Signed-off-by: Nguyễn Thái Ngọc Duy <pclo...@gmail.com>
---
 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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