Fix

Author: lunny

modules/git/gitcmd/command_test.go

@@ -36,7 +36,7 @@ func TestRunWithContextStd(t *testing.T) {
 	stdout, stderr, err = cmd.RunStdString(t.Context())
 	if assert.Error(t, err) {
 		assert.Equal(t, stderr, err.Stderr())
-		assert.Contains(t, stderr, "unknown option:")
+		assert.Contains(t, err.Stderr(), "unknown option:")
 		assert.Contains(t, err.Error(), "exit status 129 - unknown option:")
 		assert.Empty(t, stdout)
 	}

modules/git/repo_tree.go

@@ -64,6 +64,7 @@ func (repo *Repository) CommitTree(author, committer *Signature, tree *Tree, opt
 		WithDir(repo.Path).
 		WithStdin(messageBytes).
 		WithStdout(stdout).
+		WithStderr(stderr).
 		Run(repo.Ctx)
 	if err != nil {
 		return nil, gitcmd.ConcatenateError(err, stderr.String())