Пример #1
0
Файл: grep.c Проект: Gregg1/git
static void start_threads(struct grep_opt *opt)
{
	int i;

	pthread_mutex_init(&grep_mutex, NULL);
	pthread_mutex_init(&grep_read_mutex, NULL);
	pthread_mutex_init(&grep_attr_mutex, NULL);
	pthread_cond_init(&cond_add, NULL);
	pthread_cond_init(&cond_write, NULL);
	pthread_cond_init(&cond_result, NULL);
	grep_use_locks = 1;

	for (i = 0; i < ARRAY_SIZE(todo); i++) {
		strbuf_init(&todo[i].out, 0);
	}

	for (i = 0; i < ARRAY_SIZE(threads); i++) {
		int err;
		struct grep_opt *o = grep_opt_dup(opt);
		o->output = strbuf_out;
		o->debug = 0;
		compile_grep_patterns(o);
		err = pthread_create(&threads[i], NULL, run, o);

		if (err)
			die(_("grep: failed to create thread: %s"),
			    strerror(err));
	}
}
Пример #2
0
Файл: grep.c Проект: Gregg1/git
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0, untracked = 0, opt_exclude = -1;
	int seen_dashdash = 0;
	int external_grep_allowed__ignored;
	const char *show_in_pager = NULL, *default_pager = "dummy";
	struct grep_opt opt;
	struct object_array list = OBJECT_ARRAY_INIT;
	const char **paths = NULL;
	struct pathspec pathspec;
	struct string_list path_list = STRING_LIST_INIT_NODUP;
	int i;
	int dummy;
	int use_index = 1;
	int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;

	struct option options[] = {
		OPT_BOOLEAN(0, "cached", &cached,
			N_("search in index instead of in the work tree")),
		OPT_NEGBIT(0, "no-index", &use_index,
			 N_("find in contents not managed by git"), 1),
		OPT_BOOLEAN(0, "untracked", &untracked,
			N_("search in both tracked and untracked files")),
		OPT_SET_INT(0, "exclude-standard", &opt_exclude,
			    N_("search also in ignored files"), 1),
		OPT_GROUP(""),
		OPT_BOOLEAN('v', "invert-match", &opt.invert,
			N_("show non-matching lines")),
		OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
			N_("case insensitive matching")),
		OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
			N_("match patterns only at word boundaries")),
		OPT_SET_INT('a', "text", &opt.binary,
			N_("process binary files as text"), GREP_BINARY_TEXT),
		OPT_SET_INT('I', NULL, &opt.binary,
			N_("don't match patterns in binary files"),
			GREP_BINARY_NOMATCH),
		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
			N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
			NULL, 1 },
		OPT_GROUP(""),
		OPT_SET_INT('E', "extended-regexp", &pattern_type_arg,
			    N_("use extended POSIX regular expressions"),
			    GREP_PATTERN_TYPE_ERE),
		OPT_SET_INT('G', "basic-regexp", &pattern_type_arg,
			    N_("use basic POSIX regular expressions (default)"),
			    GREP_PATTERN_TYPE_BRE),
		OPT_SET_INT('F', "fixed-strings", &pattern_type_arg,
			    N_("interpret patterns as fixed strings"),
			    GREP_PATTERN_TYPE_FIXED),
		OPT_SET_INT('P', "perl-regexp", &pattern_type_arg,
			    N_("use Perl-compatible regular expressions"),
			    GREP_PATTERN_TYPE_PCRE),
		OPT_GROUP(""),
		OPT_BOOLEAN('n', "line-number", &opt.linenum, N_("show line numbers")),
		OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
		OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
		OPT_NEGBIT(0, "full-name", &opt.relative,
			N_("show filenames relative to top directory"), 1),
		OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
			N_("show only filenames instead of matching lines")),
		OPT_BOOLEAN(0, "name-only", &opt.name_only,
			N_("synonym for --files-with-matches")),
		OPT_BOOLEAN('L', "files-without-match",
			&opt.unmatch_name_only,
			N_("show only the names of files without match")),
		OPT_BOOLEAN('z', "null", &opt.null_following_name,
			N_("print NUL after filenames")),
		OPT_BOOLEAN('c', "count", &opt.count,
			N_("show the number of matches instead of matching lines")),
		OPT__COLOR(&opt.color, N_("highlight matches")),
		OPT_BOOLEAN(0, "break", &opt.file_break,
			N_("print empty line between matches from different files")),
		OPT_BOOLEAN(0, "heading", &opt.heading,
			N_("show filename only once above matches from same file")),
		OPT_GROUP(""),
		OPT_CALLBACK('C', "context", &opt, N_("n"),
			N_("show <n> context lines before and after matches"),
			context_callback),
		OPT_INTEGER('B', "before-context", &opt.pre_context,
			N_("show <n> context lines before matches")),
		OPT_INTEGER('A', "after-context", &opt.post_context,
			N_("show <n> context lines after matches")),
		OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
			context_callback),
		OPT_BOOLEAN('p', "show-function", &opt.funcname,
			N_("show a line with the function name before matches")),
		OPT_BOOLEAN('W', "function-context", &opt.funcbody,
			N_("show the surrounding function")),
		OPT_GROUP(""),
		OPT_CALLBACK('f', NULL, &opt, N_("file"),
			N_("read patterns from file"), file_callback),
		{ OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
			N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
		  N_("combine patterns specified with -e"),
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
		OPT_BOOLEAN(0, "or", &dummy, ""),
		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
		{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  open_callback },
		{ OPTION_CALLBACK, ')', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  close_callback },
		OPT__QUIET(&opt.status_only,
			   N_("indicate hit with exit status without output")),
		OPT_BOOLEAN(0, "all-match", &opt.all_match,
			N_("show only matches from files that match all patterns")),
		{ OPTION_SET_INT, 0, "debug", &opt.debug, NULL,
		  N_("show parse tree for grep expression"),
		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1 },
		OPT_GROUP(""),
		{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
			N_("pager"), N_("show matching files in the pager"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
		OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
			    N_("allow calling of grep(1) (ignored by this build)")),
		{ OPTION_CALLBACK, 0, "help-all", &options, NULL, N_("show usage"),
		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
		OPT_END()
	};

	/*
	 * 'git grep -h', unlike 'git grep -h <pattern>', is a request
	 * to show usage information and exit.
	 */
	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(grep_usage, options);

	init_grep_defaults();
	git_config(grep_cmd_config, NULL);
	grep_init(&opt, prefix);

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */
	argc = parse_options(argc, argv, prefix, options, grep_usage,
			     PARSE_OPT_KEEP_DASHDASH |
			     PARSE_OPT_STOP_AT_NON_OPTION |
			     PARSE_OPT_NO_INTERNAL_HELP);
	grep_commit_pattern_type(pattern_type_arg, &opt);

	if (use_index && !startup_info->have_repository)
		/* die the same way as if we did it at the beginning */
		setup_git_directory();

	/*
	 * skip a -- separator; we know it cannot be
	 * separating revisions from pathnames if
	 * we haven't even had any patterns yet
	 */
	if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
		argv++;
		argc--;
	}

