[PATCH 13/19] list-files: add -t back

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

Tag "H" (cached) is not shown though because it's usually the majority
and becomes noise. Not showing it makes the other tags stand out. -t
is on by default if more than one file category is selected.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
---
 Documentation/git-list-files.txt |  6 ++++++
 builtin/ls-files.c               | 27 +++++++++++++++++----------
 2 files changed, 23 insertions(+), 10 deletions(-)

diff --git a/Documentation/git-list-files.txt b/Documentation/git-list-files.txt
index 725a236..0ef616b 100644
--- a/Documentation/git-list-files.txt
+++ b/Documentation/git-list-files.txt
@@ -45,6 +45,12 @@ OPTIONS
 --unmerged::
 	Show unmerged files
 
+-t::
+--[no-]tag::
+	Show a tag to indicate file type. Automatically turned on with
+	multiple file selections. See linkgit::git-ls-files[1] option
+	`-t` for more information.
+
 -R::
 --recursive::
 	Equivalent of `--max-depth=-1` (infinite recursion).
diff --git a/builtin/ls-files.c b/builtin/ls-files.c
index be9a39c..c7aaade 100644
--- a/builtin/ls-files.c
+++ b/builtin/ls-files.c
@@ -596,6 +596,8 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 			N_("show untracked files")),
 		OPT_SET_INT('R', "recursive", &max_depth,
 			    N_("shortcut for --max-depth=-1"), -1),
+		OPT_BOOL('t', "tag", &show_tag,
+			N_("identify the file status with tags")),
 		OPT_BIT('i', "ignored", &dir.flags,
 			N_("show ignored files"),
 			DIR_SHOW_IGNORED),
@@ -636,6 +638,7 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 		setup_standard_excludes(&dir);
 		use_color = -1;
 		max_depth = 0;
+		show_tag = -1;
 		git_config(git_ls_config, NULL);
 	} else
 		git_config(git_default_config, NULL);
@@ -648,16 +651,6 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 	for (i = 0; i < exclude_list.nr; i++) {
 		add_exclude(exclude_list.items[i].string, "", 0, el, --exclude_args);
 	}
-	if (show_tag || show_valid_bit) {
-		tag_cached = "H ";
-		tag_unmerged = "M ";
-		tag_removed = "R ";
-		tag_modified = "C ";
-		tag_other = "? ";
-		tag_killed = "K ";
-		tag_skip_worktree = "S ";
-		tag_resolve_undo = "U ";
-	}
 	if (show_modified || show_others || show_deleted || (dir.flags & DIR_SHOW_IGNORED) || show_killed)
 		require_work_tree = 1;
 	if (show_unmerged && !porcelain)
@@ -711,6 +704,20 @@ int cmd_ls_files(int argc, const char **argv, const char *cmd_prefix)
 	      show_killed || show_modified || show_resolve_undo))
 		show_cached = 1;
 
+	if (show_tag == -1)
+		show_tag = (show_cached + show_deleted + show_others +
+			    show_unmerged + show_killed + show_modified) > 1;
+	if (show_tag || show_valid_bit) {
+		tag_cached = porcelain ? "  " : "H ";
+		tag_unmerged = "M ";
+		tag_removed = "R ";
+		tag_modified = "C ";
+		tag_other = "? ";
+		tag_killed = "K ";
+		tag_skip_worktree = "S ";
+		tag_resolve_undo = "U ";
+	}
+
 	if (max_prefix)
 		prune_cache(max_prefix);
 	if (with_tree) {
-- 
2.2.0.60.gb7b3c64