Exemple #1
0
static void update (void)
{
	const struct passwd *pwent;

	if (!uflg) /* safety measure */
		return;

	if (has_umin && has_umax && (umin == umax)) {
		update_one (getpwuid ((uid_t)umin));
	} else {
		setpwent ();
		while ( (pwent = getpwent ()) != NULL ) {
			if ((has_umin && (pwent->pw_uid < (uid_t)umin))
				|| (has_umax && (pwent->pw_uid > (uid_t)umax))) {
				continue;
			}
			update_one (pwent);
		}
		endpwent ();
	}

	if (fflush (lastlogfile) != 0 || fsync (fileno (lastlogfile)) != 0) {
			fprintf (stderr,
			         _("%s: Failed to update the lastlog file\n"),
			         Prog);
			exit (EXIT_FAILURE);
	}
}
Exemple #2
0
void Attractors::update(tf::Quaternion& q_current){

    for(std::size_t i = 0; i < attractors.size();i++){
        update_one(q_current,attractors[i].z_axis,attractors[i].stiff);
    }

}
Exemple #3
0
static int do_reupdate(int ac, const char **av,
		       const char *prefix, int prefix_length)
{
	/* Read HEAD and run update-index on paths that are
	 * merged and already different between index and HEAD.
	 */
	int pos;
	int has_head = 1;
	struct pathspec pathspec;

	parse_pathspec(&pathspec, 0,
		       PATHSPEC_PREFER_CWD,
		       prefix, av + 1);

	if (read_ref("HEAD", &head_oid))
		/* If there is no HEAD, that means it is an initial
		 * commit.  Update everything in the index.
		 */
		has_head = 0;
 redo:
	for (pos = 0; pos < active_nr; pos++) {
		const struct cache_entry *ce = active_cache[pos];
		struct cache_entry *old = NULL;
		int save_nr;
		char *path;

		if (ce_stage(ce) || !ce_path_match(&the_index, ce, &pathspec, NULL))
			continue;
		if (has_head)
			old = read_one_ent(NULL, &head_oid,
					   ce->name, ce_namelen(ce), 0);
		if (old && ce->ce_mode == old->ce_mode &&
		    !oidcmp(&ce->oid, &old->oid)) {
			discard_cache_entry(old);
			continue; /* unchanged */
		}
		/* Be careful.  The working tree may not have the
		 * path anymore, in which case, under 'allow_remove',
		 * or worse yet 'allow_replace', active_nr may decrease.
		 */
		save_nr = active_nr;
		path = xstrdup(ce->name);
		update_one(path);
		free(path);
		discard_cache_entry(old);
		if (save_nr != active_nr)
			goto redo;
	}
	clear_pathspec(&pathspec);
	return 0;
}
Exemple #4
0
int cache_tree_update(struct cache_tree *it,
		      const struct cache_entry * const *cache,
		      int entries,
		      int flags)
{
	int i, skip;
	i = verify_cache(cache, entries, flags);
	if (i)
		return i;
	i = update_one(it, cache, entries, "", 0, &skip, flags);
	if (i < 0)
		return i;
	return 0;
}
Exemple #5
0
int cache_tree_update(struct cache_tree *it,
		      struct cache_entry **cache,
		      int entries,
		      int missing_ok,
		      int dryrun)
{
	int i;
	i = verify_cache(cache, entries);
	if (i)
		return i;
	i = update_one(it, cache, entries, "", 0, missing_ok, dryrun);
	if (i < 0)
		return i;
	return 0;
}
Exemple #6
0
int cache_tree_update(struct index_state *istate, int flags)
{
	struct cache_tree *it = istate->cache_tree;
	struct cache_entry **cache = istate->cache;
	int entries = istate->cache_nr;
	int skip, i = verify_cache(cache, entries, flags);

	if (i)
		return i;
	i = update_one(it, cache, entries, "", 0, &skip, flags);
	if (i < 0)
		return i;
	istate->cache_changed |= CACHE_TREE_CHANGED;
	return 0;
}
Exemple #7
0
static int do_reupdate(int ac, const char **av,
		       const char *prefix, int prefix_length)
{
	/* Read HEAD and run update-index on paths that are
	 * merged and already different between index and HEAD.
	 */
	int pos;
	int has_head = 1;
	const char **paths = get_pathspec(prefix, av + 1);
	struct pathspec pathspec;

	init_pathspec(&pathspec, paths);

	if (read_ref("HEAD", head_sha1))
		/* If there is no HEAD, that means it is an initial
		 * commit.  Update everything in the index.
		 */
		has_head = 0;
 redo:
	for (pos = 0; pos < active_nr; pos++) {
		struct cache_entry *ce = active_cache[pos];
		struct cache_entry *old = NULL;
		int save_nr;

		if (ce_stage(ce) || !ce_path_match(ce, &pathspec))
			continue;
		if (has_head)
			old = read_one_ent(NULL, head_sha1,
					   ce->name, ce_namelen(ce), 0);
		if (old && ce->ce_mode == old->ce_mode &&
		    !hashcmp(ce->sha1, old->sha1)) {
			free(old);
			continue; /* unchanged */
		}
		/* Be careful.  The working tree may not have the
		 * path anymore, in which case, under 'allow_remove',
		 * or worse yet 'allow_replace', active_nr may decrease.
		 */
		save_nr = active_nr;
		update_one(ce->name + prefix_length, prefix, prefix_length);
		if (save_nr != active_nr)
			goto redo;
	}
	free_pathspec(&pathspec);
	return 0;
}
Exemple #8
0
static int update_one(struct cache_tree *it,
		      struct cache_entry **cache,
		      int entries,
		      const char *base,
		      int baselen,
		      int missing_ok,
		      int dryrun)
{
	struct strbuf buffer;
	int i;

	if (0 <= it->entry_count && has_sha1_file(it->sha1))
		return it->entry_count;

