100 lines
2.7 KiB
Go
100 lines
2.7 KiB
Go
/*
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Copyright 2016 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package commands
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import (
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"errors"
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"flag"
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"fmt"
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"github.com/google/git-appraise/repository"
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"github.com/google/git-appraise/review"
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)
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var rebaseFlagSet = flag.NewFlagSet("rebase", flag.ExitOnError)
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var (
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rebaseArchive = rebaseFlagSet.Bool("archive", true, "Prevent the original commit from being garbage collected.")
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rebaseSign = rebaseFlagSet.Bool("S", false,
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"Sign the contents of the request after the rebase")
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)
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// Validate that the user's request to rebase a review makes sense.
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//
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// This checks both that the request is well formed, and that the
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// corresponding review is in a state where rebasing is appropriate.
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func validateRebaseRequest(repo repository.Repo, args []string) (*review.Review, error) {
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var r *review.Review
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var err error
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if len(args) > 1 {
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return nil, errors.New("Only rebasing a single review is supported.")
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}
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if len(args) == 1 {
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r, err = review.Get(repo, args[0])
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} else {
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r, err = review.GetCurrent(repo)
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}
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if err != nil {
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return nil, fmt.Errorf("Failed to load the review: %v\n", err)
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}
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if r == nil {
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return nil, errors.New("There is no matching review.")
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}
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if r.Submitted {
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return nil, errors.New("The review has already been submitted.")
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}
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if r.Request.TargetRef == "" {
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return nil, errors.New("The review was abandoned.")
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}
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target := r.Request.TargetRef
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if err := repo.VerifyGitRef(target); err != nil {
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return nil, err
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}
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return r, nil
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}
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// Rebase the current code review.
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//
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// The "args" parameter contains all of the command line arguments that followed the subcommand.
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func rebaseReview(repo repository.Repo, args []string) error {
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rebaseFlagSet.Parse(args)
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args = rebaseFlagSet.Args()
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r, err := validateRebaseRequest(repo, args)
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if err != nil {
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return err
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}
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if *rebaseSign {
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return r.RebaseAndSign(*rebaseArchive)
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}
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return r.Rebase(*rebaseArchive)
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}
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// rebaseCmd defines the "rebase" subcommand.
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var rebaseCmd = &Command{
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Usage: func(arg0 string) {
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fmt.Printf("Usage: %s rebase [<option>...] [<review-hash>]\n\nOptions:\n", arg0)
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rebaseFlagSet.PrintDefaults()
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},
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RunMethod: func(repo repository.Repo, args []string) error {
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return rebaseReview(repo, args)
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},
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}
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