	/* First unrecognized non-option token */
	if (argc > 0 && !opt.pattern_list) {
		append_grep_pattern(&opt, argv[0], "command line", 0,
				    GREP_PATTERN);
		argv++;
		argc--;
	}

	if (show_in_pager == default_pager)
		show_in_pager = git_pager(1);
	if (show_in_pager) {
		opt.color = 0;
		opt.name_only = 1;
		opt.null_following_name = 1;
		opt.output_priv = &path_list;
		opt.output = append_path;
		string_list_append(&path_list, show_in_pager);
		use_threads = 0;
	}
	if ((opt.binary & GREP_BINARY_NOMATCH))
		use_threads = 0;

	if (!opt.pattern_list)
		die(_("no pattern given."));
	if (!opt.fixed && opt.ignore_case)
		opt.regflags |= REG_ICASE;

	compile_grep_patterns(&opt);

	/* Check revs and then paths */
	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];
		unsigned char sha1[20];
		/* Is it a rev? */
		if (!get_sha1(arg, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die(_("bad object %s"), arg);
			add_object_array(object, arg, &list);
			continue;
		}
		if (!strcmp(arg, "--")) {
			i++;
			seen_dashdash = 1;
		}
		break;
	}

#ifndef NO_PTHREADS
	if (list.nr || cached || online_cpus() == 1)
		use_threads = 0;
#else
	use_threads = 0;
#endif

#ifndef NO_PTHREADS
	if (use_threads) {
		if (!(opt.name_only || opt.unmatch_name_only || opt.count)
		    && (opt.pre_context || opt.post_context ||
			opt.file_break || opt.funcbody))
			skip_first_line = 1;
		start_threads(&opt);
	}
#endif

	/* The rest are paths */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j], j == i);
	}

	paths = get_pathspec(prefix, argv + i);
	init_pathspec(&pathspec, paths);
	pathspec.max_depth = opt.max_depth;
	pathspec.recursive = 1;

	if (show_in_pager && (cached || list.nr))
		die(_("--open-files-in-pager only works on the worktree"));

	if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) {
		const char *pager = path_list.items[0].string;
		int len = strlen(pager);

		if (len > 4 && is_dir_sep(pager[len - 5]))
			pager += len - 4;

		if (opt.ignore_case && !strcmp("less", pager))
			string_list_append(&path_list, "-i");

		if (!strcmp("less", pager) || !strcmp("vi", pager)) {
			struct strbuf buf = STRBUF_INIT;
			strbuf_addf(&buf, "+/%s%s",
					strcmp("less", pager) ? "" : "*",
					opt.pattern_list->pattern);
			string_list_append(&path_list, buf.buf);
			strbuf_detach(&buf, NULL);
		}
	}

	if (!show_in_pager)
		setup_pager();

	if (!use_index && (untracked || cached))
		die(_("--cached or --untracked cannot be used with --no-index."));

	if (!use_index || untracked) {
		int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
		if (list.nr)
			die(_("--no-index or --untracked cannot be used with revs."));
		hit = grep_directory(&opt, &pathspec, use_exclude);
	} else if (0 <= opt_exclude) {
		die(_("--[no-]exclude-standard cannot be used for tracked contents."));
	} else if (!list.nr) {
		if (!cached)
			setup_work_tree();

		hit = grep_cache(&opt, &pathspec, cached);
	} else {
		if (cached)
			die(_("both --cached and trees are given."));
		hit = grep_objects(&opt, &pathspec, &list);
	}

	if (use_threads)
		hit |= wait_all();
	if (hit && show_in_pager)
		run_pager(&opt, prefix);
	free_grep_patterns(&opt);
	return !hit;
}
Пример #3
0
void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
		    char *path, int pager, int commit_graph, int log_order)
{
	struct rev_info rev;
	struct commit *commit;
	struct vector vec = VECTOR_INIT(char *);
	int i, columns = 3;
	char *arg;

	/* First argv is NULL */
	vector_push(&vec, NULL, 0);

	if (!tip)
		tip = ctx.qry.head;
	tip = disambiguate_ref(tip);
	vector_push(&vec, &tip, 0);

	if (grep && pattern && *pattern) {
		pattern = xstrdup(pattern);
		if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
		    !strcmp(grep, "committer")) {
			arg = fmt("--%s=%s", grep, pattern);
			vector_push(&vec, &arg, 0);
		}
		if (!strcmp(grep, "range")) {
			/* Split the pattern at whitespace and add each token
			 * as a revision expression. Do not accept other
			 * rev-list options. Also, replace the previously
			 * pushed tip (it's no longer relevant).
			 */
			vec.count--;
			while ((arg = next_token(&pattern))) {
				if (*arg == '-') {
					fprintf(stderr, "Bad range expr: %s\n",
						arg);
					break;
				}
				vector_push(&vec, &arg, 0);
			}
		}
	}
	if (commit_graph) {
		static const char *graph_arg = "--graph";
		static const char *color_arg = "--color";
		vector_push(&vec, &graph_arg, 0);
		vector_push(&vec, &color_arg, 0);
		graph_set_column_colors(column_colors_html,
					COLUMN_COLORS_HTML_MAX);
	}

	if (log_order == 1) {
		static const char *date_order_arg = "--date-order";
		vector_push(&vec, &date_order_arg, 0);
	} else if (log_order == 2) {
		static const char *topo_order_arg = "--topo-order";
		vector_push(&vec, &topo_order_arg, 0);
	}

	if (path) {
		arg = "--";
		vector_push(&vec, &arg, 0);
		vector_push(&vec, &path, 0);
	}

	/* Make sure the vector is NULL-terminated */
	vector_push(&vec, NULL, 0);
	vec.count--;

	init_revisions(&rev, NULL);
	rev.abbrev = DEFAULT_ABBREV;
	rev.commit_format = CMIT_FMT_DEFAULT;
	rev.verbose_header = 1;
	rev.show_root_diff = 0;
	setup_revisions(vec.count, vec.data, &rev, NULL);
	load_ref_decorations(DECORATE_FULL_REFS);
	rev.show_decorations = 1;
	rev.grep_filter.regflags |= REG_ICASE;
	compile_grep_patterns(&rev.grep_filter);
	prepare_revision_walk(&rev);

	if (pager)
		html("<table class='list nowrap'>");

	html("<tr class='nohover'>");
	if (commit_graph)
		html("<th></th>");
	else
		html("<th class='left'>Age</th>");
	html("<th class='left'>Commit message");
	if (pager) {
		html(" (");
		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
			      NULL, ctx.qry.head, ctx.qry.sha1,
			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
		html(")");
	}
	html("</th><th class='left'>Author</th>");
	if (commit_graph)
		html("<th class='left'>Age</th>");
	if (ctx.repo->enable_log_filecount) {
		html("<th class='left'>Files</th>");
		columns++;
	}
	if (ctx.repo->enable_log_linecount) {
		html("<th class='left'>Lines</th>");
		columns++;
	}
	html("</tr>\n");

	if (ofs<0)
		ofs = 0;

