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; }
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; 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; enum { pattern_type_unspecified = 0, pattern_type_bre, pattern_type_ere, pattern_type_fixed, pattern_type_pcre, }; int pattern_type = pattern_type_unspecified; #ifdef USE_CPLUSPLUS_FOR_INIT #pragma cplusplus on #endif 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_SET_INT('E', "extended-regexp", &pattern_type, "use extended POSIX regular expressions", pattern_type_ere), OPT_SET_INT('G', "basic-regexp", &pattern_type, "use basic POSIX regular expressions (default)", pattern_type_bre), OPT_SET_INT('F', "fixed-strings", &pattern_type, "interpret patterns as fixed strings", pattern_type_fixed), OPT_SET_INT('P', "perl-regexp", &pattern_type, "use Perl-compatible regular expressions", pattern_type_pcre), OPT_GROUP(""), OPT_BOOLEAN('n', "line-number", &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__COLOR(&opt.color, "highlight matches"), 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__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(""), { OPTION_STRING, 'O', "open-files-in-pager", &show_in_pager, "pager", "show matching files in the pager", PARSE_OPT_OPTARG, NULL, (intptr_t)(char*)default_pager }, 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() }; #ifdef USE_CPLUSPLUS_FOR_INIT #pragma cplusplus reset #endif /* * '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.header_tail = &opt.header_list; opt.regflags = REG_NEWLINE; opt.max_depth = -1; strcpy(opt.color_context, ""); strcpy(opt.color_filename, ""); strcpy(opt.color_function, ""); strcpy(opt.color_lineno, ""); strcpy(opt.color_match, GIT_COLOR_BOLD_RED); strcpy(opt.color_selected, ""); strcpy(opt.color_sep, GIT_COLOR_CYAN); 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); switch (pattern_type) { case pattern_type_fixed: opt.fixed = 1; opt.pcre = 0; break; case pattern_type_bre: opt.fixed = 0; opt.pcre = 0; opt.regflags &= ~REG_EXTENDED; break; case pattern_type_ere: opt.fixed = 0; opt.pcre = 0; opt.regflags |= REG_EXTENDED; break; case pattern_type_pcre: opt.fixed = 0; opt.pcre = 1; break; default: break; /* nothing */ } 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.pattern_list) die(_("no pattern given.")); if (!opt.fixed && opt.ignore_case) opt.regflags |= REG_ICASE; #ifndef NO_PTHREADS if (online_cpus() == 1 || !grep_threads_ok(&opt)) use_threads = 0; if (use_threads) { if (opt.pre_context || opt.post_context) print_hunk_marks_between_files = 1; 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]); } 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 (!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) { 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, &pathspec); } 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; }