github.com/canthefason/helm@v2.2.1-0.20170221172616-16b043b8d505+incompatible/cmd/helm/repo_remove.go (about) 1 /* 2 Copyright 2016 The Kubernetes Authors All rights reserved. 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 24 "github.com/spf13/cobra" 25 26 "k8s.io/helm/cmd/helm/helmpath" 27 "k8s.io/helm/pkg/repo" 28 ) 29 30 type repoRemoveCmd struct { 31 out io.Writer 32 name string 33 home helmpath.Home 34 } 35 36 func newRepoRemoveCmd(out io.Writer) *cobra.Command { 37 remove := &repoRemoveCmd{ 38 out: out, 39 } 40 41 cmd := &cobra.Command{ 42 Use: "remove [flags] [NAME]", 43 Aliases: []string{"rm"}, 44 Short: "remove a chart repository", 45 RunE: func(cmd *cobra.Command, args []string) error { 46 if err := checkArgsLength(len(args), "name of chart repository"); err != nil { 47 return err 48 } 49 remove.name = args[0] 50 remove.home = helmpath.Home(homePath()) 51 52 return remove.run() 53 }, 54 } 55 56 return cmd 57 } 58 59 func (r *repoRemoveCmd) run() error { 60 return removeRepoLine(r.out, r.name, r.home) 61 } 62 63 func removeRepoLine(out io.Writer, name string, home helmpath.Home) error { 64 repoFile := home.RepositoryFile() 65 r, err := repo.LoadRepositoriesFile(repoFile) 66 if err != nil { 67 return err 68 } 69 70 if !r.Remove(name) { 71 return fmt.Errorf("no repo named %q found", name) 72 } 73 if err := r.WriteFile(repoFile, 0644); err != nil { 74 return err 75 } 76 77 if err := removeRepoCache(name, home); err != nil { 78 return err 79 } 80 81 fmt.Fprintf(out, "%q has been removed from your repositories\n", name) 82 83 return nil 84 } 85 86 func removeRepoCache(name string, home helmpath.Home) error { 87 if _, err := os.Stat(home.CacheIndex(name)); err == nil { 88 err = os.Remove(home.CacheIndex(name)) 89 if err != nil { 90 return err 91 } 92 } 93 return nil 94 }