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[gitea] Refactor parseSignatureFromCommitLine (#29054)

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Replace #28849. Thanks to @yp05327 for the looking into the problem.
Fix #28840

The old behavior of newSignatureFromCommitline is not right. The new
parseSignatureFromCommitLine:

1. never fails
2. only accept one format (if there is any other, it could be easily added)

And add some tests.

(cherry picked from commit a24e1da7e9e38fc5f5c84c083d122c0cc3da4b74)
This commit is contained in:
wxiaoguang 2024-02-09 11:02:53 +08:00 • committed by Earl Warren
parent 045bd097c6
commit 83bb3cf86a
No known key found for this signature in database
GPG key ID: 0579CB2928A78A00
8 changed files with 104 additions and 149 deletions
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44
modules/git/signature_gogit.go
View file

@ -7,52 +7,8 @@
package git
import (
"bytes"
"strconv"
"strings"
"time"
"github.com/go-git/go-git/v5/plumbing/object"
)
// Signature represents the Author or Committer information.
type Signature = object.Signature
// Helper to get a signature from the commit line, which looks like these:
//
// author Patrick Gundlach <gundlach@speedata.de> 1378823654 +0200
// author Patrick Gundlach <gundlach@speedata.de> Thu, 07 Apr 2005 22:13:13 +0200
//
// but without the "author " at the beginning (this method should)
// be used for author and committer.
//
// FIXME: include timezone for timestamp!
func newSignatureFromCommitline(line []byte) (_ *Signature, err error) {
sig := new(Signature)
emailStart := bytes.IndexByte(line, '<')
if emailStart > 0 { // Empty name has already occurred, even if it shouldn't
sig.Name = strings.TrimSpace(string(line[:emailStart-1]))
}
emailEnd := bytes.IndexByte(line, '>')
sig.Email = string(line[emailStart+1 : emailEnd])
// Check date format.
if len(line) > emailEnd+2 {
firstChar := line[emailEnd+2]
if firstChar >= 48 && firstChar <= 57 {
timestop := bytes.IndexByte(line[emailEnd+2:], ' ')
timestring := string(line[emailEnd+2 : emailEnd+2+timestop])
seconds, _ := strconv.ParseInt(timestring, 10, 64)
sig.When = time.Unix(seconds, 0)
} else {
sig.When, err = time.Parse(GitTimeLayout, string(line[emailEnd+2:]))
if err != nil {
return nil, err
}
}
} else {
// Fall back to unix 0 time
sig.When = time.Unix(0, 0)
}
return sig, nil
}