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Refactor reflog commit loader

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No functional changes
This commit is contained in:
Jesse Duffield 2023-07-29 09:02:56 +10:00
parent 862ebd25cb
commit 272e021c08
1 changed files with 31 additions and 19 deletions
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50
pkg/commands/git_commands/reflog_commit_loader.go
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@ -35,34 +35,19 @@ func (self *ReflogCommitLoader) GetReflogCommits(lastReflogCommit *models.Commit
ToArgv()
cmdObj := self.cmd.New(cmdArgs).DontLog()
onlyObtainedNewReflogCommits := false
err := cmdObj.RunAndProcessLines(func(line string) (bool, error) {
fields := strings.SplitN(line, "\x00", 4)
if len(fields) <= 3 {
commit, ok := self.parseLine(line)
if !ok {
return false, nil
}
unixTimestamp, _ := strconv.Atoi(fields[1])
parentHashes := fields[3]
parents := []string{}
if len(parentHashes) > 0 {
parents = strings.Split(parentHashes, " ")
}
commit := &models.Commit{
Sha: fields[0],
Name: fields[2],
UnixTimestamp: int64(unixTimestamp),
Status: models.StatusReflog,
Parents: parents,
}
// note that the unix timestamp here is the timestamp of the COMMIT, not the reflog entry itself,
// so two consecutive reflog entries may have both the same SHA and therefore same timestamp.
// We use the reflog message to disambiguate, and fingers crossed that we never see the same of those
// twice in a row. Reason being that it would mean we'd be erroneously exiting early.
if lastReflogCommit != nil && commit.Sha == lastReflogCommit.Sha && commit.UnixTimestamp == lastReflogCommit.UnixTimestamp && commit.Name == lastReflogCommit.Name {
if lastReflogCommit != nil && self.sameReflogCommit(commit, lastReflogCommit) {
onlyObtainedNewReflogCommits = true
// after this point we already have these reflogs loaded so we'll simply return the new ones
return true, nil
@ -77,3 +62,30 @@ func (self *ReflogCommitLoader) GetReflogCommits(lastReflogCommit *models.Commit
return commits, onlyObtainedNewReflogCommits, nil
}
func (self *ReflogCommitLoader) sameReflogCommit(a *models.Commit, b *models.Commit) bool {
return a.Sha == b.Sha && a.UnixTimestamp == b.UnixTimestamp && a.Name == b.Name
}
func (self *ReflogCommitLoader) parseLine(line string) (*models.Commit, bool) {
fields := strings.SplitN(line, "\x00", 4)
if len(fields) <= 3 {
return nil, false
}
unixTimestamp, _ := strconv.Atoi(fields[1])
parentHashes := fields[3]
parents := []string{}
if len(parentHashes) > 0 {
parents = strings.Split(parentHashes, " ")
}
return &models.Commit{
Sha: fields[0],
Name: fields[2],
UnixTimestamp: int64(unixTimestamp),
Status: models.StatusReflog,
Parents: parents,
}, true
}