	/*
	 * We first scan for subtrees and update them; we start by
	 * marking existing subtrees -- the ones that are unmarked
	 * should not be in the result.
	 */
	for (i = 0; i < it->subtree_nr; i++)
		it->down[i]->used = 0;

	/*
	 * Find the subtrees and update them.
	 */
	for (i = 0; i < entries; i++) {
		struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, sublen, subcnt;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (!slash)
			continue;
		/*
		 * a/bbb/c (base = a/, slash = /c)
		 * ==>
		 * path+baselen = bbb/c, sublen = 3
		 */
		sublen = slash - (path + baselen);
		sub = find_subtree(it, path + baselen, sublen, 1);
		if (!sub->cache_tree)
			sub->cache_tree = cache_tree();
		subcnt = update_one(sub->cache_tree,
				    cache + i, entries - i,
				    path,
				    baselen + sublen + 1,
				    missing_ok,
				    dryrun);
		if (subcnt < 0)
			return subcnt;
		i += subcnt - 1;
		sub->used = 1;
	}

	discard_unused_subtrees(it);

	/*
	 * Then write out the tree object for this level.
	 */
	strbuf_init(&buffer, 8192);

	for (i = 0; i < entries; i++) {
		struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, entlen;
		const unsigned char *sha1;
		unsigned mode;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (slash) {
			entlen = slash - (path + baselen);
			sub = find_subtree(it, path + baselen, entlen, 0);
			if (!sub)
				die("cache-tree.c: '%.*s' in '%s' not found",
				    entlen, path + baselen, path);
			i += sub->cache_tree->entry_count - 1;
			sha1 = sub->cache_tree->sha1;
			mode = S_IFDIR;
		}
		else {
			sha1 = ce->sha1;
			mode = ce->ce_mode;
			entlen = pathlen - baselen;
		}
		if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1))
			return error("invalid object %06o %s for '%.*s'",
				mode, sha1_to_hex(sha1), entlen+baselen, path);

		if (ce->ce_flags & CE_REMOVE)
			continue; /* entry being removed */

		strbuf_grow(&buffer, entlen + 100);
		strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
		strbuf_add(&buffer, sha1, 20);

#if DEBUG
		fprintf(stderr, "cache-tree update-one %o %.*s\n",
			mode, entlen, path + baselen);
#endif
	}

	if (dryrun)
		hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1);
	else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) {
		strbuf_release(&buffer);
		return -1;
	}

	strbuf_release(&buffer);
	it->entry_count = i;
#if DEBUG
	fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
		it->entry_count, it->subtree_nr,
		sha1_to_hex(it->sha1));
#endif
	return i;
}
Exemple #9
0
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
	int newfd, entries, has_errors = 0, line_termination = '\n';
	int read_from_stdin = 0;
	int prefix_length = prefix ? strlen(prefix) : 0;
	int preferred_index_format = 0;
	char set_executable_bit = 0;
	struct refresh_params refresh_args = {0, &has_errors};
	int lock_error = 0;
	int split_index = -1;
	struct lock_file *lock_file;
	struct parse_opt_ctx_t ctx;
	int parseopt_state = PARSE_OPT_UNKNOWN;
	struct option options[] = {
		OPT_BIT('q', NULL, &refresh_args.flags,
			N_("continue refresh even when index needs update"),
			REFRESH_QUIET),
		OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
			N_("refresh: ignore submodules"),
			REFRESH_IGNORE_SUBMODULES),
		OPT_SET_INT(0, "add", &allow_add,
			N_("do not ignore new files"), 1),
		OPT_SET_INT(0, "replace", &allow_replace,
			N_("let files replace directories and vice-versa"), 1),
		OPT_SET_INT(0, "remove", &allow_remove,
			N_("notice files missing from worktree"), 1),
		OPT_BIT(0, "unmerged", &refresh_args.flags,
			N_("refresh even if index contains unmerged entries"),
			REFRESH_UNMERGED),
		{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
			N_("refresh stat information"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			refresh_callback},
		{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
			N_("like --refresh, but ignore assume-unchanged setting"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			really_refresh_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
			N_("<mode>,<object>,<path>"),
			N_("add the specified entry to the index"),
			PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
			(parse_opt_cb *) cacheinfo_callback},
		{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, N_("(+/-)x"),
			N_("override the executable bit of the listed files"),
			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
			chmod_callback},
		{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
			N_("mark files as \"not changing\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
			N_("clear assumed-unchanged bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
			N_("mark files as \"index-only\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
			N_("clear skip-worktree bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_SET_INT(0, "info-only", &info_only,
			N_("add to index only; do not add content to object database"), 1),
		OPT_SET_INT(0, "force-remove", &force_remove,
			N_("remove named paths even if present in worktree"), 1),
		OPT_SET_INT('z', NULL, &line_termination,
			N_("with --stdin: input lines are terminated by null bytes"), '\0'),
		{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
			N_("read list of paths to be updated from standard input"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &line_termination, NULL,
			N_("add entries from standard input to the index"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_cacheinfo_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
			N_("repopulate stages #2 and #3 for the listed paths"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) unresolve_callback},
		{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
			N_("only update entries that differ from HEAD"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) reupdate_callback},
		OPT_BIT(0, "ignore-missing", &refresh_args.flags,
			N_("ignore files missing from worktree"),
			REFRESH_IGNORE_MISSING),
		OPT_SET_INT(0, "verbose", &verbose,
			N_("report actions to standard output"), 1),
		{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
			N_("(for porcelains) forget saved unresolved conflicts"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			resolve_undo_clear_callback},
		OPT_INTEGER(0, "index-version", &preferred_index_format,
			N_("write index in this format")),
		OPT_BOOL(0, "split-index", &split_index,
			N_("enable or disable split index")),
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(update_index_usage, options);

