github.com/nickgerace/rancher-helm@v3.0.0-beta.3+incompatible/cmd/helm/repo_remove.go (about) 1 /* 2 Copyright The Helm Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package main 18 19 import ( 20 "fmt" 21 "io" 22 "os" 23 "path/filepath" 24 25 "github.com/pkg/errors" 26 "github.com/spf13/cobra" 27 28 "helm.sh/helm/cmd/helm/require" 29 "helm.sh/helm/pkg/helmpath" 30 "helm.sh/helm/pkg/repo" 31 ) 32 33 type repoRemoveOptions struct { 34 name string 35 repoFile string 36 repoCache string 37 } 38 39 func newRepoRemoveCmd(out io.Writer) *cobra.Command { 40 o := &repoRemoveOptions{} 41 cmd := &cobra.Command{ 42 Use: "remove [NAME]", 43 Aliases: []string{"rm"}, 44 Short: "remove a chart repository", 45 Args: require.ExactArgs(1), 46 RunE: func(cmd *cobra.Command, args []string) error { 47 o.repoFile = settings.RepositoryConfig 48 o.repoCache = settings.RepositoryCache 49 o.name = args[0] 50 return o.run(out) 51 }, 52 } 53 54 return cmd 55 } 56 57 func (o *repoRemoveOptions) run(out io.Writer) error { 58 r, err := repo.LoadFile(o.repoFile) 59 if isNotExist(err) || len(r.Repositories) == 0 { 60 return errors.New("no repositories configured") 61 } 62 63 if !r.Remove(o.name) { 64 return errors.Errorf("no repo named %q found", o.name) 65 } 66 if err := r.WriteFile(o.repoFile, 0644); err != nil { 67 return err 68 } 69 70 if err := removeRepoCache(o.repoCache, o.name); err != nil { 71 return err 72 } 73 74 fmt.Fprintf(out, "%q has been removed from your repositories\n", o.name) 75 return nil 76 } 77 78 func removeRepoCache(root, name string) error { 79 idx := filepath.Join(root, helmpath.CacheIndexFile(name)) 80 if _, err := os.Stat(idx); os.IsNotExist(err) { 81 return nil 82 } else if err != nil { 83 return errors.Wrapf(err, "can't remove index file %s", idx) 84 } 85 return os.Remove(idx) 86 }