diff options
Diffstat (limited to 'cmd/podman/images/save.go')
| -rw-r--r-- | cmd/podman/images/save.go | 31 |
1 files changed, 25 insertions, 6 deletions
diff --git a/cmd/podman/images/save.go b/cmd/podman/images/save.go index 024045b9d..82a3513f5 100644 --- a/cmd/podman/images/save.go +++ b/cmd/podman/images/save.go @@ -5,10 +5,9 @@ import ( "os" "strings" - "github.com/containers/podman/v2/libpod/define" - "github.com/containers/podman/v2/cmd/podman/parse" "github.com/containers/podman/v2/cmd/podman/registry" + "github.com/containers/podman/v2/libpod/define" "github.com/containers/podman/v2/pkg/domain/entities" "github.com/containers/podman/v2/pkg/util" "github.com/pkg/errors" @@ -83,9 +82,10 @@ func saveFlags(flags *pflag.FlagSet) { } -func save(cmd *cobra.Command, args []string) error { +func save(cmd *cobra.Command, args []string) (finalErr error) { var ( - tags []string + tags []string + succeeded = false ) if cmd.Flag("compress").Changed && (saveOpts.Format != define.OCIManifestDir && saveOpts.Format != define.V2s2ManifestDir && saveOpts.Format == "") { return errors.Errorf("--compress can only be set when --format is either 'oci-dir' or 'docker-dir'") @@ -95,7 +95,22 @@ func save(cmd *cobra.Command, args []string) error { if terminal.IsTerminal(int(fi.Fd())) { return errors.Errorf("refusing to save to terminal. Use -o flag or redirect") } - saveOpts.Output = "/dev/stdout" + pipePath, cleanup, err := setupPipe() + if err != nil { + return err + } + if cleanup != nil { + defer func() { + errc := cleanup() + if succeeded { + writeErr := <-errc + if writeErr != nil && finalErr == nil { + finalErr = writeErr + } + } + }() + } + saveOpts.Output = pipePath } if err := parse.ValidateFileName(saveOpts.Output); err != nil { return err @@ -103,5 +118,9 @@ func save(cmd *cobra.Command, args []string) error { if len(args) > 1 { tags = args[1:] } - return registry.ImageEngine().Save(context.Background(), args[0], tags, saveOpts) + err := registry.ImageEngine().Save(context.Background(), args[0], tags, saveOpts) + if err == nil { + succeeded = true + } + return err } |