[PATCH v2 04/14] dir.c: git-ls-files --directories: don't hide empty directories

[Karsten Blees]

'git-ls-files --ignored --directories' hides empty directories even though
--no-empty-directory was not specified.

Treat the DIR_HIDE_EMPTY_DIRECTORIES flag independently from
DIR_SHOW_IGNORED to make all git-ls-files options work as expected.

Signed-off-by: Karsten Blees <bl...@dcon.de>
---
 dir.c                              |  6 ++----
 t/t3001-ls-files-others-exclude.sh | 23 +++++++++++++++++++++++
 wt-status.c                        |  2 +-
 3 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/dir.c b/dir.c
index fd1f088..1112b05 100644
--- a/dir.c
+++ b/dir.c
@@ -1076,15 +1076,13 @@ static enum directory_treatment treat_directory(struct 
dir_struct *dir,
        if ((dir->flags & DIR_SHOW_IGNORED) && !exclude) {
                int ignored;
                dir->flags &= ~DIR_SHOW_IGNORED;
-               dir->flags |= DIR_HIDE_EMPTY_DIRECTORIES;
                ignored = read_directory_recursive(dir, dirname, len, 1, 
simplify);
-               dir->flags &= ~DIR_HIDE_EMPTY_DIRECTORIES;
                dir->flags |= DIR_SHOW_IGNORED;
 
                return ignored ? ignore_directory : show_directory;
        }
-       if (!(dir->flags & DIR_SHOW_IGNORED) &&
-           !(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
+
+       if (!(dir->flags & DIR_HIDE_EMPTY_DIRECTORIES))
                return show_directory;
        if (!read_directory_recursive(dir, dirname, len, 1, simplify))
                return ignore_directory;
diff --git a/t/t3001-ls-files-others-exclude.sh 
b/t/t3001-ls-files-others-exclude.sh
index efb7ebc..859da35 100755
--- a/t/t3001-ls-files-others-exclude.sh
+++ b/t/t3001-ls-files-others-exclude.sh
@@ -214,6 +214,29 @@ test_expect_success 'subdirectory ignore (l1)' '
        test_cmp expect actual
 '
 
+test_expect_success 'show/hide empty ignored directory (setup)' '
+       rm top/l1/l2/l1 &&
+       rm top/l1/.gitignore
+'
+
+test_expect_success 'show empty ignored directory with --directory' '
+       (
+               cd top &&
+               git ls-files -o -i --exclude l1 --directory
+       ) >actual &&
+       echo l1/ >expect &&
+       test_cmp expect actual
+'
+
+test_expect_success 'hide empty ignored directory with --no-empty-directory' '
+       (
+               cd top &&
+               git ls-files -o -i --exclude l1 --directory --no-empty-directory
+       ) >actual &&
+       >expect &&
+       test_cmp expect actual
+'
+
 test_expect_success 'pattern matches prefix completely' '
        : >expect &&
        git ls-files -i -o --exclude "/three/a.3[abc]" >actual &&
diff --git a/wt-status.c b/wt-status.c
index ef405d0..79eb124 100644
--- a/wt-status.c
+++ b/wt-status.c
@@ -518,7 +518,7 @@ static void wt_status_collect_untracked(struct wt_status *s)
                dir.nr = 0;
                dir.flags = DIR_SHOW_IGNORED;
                if (s->show_untracked_files != SHOW_ALL_UNTRACKED_FILES)
-                       dir.flags |= DIR_SHOW_OTHER_DIRECTORIES;
+                       dir.flags |= DIR_SHOW_OTHER_DIRECTORIES | 
DIR_HIDE_EMPTY_DIRECTORIES;
                fill_directory(&dir, s->pathspec);
                for (i = 0; i < dir.nr; i++) {
                        struct dir_entry *ent = dir.entries[i];
-- 
1.8.1.2.8026.g2b66448.dirty

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