Fix partial cloning a repo (#18373)

integrations/git_helper_for_declarative_test.go

@@ -123,6 +123,17 @@ func doGitClone(dstLocalPath string, u *url.URL) func(*testing.T) {
 	}
 }
 
+func doPartialGitClone(dstLocalPath string, u *url.URL) func(*testing.T) {
+	return func(t *testing.T) {
+		assert.NoError(t, git.CloneWithArgs(context.Background(), u.String(), dstLocalPath, allowLFSFilters(), git.CloneRepoOptions{
+			Filter: "blob:none",
+		}))
+		exist, err := util.IsExist(filepath.Join(dstLocalPath, "README.md"))
+		assert.NoError(t, err)
+		assert.True(t, exist)
+	}
+}
+
 func doGitCloneFail(u *url.URL) func(*testing.T) {
 	return func(t *testing.T) {
 		tmpDir, err := os.MkdirTemp("", "doGitCloneFail")

integrations/git_test.go

@@ -69,6 +69,12 @@ func testGit(t *testing.T, u *url.URL) {
 
 		t.Run("Clone", doGitClone(dstPath, u))
 
+		dstPath2, err := os.MkdirTemp("", httpContext.Reponame)
+		assert.NoError(t, err)
+		defer util.RemoveAll(dstPath2)
+
+		t.Run("Partial Clone", doPartialGitClone(dstPath2, u))
+
 		little, big := standardCommitAndPushTest(t, dstPath)
 		littleLFS, bigLFS := lfsCommitAndPushTest(t, dstPath)
 		rawTest(t, &httpContext, little, big, littleLFS, bigLFS)

modules/git/diff.go

@@ -90,6 +90,8 @@ func GetRepoRawDiffForFile(repo *Repository, startCommit, endCommit string, diff
 	cmd.Dir = repo.Path
 	cmd.Stdout = writer
 	cmd.Stderr = stderr
+	gArgs := git.GlobalCommandArgs
+	cmd.Args = append(gArgs, cmd.Args...)
 
 	if err = cmd.Run(); err != nil {
 		return fmt.Errorf("Run: %v - %s", err, stderr)

modules/git/repo.go

@@ -101,6 +101,7 @@ type CloneRepoOptions struct {
 	Shared     bool
 	NoCheckout bool
 	Depth      int
+	Filter     string
 }
 
 // Clone clones original repository to target path.
@@ -141,7 +142,9 @@ func CloneWithArgs(ctx context.Context, from, to string, args []string, opts Clo
 	if opts.Depth > 0 {
 		cmd.AddArguments("--depth", strconv.Itoa(opts.Depth))
 	}
-
+	if opts.Filter != "" {
+		cmd.AddArguments("--filter", opts.Filter)
+	}
 	if len(opts.Branch) > 0 {
 		cmd.AddArguments("-b", opts.Branch)
 	}

routers/web/repo/http.go

@@ -494,6 +494,8 @@ func serviceRPC(h serviceHandler, service string) {
 	cmd := exec.CommandContext(ctx, git.GitExecutable, service, "--stateless-rpc", h.dir)
 	cmd.Dir = h.dir
 	cmd.Env = append(os.Environ(), h.environ...)
+	gArgs := git.GlobalCommandArgs
+	cmd.Args = append(gArgs, cmd.Args...)
 	cmd.Stdout = h.w
 	cmd.Stdin = reqBody
 	cmd.Stderr = &stderr