	git_config(git_default_config, NULL);

	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
	lock_file = xcalloc(1, sizeof(struct lock_file));

	newfd = hold_locked_index(lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	/*
	 * Custom copy of parse_options() because we want to handle
	 * filename arguments as they come.
	 */
	parse_options_start(&ctx, argc, argv, prefix,
			    options, PARSE_OPT_STOP_AT_NON_OPTION);
	while (ctx.argc) {
		if (parseopt_state != PARSE_OPT_DONE)
			parseopt_state = parse_options_step(&ctx, options,
							    update_index_usage);
		if (!ctx.argc)
			break;
		switch (parseopt_state) {
		case PARSE_OPT_HELP:
			exit(129);
		case PARSE_OPT_NON_OPTION:
		case PARSE_OPT_DONE:
		{
			const char *path = ctx.argv[0];
			const char *p;

			setup_work_tree();
			p = prefix_path(prefix, prefix_length, path);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free((char *)p);
			ctx.argc--;
			ctx.argv++;
			break;
		}
		case PARSE_OPT_UNKNOWN:
			if (ctx.argv[0][1] == '-')
				error("unknown option '%s'", ctx.argv[0] + 2);
			else
				error("unknown switch '%c'", *ctx.opt);
			usage_with_options(update_index_usage, options);
		}
	}
	argc = parse_options_end(&ctx);
	if (preferred_index_format) {
		if (preferred_index_format < INDEX_FORMAT_LB ||
		    INDEX_FORMAT_UB < preferred_index_format)
			die("index-version %d not in range: %d..%d",
			    preferred_index_format,
			    INDEX_FORMAT_LB, INDEX_FORMAT_UB);

		if (the_index.version != preferred_index_format)
			active_cache_changed |= SOMETHING_CHANGED;
		the_index.version = preferred_index_format;
	}

	if (read_from_stdin) {
		struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;

		setup_work_tree();
		while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
			const char *p;
			if (line_termination && buf.buf[0] == '"') {
				strbuf_reset(&nbuf);
				if (unquote_c_style(&nbuf, buf.buf, NULL))
					die("line is badly quoted");
				strbuf_swap(&buf, &nbuf);
			}
			p = prefix_path(prefix, prefix_length, buf.buf);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free((char *)p);
		}
		strbuf_release(&nbuf);
		strbuf_release(&buf);
	}

	if (split_index > 0) {
		init_split_index(&the_index);
		the_index.cache_changed |= SPLIT_INDEX_ORDERED;
	} else if (!split_index && the_index.split_index) {
		/*
		 * can't discard_split_index(&the_index); because that
		 * will destroy split_index->base->cache[], which may
		 * be shared with the_index.cache[]. So yeah we're
		 * leaking a bit here.
		 */
		the_index.split_index = NULL;
		the_index.cache_changed |= SOMETHING_CHANGED;
	}

	if (active_cache_changed) {
		if (newfd < 0) {
			if (refresh_args.flags & REFRESH_QUIET)
				exit(128);
			unable_to_lock_die(get_index_file(), lock_error);
		}
		if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
			die("Unable to write new index file");
	}

	rollback_lock_file(lock_file);

