Fix partial cloning a repo (#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>

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)
 	}