115 lines
2.8 KiB
Go
115 lines
2.8 KiB
Go
// Copyright 2020 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.
|
|
|
|
// +build !gogit
|
|
|
|
package git
|
|
|
|
import (
|
|
"bufio"
|
|
"errors"
|
|
"fmt"
|
|
"io"
|
|
"io/ioutil"
|
|
"strings"
|
|
)
|
|
|
|
// ResolveReference resolves a name to a reference
|
|
func (repo *Repository) ResolveReference(name string) (string, error) {
|
|
stdout, err := NewCommand("show-ref", "--hash", name).RunInDir(repo.Path)
|
|
if err != nil {
|
|
if strings.Contains(err.Error(), "not a valid ref") {
|
|
return "", ErrNotExist{name, ""}
|
|
}
|
|
return "", err
|
|
}
|
|
stdout = strings.TrimSpace(stdout)
|
|
if stdout == "" {
|
|
return "", ErrNotExist{name, ""}
|
|
}
|
|
|
|
return stdout, nil
|
|
}
|
|
|
|
// GetRefCommitID returns the last commit ID string of given reference (branch or tag).
|
|
func (repo *Repository) GetRefCommitID(name string) (string, error) {
|
|
stdout, err := NewCommand("show-ref", "--verify", "--hash", name).RunInDir(repo.Path)
|
|
if err != nil {
|
|
if strings.Contains(err.Error(), "not a valid ref") {
|
|
return "", ErrNotExist{name, ""}
|
|
}
|
|
return "", err
|
|
}
|
|
|
|
return strings.TrimSpace(stdout), nil
|
|
}
|
|
|
|
// IsCommitExist returns true if given commit exists in current repository.
|
|
func (repo *Repository) IsCommitExist(name string) bool {
|
|
_, err := NewCommand("cat-file", "-e", name).RunInDir(repo.Path)
|
|
return err == nil
|
|
}
|
|
|
|
func (repo *Repository) getCommit(id SHA1) (*Commit, error) {
|
|
stdoutReader, stdoutWriter := io.Pipe()
|
|
defer func() {
|
|
_ = stdoutReader.Close()
|
|
_ = stdoutWriter.Close()
|
|
}()
|
|
|
|
go func() {
|
|
stderr := strings.Builder{}
|
|
err := NewCommand("cat-file", "--batch").RunInDirFullPipeline(repo.Path, stdoutWriter, &stderr, strings.NewReader(id.String()+"\n"))
|
|
if err != nil {
|
|
_ = stdoutWriter.CloseWithError(ConcatenateError(err, (&stderr).String()))
|
|
} else {
|
|
_ = stdoutWriter.Close()
|
|
}
|
|
}()
|
|
|
|
bufReader := bufio.NewReader(stdoutReader)
|
|
_, typ, size, err := ReadBatchLine(bufReader)
|
|
if err != nil {
|
|
if errors.Is(err, io.EOF) {
|
|
return nil, ErrNotExist{ID: id.String()}
|
|
}
|
|
return nil, err
|
|
}
|
|
|
|
switch typ {
|
|
case "missing":
|
|
return nil, ErrNotExist{ID: id.String()}
|
|
case "tag":
|
|
// then we need to parse the tag
|
|
// and load the commit
|
|
data, err := ioutil.ReadAll(io.LimitReader(bufReader, size))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
tag, err := parseTagData(data)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
tag.repo = repo
|
|
|
|
commit, err := tag.Commit()
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
commit.CommitMessage = strings.TrimSpace(tag.Message)
|
|
commit.Author = tag.Tagger
|
|
commit.Signature = tag.Signature
|
|
|
|
return commit, nil
|
|
case "commit":
|
|
return CommitFromReader(repo, id, io.LimitReader(bufReader, size))
|
|
default:
|
|
_ = stdoutReader.CloseWithError(fmt.Errorf("unknown typ: %s", typ))
|
|
log("Unknown typ: %s", typ)
|
|
return nil, ErrNotExist{
|
|
ID: id.String(),
|
|
}
|
|
}
|
|
}
|