Checkout: handle file modes properly.

Global file mode override now works properly with
the file mode stored in the tree node.

src/checkout.c

@@ -61,11 +61,13 @@ static int blob_contents_to_link(tree_walk_data *data, git_buf *fnbuf,
 
 
 static int blob_contents_to_file(git_repository *repo, git_buf *fnbuf,
-											const git_oid *id, tree_walk_data *data)
+											const git_tree_entry *entry, tree_walk_data *data)
 {
 	int retcode = GIT_ERROR;
 	int fd = -1;
 	git_buf contents = GIT_BUF_INIT;
+	const git_oid *id = git_tree_entry_id(entry);
+	int file_mode = data->opts->file_mode;
 
 	/* Deal with pre-existing files */
 	if (git_path_exists(git_buf_cstr(fnbuf)) &&
@@ -84,10 +86,14 @@ static int blob_contents_to_file(git_repository *repo, git_buf *fnbuf,
 	}
 	if (retcode < 0) goto bctf_cleanup;
 
+	/* Allow overriding of file mode */
+	if (!file_mode)
+		file_mode = git_tree_entry_attributes(entry);
+
 	if ((retcode = git_futils_mkpath2file(git_buf_cstr(fnbuf), data->opts->dir_mode)) < 0)
 		goto bctf_cleanup;
 
-	fd = p_open(git_buf_cstr(fnbuf), data->opts->file_open_flags, data->opts->file_mode);
+	fd = p_open(git_buf_cstr(fnbuf), data->opts->file_open_flags, file_mode);
 	if (fd < 0) goto bctf_cleanup;
 
 	if (!p_write(fd, git_buf_cstr(&contents), git_buf_len(&contents)))
@@ -129,8 +135,7 @@ static int checkout_walker(const char *path, const git_tree_entry *entry, void *
 			retcode = blob_contents_to_link(data, &fnbuf,
 													  git_tree_entry_id(entry));
 		} else {
-			retcode = blob_contents_to_file(data->repo, &fnbuf,
+			retcode = blob_contents_to_file(data->repo, &fnbuf, entry, data);
-													  git_tree_entry_id(entry), data);
 		}
 		break;
 
@@ -163,8 +168,6 @@ int git_checkout_head(git_repository *repo, git_checkout_opts *opts, git_indexer
 		opts->existing_file_action = GIT_CHECKOUT_OVERWRITE_EXISTING;
 	/* opts->disable_filters is false by default */
 	if (!opts->dir_mode) opts->dir_mode = GIT_DIR_MODE;
-	if (!opts->file_mode)
-		opts->file_mode = 0644; 
 	if (!opts->file_open_flags)
 		opts->file_open_flags = O_CREAT | O_TRUNC | O_WRONLY;
 

tests-clar/checkout/checkout.c

@@ -145,14 +145,18 @@ void test_checkout_checkout__dir_modes(void)
 
 	cl_git_pass(git_reference_lookup(&ref, g_repo, "refs/heads/dir"));
 
-	opts.dir_mode = 0600;
+	opts.dir_mode = 0701;
 	cl_git_pass(git_checkout_reference(ref, &opts, NULL));
 	cl_git_pass(p_stat("./testrepo/a", &st));
-	cl_assert_equal_i(st.st_mode & 0777, 0600);
+	cl_assert_equal_i(st.st_mode & 0777, 0701);
+
+	/* File-mode test, since we're on the 'dir' branch */
+	cl_git_pass(p_stat("./testrepo/a/b.txt", &st));
+	cl_assert_equal_i(st.st_mode & 0777, 0755);
 #endif
 }
 
-void test_checkout_checkout__file_modes(void)
+void test_checkout_checkout__override_file_modes(void)
 {
 #ifndef GIT_WIN32
 	git_checkout_opts opts = {0};

tests-clar/resources/testrepo/.gitted/refs/heads/dir

@@ -1 +1 @@
-cf80f8de9f1185bf3a05f993f6121880dd0cfbc9
+144344043ba4d4a405da03de3844aa829ae8be0e