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submodule--helper update-clone: learn --init

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Teach "git submodule--helper update-clone" the --init flag and remove
the corresponding shell code.

When the `--init` flag is passed to the subcommand, we do not spawn a
new subprocess and call `submodule--helper init` on the submodule paths,
because the Git machinery is not able to pick up the configuration
changes introduced by that init call. So we instead run the
`init_submodule_cb()` callback over each submodule in the same process.

[1] https://lore.kernel.org/git/CAP8UFD0NCQ5w_3GtT_xHr35i7h8BuLX4UcHNY6VHPGREmDVObA@mail.gmail.com/

Signed-off-by: Glen Choo <chooglen@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Glen Choo 2022-03-04 16:13:58 -08:00 committed by Junio C Hamano
parent 3ce52cba5b
commit 29a5e9e1ff
2 changed files with 29 additions and 6 deletions
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26
builtin/submodule--helper.c
View File

@ -2000,6 +2000,7 @@ struct submodule_update_clone {
int failed_clones_nr, failed_clones_alloc;
int max_jobs;
unsigned int init;
};
#define SUBMODULE_UPDATE_CLONE_INIT { \
.list = MODULE_LIST_INIT, \
@ -2509,6 +2510,8 @@ static int update_clone(int argc, const char **argv, const char *prefix)
int ret;
struct option module_update_clone_options[] = {
OPT_BOOL(0, "init", &suc.init,
N_("initialize uninitialized submodules before update")),
OPT_STRING(0, "prefix", &prefix,
N_("path"),
N_("path into the working tree")),
@ -2567,6 +2570,29 @@ static int update_clone(int argc, const char **argv, const char *prefix)
if (pathspec.nr)
suc.warn_if_uninitialized = 1;
if (suc.init) {
struct module_list list = MODULE_LIST_INIT;
struct init_cb info = INIT_CB_INIT;
if (module_list_compute(argc, argv, suc.prefix,
&pathspec, &list) < 0)
return 1;
/*
* If there are no path args and submodule.active is set then,
* by default, only initialize 'active' modules.
*/
if (!argc && git_config_get_value_multi("submodule.active"))
module_list_active(&list);
info.prefix = suc.prefix;
info.superprefix = suc.recursive_prefix;
if (suc.quiet)
info.flags |= OPT_QUIET;
for_each_listed_submodule(&list, init_submodule_cb, &info);
}
ret = update_submodules(&suc);
list_objects_filter_release(&filter_options);
return ret;

9
git-submodule.sh
View File

@ -361,14 +361,11 @@ cmd_update()
usage
fi
if test -n "$init"
then
cmd_init "--" "$@" || return
fi
{
git submodule--helper update-clone ${GIT_QUIET:+--quiet} \
git ${wt_prefix:+-C "$wt_prefix"} submodule--helper update-clone \
${GIT_QUIET:+--quiet} \
${progress:+"--progress"} \
${init:+--init} \
${wt_prefix:+--prefix "$wt_prefix"} \
${prefix:+--recursive-prefix "$prefix"} \
${update:+--update "$update"} \