	return has_errors ? 1 : 0;
}
Exemple #10
0
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
	int newfd, entries, has_errors = 0, nul_term_line = 0;
	enum uc_mode untracked_cache = UC_UNSPECIFIED;
	int read_from_stdin = 0;
	int prefix_length = prefix ? strlen(prefix) : 0;
	int preferred_index_format = 0;
	char set_executable_bit = 0;
	struct refresh_params refresh_args = {0, &has_errors};
	int lock_error = 0;
	int split_index = -1;
	int force_write = 0;
	int fsmonitor = -1;
	struct lock_file lock_file = LOCK_INIT;
	struct parse_opt_ctx_t ctx;
	strbuf_getline_fn getline_fn;
	int parseopt_state = PARSE_OPT_UNKNOWN;
	struct option options[] = {
		OPT_BIT('q', NULL, &refresh_args.flags,
			N_("continue refresh even when index needs update"),
			REFRESH_QUIET),
		OPT_BIT(0, "ignore-submodules", &refresh_args.flags,
			N_("refresh: ignore submodules"),
			REFRESH_IGNORE_SUBMODULES),
		OPT_SET_INT(0, "add", &allow_add,
			N_("do not ignore new files"), 1),
		OPT_SET_INT(0, "replace", &allow_replace,
			N_("let files replace directories and vice-versa"), 1),
		OPT_SET_INT(0, "remove", &allow_remove,
			N_("notice files missing from worktree"), 1),
		OPT_BIT(0, "unmerged", &refresh_args.flags,
			N_("refresh even if index contains unmerged entries"),
			REFRESH_UNMERGED),
		{OPTION_CALLBACK, 0, "refresh", &refresh_args, NULL,
			N_("refresh stat information"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			refresh_callback},
		{OPTION_CALLBACK, 0, "really-refresh", &refresh_args, NULL,
			N_("like --refresh, but ignore assume-unchanged setting"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			really_refresh_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "cacheinfo", NULL,
			N_("<mode>,<object>,<path>"),
			N_("add the specified entry to the index"),
			PARSE_OPT_NOARG | /* disallow --cacheinfo=<mode> form */
			PARSE_OPT_NONEG | PARSE_OPT_LITERAL_ARGHELP,
			(parse_opt_cb *) cacheinfo_callback},
		{OPTION_CALLBACK, 0, "chmod", &set_executable_bit, "(+|-)x",
			N_("override the executable bit of the listed files"),
			PARSE_OPT_NONEG,
			chmod_callback},
		{OPTION_SET_INT, 0, "assume-unchanged", &mark_valid_only, NULL,
			N_("mark files as \"not changing\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-assume-unchanged", &mark_valid_only, NULL,
			N_("clear assumed-unchanged bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		{OPTION_SET_INT, 0, "skip-worktree", &mark_skip_worktree_only, NULL,
			N_("mark files as \"index-only\""),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-skip-worktree", &mark_skip_worktree_only, NULL,
			N_("clear skip-worktree bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_SET_INT(0, "info-only", &info_only,
			N_("add to index only; do not add content to object database"), 1),
		OPT_SET_INT(0, "force-remove", &force_remove,
			N_("remove named paths even if present in worktree"), 1),
		OPT_BOOL('z', NULL, &nul_term_line,
			 N_("with --stdin: input lines are terminated by null bytes")),
		{OPTION_LOWLEVEL_CALLBACK, 0, "stdin", &read_from_stdin, NULL,
			N_("read list of paths to be updated from standard input"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "index-info", &nul_term_line, NULL,
			N_("add entries from standard input to the index"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) stdin_cacheinfo_callback},
		{OPTION_LOWLEVEL_CALLBACK, 0, "unresolve", &has_errors, NULL,
			N_("repopulate stages #2 and #3 for the listed paths"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) unresolve_callback},
		{OPTION_LOWLEVEL_CALLBACK, 'g', "again", &has_errors, NULL,
			N_("only update entries that differ from HEAD"),
			PARSE_OPT_NONEG | PARSE_OPT_NOARG,
			(parse_opt_cb *) reupdate_callback},
		OPT_BIT(0, "ignore-missing", &refresh_args.flags,
			N_("ignore files missing from worktree"),
			REFRESH_IGNORE_MISSING),
		OPT_SET_INT(0, "verbose", &verbose,
			N_("report actions to standard output"), 1),
		{OPTION_CALLBACK, 0, "clear-resolve-undo", NULL, NULL,
			N_("(for porcelains) forget saved unresolved conflicts"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG,
			resolve_undo_clear_callback},
		OPT_INTEGER(0, "index-version", &preferred_index_format,
			N_("write index in this format")),
		OPT_BOOL(0, "split-index", &split_index,
			N_("enable or disable split index")),
		OPT_BOOL(0, "untracked-cache", &untracked_cache,
			N_("enable/disable untracked cache")),
		OPT_SET_INT(0, "test-untracked-cache", &untracked_cache,
			    N_("test if the filesystem supports untracked cache"), UC_TEST),
		OPT_SET_INT(0, "force-untracked-cache", &untracked_cache,
			    N_("enable untracked cache without testing the filesystem"), UC_FORCE),
		OPT_SET_INT(0, "force-write-index", &force_write,
			N_("write out the index even if is not flagged as changed"), 1),
		OPT_BOOL(0, "fsmonitor", &fsmonitor,
			N_("enable or disable file system monitor")),
		{OPTION_SET_INT, 0, "fsmonitor-valid", &mark_fsmonitor_only, NULL,
			N_("mark files as fsmonitor valid"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, MARK_FLAG},
		{OPTION_SET_INT, 0, "no-fsmonitor-valid", &mark_fsmonitor_only, NULL,
			N_("clear fsmonitor valid bit"),
			PARSE_OPT_NOARG | PARSE_OPT_NONEG, NULL, UNMARK_FLAG},
		OPT_END()
	};

	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(update_index_usage, options);

	git_config(git_default_config, NULL);

