submodule: add absorb-git-dir function

diff --git a/pathspec.c b/pathspec.c
index 86f2b449b1b43d7abb0917c07676304a666056a9..22ca74a126e79995607e68a557ae8bd4c2ab02f7 100644 (file)
--- a/pathspec.c
+++ b/pathspec.c
@@ -364,7 +364,7 @@ void parse_pathspec(struct pathspec *pathspec,
 {
        struct pathspec_item *item;
        const char *entry = argv ? *argv : NULL;
-       int i, n, prefixlen, nr_exclude = 0;
+       int i, n, prefixlen, warn_empty_string, nr_exclude = 0;
 
        memset(pathspec, 0, sizeof(*pathspec));
 
@@ -402,8 +402,15 @@ void parse_pathspec(struct pathspec *pathspec,
        }
 
        n = 0;
-       while (argv[n])
+       warn_empty_string = 1;
+       while (argv[n]) {
+               if (*argv[n] == '\0' && warn_empty_string) {
+                       warning(_("empty strings as pathspecs will be made invalid in upcoming releases. "
+                                 "please use . instead if you meant to match all paths"));
+                       warn_empty_string = 0;
+               }
                n++;
+       }
 
        pathspec->nr = n;
        ALLOC_ARRAY(pathspec->items, n);