From f762271dbfc121eaac7eb59c0beb01620a09118f Mon Sep 17 00:00:00 2001
From: Runxi Yu
Date: Fri, 30 Jan 2026 17:10:01 +0100
Subject: test: Make gitCmd accept an stdin []byte

---
 difftrees_test.go | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

(limited to 'difftrees_test.go')

diff --git a/difftrees_test.go b/difftrees_test.go
index b8b89bb0..6defd96e 100644
--- a/difftrees_test.go
+++ b/difftrees_test.go
@@ -22,26 +22,26 @@ func TestDiffTreesComplexNestedChanges(t *testing.T) {
 	writeTestFile(t, filepath.Join(workDir, "treeB", "legacy.txt"), "legacy root\n")
 	writeTestFile(t, filepath.Join(workDir, "treeB", "sub", "retired.txt"), "retired\n")
 
-	gitCmd(t, repoPath, "--work-tree="+workDir, "add", ".")
-	baseTreeHash := gitCmd(t, repoPath, "--work-tree="+workDir, "write-tree")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
+	baseTreeHash := gitCmd(t, repoPath, nil, "--work-tree="+workDir, "write-tree")
 
 	writeTestFile(t, filepath.Join(workDir, "README.md"), "updated readme\n")
-	gitCmd(t, repoPath, "--work-tree="+workDir, "rm", "-f", "dir/file_a.txt")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "rm", "-f", "dir/file_a.txt")
 	writeTestFile(t, filepath.Join(workDir, "dir", "nested", "file_b.txt"), "beta v2\n")
-	gitCmd(t, repoPath, "--work-tree="+workDir, "rm", "-f", "dir/nested/deeper/old.txt")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "rm", "-f", "dir/nested/deeper/old.txt")
 	writeTestFile(t, filepath.Join(workDir, "dir", "nested", "deeper", "new.txt"), "new branch entry\n")
 	writeTestFile(t, filepath.Join(workDir, "dir", "nested", "deeper", "branch", "info.md"), "branch info\n")
 	writeTestFile(t, filepath.Join(workDir, "dir", "nested", "deeper", "branch", "subbranch", "leaf.txt"), "leaf data\n")
 	writeTestFile(t, filepath.Join(workDir, "dir", "nested", "deeper", "branch", "subbranch", "deep", "final.txt"), "final artifact\n")
 	writeTestFile(t, filepath.Join(workDir, "dir", "newchild.txt"), "brand new sibling\n")
-	gitCmd(t, repoPath, "--work-tree="+workDir, "rm", "-r", "-f", "treeB")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "rm", "-r", "-f", "treeB")
 	writeTestFile(t, filepath.Join(workDir, "features", "alpha", "README.md"), "alpha docs\n")
 	writeTestFile(t, filepath.Join(workDir, "features", "alpha", "beta", "gamma.txt"), "gamma payload\n")
 	writeTestFile(t, filepath.Join(workDir, "modules", "v2", "core", "main.go"), "package core\n")
 	writeTestFile(t, filepath.Join(workDir, "root_addition.txt"), "root level file\n")
 
-	gitCmd(t, repoPath, "--work-tree="+workDir, "add", ".")
-	updatedTreeHash := gitCmd(t, repoPath, "--work-tree="+workDir, "write-tree")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
+	updatedTreeHash := gitCmd(t, repoPath, nil, "--work-tree="+workDir, "write-tree")
 
 	repo, err := OpenRepository(repoPath)
 	if err != nil {
@@ -108,16 +108,16 @@ func TestDiffTreesDirectoryAddDeleteDeep(t *testing.T) {
 	writeTestFile(t, filepath.Join(workDir, "old_dir", "sub1", "legacy.txt"), "legacy path\n")
 	writeTestFile(t, filepath.Join(workDir, "old_dir", "sub1", "nested", "end.txt"), "legacy end\n")
 
-	gitCmd(t, repoPath, "--work-tree="+workDir, "add", ".")
-	originalTreeHash := gitCmd(t, repoPath, "--work-tree="+workDir, "write-tree")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
+	originalTreeHash := gitCmd(t, repoPath, nil, "--work-tree="+workDir, "write-tree")
 
-	gitCmd(t, repoPath, "--work-tree="+workDir, "rm", "-r", "-f", "old_dir")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "rm", "-r", "-f", "old_dir")
 	writeTestFile(t, filepath.Join(workDir, "fresh", "alpha", "beta", "new.txt"), "brand new directory\n")
 	writeTestFile(t, filepath.Join(workDir, "fresh", "alpha", "docs", "note.md"), "docs note\n")
 	writeTestFile(t, filepath.Join(workDir, "fresh", "alpha", "beta", "gamma", "delta.txt"), "delta payload\n")
 
-	gitCmd(t, repoPath, "--work-tree="+workDir, "add", ".")
-	nextTreeHash := gitCmd(t, repoPath, "--work-tree="+workDir, "write-tree")
+	gitCmd(t, repoPath, nil, "--work-tree="+workDir, "add", ".")
+	nextTreeHash := gitCmd(t, repoPath, nil, "--work-tree="+workDir, "write-tree")
 
 	repo, err := OpenRepository(repoPath)
 	if err != nil {
-- 
cgit v1.3.1-10-gc9f91