	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}

	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
		print_commit(commit, &rev);
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}
	if (pager) {
		html("</table><div class='pager'>");
		if (ofs > 0) {
			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs - cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
			html("&nbsp;");
		}
		if ((commit = get_revision(&rev)) != NULL) {
			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs + cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
		}
		html("</div>");
	} else if ((commit = get_revision(&rev)) != NULL) {
		html("<tr class='nohover'><td colspan='3'>");
		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
		html("</td></tr>\n");
	}
}
Пример #4
0
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0;
	int seen_dashdash = 0;
	int external_grep_allowed__ignored;
	struct grep_opt opt;
	struct object_array list = { 0, 0, NULL };
	const char **paths = NULL;
	int i;
	int dummy;
	int nongit = 0, use_index = 1;
	struct option options[] = {
		OPT_BOOLEAN(0, "cached", &cached,
			"search in index instead of in the work tree"),
		OPT_BOOLEAN(0, "index", &use_index,
			"--no-index finds in contents not managed by git"),
		OPT_GROUP(""),
		OPT_BOOLEAN('v', "invert-match", &opt.invert,
			"show non-matching lines"),
		OPT_BOOLEAN('i', "ignore-case", &opt.ignore_case,
			"case insensitive matching"),
		OPT_BOOLEAN('w', "word-regexp", &opt.word_regexp,
			"match patterns only at word boundaries"),
		OPT_SET_INT('a', "text", &opt.binary,
			"process binary files as text", GREP_BINARY_TEXT),
		OPT_SET_INT('I', NULL, &opt.binary,
			"don't match patterns in binary files",
			GREP_BINARY_NOMATCH),
		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, "depth",
			"descend at most <depth> levels", PARSE_OPT_NONEG,
			NULL, 1 },
		OPT_GROUP(""),
		OPT_BIT('E', "extended-regexp", &opt.regflags,
			"use extended POSIX regular expressions", REG_EXTENDED),
		OPT_NEGBIT('G', "basic-regexp", &opt.regflags,
			"use basic POSIX regular expressions (default)",
			REG_EXTENDED),
		OPT_BOOLEAN('F', "fixed-strings", &opt.fixed,
			"interpret patterns as fixed strings"),
		OPT_GROUP(""),
		OPT_BOOLEAN('n', NULL, &opt.linenum, "show line numbers"),
		OPT_NEGBIT('h', NULL, &opt.pathname, "don't show filenames", 1),
		OPT_BIT('H', NULL, &opt.pathname, "show filenames", 1),
		OPT_NEGBIT(0, "full-name", &opt.relative,
			"show filenames relative to top directory", 1),
		OPT_BOOLEAN('l', "files-with-matches", &opt.name_only,
			"show only filenames instead of matching lines"),
		OPT_BOOLEAN(0, "name-only", &opt.name_only,
			"synonym for --files-with-matches"),
		OPT_BOOLEAN('L', "files-without-match",
			&opt.unmatch_name_only,
			"show only the names of files without match"),
		OPT_BOOLEAN('z', "null", &opt.null_following_name,
			"print NUL after filenames"),
		OPT_BOOLEAN('c', "count", &opt.count,
			"show the number of matches instead of matching lines"),
		OPT_SET_INT(0, "color", &opt.color, "highlight matches", 1),
		OPT_GROUP(""),
		OPT_CALLBACK('C', NULL, &opt, "n",
			"show <n> context lines before and after matches",
			context_callback),
		OPT_INTEGER('B', NULL, &opt.pre_context,
			"show <n> context lines before matches"),
		OPT_INTEGER('A', NULL, &opt.post_context,
			"show <n> context lines after matches"),
		OPT_NUMBER_CALLBACK(&opt, "shortcut for -C NUM",
			context_callback),
		OPT_BOOLEAN('p', "show-function", &opt.funcname,
			"show a line with the function name before matches"),
		OPT_GROUP(""),
		OPT_CALLBACK('f', NULL, &opt, "file",
			"read patterns from file", file_callback),
		{ OPTION_CALLBACK, 'e', NULL, &opt, "pattern",
			"match <pattern>", PARSE_OPT_NONEG, pattern_callback },
		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
		  "combine patterns specified with -e",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
		OPT_BOOLEAN(0, "or", &dummy, ""),
		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
		{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  open_callback },
		{ OPTION_CALLBACK, ')', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  close_callback },
		OPT_BOOLEAN('q', "quiet", &opt.status_only,
			    "indicate hit with exit status without output"),
		OPT_BOOLEAN(0, "all-match", &opt.all_match,
			"show only matches from files that match all patterns"),
		OPT_GROUP(""),
		OPT_BOOLEAN(0, "ext-grep", &external_grep_allowed__ignored,
			    "allow calling of grep(1) (ignored by this build)"),
		{ OPTION_CALLBACK, 0, "help-all", &options, NULL, "show usage",
		  PARSE_OPT_HIDDEN | PARSE_OPT_NOARG, help_callback },
		OPT_END()
	};

	prefix = setup_git_directory_gently(&nongit);

	/*
	 * 'git grep -h', unlike 'git grep -h <pattern>', is a request
	 * to show usage information and exit.
	 */
	if (argc == 2 && !strcmp(argv[1], "-h"))
		usage_with_options(grep_usage, options);

	memset(&opt, 0, sizeof(opt));
	opt.prefix = prefix;
	opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
	opt.relative = 1;
	opt.pathname = 1;
	opt.pattern_tail = &opt.pattern_list;
	opt.regflags = REG_NEWLINE;
	opt.max_depth = -1;

	strcpy(opt.color_match, GIT_COLOR_RED GIT_COLOR_BOLD);
	opt.color = -1;
	git_config(grep_config, &opt);
	if (opt.color == -1)
		opt.color = git_use_color_default;

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */
	argc = parse_options(argc, argv, prefix, options, grep_usage,
			     PARSE_OPT_KEEP_DASHDASH |
			     PARSE_OPT_STOP_AT_NON_OPTION |
			     PARSE_OPT_NO_INTERNAL_HELP);

	if (use_index && nongit)
		/* die the same way as if we did it at the beginning */
		setup_git_directory();

	/*
	 * skip a -- separator; we know it cannot be
	 * separating revisions from pathnames if
	 * we haven't even had any patterns yet
	 */
	if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
		argv++;
		argc--;
	}

	/* First unrecognized non-option token */
	if (argc > 0 && !opt.pattern_list) {
		append_grep_pattern(&opt, argv[0], "command line", 0,
				    GREP_PATTERN);
		argv++;
		argc--;
	}

	if (!opt.pattern_list)
		die("no pattern given.");
	if (!opt.fixed && opt.ignore_case)
		opt.regflags |= REG_ICASE;
	if ((opt.regflags != REG_NEWLINE) && opt.fixed)
		die("cannot mix --fixed-strings and regexp");

#ifndef NO_PTHREADS
	if (online_cpus() == 1 || !grep_threads_ok(&opt))
		use_threads = 0;

	if (use_threads)
		start_threads(&opt);
#else
	use_threads = 0;
#endif

	compile_grep_patterns(&opt);

