mv: split submodule move preparation code out

"Huh?" is removed from die() message.

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/mv.c b/builtin/mv.c
index c48129e301cdd4a8493089e423bce7cd56eaee8d..5a8ff000475f6382d58d88cfd298e5436b8491f9 100644 (file)
--- a/builtin/mv.c
+++ b/builtin/mv.c
@@ -61,6 +61,23 @@ static const char *add_slash(const char *path)
 static struct lock_file lock_file;
 #define SUBMODULE_WITH_GITDIR ((const char *)1)
 
+static void prepare_move_submodule(const char *src, int first,
+                                  const char **submodule_gitfile)
+{
+       struct strbuf submodule_dotgit = STRBUF_INIT;
+       if (!S_ISGITLINK(active_cache[first]->ce_mode))
+               die(_("Directory %s is in index and no submodule?"), src);
+       if (!is_staging_gitmodules_ok())
+               die(_("Please stage your changes to .gitmodules or stash them to proceed"));
+       strbuf_addf(&submodule_dotgit, "%s/.git", src);
+       *submodule_gitfile = read_gitfile(submodule_dotgit.buf);
+       if (*submodule_gitfile)
+               *submodule_gitfile = xstrdup(*submodule_gitfile);
+       else
+               *submodule_gitfile = SUBMODULE_WITH_GITDIR;
+       strbuf_release(&submodule_dotgit);
+}
+
 int cmd_mv(int argc, const char **argv, const char *prefix)
 {
        int i, gitmodules_modified = 0;
@@ -132,20 +149,11 @@ int cmd_mv(int argc, const char **argv, const char *prefix)
                        bad = _("cannot move directory over file");
                else if (src_is_dir) {
                        int first = cache_name_pos(src, length);
-                       if (first >= 0) {
-                               struct strbuf submodule_dotgit = STRBUF_INIT;
-                               if (!S_ISGITLINK(active_cache[first]->ce_mode))
-                                       die (_("Huh? Directory %s is in index and no submodule?"), src);
-                               if (!is_staging_gitmodules_ok())
-                                       die (_("Please, stage your changes to .gitmodules or stash them to proceed"));
-                               strbuf_addf(&submodule_dotgit, "%s/.git", src);
-                               submodule_gitfile[i] = read_gitfile(submodule_dotgit.buf);
-                               if (submodule_gitfile[i])
-                                       submodule_gitfile[i] = xstrdup(submodule_gitfile[i]);
-                               else
-                                       submodule_gitfile[i] = SUBMODULE_WITH_GITDIR;
-                               strbuf_release(&submodule_dotgit);
-                       } else {
+
+                       if (first >= 0)
+                               prepare_move_submodule(src, first,
+                                                      submodule_gitfile + i);
+                       else {
                                const char *src_w_slash = add_slash(src);
                                int last, len_w_slash = length + 1;