diff options
| -rw-r--r-- | builtin-reset.c | 24 | ||||
| -rwxr-xr-x | t/t7102-reset.sh | 7 |
2 files changed, 25 insertions, 6 deletions
diff --git a/builtin-reset.c b/builtin-reset.c index e1dc31e0eb..5467e36c73 100644 --- a/builtin-reset.c +++ b/builtin-reset.c @@ -113,10 +113,17 @@ static int update_index_refresh(void) return run_command_v_opt(argv_update_index, RUN_GIT_CMD); } +struct update_cb_data { + int index_fd; + struct lock_file *lock; + int exit_code; +}; + static void update_index_from_diff(struct diff_queue_struct *q, struct diff_options *opt, void *data) { int i; + struct update_cb_data *cb = data; /* do_diff_cache() mangled the index */ discard_cache(); @@ -133,29 +140,34 @@ static void update_index_from_diff(struct diff_queue_struct *q, } else remove_file_from_cache(one->path); } + + cb->exit_code = write_cache(cb->index_fd, active_cache, active_nr) || + close(cb->index_fd) || + commit_locked_index(cb->lock); } static int read_from_tree(const char *prefix, const char **argv, unsigned char *tree_sha1) { - struct lock_file *lock = xcalloc(1, sizeof(struct lock_file)); - int index_fd; struct diff_options opt; + struct update_cb_data cb; memset(&opt, 0, sizeof(opt)); diff_tree_setup_paths(get_pathspec(prefix, (const char **)argv), &opt); opt.output_format = DIFF_FORMAT_CALLBACK; opt.format_callback = update_index_from_diff; + opt.format_callback_data = &cb; - index_fd = hold_locked_index(lock, 1); + cb.lock = xcalloc(1, sizeof(struct lock_file)); + cb.index_fd = hold_locked_index(cb.lock, 1); + cb.exit_code = 0; read_cache(); if (do_diff_cache(tree_sha1, &opt)) return 1; diffcore_std(&opt); diff_flush(&opt); - return write_cache(index_fd, active_cache, active_nr) || - close(index_fd) || - commit_locked_index(lock); + + return cb.exit_code; } static void prepend_reflog_action(const char *action, char *buf, size_t size) diff --git a/t/t7102-reset.sh b/t/t7102-reset.sh index f64b1cbf75..cea9afb764 100755 --- a/t/t7102-reset.sh +++ b/t/t7102-reset.sh @@ -402,4 +402,11 @@ test_expect_success 'test resetting the index at give paths' ' ' +test_expect_success 'resetting an unmodified path is a no-op' ' + git reset --hard && + git reset -- file1 && + git diff-files --exit-code && + git diff-index --cached --exit-code HEAD +' + test_done |