| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package main |
| |
| import ( |
| "context" |
| "encoding/json" |
| "errors" |
| "fmt" |
| "os" |
| "strings" |
| |
| "github.com/maruel/subcommands" |
| "go.chromium.org/luci/auth" |
| |
| gerritpb "go.chromium.org/luci/common/proto/gerrit" |
| "go.fuchsia.dev/infra/gerrit" |
| "go.fuchsia.dev/infra/gitiles" |
| ) |
| |
| func cmdCreateCL(authOpts auth.Options) *subcommands.Command { |
| return &subcommands.Command{ |
| UsageLine: "create-cl -host <gerrit-host> -project <gerrit-project> -subject <cl-subject> -file-edit <filepath1>:<contents1>, ... -json-output <json-output> [-ref <ref>]", |
| ShortDesc: "Create a CL with file edits.", |
| LongDesc: "Create a CL with file edits.", |
| CommandRun: func() subcommands.CommandRun { |
| c := &createCLRun{} |
| c.Init(authOpts) |
| return c |
| }, |
| } |
| } |
| |
| type createCLRun struct { |
| commonFlags |
| edits fileEdits |
| subject string |
| jsonOutput string |
| ref string |
| } |
| |
| func (c *createCLRun) Init(defaultAuthOpts auth.Options) { |
| c.commonFlags.Init(defaultAuthOpts) |
| c.Flags.StringVar(&c.subject, "subject", "", "CL subject.") |
| c.Flags.Var(&c.edits, "file-edit", "filepath:content pairs. Repeatable.") |
| c.Flags.StringVar(&c.jsonOutput, "json-output", "", "Path to write gerrit.ChangeInfo to.") |
| c.Flags.StringVar(&c.ref, "ref", "refs/heads/main", "Ref to author CL against.") |
| } |
| |
| func (c *createCLRun) Parse(a subcommands.Application, args []string) error { |
| if err := c.commonFlags.Parse(); err != nil { |
| return err |
| } |
| if c.subject == "" { |
| return errors.New("-subject is required") |
| } |
| if len(c.edits) == 0 { |
| return errors.New("at least one -file-edit is required") |
| } |
| if c.jsonOutput == "" { |
| return errors.New("-json-output is required") |
| } |
| return nil |
| } |
| |
| // fileEdit represents a file to edit in a repository. |
| type fileEdit struct { |
| filepath string |
| contents string |
| } |
| |
| // String returns a string representation of the file edit. |
| func (e *fileEdit) String() string { |
| return fmt.Sprintf("%s:%s", e.filepath, e.contents) |
| } |
| |
| // newFileEdit returns a fileEdit for a filepath:contents string. |
| func newFileEdit(editStr string) (*fileEdit, error) { |
| fp, c, found := strings.Cut(editStr, ":") |
| if !found { |
| return nil, fmt.Errorf("%q is not of format filepath:contents", editStr) |
| } |
| return &fileEdit{filepath: fp, contents: c}, nil |
| } |
| |
| // fileEdits is a flag.Getter implementation representing a []*fileEdit. |
| type fileEdits []*fileEdit |
| |
| // String returns a comma-separated string representation of the flag file edits. |
| func (f fileEdits) String() string { |
| strs := make([]string, len(f)) |
| for i, edit := range f { |
| strs[i] = edit.String() |
| } |
| return strings.Join(strs, ", ") |
| } |
| |
| // Set records seeing a flag value. |
| func (f *fileEdits) Set(val string) error { |
| fe, err := newFileEdit(val) |
| if err != nil { |
| return err |
| } |
| *f = append(*f, fe) |
| return nil |
| } |
| |
| // Get retrieves the flag value. |
| func (f fileEdits) Get() any { |
| return []*fileEdit(f) |
| } |
| |
| func (c *createCLRun) main(a subcommands.Application) error { |
| ctx := context.Background() |
| authClient, err := newAuthClient(ctx, c.parsedAuthOpts) |
| if err != nil { |
| return err |
| } |
| gitilesClient, err := gitiles.NewClient(strings.Replace(c.gerritHost, "-review", "", 1), c.gerritProject, authClient) |
| if err != nil { |
| return err |
| } |
| gerritClient, err := gerrit.NewClient(c.gerritHost, c.gerritProject, authClient) |
| if err != nil { |
| return err |
| } |
| commit, err := gitilesClient.LatestCommit(ctx, c.ref) |
| if err != nil { |
| return err |
| } |
| changeInfo, err := gerritClient.CreateChange(ctx, c.subject, commit, c.ref) |
| if err != nil { |
| return err |
| } |
| for _, edit := range c.edits { |
| if err := gerritClient.EditFile(ctx, changeInfo.Number, edit.filepath, edit.contents); err != nil { |
| return err |
| } |
| } |
| if err := gerritClient.PublishEdits(ctx, changeInfo.Number); err != nil { |
| return err |
| } |
| // Grab post-edit ChangeInfo prior to dumping to JSON. |
| changeInfo, err = gerritClient.GetChange(ctx, changeInfo.Number, gerritpb.QueryOption_ALL_REVISIONS) |
| if err != nil { |
| return err |
| } |
| out := os.Stdout |
| if c.jsonOutput != "-" { |
| out, err = os.Create(c.jsonOutput) |
| if err != nil { |
| return err |
| } |
| defer out.Close() |
| } |
| if err := json.NewEncoder(out).Encode(changeInfo); err != nil { |
| return fmt.Errorf("failed to encode: %w", err) |
| } |
| return nil |
| } |
| |
| func (c *createCLRun) Run(a subcommands.Application, args []string, env subcommands.Env) int { |
| if err := c.Parse(a, args); err != nil { |
| fmt.Fprintf(a.GetErr(), "%s: %s\n", a.GetName(), err) |
| return 1 |
| } |
| |
| if err := c.main(a); err != nil { |
| fmt.Fprintf(a.GetErr(), "%s: %s\n", a.GetName(), err) |
| return 1 |
| } |
| return 0 |
| } |