submodule--helper: introduce for_each_listed_submodule()

Introduce function for_each_listed_submodule() and replace a loop in module_init() with a call to it. The new function will also be used in other parts of the system in later patches. Mentored-by: Christian Couder <christian.couder@gmail.com> Mentored-by: Stefan Beller <sbeller@google.com> Signed-off-by: Prathamesh Chavan <pc44800@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Prathamesh Chavan committed Oct 6, 2017 at 18:54 UTC 9f580a6260ab301916286fb6ca05f6613e9904e8
1 file changed +35 -5
builtin/submodule--helper.c
+35 -5
@@ -14,6 +14,11 @@
14 #include "refs.h"
15 #include "connect.h"
16
17 +#define OPT_QUIET (1 << 0)
18 +
19 +typedef void (*each_submodule_fn)(const struct cache_entry *list_item,
20 + void *cb_data);
21 +
22 static char *get_default_remote(void)
23 {
24 char *dest = NULL, *ret;
@@ -349,7 +354,23 @@ static int module_list(int argc, const char **argv, const char *prefix)
354 return 0;
355 }
356
352 -static void init_submodule(const char *path, const char *prefix, int quiet)
357 +static void for_each_listed_submodule(const struct module_list *list,
358 + each_submodule_fn fn, void *cb_data)
359 +{
360 + int i;
361 + for (i = 0; i < list->nr; i++)
362 + fn(list->entries[i], cb_data);
363 +}
364 +
365 +struct init_cb {
366 + const char *prefix;
367 + unsigned int flags;
368 +};
369 +
370 +#define INIT_CB_INIT { NULL, 0 }
371 +
372 +static void init_submodule(const char *path, const char *prefix,
373 + unsigned int flags)
374 {
375 const struct submodule *sub;
376 struct strbuf sb = STRBUF_INIT;
@@ -411,7 +432,7 @@ static void init_submodule(const char *path, const char *prefix, int quiet)
432 if (git_config_set_gently(sb.buf, url))
433 die(_("Failed to register url for submodule path '%s'"),
434 displaypath);
414 - if (!quiet)
435 + if (!(flags & OPT_QUIET))
436 fprintf(stderr,
437 _("Submodule '%s' (%s) registered for path '%s'\n"),
438 sub->name, url, displaypath);
@@ -438,12 +459,18 @@ static void init_submodule(const char *path, const char *prefix, int quiet)
459 free(upd);
460 }
461
462 +static void init_submodule_cb(const struct cache_entry *list_item, void *cb_data)
463 +{
464 + struct init_cb *info = cb_data;
465 + init_submodule(list_item->name, info->prefix, info->flags);
466 +}
467 +
468 static int module_init(int argc, const char **argv, const char *prefix)
469 {
470 + struct init_cb info = INIT_CB_INIT;
471 struct pathspec pathspec;
472 struct module_list list = MODULE_LIST_INIT;
473 int quiet = 0;
446 - int i;
474
475 struct option module_init_options[] = {
476 OPT__QUIET(&quiet, N_("Suppress output for initializing a submodule")),
@@ -468,8 +495,11 @@ static int module_init(int argc, const char **argv, const char *prefix)
495 if (!argc && git_config_get_value_multi("submodule.active"))
496 module_list_active(&list);
497
471 - for (i = 0; i < list.nr; i++)
472 - init_submodule(list.entries[i]->name, prefix, quiet);
498 + info.prefix = prefix;
499 + if (quiet)
500 + info.flags |= OPT_QUIET;
501 +
502 + for_each_listed_submodule(&list, init_submodule_cb, &info);
503
504 return 0;
505 }