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-rw-r--r--cmd/podman/diff.go18
1 files changed, 12 insertions, 6 deletions
diff --git a/cmd/podman/diff.go b/cmd/podman/diff.go
index bad31a4a2..5e6abe243 100644
--- a/cmd/podman/diff.go
+++ b/cmd/podman/diff.go
@@ -3,6 +3,7 @@ package main
import (
"fmt"
+ "github.com/containers/podman/v2/cmd/podman/common"
"github.com/containers/podman/v2/cmd/podman/containers"
"github.com/containers/podman/v2/cmd/podman/images"
"github.com/containers/podman/v2/cmd/podman/registry"
@@ -17,11 +18,12 @@ var (
// Command: podman _diff_ Object_ID
diffDescription = `Displays changes on a container or image's filesystem. The container or image will be compared to its parent layer.`
diffCmd = &cobra.Command{
- Use: "diff [options] {CONTAINER_ID | IMAGE_ID}",
- Args: validate.IDOrLatestArgs,
- Short: "Display the changes to the object's file system",
- Long: diffDescription,
- RunE: diff,
+ Use: "diff [options] {CONTAINER_ID | IMAGE_ID}",
+ Args: validate.IDOrLatestArgs,
+ Short: "Display the changes to the object's file system",
+ Long: diffDescription,
+ RunE: diff,
+ ValidArgsFunction: common.AutocompleteContainersAndImages,
Example: `podman diff imageID
podman diff ctrID
podman diff --format json redis:alpine`,
@@ -38,7 +40,11 @@ func init() {
flags := diffCmd.Flags()
flags.BoolVar(&diffOpts.Archive, "archive", true, "Save the diff as a tar archive")
_ = flags.MarkHidden("archive")
- flags.StringVar(&diffOpts.Format, "format", "", "Change the output format")
+
+ formatFlagName := "format"
+ flags.StringVar(&diffOpts.Format, formatFlagName, "", "Change the output format")
+ _ = diffCmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteJSONFormat)
+
validate.AddLatestFlag(diffCmd, &diffOpts.Latest)
}