86 lines
3.0 KiB
Go
86 lines
3.0 KiB
Go
// Copyright 2023 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package pull
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import (
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"fmt"
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repo_model "code.gitea.io/gitea/models/repo"
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user_model "code.gitea.io/gitea/models/user"
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"code.gitea.io/gitea/modules/container"
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"code.gitea.io/gitea/modules/git"
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"code.gitea.io/gitea/modules/log"
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"code.gitea.io/gitea/modules/setting"
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)
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// doMergeStyleSquash gets a commit author signature for squash commits
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func getAuthorSignatureSquash(ctx *mergeContext) (*git.Signature, error) {
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if err := ctx.pr.Issue.LoadPoster(ctx); err != nil {
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log.Error("%-v Issue[%d].LoadPoster: %v", ctx.pr, ctx.pr.Issue.ID, err)
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return nil, err
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}
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// Try to get an signature from the same user in one of the commits, as the
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// poster email might be private or commits might have a different signature
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// than the primary email address of the poster.
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gitRepo, closer, err := git.RepositoryFromContextOrOpen(ctx, ctx.tmpBasePath)
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if err != nil {
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log.Error("%-v Unable to open base repository: %v", ctx.pr, err)
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return nil, err
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}
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defer closer.Close()
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commits, err := gitRepo.CommitsBetweenIDs(trackingBranch, "HEAD")
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if err != nil {
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log.Error("%-v Unable to get commits between: %s %s: %v", ctx.pr, "HEAD", trackingBranch, err)
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return nil, err
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}
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uniqueEmails := make(container.Set[string])
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for _, commit := range commits {
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if commit.Author != nil && uniqueEmails.Add(commit.Author.Email) {
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commitUser, _ := user_model.GetUserByEmail(ctx, commit.Author.Email)
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if commitUser != nil && commitUser.ID == ctx.pr.Issue.Poster.ID {
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return commit.Author, nil
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}
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}
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}
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return ctx.pr.Issue.Poster.NewGitSig(), nil
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}
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// doMergeStyleSquash squashes the tracking branch on the current HEAD (=base)
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func doMergeStyleSquash(ctx *mergeContext, message string) error {
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sig, err := getAuthorSignatureSquash(ctx)
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if err != nil {
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return fmt.Errorf("getAuthorSignatureSquash: %w", err)
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}
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cmdMerge := git.NewCommand(ctx, "merge", "--squash").AddDynamicArguments(trackingBranch)
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if err := runMergeCommand(ctx, repo_model.MergeStyleSquash, cmdMerge); err != nil {
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log.Error("%-v Unable to merge --squash tracking into base: %v", ctx.pr, err)
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return err
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}
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if setting.Repository.PullRequest.AddCoCommitterTrailers && ctx.committer.String() != sig.String() {
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// add trailer
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message += fmt.Sprintf("\nCo-authored-by: %s\nCo-committed-by: %s\n", sig.String(), sig.String())
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}
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cmdCommit := git.NewCommand(ctx, "commit").
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AddOptionFormat("--author='%s <%s>'", sig.Name, sig.Email).
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AddOptionFormat("--message=%s", message)
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if ctx.signKeyID == "" {
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cmdCommit.AddArguments("--no-gpg-sign")
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} else {
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cmdCommit.AddOptionFormat("-S%s", ctx.signKeyID)
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}
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if err := cmdCommit.Run(ctx.RunOpts()); err != nil {
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log.Error("git commit %-v: %v\n%s\n%s", ctx.pr, err, ctx.outbuf.String(), ctx.errbuf.String())
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return fmt.Errorf("git commit [%s:%s -> %s:%s]: %w\n%s\n%s", ctx.pr.HeadRepo.FullName(), ctx.pr.HeadBranch, ctx.pr.BaseRepo.FullName(), ctx.pr.BaseBranch, err, ctx.outbuf.String(), ctx.errbuf.String())
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}
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ctx.outbuf.Reset()
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ctx.errbuf.Reset()
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return nil
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}
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