Use native git variants by default with go-git variants as build tag (#13673)

* Move last commit cache back into modules/git Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from the interface for last commit cache Signed-off-by: Andrew Thornton <art27@cantab.net> * move cacheref to last_commit_cache Signed-off-by: Andrew Thornton <art27@cantab.net> * Remove go-git from routers/private/hook Signed-off-by: Andrew Thornton <art27@cantab.net> * Move FindLFSFiles to pipeline Signed-off-by: Andrew Thornton <art27@cantab.net> * Make no-go-git variants Signed-off-by: Andrew Thornton <art27@cantab.net> * Submodule RefID Signed-off-by: Andrew Thornton <art27@cantab.net> * fix issue with GetCommitsInfo Signed-off-by: Andrew Thornton <art27@cantab.net> * fix GetLastCommitForPaths Signed-off-by: Andrew Thornton <art27@cantab.net> * Improve efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * More efficiency Signed-off-by: Andrew Thornton <art27@cantab.net> * even faster Signed-off-by: Andrew Thornton <art27@cantab.net> * Reduce duplication * As per @lunny Signed-off-by: Andrew Thornton <art27@cantab.net> * attempt to fix drone Signed-off-by: Andrew Thornton <art27@cantab.net> * fix test-tags Signed-off-by: Andrew Thornton <art27@cantab.net> * default to use no-go-git variants and add gogit build tag Signed-off-by: Andrew Thornton <art27@cantab.net> * placate lint Signed-off-by: Andrew Thornton <art27@cantab.net> * as per @6543 Signed-off-by: Andrew Thornton <art27@cantab.net> Co-authored-by: 6543 <6543@obermui.de> Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2020-12-17 14:00:47 +00:00 · 2020-12-17 14:00:47 +00:00 · 511f6138d4
commit 511f6138d4
parent 0851a89581
81 changed files with 3952 additions and 1492 deletions
--- a/modules/git/repo_branch_nogogit.go
+++ b/modules/git/repo_branch_nogogit.go
@ -0,0 +1,82 @@
+// Copyright 2015 The Gogs Authors. All rights reserved.
+// Copyright 2018 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"
+	"io"
+	"strings"
+)
+
+// IsBranchExist returns true if given branch exists in current repository.
+func (repo *Repository) IsBranchExist(name string) bool {
+	if name == "" {
+		return false
+	}
+	return IsReferenceExist(repo.Path, BranchPrefix+name)
+}
+
+// GetBranches returns all branches of the repository.
+func (repo *Repository) GetBranches() ([]string, error) {
+	return callShowRef(repo.Path, BranchPrefix, "--heads")
+}
+
+func callShowRef(repoPath, prefix, arg string) ([]string, error) {
+	var branchNames []string
+
+	stdoutReader, stdoutWriter := io.Pipe()
+	defer func() {
+		_ = stdoutReader.Close()
+		_ = stdoutWriter.Close()
+	}()
+
+	go func() {
+		stderrBuilder := &strings.Builder{}
+		err := NewCommand("show-ref", arg).RunInDirPipeline(repoPath, stdoutWriter, stderrBuilder)
+		if err != nil {
+			if stderrBuilder.Len() == 0 {
+				_ = stdoutWriter.Close()
+				return
+			}
+			_ = stdoutWriter.CloseWithError(ConcatenateError(err, stderrBuilder.String()))
+		} else {
+			_ = stdoutWriter.Close()
+		}
+	}()
+
+	bufReader := bufio.NewReader(stdoutReader)
+	for {
+		// The output of show-ref is simply a list:
+		// <sha> SP <ref> LF
+		_, err := bufReader.ReadSlice(' ')
+		for err == bufio.ErrBufferFull {
+			// This shouldn't happen but we'll tolerate it for the sake of peace
+			_, err = bufReader.ReadSlice(' ')
+		}
+		if err == io.EOF {
+			return branchNames, nil
+		}
+		if err != nil {
+			return nil, err
+		}
+
+		branchName, err := bufReader.ReadString('\n')
+		if err == io.EOF {
+			// This shouldn't happen... but we'll tolerate it for the sake of peace
+			return branchNames, nil
+		}
+		if err != nil {
+			return nil, err
+		}
+		branchName = strings.TrimPrefix(branchName, prefix)
+		if len(branchName) > 0 {
+			branchName = branchName[:len(branchName)-1]
+		}
+		branchNames = append(branchNames, branchName)
+	}
+}