	/* we will diagnose later if it turns out that we need to update it */
	newfd = hold_locked_index(&lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	/*
	 * Custom copy of parse_options() because we want to handle
	 * filename arguments as they come.
	 */
	parse_options_start(&ctx, argc, argv, prefix,
			    options, PARSE_OPT_STOP_AT_NON_OPTION);
	while (ctx.argc) {
		if (parseopt_state != PARSE_OPT_DONE)
			parseopt_state = parse_options_step(&ctx, options,
							    update_index_usage);
		if (!ctx.argc)
			break;
		switch (parseopt_state) {
		case PARSE_OPT_HELP:
		case PARSE_OPT_ERROR:
			exit(129);
		case PARSE_OPT_NON_OPTION:
		case PARSE_OPT_DONE:
		{
			const char *path = ctx.argv[0];
			char *p;

			setup_work_tree();
			p = prefix_path(prefix, prefix_length, path);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free(p);
			ctx.argc--;
			ctx.argv++;
			break;
		}
		case PARSE_OPT_UNKNOWN:
			if (ctx.argv[0][1] == '-')
				error("unknown option '%s'", ctx.argv[0] + 2);
			else
				error("unknown switch '%c'", *ctx.opt);
			usage_with_options(update_index_usage, options);
		}
	}
	argc = parse_options_end(&ctx);

	getline_fn = nul_term_line ? strbuf_getline_nul : strbuf_getline_lf;
	if (preferred_index_format) {
		if (preferred_index_format < INDEX_FORMAT_LB ||
		    INDEX_FORMAT_UB < preferred_index_format)
			die("index-version %d not in range: %d..%d",
			    preferred_index_format,
			    INDEX_FORMAT_LB, INDEX_FORMAT_UB);

		if (the_index.version != preferred_index_format)
			active_cache_changed |= SOMETHING_CHANGED;
		the_index.version = preferred_index_format;
	}

	if (read_from_stdin) {
		struct strbuf buf = STRBUF_INIT;
		struct strbuf unquoted = STRBUF_INIT;

		setup_work_tree();
		while (getline_fn(&buf, stdin) != EOF) {
			char *p;
			if (!nul_term_line && buf.buf[0] == '"') {
				strbuf_reset(&unquoted);
				if (unquote_c_style(&unquoted, buf.buf, NULL))
					die("line is badly quoted");
				strbuf_swap(&buf, &unquoted);
			}
			p = prefix_path(prefix, prefix_length, buf.buf);
			update_one(p);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			free(p);
		}
		strbuf_release(&unquoted);
		strbuf_release(&buf);
	}

	if (split_index > 0) {
		if (git_config_get_split_index() == 0)
			warning(_("core.splitIndex is set to false; "
				  "remove or change it, if you really want to "
				  "enable split index"));
		if (the_index.split_index)
			the_index.cache_changed |= SPLIT_INDEX_ORDERED;
		else
			add_split_index(&the_index);
	} else if (!split_index) {
		if (git_config_get_split_index() == 1)
			warning(_("core.splitIndex is set to true; "
				  "remove or change it, if you really want to "
				  "disable split index"));
		remove_split_index(&the_index);
	}

	switch (untracked_cache) {
	case UC_UNSPECIFIED:
		break;
	case UC_DISABLE:
		if (git_config_get_untracked_cache() == 1)
			warning(_("core.untrackedCache is set to true; "
				  "remove or change it, if you really want to "
				  "disable the untracked cache"));
		remove_untracked_cache(&the_index);
		report(_("Untracked cache disabled"));
		break;
	case UC_TEST:
		setup_work_tree();
		return !test_if_untracked_cache_is_supported();
	case UC_ENABLE:
	case UC_FORCE:
		if (git_config_get_untracked_cache() == 0)
			warning(_("core.untrackedCache is set to false; "
				  "remove or change it, if you really want to "
				  "enable the untracked cache"));
		add_untracked_cache(&the_index);
		report(_("Untracked cache enabled for '%s'"), get_git_work_tree());
		break;
	default:
		BUG("bad untracked_cache value: %d", untracked_cache);
	}

	if (fsmonitor > 0) {
		if (git_config_get_fsmonitor() == 0)
			warning(_("core.fsmonitor is unset; "
				"set it if you really want to "
				"enable fsmonitor"));
		add_fsmonitor(&the_index);
		report(_("fsmonitor enabled"));
	} else if (!fsmonitor) {
		if (git_config_get_fsmonitor() == 1)
			warning(_("core.fsmonitor is set; "
				"remove it if you really want to "
				"disable fsmonitor"));
		remove_fsmonitor(&the_index);
		report(_("fsmonitor disabled"));
	}

	if (active_cache_changed || force_write) {
		if (newfd < 0) {
			if (refresh_args.flags & REFRESH_QUIET)
				exit(128);
			unable_to_lock_die(get_index_file(), lock_error);
		}
		if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
			die("Unable to write new index file");
	}

	rollback_lock_file(&lock_file);

	return has_errors ? 1 : 0;
}
Exemple #11
0
static int update_one(struct cache_tree *it,
		      struct cache_entry **cache,
		      int entries,
		      const char *base,
		      int baselen,
		      int *skip_count,
		      int flags)
{
	struct strbuf buffer;
	int missing_ok = flags & WRITE_TREE_MISSING_OK;
	int dryrun = flags & WRITE_TREE_DRY_RUN;
	int repair = flags & WRITE_TREE_REPAIR;
	int to_invalidate = 0;
	int i;

	assert(!(dryrun && repair));

