Let ls-files strip trailing slashes in submodules' paths

Tab completion makes it easy to add a trailing slash to a submodule path.
As it is completely clear what the user actually wanted to say, be nice
and strip that slash at the end.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin-ls-files.c b/builtin-ls-files.c
index 34340312953867fdcb4ae62d530bdae3162744a5..9dec282fba6ba22e37d13bdc5e35fa4a031433b5 100644 (file)
--- a/builtin-ls-files.c
+++ b/builtin-ls-files.c
@@ -262,6 +262,21 @@ static const char *verify_pathspec(const char *prefix)
        return max ? xmemdupz(prev, max) : NULL;
 }
 
+static void strip_trailing_slash_from_submodules(void)
+{
+       const char **p;
+
+       for (p = pathspec; *p != NULL; p++) {
+               int len = strlen(*p), pos;
+
+               if (len < 1 || (*p)[len - 1] != '/')
+                       continue;
+               pos = cache_name_pos(*p, len - 1);
+               if (pos >= 0 && S_ISGITLINK(active_cache[pos]->ce_mode))
+                       *p = xstrndup(*p, len - 1);
+       }
+}
+
 /*
  * Read the tree specified with --with-tree option
  * (typically, HEAD) into stage #1 and then
@@ -510,6 +525,11 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
 
        pathspec = get_pathspec(prefix, argv + i);
 
+       /* be nice with submodule patsh ending in a slash */
+       read_cache();
+       if (pathspec)
+               strip_trailing_slash_from_submodules();
+
        /* Verify that the pathspec matches the prefix */
        if (pathspec)
                prefix = verify_pathspec(prefix);
@@ -533,7 +553,6 @@ int cmd_ls_files(int argc, const char **argv, const char *prefix)
              show_killed | show_modified))
                show_cached = 1;
 
-       read_cache();
        if (prefix)
                prune_cache(prefix);
        if (with_tree) {

diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 2ec7ac6a510c5b83bc1ee6ce428379beb7a8b5ef..a74f24c0db69aa964aaf0e83f8ab978ffc0cc7a2 100755 (executable)
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -234,4 +234,10 @@ test_expect_success 'gracefully add submodule with a trailing slash' '
 
 '
 
+test_expect_success 'ls-files gracefully handles trailing slash' '
+
+       test "init" = "$(git ls-files init/)"
+
+'
+
 test_done