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>

Jeff King committed Sep 12, 2016 at 20:24 UTC 7c0a842b46391230661d17ad758efa6b4eccdb93
1 file changed +7 -4
builtin/init-db.c
+7 -4
@@ -191,16 +191,19 @@ static int create_default_files(const char *template_path)
191 /* Just look for `init.templatedir` */
192 git_config(git_init_db_config, NULL);
193
194 - /* First copy the templates -- we might have the default
194 + /*
195 + * First copy the templates -- we might have the default
196 * config file there, in which case we would want to read
197 * from it after installing.
198 */
199 copy_templates(template_path);
199 -
200 git_config(git_default_config, NULL);
201 - is_bare_repository_cfg = init_is_bare_repository;
201
203 - /* reading existing config may have overwrote it */
202 + /*
203 + * We must make sure command-line options continue to override any
204 + * values we might have just re-read from the config.
205 + */
206 + is_bare_repository_cfg = init_is_bare_repository;
207 if (init_shared_repository != -1)
208 set_shared_repository(init_shared_repository);
209