	/* Check revs and then paths */
	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];
		unsigned char sha1[20];
		/* Is it a rev? */
		if (!get_sha1(arg, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die("bad object %s", arg);
			add_object_array(object, arg, &list);
			continue;
		}
		if (!strcmp(arg, "--")) {
			i++;
			seen_dashdash = 1;
		}
		break;
	}

	/* The rest are paths */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j]);
	}

	if (i < argc)
		paths = get_pathspec(prefix, argv + i);
	else if (prefix) {
		paths = xcalloc(2, sizeof(const char *));
		paths[0] = prefix;
		paths[1] = NULL;
	}

	if (!use_index) {
		int hit;
		if (cached)
			die("--cached cannot be used with --no-index.");
		if (list.nr)
			die("--no-index cannot be used with revs.");
		hit = grep_directory(&opt, paths);
		if (use_threads)
			hit |= wait_all();
		return !hit;
	}

	if (!list.nr) {
		int hit;
		if (!cached)
			setup_work_tree();

		hit = grep_cache(&opt, paths, cached);
		if (use_threads)
			hit |= wait_all();
		return !hit;
	}

	if (cached)
		die("both --cached and trees are given.");

	for (i = 0; i < list.nr; i++) {
		struct object *real_obj;
		real_obj = deref_tag(list.objects[i].item, NULL, 0);
		if (grep_object(&opt, paths, real_obj, list.objects[i].name)) {
			hit = 1;
			if (opt.status_only)
				break;
		}
	}

	if (use_threads)
		hit |= wait_all();
	free_grep_patterns(&opt);
	return !hit;
}
Пример #5
0
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0, untracked = 0, opt_exclude = -1;
	int seen_dashdash = 0;
	int external_grep_allowed__ignored;
	const char *show_in_pager = NULL, *default_pager = "dummy";
	struct grep_opt opt;
	struct object_array list = OBJECT_ARRAY_INIT;
	struct pathspec pathspec;
	struct string_list path_list = STRING_LIST_INIT_NODUP;
	int i;
	int dummy;
	int use_index = 1;
	int pattern_type_arg = GREP_PATTERN_TYPE_UNSPECIFIED;
	int allow_revs;

	struct option options[] = {
		OPT_BOOL(0, "cached", &cached,
			N_("search in index instead of in the work tree")),
		OPT_NEGBIT(0, "no-index", &use_index,
			 N_("find in contents not managed by git"), 1),
		OPT_BOOL(0, "untracked", &untracked,
			N_("search in both tracked and untracked files")),
		OPT_SET_INT(0, "exclude-standard", &opt_exclude,
			    N_("ignore files specified via '.gitignore'"), 1),
		OPT_BOOL(0, "recurse-submodules", &recurse_submodules,
			 N_("recursively search in each submodule")),
		OPT_GROUP(""),
		OPT_BOOL('v', "invert-match", &opt.invert,
			N_("show non-matching lines")),
		OPT_BOOL('i', "ignore-case", &opt.ignore_case,
			N_("case insensitive matching")),
		OPT_BOOL('w', "word-regexp", &opt.word_regexp,
			N_("match patterns only at word boundaries")),
		OPT_SET_INT('a', "text", &opt.binary,
			N_("process binary files as text"), GREP_BINARY_TEXT),
		OPT_SET_INT('I', NULL, &opt.binary,
			N_("don't match patterns in binary files"),
			GREP_BINARY_NOMATCH),
		OPT_BOOL(0, "textconv", &opt.allow_textconv,
			 N_("process binary files with textconv filters")),
		{ OPTION_INTEGER, 0, "max-depth", &opt.max_depth, N_("depth"),
			N_("descend at most <depth> levels"), PARSE_OPT_NONEG,
			NULL, 1 },
		OPT_GROUP(""),
		OPT_SET_INT('E', "extended-regexp", &pattern_type_arg,
			    N_("use extended POSIX regular expressions"),
			    GREP_PATTERN_TYPE_ERE),
		OPT_SET_INT('G', "basic-regexp", &pattern_type_arg,
			    N_("use basic POSIX regular expressions (default)"),
			    GREP_PATTERN_TYPE_BRE),
		OPT_SET_INT('F', "fixed-strings", &pattern_type_arg,
			    N_("interpret patterns as fixed strings"),
			    GREP_PATTERN_TYPE_FIXED),
		OPT_SET_INT('P', "perl-regexp", &pattern_type_arg,
			    N_("use Perl-compatible regular expressions"),
			    GREP_PATTERN_TYPE_PCRE),
		OPT_GROUP(""),
		OPT_BOOL('n', "line-number", &opt.linenum, N_("show line numbers")),
		OPT_NEGBIT('h', NULL, &opt.pathname, N_("don't show filenames"), 1),
		OPT_BIT('H', NULL, &opt.pathname, N_("show filenames"), 1),
		OPT_NEGBIT(0, "full-name", &opt.relative,
			N_("show filenames relative to top directory"), 1),
		OPT_BOOL('l', "files-with-matches", &opt.name_only,
			N_("show only filenames instead of matching lines")),
		OPT_BOOL(0, "name-only", &opt.name_only,
			N_("synonym for --files-with-matches")),
		OPT_BOOL('L', "files-without-match",
			&opt.unmatch_name_only,
			N_("show only the names of files without match")),
		OPT_BOOL('z', "null", &opt.null_following_name,
			N_("print NUL after filenames")),
		OPT_BOOL('c', "count", &opt.count,
			N_("show the number of matches instead of matching lines")),
		OPT__COLOR(&opt.color, N_("highlight matches")),
		OPT_BOOL(0, "break", &opt.file_break,
			N_("print empty line between matches from different files")),
		OPT_BOOL(0, "heading", &opt.heading,
			N_("show filename only once above matches from same file")),
		OPT_GROUP(""),
		OPT_CALLBACK('C', "context", &opt, N_("n"),
			N_("show <n> context lines before and after matches"),
			context_callback),
		OPT_INTEGER('B', "before-context", &opt.pre_context,
			N_("show <n> context lines before matches")),
		OPT_INTEGER('A', "after-context", &opt.post_context,
			N_("show <n> context lines after matches")),
		OPT_INTEGER(0, "threads", &num_threads,
			N_("use <n> worker threads")),
		OPT_NUMBER_CALLBACK(&opt, N_("shortcut for -C NUM"),
			context_callback),
		OPT_BOOL('p', "show-function", &opt.funcname,
			N_("show a line with the function name before matches")),
		OPT_BOOL('W', "function-context", &opt.funcbody,
			N_("show the surrounding function")),
		OPT_GROUP(""),
		OPT_CALLBACK('f', NULL, &opt, N_("file"),
			N_("read patterns from file"), file_callback),
		{ OPTION_CALLBACK, 'e', NULL, &opt, N_("pattern"),
			N_("match <pattern>"), PARSE_OPT_NONEG, pattern_callback },
		{ OPTION_CALLBACK, 0, "and", &opt, NULL,
		  N_("combine patterns specified with -e"),
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, and_callback },
		OPT_BOOL(0, "or", &dummy, ""),
		{ OPTION_CALLBACK, 0, "not", &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG, not_callback },
		{ OPTION_CALLBACK, '(', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  open_callback },
		{ OPTION_CALLBACK, ')', NULL, &opt, NULL, "",
		  PARSE_OPT_NOARG | PARSE_OPT_NONEG | PARSE_OPT_NODASH,
		  close_callback },
		OPT__QUIET(&opt.status_only,
			   N_("indicate hit with exit status without output")),
		OPT_BOOL(0, "all-match", &opt.all_match,
			N_("show only matches from files that match all patterns")),
		{ OPTION_SET_INT, 0, "debug", &opt.debug, NULL,
		  N_("show parse tree for grep expression"),
		  PARSE_OPT_NOARG | PARSE_OPT_HIDDEN, NULL, 1 },
		OPT_GROUP(""),
		{ OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager,
			N_("pager"), N_("show matching files in the pager"),
			PARSE_OPT_OPTARG, NULL, (intptr_t)default_pager },
		OPT_BOOL(0, "ext-grep", &external_grep_allowed__ignored,
			 N_("allow calling of grep(1) (ignored by this build)")),
		OPT_END()
	};

