init: expand comments explaining config trickery

git-init may copy "config" from the templates directory and
then re-read it. There are some comments explaining what's
going on here, but they are not grouped very well with the
matching code. Let's rearrange and expand them.

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/builtin/init-db.c b/builtin/init-db.c
index b2d8d40a6750e5794dd9bfbfbcb31924a7eec4ba..0b0557138db40fdff9172557c6e470ddcc69c1ba 100644 (file)
--- a/builtin/init-db.c
+++ b/builtin/init-db.c
@@ -191,16 +191,19 @@ static int create_default_files(const char *template_path)
        /* Just look for `init.templatedir` */
        git_config(git_init_db_config, NULL);
 
-       /* First copy the templates -- we might have the default
+       /*
+        * First copy the templates -- we might have the default
         * config file there, in which case we would want to read
         * from it after installing.
         */
        copy_templates(template_path);
-
        git_config(git_default_config, NULL);
-       is_bare_repository_cfg = init_is_bare_repository;
 
-       /* reading existing config may have overwrote it */
+       /*
+        * We must make sure command-line options continue to override any
+        * values we might have just re-read from the config.
+        */
+       is_bare_repository_cfg = init_is_bare_repository;
        if (init_shared_repository != -1)
                set_shared_repository(init_shared_repository);