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fetch: skip on-demand checking when no submodules are configured 

It makes no sense to do the - possibly very expensive - call to "rev-list
<new-ref-sha1> --not --all" in check_for_new_submodule_commits() when
there aren't any submodules configured.

Leave check_for_new_submodule_commits() early when no name <-> path
mappings for submodules are found in the configuration. To make that work
reading the configuration had to be moved further up in cmd_fetch(), as
doing that after the actual fetch of the superproject was too late.

Reported-by: Martin Fick <mfick@codeaurora.org>
Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jens Lehmann 2011-09-09 20:22:03 +02:00 committed by Junio C Hamano
parent f696543dad
commit 18322badc2
2 changed files with 13 additions and 6 deletions
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15
builtin/fetch.c
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@ -941,6 +941,15 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
argc = parse_options(argc, argv, prefix,
builtin_fetch_options, builtin_fetch_usage, 0);
if (recurse_submodules != RECURSE_SUBMODULES_OFF) {
if (recurse_submodules_default) {
int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
set_config_fetch_recurse_submodules(arg);
}
gitmodules_config();
git_config(submodule_config, NULL);
}
if (all) {
if (argc == 1)
die(_("fetch --all does not take a repository argument"));
@ -976,12 +985,6 @@ int cmd_fetch(int argc, const char **argv, const char *prefix)
if (!result && (recurse_submodules != RECURSE_SUBMODULES_OFF)) {
const char *options[10];
int num_options = 0;
if (recurse_submodules_default) {
int arg = parse_fetch_recurse_submodules_arg("--recurse-submodules-default", recurse_submodules_default);
set_config_fetch_recurse_submodules(arg);
}
gitmodules_config();
git_config(submodule_config, NULL);
add_options_to_argv(&num_options, options);
result = fetch_populated_submodules(num_options, options,
submodule_prefix,

4
submodule.c
View File

@ -373,6 +373,10 @@ void check_for_new_submodule_commits(unsigned char new_sha1[20])
const char *argv[] = {NULL, NULL, "--not", "--all", NULL};
int argc = ARRAY_SIZE(argv) - 1;
/* No need to check if there are no submodules configured */
if (!config_name_for_path.nr)
return;
init_revisions(&rev, NULL);
argv[1] = xstrdup(sha1_to_hex(new_sha1));
setup_revisions(argc, argv, &rev, NULL);