	init_grep_defaults();
	git_config(grep_cmd_config, NULL);
	grep_init(&opt, prefix);

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */
	argc = parse_options(argc, argv, prefix, options, grep_usage,
			     PARSE_OPT_KEEP_DASHDASH |
			     PARSE_OPT_STOP_AT_NON_OPTION);
	grep_commit_pattern_type(pattern_type_arg, &opt);

	if (use_index && !startup_info->have_repository) {
		int fallback = 0;
		git_config_get_bool("grep.fallbacktonoindex", &fallback);
		if (fallback)
			use_index = 0;
		else
			/* die the same way as if we did it at the beginning */
			setup_git_directory();
	}

	/*
	 * skip a -- separator; we know it cannot be
	 * separating revisions from pathnames if
	 * we haven't even had any patterns yet
	 */
	if (argc > 0 && !opt.pattern_list && !strcmp(argv[0], "--")) {
		argv++;
		argc--;
	}

	/* First unrecognized non-option token */
	if (argc > 0 && !opt.pattern_list) {
		append_grep_pattern(&opt, argv[0], "command line", 0,
				    GREP_PATTERN);
		argv++;
		argc--;
	}

	if (show_in_pager == default_pager)
		show_in_pager = git_pager(1);
	if (show_in_pager) {
		opt.color = 0;
		opt.name_only = 1;
		opt.null_following_name = 1;
		opt.output_priv = &path_list;
		opt.output = append_path;
		string_list_append(&path_list, show_in_pager);
	}

	if (!opt.pattern_list)
		die(_("no pattern given."));

	/*
	 * We have to find "--" in a separate pass, because its presence
	 * influences how we will parse arguments that come before it.
	 */
	for (i = 0; i < argc; i++) {
		if (!strcmp(argv[i], "--")) {
			seen_dashdash = 1;
			break;
		}
	}

	/*
	 * Resolve any rev arguments. If we have a dashdash, then everything up
	 * to it must resolve as a rev. If not, then we stop at the first
	 * non-rev and assume everything else is a path.
	 */
	allow_revs = use_index && !untracked;
	for (i = 0; i < argc; i++) {
		const char *arg = argv[i];
		struct object_id oid;
		struct object_context oc;
		struct object *object;

		if (!strcmp(arg, "--")) {
			i++;
			break;
		}

		if (!allow_revs) {
			if (seen_dashdash)
				die(_("--no-index or --untracked cannot be used with revs"));
			break;
		}

		if (get_oid_with_context(arg, GET_OID_RECORD_PATH,
					 &oid, &oc)) {
			if (seen_dashdash)
				die(_("unable to resolve revision: %s"), arg);
			break;
		}

		object = parse_object_or_die(&oid, arg);
		if (!seen_dashdash)
			verify_non_filename(prefix, arg);
		add_object_array_with_path(object, arg, &list, oc.mode, oc.path);
		free(oc.path);
	}

	/*
	 * Anything left over is presumed to be a path. But in the non-dashdash
	 * "do what I mean" case, we verify and complain when that isn't true.
	 */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j], j == i && allow_revs);
	}

	parse_pathspec(&pathspec, 0,
		       PATHSPEC_PREFER_CWD |
		       (opt.max_depth != -1 ? PATHSPEC_MAXDEPTH_VALID : 0),
		       prefix, argv + i);
	pathspec.max_depth = opt.max_depth;
	pathspec.recursive = 1;
	pathspec.recurse_submodules = !!recurse_submodules;

#ifndef NO_PTHREADS
	if (list.nr || cached || show_in_pager)
		num_threads = 0;
	else if (num_threads == 0)
		num_threads = GREP_NUM_THREADS_DEFAULT;
	else if (num_threads < 0)
		die(_("invalid number of threads specified (%d)"), num_threads);
	if (num_threads == 1)
		num_threads = 0;
#else
	if (num_threads)
		warning(_("no threads support, ignoring --threads"));
	num_threads = 0;
#endif

	if (!num_threads)
		/*
		 * The compiled patterns on the main path are only
		 * used when not using threading. Otherwise
		 * start_threads() below calls compile_grep_patterns()
		 * for each thread.
		 */
		compile_grep_patterns(&opt);

#ifndef NO_PTHREADS
	if (num_threads) {
		if (!(opt.name_only || opt.unmatch_name_only || opt.count)
		    && (opt.pre_context || opt.post_context ||
			opt.file_break || opt.funcbody))
			skip_first_line = 1;
		start_threads(&opt);
	}
#endif

	if (show_in_pager && (cached || list.nr))
		die(_("--open-files-in-pager only works on the worktree"));

	if (show_in_pager && opt.pattern_list && !opt.pattern_list->next) {
		const char *pager = path_list.items[0].string;
		int len = strlen(pager);

		if (len > 4 && is_dir_sep(pager[len - 5]))
			pager += len - 4;

		if (opt.ignore_case && !strcmp("less", pager))
			string_list_append(&path_list, "-I");

		if (!strcmp("less", pager) || !strcmp("vi", pager)) {
			struct strbuf buf = STRBUF_INIT;
			strbuf_addf(&buf, "+/%s%s",
					strcmp("less", pager) ? "" : "*",
					opt.pattern_list->pattern);
			string_list_append(&path_list, buf.buf);
			strbuf_detach(&buf, NULL);
		}
	}

	if (recurse_submodules && (!use_index || untracked))
		die(_("option not supported with --recurse-submodules."));

	if (!show_in_pager && !opt.status_only)
		setup_pager();

	if (!use_index && (untracked || cached))
		die(_("--cached or --untracked cannot be used with --no-index."));

	if (!use_index || untracked) {
		int use_exclude = (opt_exclude < 0) ? use_index : !!opt_exclude;
		hit = grep_directory(&opt, &pathspec, use_exclude, use_index);
	} else if (0 <= opt_exclude) {
		die(_("--[no-]exclude-standard cannot be used for tracked contents."));
	} else if (!list.nr) {
		if (!cached)
			setup_work_tree();

		hit = grep_cache(&opt, the_repository, &pathspec, cached);
	} else {
		if (cached)
			die(_("both --cached and trees are given."));

		hit = grep_objects(&opt, &pathspec, the_repository, &list);
	}

	if (num_threads)
		hit |= wait_all();
	if (hit && show_in_pager)
		run_pager(&opt, prefix);
	clear_pathspec(&pathspec);
	free_grep_patterns(&opt);
	return !hit;
}
Пример #6
0
/*
 * Parse revision information, filling in the "rev_info" structure,
 * and removing the used arguments from the argument list.
 *
 * Returns the number of arguments left that weren't recognized
 * (which are also moved to the head of the argument list)
 */
int setup_revisions(int argc, const char **argv, struct rev_info *revs, const char *def)
{
	int i, flags, left, seen_dashdash;

