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- // Copyright 2015 The Gogs Authors. All rights reserved.
- // Copyright 2019 The Gitea Authors. All rights reserved.
- // Use of this source code is governed by a MIT-style
- // license that can be found in the LICENSE file.
-
- //go:build !gogit
- // +build !gogit
-
- package git
-
- import (
- "bytes"
- "fmt"
- "strconv"
- "time"
- )
-
- // Signature represents the Author or Committer information.
- type Signature struct {
- // Name represents a person name. It is an arbitrary string.
- Name string
- // Email is an email, but it cannot be assumed to be well-formed.
- Email string
- // When is the timestamp of the signature.
- When time.Time
- }
-
- func (s *Signature) String() string {
- return fmt.Sprintf("%s <%s>", s.Name, s.Email)
- }
-
- // Decode decodes a byte array representing a signature to signature
- func (s *Signature) Decode(b []byte) {
- sig, _ := newSignatureFromCommitline(b)
- s.Email = sig.Email
- s.Name = sig.Name
- s.When = sig.When
- }
-
- // 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.
- func newSignatureFromCommitline(line []byte) (sig *Signature, err error) {
- sig = new(Signature)
- emailStart := bytes.LastIndexByte(line, '<')
- emailEnd := bytes.LastIndexByte(line, '>')
- if emailStart == -1 || emailEnd == -1 || emailEnd < emailStart {
- return
- }
-
- sig.Name = string(line[:emailStart-1])
- sig.Email = string(line[emailStart+1 : emailEnd])
-
- hasTime := emailEnd+2 < len(line)
- if !hasTime {
- return
- }
-
- // Check date format.
- firstChar := line[emailEnd+2]
- if firstChar >= 48 && firstChar <= 57 {
- idx := bytes.IndexByte(line[emailEnd+2:], ' ')
- if idx < 0 {
- return
- }
-
- timestring := string(line[emailEnd+2 : emailEnd+2+idx])
- seconds, _ := strconv.ParseInt(timestring, 10, 64)
- sig.When = time.Unix(seconds, 0)
-
- idx += emailEnd + 3
- if idx >= len(line) || idx+5 > len(line) {
- return
- }
-
- timezone := string(line[idx : idx+5])
- tzhours, err1 := strconv.ParseInt(timezone[0:3], 10, 64)
- tzmins, err2 := strconv.ParseInt(timezone[3:], 10, 64)
- if err1 != nil || err2 != nil {
- return
- }
- if tzhours < 0 {
- tzmins *= -1
- }
- tz := time.FixedZone("", int(tzhours*60*60+tzmins*60))
- sig.When = sig.When.In(tz)
- } else {
- sig.When, err = time.Parse(GitTimeLayout, string(line[emailEnd+2:]))
- if err != nil {
- return
- }
- }
- return
- }
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