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warning added before image prune command

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Warning message added before executing image prune
Added a force option, to execute without user input.

Signed-off-by: Kunal Kushwaha <kunal.kushwaha@gmail.com>
This commit is contained in:
Kunal Kushwaha 2019-11-12 13:50:35 +09:00
parent b713e5371f
commit 472a721bdd
2 changed files with 19 additions and 1 deletions
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3
cmd/podman/cliconfig/config.go
View file

@ -175,7 +175,8 @@ type HistoryValues struct {
}
type PruneImagesValues struct {
PodmanCommand
All bool
All bool
Force bool
}
type PruneContainersValues struct {

17
cmd/podman/images_prune.go
View file

@ -1,7 +1,10 @@
package main
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/containers/libpod/cmd/podman/cliconfig"
"github.com/containers/libpod/pkg/adapter"
@ -34,9 +37,23 @@ func init() {
pruneImagesCommand.SetUsageTemplate(UsageTemplate())
flags := pruneImagesCommand.Flags()
flags.BoolVarP(&pruneImagesCommand.All, "all", "a", false, "Remove all unused images, not just dangling ones")
flags.BoolVarP(&pruneImagesCommand.Force, "force", "f", false, "Do not prompt for confirmation")
}
func pruneImagesCmd(c *cliconfig.PruneImagesValues) error {
if !c.Force {
reader := bufio.NewReader(os.Stdin)
fmt.Printf(`
WARNING! This will remove all dangling images.
Are you sure you want to continue? [y/N] `)
ans, err := reader.ReadString('\n')
if err != nil {
return errors.Wrapf(err, "error reading input")
}
if strings.ToLower(ans)[0] != 'y' {
return nil
}
}
runtime, err := adapter.GetRuntime(getContext(), &c.PodmanCommand)
if err != nil {
return errors.Wrapf(err, "could not get runtime")