SaveImage(getContext(), c)