Esempio n. 1
0
File: gc.c Progetto: pk-karthik/git
static int need_to_gc(void)
{
	/*
	 * Setting gc.auto to 0 or negative can disable the
	 * automatic gc.
	 */
	if (gc_auto_threshold <= 0)
		return 0;

	/*
	 * If there are too many loose objects, but not too many
	 * packs, we run "repack -d -l".  If there are too many packs,
	 * we run "repack -A -d -l".  Otherwise we tell the caller
	 * there is no need.
	 */
	if (too_many_packs())
		add_repack_all_option();
	else if (too_many_loose_objects())
		add_repack_incremental_option();
	else
		return 0;

	if (run_hook_le(NULL, "pre-auto-gc", NULL))
		return 0;
	return 1;
}
Esempio n. 2
0
static int checkout(void)
{
	unsigned char sha1[20];
	char *head;
	struct lock_file *lock_file;
	struct unpack_trees_options opts;
	struct tree *tree;
	struct tree_desc t;
	int err = 0;

	if (option_no_checkout)
		return 0;

	head = resolve_refdup("HEAD", RESOLVE_REF_READING, sha1, NULL);
	if (!head) {
		warning(_("remote HEAD refers to nonexistent ref, "
			  "unable to checkout.\n"));
		return 0;
	}
	if (!strcmp(head, "HEAD")) {
		if (advice_detached_head)
			detach_advice(sha1_to_hex(sha1));
	} else {
		if (!starts_with(head, "refs/heads/"))
			die(_("HEAD not found below refs/heads!"));
	}
	free(head);

	/* We need to be in the new work tree for the checkout */
	setup_work_tree();

	lock_file = xcalloc(1, sizeof(struct lock_file));
	hold_locked_index(lock_file, 1);

	memset(&opts, 0, sizeof opts);
	opts.update = 1;
	opts.merge = 1;
	opts.fn = oneway_merge;
	opts.verbose_update = (option_verbosity >= 0);
	opts.src_index = &the_index;
	opts.dst_index = &the_index;

	tree = parse_tree_indirect(sha1);
	parse_tree(tree);
	init_tree_desc(&t, tree->buffer, tree->size);
	if (unpack_trees(1, &t, &opts) < 0)
		die(_("unable to checkout working tree"));

	if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
		die(_("unable to write new index file"));

	err |= run_hook_le(NULL, "post-checkout", sha1_to_hex(null_sha1),
			   sha1_to_hex(sha1), "1", NULL);

	if (!err && option_recursive)
		err = run_command_v_opt(argv_submodule, RUN_GIT_CMD);

	return err;
}
Esempio n. 3
0
static int post_checkout_hook(struct commit *old_commit, struct commit *new_commit,
			      int changed)
{
	return run_hook_le(NULL, "post-checkout",
			   oid_to_hex(old_commit ? &old_commit->object.oid : &null_oid),
			   oid_to_hex(new_commit ? &new_commit->object.oid : &null_oid),
			   changed ? "1" : "0", NULL);
	/* "new_commit" can be NULL when checking out from the index before
	   a commit exists. */

}
Esempio n. 4
0
static const char *push_to_checkout(unsigned char *sha1,
				    struct argv_array *env,
				    const char *work_tree)
{
	argv_array_pushf(env, "GIT_WORK_TREE=%s", absolute_path(work_tree));
	if (run_hook_le(env->argv, push_to_checkout_hook,
			sha1_to_hex(sha1), NULL))
		return "push-to-checkout hook declined";
	else
		return NULL;
}
Esempio n. 5
0
File: merge.c Progetto: 1tgr/git
static void finish(struct commit *head_commit,
		   struct commit_list *remoteheads,
		   const unsigned char *new_head, const char *msg)
{
	struct strbuf reflog_message = STRBUF_INIT;
	const unsigned char *head = head_commit->object.oid.hash;

	if (!msg)
		strbuf_addstr(&reflog_message, getenv("GIT_REFLOG_ACTION"));
	else {
		if (verbosity >= 0)
			printf("%s\n", msg);
		strbuf_addf(&reflog_message, "%s: %s",
			getenv("GIT_REFLOG_ACTION"), msg);
	}
	if (squash) {
		squash_message(head_commit, remoteheads);
	} else {
		if (verbosity >= 0 && !merge_msg.len)
			printf(_("No merge message -- not updating HEAD\n"));
		else {
			const char *argv_gc_auto[] = { "gc", "--auto", NULL };
			update_ref(reflog_message.buf, "HEAD",
				new_head, head, 0,
				UPDATE_REFS_DIE_ON_ERR);
			/*
			 * We ignore errors in 'gc --auto', since the
			 * user should see them.
			 */
			close_all_packs();
			run_command_v_opt(argv_gc_auto, RUN_GIT_CMD);
		}
	}
	if (new_head && show_diffstat) {
		struct diff_options opts;
		diff_setup(&opts);
		opts.stat_width = -1; /* use full terminal width */
		opts.stat_graph_width = -1; /* respect statGraphWidth config */
		opts.output_format |=
			DIFF_FORMAT_SUMMARY | DIFF_FORMAT_DIFFSTAT;
		opts.detect_rename = DIFF_DETECT_RENAME;
		diff_setup_done(&opts);
		diff_tree_sha1(head, new_head, "", &opts);
		diffcore_std(&opts);
		diff_flush(&opts);
	}

	/* Run a post-merge hook */
	run_hook_le(NULL, "post-merge", squash ? "1" : "0", NULL);

	strbuf_release(&reflog_message);
}
Esempio n. 6
0
static int need_to_gc(void)
{
	/*
	 * Setting gc.auto to 0 or negative can disable the
	 * automatic gc.
	 */
	if (gc_auto_threshold <= 0)
		return 0;

	/*
	 * If there are too many loose objects, but not too many
	 * packs, we run "repack -d -l".  If there are too many packs,
	 * we run "repack -A -d -l".  Otherwise we tell the caller
	 * there is no need.
	 */
	if (too_many_packs()) {
		struct string_list keep_pack = STRING_LIST_INIT_NODUP;

		if (big_pack_threshold) {
			find_base_packs(&keep_pack, big_pack_threshold);
			if (keep_pack.nr >= gc_auto_pack_limit) {
				big_pack_threshold = 0;
				string_list_clear(&keep_pack, 0);
				find_base_packs(&keep_pack, 0);
			}
		} else {
			struct packed_git *p = find_base_packs(&keep_pack, 0);
			uint64_t mem_have, mem_want;

			mem_have = total_ram();
			mem_want = estimate_repack_memory(p);

			/*
			 * Only allow 1/2 of memory for pack-objects, leave
			 * the rest for the OS and other processes in the
			 * system.
			 */
			if (!mem_have || mem_want < mem_have / 2)
				string_list_clear(&keep_pack, 0);
		}

		add_repack_all_option(&keep_pack);
		string_list_clear(&keep_pack, 0);
	} else if (too_many_loose_objects())
		add_repack_incremental_option();
	else
		return 0;

	if (run_hook_le(NULL, "pre-auto-gc", NULL))
		return 0;
	return 1;
}