[PATCH 14/16] list-files: add file modification options -[admADM]

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Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@xxxxxxxxx>
---
 builtin/list-files.c | 71 ++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 66 insertions(+), 5 deletions(-)

diff --git a/builtin/list-files.c b/builtin/list-files.c
index a82410d..74836f6 100644
--- a/builtin/list-files.c
+++ b/builtin/list-files.c
@@ -17,8 +17,10 @@ static int max_depth;
 static int show_dirs;
 static int use_color = -1;
 static int show_indicator;
-static int show_cached, show_untracked, show_unmerged;
+static int show_cached, show_untracked, show_unmerged, show_changed;
 static int show_ignored;
+static int show_added, show_deleted, show_modified;
+static int show_wt_added, show_wt_deleted, show_wt_modified;
 
 static const char * const ls_usage[] = {
 	N_("git list-files [options] [<pathspec>...]"),
@@ -35,6 +37,18 @@ struct option ls_options[] = {
 		 N_("show ignored files")),
 	OPT_BOOL('u', "unmerged", &show_unmerged,
 		 N_("show unmerged files")),
+	OPT_BOOL('a', "added", &show_added,
+		 N_("show added files compared to HEAD")),
+	OPT_BOOL('d', "deleted", &show_deleted,
+		 N_("show deleted files compared to HEAD")),
+	OPT_BOOL('m', "modified", &show_modified,
+		 N_("show modified files compared to HEAD")),
+	OPT_BOOL('A', "wt-added", &show_wt_added,
+		 N_("show added files in worktree")),
+	OPT_BOOL('D', "wt-deleted", &show_wt_deleted,
+		 N_("show deleted files in worktree")),
+	OPT_BOOL('M', "wt-modified", &show_wt_modified,
+		 N_("show modified files on worktree")),
 
 	OPT_GROUP(N_("Other")),
 	OPT_COLUMN('C', "column", &colopts, N_("show files in columns")),
@@ -221,12 +235,52 @@ static void populate_unmerged(struct string_list *result,
 	}
 }
 
+static void populate_changed(struct string_list *result,
+			     const struct string_list *change)
+{
+	int i;
+
+	for (i = 0; i < change->nr; i++) {
+		const struct string_list_item *item = change->items + i;
+		struct wt_status_change_data *d = item->util;
+		const char *name = item->string;
+		struct stat st;
+		char tag[2];
+
+		switch (d->stagemask)
+			continue;
+
+		tag[0] = d->index_status ? d->index_status : ' ';
+		tag[1] = d->worktree_status ? d->worktree_status : ' ';
+
+		if ((show_added       && tag[0] == 'A') ||
+		    (show_deleted     && tag[0] == 'D') ||
+		    (show_modified    && tag[0] != ' ') ||
+		    (show_wt_added    && tag[1] == 'A') ||
+		    (show_wt_deleted  && tag[1] == 'D') ||
+		    (show_wt_modified && tag[1] != ' '))
+			;	/* keep going */
+		else
+			continue;
+
+		if (lstat(name, &st))
+			/* color_filename() treats this as an orphan file */
+			st.st_mode = 0;
+
+		if (!matched(result, name, st.st_mode))
+			continue;
+
+		add_one(result, name, st.st_mode, tag);
+	}
+}
+
 static void wt_status_populate(struct string_list *result,
 			       struct index_state *istate)
 {
 	struct wt_status ws;
 
-	if (!show_untracked && !show_ignored && !show_unmerged)
+	if (!show_untracked && !show_ignored &&
+	    !show_unmerged && !show_changed)
 		return;
 
 	wt_status_prepare(&ws);
@@ -244,6 +298,8 @@ static void wt_status_populate(struct string_list *result,
 		populate_untracked(result, &ws.ignored, "!!");
 	if (show_unmerged)
 		populate_unmerged(result, &ws.change);
+	if (show_changed)
+		populate_changed(result, &ws.change);
 
 	qsort(result->items, result->nr, sizeof(*result->items), compare_output);
 	string_list_remove_duplicates(result, 0);
@@ -253,8 +309,9 @@ static void cleanup_tags(struct string_list *result)
 {
 	int i, same_1 = 1, same_2 = 1, pos, len;
 
-	if (show_cached + show_untracked + show_ignored > 1 ||
-	    show_unmerged)
+	if (show_cached + show_untracked + show_ignored +
+	    show_added + show_deleted + show_wt_added + show_wt_deleted > 1 ||
+	    show_unmerged || show_modified || show_wt_modified)
 		return;
 
 	for (i = 1; i < result->nr && (same_1 || same_2); i++) {
@@ -334,7 +391,11 @@ int cmd_list_files(int argc, const char **argv, const char *cmd_prefix)
 
 	argc = parse_options(argc, argv, prefix, ls_options, ls_usage, 0);
 
-	if (!show_cached && !show_untracked && !show_ignored && !show_unmerged)
+	show_changed =
+		show_added || show_deleted || show_modified ||
+		show_wt_added || show_wt_deleted || show_wt_modified;
+	if (!show_cached && !show_untracked && !show_ignored &&
+	    !show_unmerged && !show_changed)
 		show_cached = 1;
 
 	if (want_color(use_color))
-- 
2.3.0.rc1.137.g477eb31

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