	*skip_count = 0;

	if (0 <= it->entry_count && has_sha1_file(it->oid.hash))
		return it->entry_count;

	/*
	 * We first scan for subtrees and update them; we start by
	 * marking existing subtrees -- the ones that are unmarked
	 * should not be in the result.
	 */
	for (i = 0; i < it->subtree_nr; i++)
		it->down[i]->used = 0;

	/*
	 * Find the subtrees and update them.
	 */
	i = 0;
	while (i < entries) {
		const struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, sublen, subcnt, subskip;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (!slash) {
			i++;
			continue;
		}
		/*
		 * a/bbb/c (base = a/, slash = /c)
		 * ==>
		 * path+baselen = bbb/c, sublen = 3
		 */
		sublen = slash - (path + baselen);
		sub = find_subtree(it, path + baselen, sublen, 1);
		if (!sub->cache_tree)
			sub->cache_tree = cache_tree();
		subcnt = update_one(sub->cache_tree,
				    cache + i, entries - i,
				    path,
				    baselen + sublen + 1,
				    &subskip,
				    flags);
		if (subcnt < 0)
			return subcnt;
		if (!subcnt)
			die("index cache-tree records empty sub-tree");
		i += subcnt;
		sub->count = subcnt; /* to be used in the next loop */
		*skip_count += subskip;
		sub->used = 1;
	}

	discard_unused_subtrees(it);

	/*
	 * Then write out the tree object for this level.
	 */
	strbuf_init(&buffer, 8192);

	i = 0;
	while (i < entries) {
		const struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub = NULL;
		const char *path, *slash;
		int pathlen, entlen;
		const struct object_id *oid;
		unsigned mode;
		int expected_missing = 0;
		int contains_ita = 0;
		int ce_missing_ok;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (slash) {
			entlen = slash - (path + baselen);
			sub = find_subtree(it, path + baselen, entlen, 0);
			if (!sub)
				die("cache-tree.c: '%.*s' in '%s' not found",
				    entlen, path + baselen, path);
			i += sub->count;
			oid = &sub->cache_tree->oid;
			mode = S_IFDIR;
			contains_ita = sub->cache_tree->entry_count < 0;
			if (contains_ita) {
				to_invalidate = 1;
				expected_missing = 1;
			}
		}
		else {
			oid = &ce->oid;
			mode = ce->ce_mode;
			entlen = pathlen - baselen;
			i++;
		}

		ce_missing_ok = mode == S_IFGITLINK || missing_ok ||
			(repository_format_partial_clone &&
			 ce_skip_worktree(ce));
		if (is_null_oid(oid) ||
		    (!ce_missing_ok && !has_object_file(oid))) {
			strbuf_release(&buffer);
			if (expected_missing)
				return -1;
			return error("invalid object %06o %s for '%.*s'",
				mode, oid_to_hex(oid), entlen+baselen, path);
		}

		/*
		 * CE_REMOVE entries are removed before the index is
		 * written to disk. Skip them to remain consistent
		 * with the future on-disk index.
		 */
		if (ce->ce_flags & CE_REMOVE) {
			*skip_count = *skip_count + 1;
			continue;
		}

		/*
		 * CE_INTENT_TO_ADD entries exist on on-disk index but
		 * they are not part of generated trees. Invalidate up
		 * to root to force cache-tree users to read elsewhere.
		 */
		if (!sub && ce_intent_to_add(ce)) {
			to_invalidate = 1;
			continue;
		}

		/*
		 * "sub" can be an empty tree if all subentries are i-t-a.
		 */
		if (contains_ita && is_empty_tree_oid(oid))
			continue;

		strbuf_grow(&buffer, entlen + 100);
		strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
		strbuf_add(&buffer, oid->hash, the_hash_algo->rawsz);

#if DEBUG
		fprintf(stderr, "cache-tree update-one %o %.*s\n",
			mode, entlen, path + baselen);
#endif
	}

	if (repair) {
		struct object_id oid;
		hash_object_file(buffer.buf, buffer.len, tree_type, &oid);
		if (has_object_file(&oid))
			oidcpy(&it->oid, &oid);
		else
			to_invalidate = 1;
	} else if (dryrun) {
		hash_object_file(buffer.buf, buffer.len, tree_type, &it->oid);
	} else if (write_object_file(buffer.buf, buffer.len, tree_type,
				     &it->oid)) {
		strbuf_release(&buffer);
		return -1;
	}

	strbuf_release(&buffer);
	it->entry_count = to_invalidate ? -1 : i - *skip_count;
#if DEBUG
	fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
		it->entry_count, it->subtree_nr,
		oid_to_hex(&it->oid));
#endif
	return i;
}
Exemple #12
0
static int update_one(struct cache_tree *it,
		      const struct cache_entry * const *cache,
		      int entries,
		      const char *base,
		      int baselen,
		      int *skip_count,
		      int flags)
{
	struct strbuf buffer;
	int missing_ok = flags & WRITE_TREE_MISSING_OK;
	int dryrun = flags & WRITE_TREE_DRY_RUN;
	int to_invalidate = 0;
	int i;

