Fix partial cloning a repo (go-gitea#18373)

- Pass the Global command args into serviceRPC.
- Fixes error with partial cloning.
- Add partial clone test
- Include diff

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>

integrations/git_helper_for_declarative_test.go

@@ -122,6 +122,17 @@ 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

@@ -81,7 +81,7 @@ func GetRepoRawDiffForFile(repo *Repository, startCommit, endCommit string, diff
 	}
 
 	stderr := new(bytes.Buffer)
-	cmd := NewCommandContextNoGlobals(repo.Ctx, args...)
+	cmd := NewCommandContext(repo.Ctx, args...)
 	if err = cmd.RunWithContext(&RunContext{
 		Timeout: -1,
 		Dir:     repo.Path,

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.
@@ -136,7 +137,9 @@ 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

@@ -485,7 +485,7 @@ func serviceRPC(ctx gocontext.Context, h serviceHandler, service string) {
 	}
 
 	var stderr bytes.Buffer
-	cmd := git.NewCommandContextNoGlobals(h.r.Context(), service, "--stateless-rpc", h.dir)
+	cmd := git.NewCommandContext(h.r.Context(), service, "--stateless-rpc", h.dir)
 	cmd.SetDescription(fmt.Sprintf("%s %s %s [repo_path: %s]", git.GitExecutable, service, "--stateless-rpc", h.dir))
 	if err := cmd.RunWithContext(&git.RunContext{
 		Timeout: -1,

services/gitdiff/gitdiff.go

@@ -1376,7 +1376,7 @@ func GetDiff(gitRepo *git.Repository, opts *DiffOptions, files ...string) (*Diff
 	}()
 
 	go func(ctx context.Context, diffArgs []string, repoPath string, writer *io.PipeWriter) {
-		cmd := git.NewCommandContextNoGlobals(ctx, diffArgs...)
+		cmd := git.NewCommandContext(ctx, diffArgs...)
 		cmd.SetDescription(fmt.Sprintf("GetDiffRange [repo_path: %s]", repoPath))
 		if err := cmd.RunWithContext(&git.RunContext{
 			Timeout: time.Duration(setting.Git.Timeout.Default) * time.Second,