	/* First, search for "--" */
	seen_dashdash = 0;
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];
		if (strcmp(arg, "--"))
			continue;
		argv[i] = NULL;
		argc = i;
		if (argv[i + 1])
			revs->prune_data = get_pathspec(revs->prefix, argv + i + 1);
		seen_dashdash = 1;
		break;
	}

	/* Second, deal with arguments and options */
	flags = 0;
	for (left = i = 1; i < argc; i++) {
		const char *arg = argv[i];
		if (*arg == '-') {
			int opts;

			if (!strcmp(arg, "--all")) {
				handle_refs(revs, flags, for_each_ref);
				continue;
			}
			if (!strcmp(arg, "--branches")) {
				handle_refs(revs, flags, for_each_branch_ref);
				continue;
			}
			if (!strcmp(arg, "--tags")) {
				handle_refs(revs, flags, for_each_tag_ref);
				continue;
			}
			if (!strcmp(arg, "--remotes")) {
				handle_refs(revs, flags, for_each_remote_ref);
				continue;
			}
			if (!strcmp(arg, "--reflog")) {
				handle_reflog(revs, flags);
				continue;
			}
			if (!strcmp(arg, "--not")) {
				flags ^= UNINTERESTING;
				continue;
			}
			if (!strcmp(arg, "--no-walk")) {
				revs->no_walk = 1;
				continue;
			}
			if (!strcmp(arg, "--do-walk")) {
				revs->no_walk = 0;
				continue;
			}

			opts = handle_revision_opt(revs, argc - i, argv + i, &left, argv);
			if (opts > 0) {
				i += opts - 1;
				continue;
			}
			if (opts < 0)
				exit(128);
			continue;
		}

		if (handle_revision_arg(arg, revs, flags, seen_dashdash)) {
			int j;
			if (seen_dashdash || *arg == '^')
				die("bad revision '%s'", arg);

			/* If we didn't have a "--":
			 * (1) all filenames must exist;
			 * (2) all rev-args must not be interpretable
			 *     as a valid filename.
			 * but the latter we have checked in the main loop.
			 */
			for (j = i; j < argc; j++)
				verify_filename(revs->prefix, argv[j]);

			revs->prune_data = get_pathspec(revs->prefix,
							argv + i);
			break;
		}
	}

	if (revs->def == NULL)
		revs->def = def;
	if (revs->show_merge)
		prepare_show_merge(revs);
	if (revs->def && !revs->pending.nr) {
		unsigned char sha1[20];
		struct object *object;
		unsigned mode;
		if (get_sha1_with_mode(revs->def, sha1, &mode))
			die("bad default revision '%s'", revs->def);
		object = get_reference(revs, revs->def, sha1, 0);
		add_pending_object_with_mode(revs, object, revs->def, mode);
	}

	/* Did the user ask for any diff output? Run the diff! */
	if (revs->diffopt.output_format & ~DIFF_FORMAT_NO_OUTPUT)
		revs->diff = 1;

	/* Pickaxe, diff-filter and rename following need diffs */
	if (revs->diffopt.pickaxe ||
	    revs->diffopt.filter ||
	    DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
		revs->diff = 1;

	if (revs->topo_order)
		revs->limited = 1;

	if (revs->prune_data) {
		diff_tree_setup_paths(revs->prune_data, &revs->pruning);
		/* Can't prune commits with rename following: the paths change.. */
		if (!DIFF_OPT_TST(&revs->diffopt, FOLLOW_RENAMES))
			revs->prune = 1;
		if (!revs->full_diff)
			diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
	}
	if (revs->combine_merges) {
		revs->ignore_merges = 0;
		if (revs->dense_combined_merges && !revs->diffopt.output_format)
			revs->diffopt.output_format = DIFF_FORMAT_PATCH;
	}
	revs->diffopt.abbrev = revs->abbrev;
	if (diff_setup_done(&revs->diffopt) < 0)
		die("diff_setup_done failed");

	compile_grep_patterns(&revs->grep_filter);

	if (revs->reverse && revs->reflog_info)
		die("cannot combine --reverse with --walk-reflogs");
	if (revs->rewrite_parents && revs->children.name)
		die("cannot combine --parents and --children");

	/*
	 * Limitations on the graph functionality
	 */
	if (revs->reverse && revs->graph)
		die("cannot combine --reverse with --graph");

	if (revs->reflog_info && revs->graph)
		die("cannot combine --walk-reflogs with --graph");

	return left;
}
Пример #7
0
int cmd_grep(int argc, const char **argv, const char *prefix)
{
	int hit = 0;
	int cached = 0;
	int seen_dashdash = 0;
	struct grep_opt opt;
	struct object_array list = { 0, 0, NULL };
	const char **paths = NULL;
	int i;

	memset(&opt, 0, sizeof(opt));
	opt.prefix_length = (prefix && *prefix) ? strlen(prefix) : 0;
	opt.relative = 1;
	opt.pathname = 1;
	opt.pattern_tail = &opt.pattern_list;
	opt.regflags = REG_NEWLINE;

	/*
	 * If there is no -- then the paths must exist in the working
	 * tree.  If there is no explicit pattern specified with -e or
	 * -f, we take the first unrecognized non option to be the
	 * pattern, but then what follows it must be zero or more
	 * valid refs up to the -- (if exists), and then existing
	 * paths.  If there is an explicit pattern, then the first
	 * unrecognized non option is the beginning of the refs list
	 * that continues up to the -- (if exists), and then paths.
	 */