	*skip_count = 0;

	if (0 <= it->entry_count && has_sha1_file(it->sha1))
		return it->entry_count;

	/*
	 * We first scan for subtrees and update them; we start by
	 * marking existing subtrees -- the ones that are unmarked
	 * should not be in the result.
	 */
	for (i = 0; i < it->subtree_nr; i++)
		it->down[i]->used = 0;

	/*
	 * Find the subtrees and update them.
	 */
	i = 0;
	while (i < entries) {
		const struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, sublen, subcnt, subskip;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (!slash) {
			i++;
			continue;
		}
		/*
		 * a/bbb/c (base = a/, slash = /c)
		 * ==>
		 * path+baselen = bbb/c, sublen = 3
		 */
		sublen = slash - (path + baselen);
		sub = find_subtree(it, path + baselen, sublen, 1);
		if (!sub->cache_tree)
			sub->cache_tree = cache_tree();
		subcnt = update_one(sub->cache_tree,
				    cache + i, entries - i,
				    path,
				    baselen + sublen + 1,
				    &subskip,
				    flags);
		if (subcnt < 0)
			return subcnt;
		i += subcnt;
		sub->count = subcnt; /* to be used in the next loop */
		*skip_count += subskip;
		sub->used = 1;
	}

	discard_unused_subtrees(it);

	/*
	 * Then write out the tree object for this level.
	 */
	strbuf_init(&buffer, 8192);

	i = 0;
	while (i < entries) {
		const struct cache_entry *ce = cache[i];
		struct cache_tree_sub *sub;
		const char *path, *slash;
		int pathlen, entlen;
		const unsigned char *sha1;
		unsigned mode;

		path = ce->name;
		pathlen = ce_namelen(ce);
		if (pathlen <= baselen || memcmp(base, path, baselen))
			break; /* at the end of this level */

		slash = strchr(path + baselen, '/');
		if (slash) {
			entlen = slash - (path + baselen);
			sub = find_subtree(it, path + baselen, entlen, 0);
			if (!sub)
				die("cache-tree.c: '%.*s' in '%s' not found",
				    entlen, path + baselen, path);
			i += sub->count;
			sha1 = sub->cache_tree->sha1;
			mode = S_IFDIR;
			if (sub->cache_tree->entry_count < 0)
				to_invalidate = 1;
		}
		else {
			sha1 = ce->sha1;
			mode = ce->ce_mode;
			entlen = pathlen - baselen;
			i++;
		}
		if (mode != S_IFGITLINK && !missing_ok && !has_sha1_file(sha1)) {
			strbuf_release(&buffer);
			return error("invalid object %06o %s for '%.*s'",
				mode, sha1_to_hex(sha1), entlen+baselen, path);
		}

		/*
		 * CE_REMOVE entries are removed before the index is
		 * written to disk. Skip them to remain consistent
		 * with the future on-disk index.
		 */
		if (ce->ce_flags & CE_REMOVE) {
			*skip_count = *skip_count + 1;
			continue;
		}

		/*
		 * CE_INTENT_TO_ADD entries exist on on-disk index but
		 * they are not part of generated trees. Invalidate up
		 * to root to force cache-tree users to read elsewhere.
		 */
		if (ce->ce_flags & CE_INTENT_TO_ADD) {
			to_invalidate = 1;
			continue;
		}

		strbuf_grow(&buffer, entlen + 100);
		strbuf_addf(&buffer, "%o %.*s%c", mode, entlen, path + baselen, '\0');
		strbuf_add(&buffer, sha1, 20);

#if DEBUG
		fprintf(stderr, "cache-tree update-one %o %.*s\n",
			mode, entlen, path + baselen);
#endif
	}

	if (dryrun)
		hash_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1);
	else if (write_sha1_file(buffer.buf, buffer.len, tree_type, it->sha1)) {
		strbuf_release(&buffer);
		return -1;
	}

	strbuf_release(&buffer);
	it->entry_count = to_invalidate ? -1 : i - *skip_count;
#if DEBUG
	fprintf(stderr, "cache-tree update-one (%d ent, %d subtree) %s\n",
		it->entry_count, it->subtree_nr,
		sha1_to_hex(it->sha1));
#endif
	return i;
}
Exemple #13
0
int cmd_update_index(int argc, const char **argv, const char *prefix)
{
	int i, newfd, entries, has_errors = 0, line_termination = '\n';
	int allow_options = 1;
	int read_from_stdin = 0;
	int prefix_length = prefix ? strlen(prefix) : 0;
	char set_executable_bit = 0;
	unsigned int refresh_flags = 0;
	int lock_error = 0;
	struct lock_file *lock_file;

	git_config(git_default_config, NULL);

