int main(int argc, char **argv)
{
struct sha1_array array = SHA1_ARRAY_INIT;
struct strbuf line = STRBUF_INIT;
while (strbuf_getline_lf(&line, stdin) != EOF) {
const char *arg;
unsigned char sha1[20];
if (skip_prefix(line.buf, "append ", &arg)) {
if (get_sha1_hex(arg, sha1))
die("not a hexadecimal SHA1: %s", arg);
sha1_array_append(&array, sha1);
} else if (skip_prefix(line.buf, "lookup ", &arg)) {
if (get_sha1_hex(arg, sha1))
die("not a hexadecimal SHA1: %s", arg);
printf("%d\n", sha1_array_lookup(&array, sha1));
} else if (!strcmp(line.buf, "clear"))
sha1_array_clear(&array);
else if (!strcmp(line.buf, "for_each_unique"))
sha1_array_for_each_unique(&array, print_sha1, NULL);
else
die("unknown command: %s", line.buf);
}
return 0;
}
static void add_alternate_refs(void)
{
struct sha1_array sa = SHA1_ARRAY_INIT;
for_each_alternate_ref(collect_one_alternate_ref, &sa);
sha1_array_for_each_unique(&sa, add_one_alternate_sha1, NULL);
sha1_array_clear(&sa);
}
static void calculate_changed_submodule_paths(void)
{
struct rev_info rev;
struct commit *commit;
struct argv_array argv = ARGV_ARRAY_INIT;
/* No need to check if there are no submodules configured */
if (!config_name_for_path.nr)
return;
init_revisions(&rev, NULL);
argv_array_push(&argv, "--"); /* argv[0] program name */
sha1_array_for_each_unique(&ref_tips_after_fetch,
add_sha1_to_argv, &argv);
argv_array_push(&argv, "--not");
sha1_array_for_each_unique(&ref_tips_before_fetch,
add_sha1_to_argv, &argv);
setup_revisions(argv.argc, argv.argv, &rev, NULL);
if (prepare_revision_walk(&rev))
die("revision walk setup failed");
/*
* Collect all submodules (whether checked out or not) for which new
* commits have been recorded upstream in "changed_submodule_paths".
*/
while ((commit = get_revision(&rev))) {
struct commit_list *parent = commit->parents;
while (parent) {
struct diff_options diff_opts;
diff_setup(&diff_opts);
DIFF_OPT_SET(&diff_opts, RECURSIVE);
diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
diff_opts.format_callback = submodule_collect_changed_cb;
if (diff_setup_done(&diff_opts) < 0)
die("diff_setup_done failed");
diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
diffcore_std(&diff_opts);
diff_flush(&diff_opts);
parent = parent->next;
}
}
argv_array_clear(&argv);
sha1_array_clear(&ref_tips_before_fetch);
sha1_array_clear(&ref_tips_after_fetch);
initialized_fetch_ref_tips = 0;
}
static void write_head_info(void)
{
struct sha1_array sa = SHA1_ARRAY_INIT;
for_each_alternate_ref(collect_one_alternate_ref, &sa);
sha1_array_for_each_unique(&sa, show_one_alternate_sha1, NULL);
sha1_array_clear(&sa);
for_each_ref(show_ref_cb, NULL);
if (!sent_capabilities)
show_ref("capabilities^{}", null_sha1);
/* EOF */
packet_flush(1);
}
