From 94482cb2c97aa215f83940643c5d4c0933727dcb Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Sat, 21 Feb 2026 13:38:02 +0800
Subject: *: Modernize and lint; add CI

---
 internal/testgit/repo_commit_tree.go | 3 ++-
 internal/testgit/repo_new.go         | 6 +-----
 internal/testgit/repo_run.go         | 3 ++-
 3 files changed, 5 insertions(+), 7 deletions(-)

(limited to 'internal/testgit')

diff --git a/internal/testgit/repo_commit_tree.go b/internal/testgit/repo_commit_tree.go
index f8d78421..763474c2 100644
--- a/internal/testgit/repo_commit_tree.go
+++ b/internal/testgit/repo_commit_tree.go
@@ -9,7 +9,8 @@ import (
 // CommitTree creates a commit from a tree and message, optionally with parents.
 func (testRepo *TestRepo) CommitTree(tb testing.TB, tree objectid.ObjectID, message string, parents ...objectid.ObjectID) objectid.ObjectID {
 	tb.Helper()
-	args := []string{"commit-tree", tree.String()}
+	args := make([]string, 0, 2+2*len(parents)+2)
+	args = append(args, "commit-tree", tree.String())
 	for _, p := range parents {
 		args = append(args, "-p", p.String())
 	}
diff --git a/internal/testgit/repo_new.go b/internal/testgit/repo_new.go
index 605eedd2..8120a9a2 100644
--- a/internal/testgit/repo_new.go
+++ b/internal/testgit/repo_new.go
@@ -26,11 +26,7 @@ func NewRepo(tb testing.TB, opts RepoOptions) *TestRepo {
 		tb.Fatalf("invalid algorithm: %v", algo)
 	}
 
-	dir, err := os.MkdirTemp("", "furgit-testgit-*")
-	if err != nil {
-		tb.Fatalf("create temp dir: %v", err)
-	}
-	tb.Cleanup(func() { _ = os.RemoveAll(dir) })
+	dir := tb.TempDir()
 
 	testRepo := &TestRepo{
 		dir:  dir,
diff --git a/internal/testgit/repo_run.go b/internal/testgit/repo_run.go
index aafcc923..8022835e 100644
--- a/internal/testgit/repo_run.go
+++ b/internal/testgit/repo_run.go
@@ -35,7 +35,8 @@ func (testRepo *TestRepo) RunInputBytes(tb testing.TB, stdin []byte, args ...str
 
 func (testRepo *TestRepo) runBytes(tb testing.TB, stdin []byte, dir string, args ...string) []byte {
 	tb.Helper()
-	cmd := exec.Command("git", args...)
+	//nolint:noctx
+	cmd := exec.Command("git", args...) //#nosec G204
 	cmd.Dir = dir
 	cmd.Env = testRepo.env
 	if stdin != nil {
-- 
cgit v1.3.1-10-gc9f91