	/* We can't free this memory, it becomes part of a linked list parsed atexit() */
	lock_file = xcalloc(1, sizeof(struct lock_file));

	newfd = hold_locked_index(lock_file, 0);
	if (newfd < 0)
		lock_error = errno;

	entries = read_cache();
	if (entries < 0)
		die("cache corrupted");

	for (i = 1 ; i < argc; i++) {
		const char *path = argv[i];
		const char *p;

		if (allow_options && *path == '-') {
			if (!strcmp(path, "--")) {
				allow_options = 0;
				continue;
			}
			if (!strcmp(path, "-q")) {
				refresh_flags |= REFRESH_QUIET;
				continue;
			}
			if (!strcmp(path, "--ignore-submodules")) {
				refresh_flags |= REFRESH_IGNORE_SUBMODULES;
				continue;
			}
			if (!strcmp(path, "--add")) {
				allow_add = 1;
				continue;
			}
			if (!strcmp(path, "--replace")) {
				allow_replace = 1;
				continue;
			}
			if (!strcmp(path, "--remove")) {
				allow_remove = 1;
				continue;
			}
			if (!strcmp(path, "--unmerged")) {
				refresh_flags |= REFRESH_UNMERGED;
				continue;
			}
			if (!strcmp(path, "--refresh")) {
				setup_work_tree();
				has_errors |= refresh_cache(refresh_flags);
				continue;
			}
			if (!strcmp(path, "--really-refresh")) {
				setup_work_tree();
				has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
				continue;
			}
			if (!strcmp(path, "--cacheinfo")) {
				unsigned char sha1[20];
				unsigned int mode;

				if (i+3 >= argc)
					die("git update-index: --cacheinfo <mode> <sha1> <path>");

				if (strtoul_ui(argv[i+1], 8, &mode) ||
				    get_sha1_hex(argv[i+2], sha1) ||
				    add_cacheinfo(mode, sha1, argv[i+3], 0))
					die("git update-index: --cacheinfo"
					    " cannot add %s", argv[i+3]);
				i += 3;
				continue;
			}
			if (!strcmp(path, "--chmod=-x") ||
			    !strcmp(path, "--chmod=+x")) {
				if (argc <= i+1)
					die("git update-index: %s <path>", path);
				set_executable_bit = path[8];
				continue;
			}
			if (!strcmp(path, "--assume-unchanged")) {
				mark_valid_only = MARK_VALID;
				continue;
			}
			if (!strcmp(path, "--no-assume-unchanged")) {
				mark_valid_only = UNMARK_VALID;
				continue;
			}
			if (!strcmp(path, "--info-only")) {
				info_only = 1;
				continue;
			}
			if (!strcmp(path, "--force-remove")) {
				force_remove = 1;
				continue;
			}
			if (!strcmp(path, "-z")) {
				line_termination = 0;
				continue;
			}
			if (!strcmp(path, "--stdin")) {
				if (i != argc - 1)
					die("--stdin must be at the end");
				read_from_stdin = 1;
				break;
			}
			if (!strcmp(path, "--index-info")) {
				if (i != argc - 1)
					die("--index-info must be at the end");
				allow_add = allow_replace = allow_remove = 1;
				read_index_info(line_termination);
				break;
			}
			if (!strcmp(path, "--unresolve")) {
				has_errors = do_unresolve(argc - i, argv + i,
							  prefix, prefix_length);
				if (has_errors)
					active_cache_changed = 0;
				goto finish;
			}
			if (!strcmp(path, "--again") || !strcmp(path, "-g")) {
				setup_work_tree();
				has_errors = do_reupdate(argc - i, argv + i,
							 prefix, prefix_length);
				if (has_errors)
					active_cache_changed = 0;
				goto finish;
			}
			if (!strcmp(path, "--ignore-missing")) {
				refresh_flags |= REFRESH_IGNORE_MISSING;
				continue;
			}
			if (!strcmp(path, "--verbose")) {
				verbose = 1;
				continue;
			}
			if (!strcmp(path, "-h") || !strcmp(path, "--help"))
				usage(update_index_usage);
			die("unknown option %s", path);
		}
		setup_work_tree();
		p = prefix_path(prefix, prefix_length, path);
		update_one(p, NULL, 0);
		if (set_executable_bit)
			chmod_path(set_executable_bit, p);
		if (p < path || p > path + strlen(path))
			free((char*)p);
	}
	if (read_from_stdin) {
		struct strbuf buf = STRBUF_INIT, nbuf = STRBUF_INIT;

		setup_work_tree();
		while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
			const char *p;
			if (line_termination && buf.buf[0] == '"') {
				strbuf_reset(&nbuf);
				if (unquote_c_style(&nbuf, buf.buf, NULL))
					die("line is badly quoted");
				strbuf_swap(&buf, &nbuf);
			}
			p = prefix_path(prefix, prefix_length, buf.buf);
			update_one(p, NULL, 0);
			if (set_executable_bit)
				chmod_path(set_executable_bit, p);
			if (p < buf.buf || p > buf.buf + buf.len)
				free((char *)p);
		}
		strbuf_release(&nbuf);
		strbuf_release(&buf);
	}

 finish:
	if (active_cache_changed) {
		if (newfd < 0) {
			if (refresh_flags & REFRESH_QUIET)
				exit(128);
			unable_to_lock_index_die(get_index_file(), lock_error);
		}
		if (write_cache(newfd, active_cache, active_nr) ||
		    commit_locked_index(lock_file))
			die("Unable to write new index file");
	}

	rollback_lock_file(lock_file);

	return has_errors ? 1 : 0;
}