/
manifest.go
129 lines (111 loc) · 2.7 KB
/
manifest.go
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// Copyright © 2019 Alibaba Co. Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package cmd
import (
"io"
"os"
"github.com/alibaba/git-repo-go/file"
"github.com/alibaba/git-repo-go/manifest"
log "github.com/jiangxin/multi-log"
"github.com/spf13/cobra"
)
type manifestCommand struct {
WorkSpaceCommand
cmd *cobra.Command
O struct {
PegRev bool
PegRevNoUpstream bool
OutputFile string
}
}
func (v *manifestCommand) Command() *cobra.Command {
if v.cmd != nil {
return v.cmd
}
v.cmd = &cobra.Command{
Use: "manifest",
Short: "Manifest inspection utility",
RunE: func(cmd *cobra.Command, args []string) error {
return v.Execute(args)
},
}
v.cmd.Flags().BoolVarP(&v.O.PegRev,
"revision-as-HEAD",
"r",
false,
"Save revisions as current HEAD")
v.cmd.Flags().BoolVar(&v.O.PegRevNoUpstream,
"suppress-upstream-revision",
false,
"If in -r mode, do not write the upstream field. "+
"Only of use if the branch names for a sha1 "+
"manifest are sensitive.")
v.cmd.Flags().StringVarP(&v.O.OutputFile,
"output-file",
"o",
"-",
"File to save the manifest to")
return v.cmd
}
func (v manifestCommand) WriteManifest(writer io.Writer) error {
ws := v.RepoWorkSpace()
if v.O.PegRev {
err := ws.FreezeManifest(!v.O.PegRevNoUpstream)
if err != nil {
return err
}
}
data, err := manifest.Marshal(ws.Manifest)
if err != nil {
return err
}
_, err = writer.Write(data)
if err != nil {
return err
}
if data[len(data)-1] != '\n' {
writer.Write([]byte("\n"))
}
if v.O.OutputFile != "-" {
log.Notef("Saved manifest to %s", v.O.OutputFile)
}
return nil
}
func (v manifestCommand) Execute(args []string) error {
var (
writer io.ReadWriteCloser
)
if v.O.OutputFile == "" {
log.Fatal("no output file, no operation to perform")
} else if v.O.OutputFile == "-" {
writer = os.Stdout
} else {
file, err := file.New(v.O.OutputFile).OpenCreateRewrite()
if err != nil {
return err
}
writer = file
defer file.Close()
}
return v.WriteManifest(writer)
}
var manifestCmd = manifestCommand{
WorkSpaceCommand: WorkSpaceCommand{
MirrorOK: true,
SingleOK: false,
},
}
func init() {
rootCmd.AddCommand(manifestCmd.Command())
}