Merge pull request #2 from Ithrael/revert-1-fix/helm-rollback-err-tips

Revert "fix: helm rollback err tips"

pkg/action/rollback.go

@@ -110,24 +110,6 @@ func (r *Rollback) prepareRollback(name string) (*release.Release, *release.Rele
 		previousVersion = currentRelease.Version - 1
 	}
 
-	historyReleases, err := r.cfg.Releases.History(name)
-	if err != nil {
-		return nil, nil, err
-	}
-
-	// Check if the history version to be rolled back exists
-	previousVersionExist := false
-	for _, historyRelease := range historyReleases {
-		version := historyRelease.Version
-		if previousVersion == version {
-			previousVersionExist = true
-			break
-		}
-	}
-	if !previousVersionExist {
-		return nil, nil, errors.Errorf("release has no %d version", previousVersion)
-	}
-
 	r.cfg.Log("rolling back %s (current: v%d, target: v%d)", name, currentRelease.Version, previousVersion)
 
 	previousRelease, err := r.cfg.Releases.Get(name, previousVersion)