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Append to existing trailers in generated squash commit message (#15980)

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* Remove superfluous newline before Co-authored-by trailers

* Append to existing PR description trailer section

If the existing PR description message already contains a trailer section (e.g. Signed-off-by: ),
append to it instead of creating a new trailer section.

* Reuse compiled regexp

* Simplify regex and deal with trailing \n in PR description

* Add tests for CommitMessageTrailersPattern

- add support for Key:Value (no space after colon)
- add support for whitespace "folding"

* Update services/pull/pull_test.go

Co-authored-by: Norwin <noerw@users.noreply.github.com>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Norwin <noerw@users.noreply.github.com>
Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: techknowlogick <techknowlogick@gitea.io>
This commit is contained in:
Jimmy Praet
2021-06-25 19:01:43 +02:00
committed by GitHub
parent 31acd3c0c2
commit 06f483d0c4
2 changed files with 31 additions and 9 deletions
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17
services/pull/pull.go
View File

@@ -9,6 +9,7 @@ import (
"bytes"
"context"
"fmt"
"regexp"
"strings"
"time"
@@ -528,6 +529,8 @@ func CloseRepoBranchesPulls(doer *models.User, repo *models.Repository) error {
return nil
}
var commitMessageTrailersPattern = regexp.MustCompile(`(?:^|\n\n)(?:[\w-]+[ \t]*:[^\n]+\n*(?:[ \t]+[^\n]+\n*)*)+$`)
// GetSquashMergeCommitMessages returns the commit messages between head and merge base (if there is one)
func GetSquashMergeCommitMessages(pr *models.PullRequest) string {
if err := pr.LoadIssue(); err != nil {
@@ -583,10 +586,13 @@ func GetSquashMergeCommitMessages(pr *models.PullRequest) string {
stringBuilder := strings.Builder{}
if !setting.Repository.PullRequest.PopulateSquashCommentWithCommitMessages {
stringBuilder.WriteString(pr.Issue.Content)
message := strings.TrimSpace(pr.Issue.Content)
stringBuilder.WriteString(message)
if stringBuilder.Len() > 0 {
stringBuilder.WriteRune('\n')
stringBuilder.WriteRune('\n')
if !commitMessageTrailersPattern.MatchString(message) {
stringBuilder.WriteRune('\n')
}
}
}
@@ -657,13 +663,6 @@ func GetSquashMergeCommitMessages(pr *models.PullRequest) string {
}
}
if len(authors) > 0 {
if _, err := stringBuilder.WriteRune('\n'); err != nil {
log.Error("Unable to write to string builder Error: %v", err)
return ""
}
}
for _, author := range authors {
if _, err := stringBuilder.Write([]byte("Co-authored-by: ")); err != nil {
log.Error("Unable to write to string builder Error: %v", err)