	while (1 < argc) {
		const char *arg = argv[1];
		argc--; argv++;
		if (!strcmp("--cached", arg)) {
			cached = 1;
			continue;
		}
		if (!strcmp("--no-ext-grep", arg)) {
			builtin_grep = 1;
			continue;
		}
		if (!strcmp("-a", arg) ||
		    !strcmp("--text", arg)) {
			opt.binary = GREP_BINARY_TEXT;
			continue;
		}
		if (!strcmp("-i", arg) ||
		    !strcmp("--ignore-case", arg)) {
			opt.regflags |= REG_ICASE;
			continue;
		}
		if (!strcmp("-I", arg)) {
			opt.binary = GREP_BINARY_NOMATCH;
			continue;
		}
		if (!strcmp("-v", arg) ||
		    !strcmp("--invert-match", arg)) {
			opt.invert = 1;
			continue;
		}
		if (!strcmp("-E", arg) ||
		    !strcmp("--extended-regexp", arg)) {
			opt.regflags |= REG_EXTENDED;
			continue;
		}
		if (!strcmp("-F", arg) ||
		    !strcmp("--fixed-strings", arg)) {
			opt.fixed = 1;
			continue;
		}
		if (!strcmp("-G", arg) ||
		    !strcmp("--basic-regexp", arg)) {
			opt.regflags &= ~REG_EXTENDED;
			continue;
		}
		if (!strcmp("-n", arg)) {
			opt.linenum = 1;
			continue;
		}
		if (!strcmp("-h", arg)) {
			opt.pathname = 0;
			continue;
		}
		if (!strcmp("-H", arg)) {
			opt.pathname = 1;
			continue;
		}
		if (!strcmp("-l", arg) ||
		    !strcmp("--name-only", arg) ||
		    !strcmp("--files-with-matches", arg)) {
			opt.name_only = 1;
			continue;
		}
		if (!strcmp("-L", arg) ||
		    !strcmp("--files-without-match", arg)) {
			opt.unmatch_name_only = 1;
			continue;
		}
		if (!strcmp("-z", arg) ||
		    !strcmp("--null", arg)) {
			opt.null_following_name = 1;
			continue;
		}
		if (!strcmp("-c", arg) ||
		    !strcmp("--count", arg)) {
			opt.count = 1;
			continue;
		}
		if (!strcmp("-w", arg) ||
		    !strcmp("--word-regexp", arg)) {
			opt.word_regexp = 1;
			continue;
		}
		if (!prefixcmp(arg, "-A") ||
		    !prefixcmp(arg, "-B") ||
		    !prefixcmp(arg, "-C") ||
		    (arg[0] == '-' && '1' <= arg[1] && arg[1] <= '9')) {
			unsigned num;
			const char *scan;
			switch (arg[1]) {
			case 'A': case 'B': case 'C':
				if (!arg[2]) {
					if (argc <= 1)
						die(emsg_missing_context_len);
					scan = *++argv;
					argc--;
				}
				else
					scan = arg + 2;
				break;
			default:
				scan = arg + 1;
				break;
			}
			if (strtoul_ui(scan, 10, &num))
				die(emsg_invalid_context_len, scan);
			switch (arg[1]) {
			case 'A':
				opt.post_context = num;
				break;
			default:
			case 'C':
				opt.post_context = num;
			case 'B':
				opt.pre_context = num;
				break;
			}
			continue;
		}
		if (!strcmp("-f", arg)) {
			FILE *patterns;
			int lno = 0;
			char buf[1024];
			if (argc <= 1)
				die(emsg_missing_argument, arg);
			patterns = fopen(argv[1], "r");
			if (!patterns)
				die("'%s': %s", argv[1], strerror(errno));
			while (fgets(buf, sizeof(buf), patterns)) {
				int len = strlen(buf);
				if (len && buf[len-1] == '\n')
					buf[len-1] = 0;
				/* ignore empty line like grep does */
				if (!buf[0])
					continue;
				append_grep_pattern(&opt, xstrdup(buf),
						    argv[1], ++lno,
						    GREP_PATTERN);
			}
			fclose(patterns);
			argv++;
			argc--;
			continue;
		}
		if (!strcmp("--not", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_NOT);
			continue;
		}
		if (!strcmp("--and", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_AND);
			continue;
		}
		if (!strcmp("--or", arg))
			continue; /* no-op */
		if (!strcmp("(", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_OPEN_PAREN);
			continue;
		}
		if (!strcmp(")", arg)) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_CLOSE_PAREN);
			continue;
		}
		if (!strcmp("--all-match", arg)) {
			opt.all_match = 1;
			continue;
		}
		if (!strcmp("-e", arg)) {
			if (1 < argc) {
				append_grep_pattern(&opt, argv[1],
						    "-e option", 0,
						    GREP_PATTERN);
				argv++;
				argc--;
				continue;
			}
			die(emsg_missing_argument, arg);
		}
		if (!strcmp("--full-name", arg)) {
			opt.relative = 0;
			continue;
		}
		if (!strcmp("--", arg)) {
			/* later processing wants to have this at argv[1] */
			argv--;
			argc++;
			break;
		}
		if (*arg == '-')
			usage(builtin_grep_usage);

		/* First unrecognized non-option token */
		if (!opt.pattern_list) {
			append_grep_pattern(&opt, arg, "command line", 0,
					    GREP_PATTERN);
			break;
		}
		else {
			/* We are looking at the first path or rev;
			 * it is found at argv[1] after leaving the
			 * loop.
			 */
			argc++; argv--;
			break;
		}
	}

	if (!opt.pattern_list)
		die("no pattern given.");
	if ((opt.regflags != REG_NEWLINE) && opt.fixed)
		die("cannot mix --fixed-strings and regexp");
	compile_grep_patterns(&opt);

	/* Check revs and then paths */
	for (i = 1; i < argc; i++) {
		const char *arg = argv[i];
		unsigned char sha1[20];
		/* Is it a rev? */
		if (!get_sha1(arg, sha1)) {
			struct object *object = parse_object(sha1);
			if (!object)
				die("bad object %s", arg);
			add_object_array(object, arg, &list);
			continue;
		}
		if (!strcmp(arg, "--")) {
			i++;
			seen_dashdash = 1;
		}
		break;
	}

	/* The rest are paths */
	if (!seen_dashdash) {
		int j;
		for (j = i; j < argc; j++)
			verify_filename(prefix, argv[j]);
	}

	if (i < argc) {
		paths = get_pathspec(prefix, argv + i);
		if (opt.prefix_length && opt.relative) {
			/* Make sure we do not get outside of paths */
			for (i = 0; paths[i]; i++)
				if (strncmp(prefix, paths[i], opt.prefix_length))
					die("git grep: cannot generate relative filenames containing '..'");
		}
	}
	else if (prefix) {
		paths = xcalloc(2, sizeof(const char *));
		paths[0] = prefix;
		paths[1] = NULL;
	}

	if (!list.nr) {
		if (!cached)
			setup_work_tree();
		return !grep_cache(&opt, paths, cached);
	}

	if (cached)
		die("both --cached and trees are given.");

	for (i = 0; i < list.nr; i++) {
		struct object *real_obj;
		real_obj = deref_tag(list.objects[i].item, NULL, 0);
		if (grep_object(&opt, paths, real_obj, list.objects[i].name))
			hit = 1;
	}
	free_grep_patterns(&opt);
	return !hit;
}
Пример #8
0
void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
		    char *path, int pager)
{
	struct rev_info rev;
	struct commit *commit;
	const char *argv[] = {NULL, NULL, NULL, NULL, NULL};
	int argc = 2;
	int i, columns = 3;

	if (!tip)
		tip = ctx.qry.head;

	argv[1] = disambiguate_ref(tip);

