/
diff.go
55 lines (47 loc) · 1.88 KB
/
diff.go
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package containers
import (
"github.com/containers/podman/v4/cmd/podman/common"
"github.com/containers/podman/v4/cmd/podman/diff"
"github.com/containers/podman/v4/cmd/podman/registry"
"github.com/containers/podman/v4/cmd/podman/validate"
"github.com/containers/podman/v4/libpod/define"
"github.com/containers/podman/v4/pkg/domain/entities"
"github.com/pkg/errors"
"github.com/spf13/cobra"
)
var (
// podman container _diff_
diffCmd = &cobra.Command{
Use: "diff [options] CONTAINER [CONTAINER]",
Args: diff.ValidateContainerDiffArgs,
Short: "Inspect changes to the container's file systems",
Long: `Displays changes to the container filesystem's'. The container will be compared to its parent layer or the second argument when given.`,
RunE: diffRun,
ValidArgsFunction: common.AutocompleteContainers,
Example: `podman container diff myCtr
podman container diff -l --format json myCtr`,
}
diffOpts *entities.DiffOptions
)
func init() {
registry.Commands = append(registry.Commands, registry.CliCommand{
Command: diffCmd,
Parent: containerCmd,
})
diffOpts = &entities.DiffOptions{}
flags := diffCmd.Flags()
// FIXME: Why does this exists? It is not used anywhere.
flags.BoolVar(&diffOpts.Archive, "archive", true, "Save the diff as a tar archive")
_ = flags.MarkHidden("archive")
formatFlagName := "format"
flags.StringVar(&diffOpts.Format, formatFlagName, "", "Change the output format (json)")
_ = diffCmd.RegisterFlagCompletionFunc(formatFlagName, common.AutocompleteFormat(nil))
validate.AddLatestFlag(diffCmd, &diffOpts.Latest)
}
func diffRun(cmd *cobra.Command, args []string) error {
if len(args) == 0 && !diffOpts.Latest {
return errors.New("container must be specified: podman container diff [options [...]] ID-NAME")
}
diffOpts.Type = define.DiffContainer
return diff.Diff(cmd, args, *diffOpts)
}