Sync .gitattributes to repo.git/info/attributes.

Author: KN4CK3R

services/repository/attributes.go

@@ -0,0 +1,51 @@
+// Copyright 2021 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.
+
+package repository
+
+import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+
+	"code.gitea.io/gitea/modules/git"
+)
+
+// SyncGitAttributes copies the content of the .gitattributes file from the default branch into repo.git/info/attributes.
+func SyncGitAttributes(gitRepo *git.Repository, sourceBranch string) error {
+	commit, err := gitRepo.GetBranchCommit(sourceBranch)
+	if err != nil {
+		return err
+	}
+
+	attributesBlob, err := commit.GetBlobByPath("/.gitattributes")
+	if err != nil {
+		if git.IsErrNotExist(err) {
+			return nil
+		}
+		return err
+	}
+
+	infoPath := filepath.Join(gitRepo.Path, "info")
+	if err := os.MkdirAll(infoPath, 0700); err != nil {
+		return fmt.Errorf("Error creating directory [%s]: %v", infoPath, err)
+	}
+	attributesPath := filepath.Join(infoPath, "attributes")
+
+	attributesFile, err := os.OpenFile(attributesPath, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return fmt.Errorf("Error creating file [%s]: %v", attributesPath, err)
+	}
+	defer attributesFile.Close()
+
+	blobReader, err := attributesBlob.DataAsync()
+	if err != nil {
+		return err
+	}
+	defer blobReader.Close()
+
+	_, err = io.Copy(attributesFile, blobReader)
+	return err
+}

services/repository/push.go

@@ -207,6 +207,12 @@ func pushUpdates(optsList []*repo_module.PushUpdateOptions) error {
 					log.Error("models.RemoveDeletedBranch %s/%s failed: %v", repo.ID, branch, err)
 				}
 
+				if branch == repo.DefaultBranch {
+					if err := SyncGitAttributes(gitRepo, repo.DefaultBranch); err != nil {
+						log.Error("SyncGitAttributes for %s failed: %v", repo.ID, err)
+					}
+				}
+
 				// Cache for big repository
 				if err := repo_module.CacheRef(graceful.GetManager().HammerContext(), repo, gitRepo, opts.RefFullName); err != nil {
 					log.Error("repo_module.CacheRef %s/%s failed: %v", repo.ID, branch, err)