	if (grep && pattern) {
		if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
		    !strcmp(grep, "committer"))
			argv[argc++] = fmt("--%s=%s", grep, pattern);
		if (!strcmp(grep, "range"))
			argv[1] = pattern;
	}

	if (path) {
		argv[argc++] = "--";
		argv[argc++] = path;
	}
	init_revisions(&rev, NULL);
	rev.abbrev = DEFAULT_ABBREV;
	rev.commit_format = CMIT_FMT_DEFAULT;
	rev.verbose_header = 1;
	rev.show_root_diff = 0;
	setup_revisions(argc, argv, &rev, NULL);
	load_ref_decorations(DECORATE_FULL_REFS);
	rev.show_decorations = 1;
	rev.grep_filter.regflags |= REG_ICASE;
	compile_grep_patterns(&rev.grep_filter);
	prepare_revision_walk(&rev);

	if (pager)
		html("<table class='list nowrap'>");

	html("<tr class='nohover'><th class='left'>Age</th>"
	      "<th class='left'>Commit message");
	if (pager) {
		html(" (");
		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
			      NULL, ctx.qry.head, ctx.qry.sha1,
			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
		html(")");
	}
	html("</th><th class='left'>Author</th>");
	if (ctx.repo->enable_log_filecount) {
		html("<th class='left'>Files</th>");
		columns++;
		if (ctx.repo->enable_log_linecount) {
			html("<th class='left'>Lines</th>");
			columns++;
		}
	}
	html("</tr>\n");

	if (ofs<0)
		ofs = 0;

	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}

	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
		print_commit(commit);
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}
	if (pager) {
		htmlf("</table><div class='pager'>",
		     columns);
		if (ofs > 0) {
			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs - cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
			html("&nbsp;");
		}
		if ((commit = get_revision(&rev)) != NULL) {
			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs + cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
		}
		html("</div>");
	} else if ((commit = get_revision(&rev)) != NULL) {
		html("<tr class='nohover'><td colspan='3'>");
		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
		html("</td></tr>\n");
	}
}
Пример #9
0
void cgit_print_log(const char *tip, int ofs, int cnt, char *grep, char *pattern,
		    char *path, int pager, int commit_graph, int commit_sort)
{
	struct rev_info rev;
	struct commit *commit;
	struct argv_array rev_argv = ARGV_ARRAY_INIT;
	int i, columns = commit_graph ? 4 : 3;
	int must_free_tip = 0;

	/* rev_argv.argv[0] will be ignored by setup_revisions */
	argv_array_push(&rev_argv, "log_rev_setup");

	if (!tip)
		tip = ctx.qry.head;
	tip = disambiguate_ref(tip, &must_free_tip);
	argv_array_push(&rev_argv, tip);

	if (grep && pattern && *pattern) {
		pattern = xstrdup(pattern);
		if (!strcmp(grep, "grep") || !strcmp(grep, "author") ||
		    !strcmp(grep, "committer")) {
			argv_array_pushf(&rev_argv, "--%s=%s", grep, pattern);
		} else if (!strcmp(grep, "range")) {
			char *arg;
			/* Split the pattern at whitespace and add each token
			 * as a revision expression. Do not accept other
			 * rev-list options. Also, replace the previously
			 * pushed tip (it's no longer relevant).
			 */
			argv_array_pop(&rev_argv);
			while ((arg = next_token(&pattern))) {
				if (*arg == '-') {
					fprintf(stderr, "Bad range expr: %s\n",
						arg);
					break;
				}
				argv_array_push(&rev_argv, arg);
			}
		}
	}
	if (commit_graph) {
		argv_array_push(&rev_argv, "--graph");
		argv_array_push(&rev_argv, "--color");
		graph_set_column_colors(column_colors_html,
					COLUMN_COLORS_HTML_MAX);
	}

	if (commit_sort == 1)
		argv_array_push(&rev_argv, "--date-order");
	else if (commit_sort == 2)
		argv_array_push(&rev_argv, "--topo-order");

	if (path) {
		argv_array_push(&rev_argv, "--");
		argv_array_push(&rev_argv, path);
	}

	init_revisions(&rev, NULL);
	rev.abbrev = DEFAULT_ABBREV;
	rev.commit_format = CMIT_FMT_DEFAULT;
	rev.verbose_header = 1;
	rev.show_root_diff = 0;
	setup_revisions(rev_argv.argc, rev_argv.argv, &rev, NULL);
	load_ref_decorations(DECORATE_FULL_REFS);
	rev.show_decorations = 1;
	rev.grep_filter.regflags |= REG_ICASE;
	compile_grep_patterns(&rev.grep_filter);
	prepare_revision_walk(&rev);

	if (pager)
		html("<table class='list nowrap'>");

	html("<tr class='nohover'>");
	if (commit_graph)
		html("<th></th>");
	else
		html("<th class='left'>Age</th>");
	html("<th class='left'>Commit message");
	if (pager) {
		html(" (");
		cgit_log_link(ctx.qry.showmsg ? "Collapse" : "Expand", NULL,
			      NULL, ctx.qry.head, ctx.qry.sha1,
			      ctx.qry.vpath, ctx.qry.ofs, ctx.qry.grep,
			      ctx.qry.search, ctx.qry.showmsg ? 0 : 1);
		html(")");
	}
	html("</th><th class='left'>Author</th>");
	if (commit_graph)
		html("<th class='left'>Age</th>");
	if (ctx.repo->enable_log_filecount) {
		html("<th class='left'>Files</th>");
		columns++;
	}
	if (ctx.repo->enable_log_linecount) {
		html("<th class='left'>Lines</th>");
		columns++;
	}
	html("</tr>\n");

	if (ofs<0)
		ofs = 0;

	for (i = 0; i < ofs && (commit = get_revision(&rev)) != NULL; i++) {
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}

	for (i = 0; i < cnt && (commit = get_revision(&rev)) != NULL; i++) {
		print_commit(commit, &rev);
		free(commit->buffer);
		commit->buffer = NULL;
		free_commit_list(commit->parents);
		commit->parents = NULL;
	}
	if (pager) {
		html("</table><ul class='pager'>");
		if (ofs > 0) {
			html("<li>");
			cgit_log_link("[prev]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs - cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
			html("</li>");
		}
		if ((commit = get_revision(&rev)) != NULL) {
			html("<li>");
			cgit_log_link("[next]", NULL, NULL, ctx.qry.head,
				      ctx.qry.sha1, ctx.qry.vpath,
				      ofs + cnt, ctx.qry.grep,
				      ctx.qry.search, ctx.qry.showmsg);
			html("</li>");
		}
		html("</ul>");
	} else if ((commit = get_revision(&rev)) != NULL) {
		htmlf("<tr class='nohover'><td colspan='%d'>", columns);
		cgit_log_link("[...]", NULL, NULL, ctx.qry.head, NULL,
			      ctx.qry.vpath, 0, NULL, NULL, ctx.qry.showmsg);
		html("</td></tr>\n");
	}

	/* If we allocated tip then it is safe to cast away const. */
	if (must_free_tip)
		free((char*) tip);
}