[PATCH v2 05/21] commit: convert to use parse_pathspec

["Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>]

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 builtin/commit.c | 18 +++++++++---------
 cache.h          |  3 +++
 setup.c          |  3 +++
 3 files changed, 15 insertions(+), 9 deletions(-)

diff --git a/builtin/commit.c b/builtin/commit.c
index d6dd3df..444ae1d 100644
--- a/builtin/commit.c
+++ b/builtin/commit.c
@@ -277,17 +277,17 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
 {
 	int fd;
 	struct string_list partial;
-	const char **pathspec = NULL;
+	struct pathspec pathspec;
 	char *old_index_env = NULL;
 	int refresh_flags = REFRESH_QUIET;
 
 	if (is_status)
 		refresh_flags |= REFRESH_UNMERGED;
+	parse_pathspec(&pathspec, PATHSPEC_FROMTOP,
+		       PATHSPEC_EMPTY_MATCH_ALL,
+		       prefix, argv);
 
-	if (*argv)
-		pathspec = get_pathspec(prefix, argv);
-
-	if (read_cache_preload(pathspec) < 0)
+	if (read_cache_preload(pathspec.raw) < 0)
 		die(_("index file corrupt"));
 
 	if (interactive) {
@@ -329,9 +329,9 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
 	 * (A) if all goes well, commit the real index;
 	 * (B) on failure, rollback the real index.
 	 */
-	if (all || (also && pathspec && *pathspec)) {
+	if (all || (also && pathspec.nr)) {
 		fd = hold_locked_index(&index_lock, 1);
-		add_files_to_cache(also ? prefix : NULL, pathspec, 0);
+		add_files_to_cache(also ? prefix : NULL, pathspec.raw, 0);
 		refresh_cache_or_die(refresh_flags);
 		update_main_cache_tree(WRITE_TREE_SILENT);
 		if (write_cache(fd, active_cache, active_nr) ||
@@ -350,7 +350,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
 	 * and create commit from the_index.
 	 * We still need to refresh the index here.
 	 */
-	if (!only && (!pathspec || !*pathspec)) {
+	if (!only && !pathspec.nr) {
 		fd = hold_locked_index(&index_lock, 1);
 		refresh_cache_or_die(refresh_flags);
 		if (active_cache_changed) {
@@ -395,7 +395,7 @@ static char *prepare_index(int argc, const char **argv, const char *prefix,
 
 	memset(&partial, 0, sizeof(partial));
 	partial.strdup_strings = 1;
-	if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, pathspec))
+	if (list_paths(&partial, !current_head ? NULL : "HEAD", prefix, pathspec.raw))
 		exit(1);
 
 	discard_cache();
diff --git a/cache.h b/cache.h
index e52365d..a3c316f 100644
--- a/cache.h
+++ b/cache.h
@@ -476,6 +476,9 @@ extern int ie_modified(const struct index_state *, struct cache_entry *, struct
 /* Pathspec magic */
 #define PATHSPEC_FROMTOP    (1<<0)
 
+/* Pathspec flags */
+#define PATHSPEC_EMPTY_MATCH_ALL (1<<0) /* No args means match everything */
+
 struct pathspec {
 	const char **raw; /* get_pathspec() result, not freed by free_pathspec() */
 	int nr;
diff --git a/setup.c b/setup.c
index 6e960b9..a26b6c0 100644
--- a/setup.c
+++ b/setup.c
@@ -280,6 +280,9 @@ void parse_pathspec(struct pathspec *pathspec,
 	if (!entry && !prefix)
 		return;
 
+	if (!*argv && (flags & PATHSPEC_EMPTY_MATCH_ALL))
+		return;
+
 	/* No arguments with prefix -> prefix pathspec */
 	if (!entry) {
 		static const char *raw[2];
-- 
1.8.0.rc2.23.g1fb49df