X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=builtin%2Fgrep.c;h=891e5eab3da4d835325e859bf8979664e2c112ae;hb=ffc5e3c958b66fb4babeba01483cc924bc2957a5;hp=bb0f93208fc6c3e418f9db5bcaec4b79c57e2bec;hpb=094574b32b799af01e5c0e0a44c2f41eb4a3f671;p=git.git diff --git a/builtin/grep.c b/builtin/grep.c index bb0f93208..891e5eab3 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -244,7 +244,7 @@ static void start_threads(struct grep_opt *opt) err = pthread_create(&threads[i], NULL, run, o); if (err) - die("grep: failed to create thread: %s", + die(_("grep: failed to create thread: %s"), strerror(err)); } } @@ -302,6 +302,19 @@ static int grep_config(const char *var, const char *value, void *cb) default: return 0; } + if (!strcmp(var, "grep.extendedregexp")) { + if (git_config_bool(var, value)) + opt->regflags |= REG_EXTENDED; + else + opt->regflags &= ~REG_EXTENDED; + return 0; + } + + if (!strcmp(var, "grep.linenumber")) { + opt->linenum = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "color.grep")) opt->color = git_config_colorbool(var, value, -1); else if (!strcmp(var, "color.grep.context")) @@ -328,106 +341,6 @@ static int grep_config(const char *var, const char *value, void *cb) return 0; } -/* - * Return non-zero if max_depth is negative or path has no more then max_depth - * slashes. - */ -static int accept_subdir(const char *path, int max_depth) -{ - if (max_depth < 0) - return 1; - - while ((path = strchr(path, '/')) != NULL) { - max_depth--; - if (max_depth < 0) - return 0; - path++; - } - return 1; -} - -/* - * Return non-zero if name is a subdirectory of match and is not too deep. - */ -static int is_subdir(const char *name, int namelen, - const char *match, int matchlen, int max_depth) -{ - if (matchlen > namelen || strncmp(name, match, matchlen)) - return 0; - - if (name[matchlen] == '\0') /* exact match */ - return 1; - - if (!matchlen || match[matchlen-1] == '/' || name[matchlen] == '/') - return accept_subdir(name + matchlen + 1, max_depth); - - return 0; -} - -/* - * git grep pathspecs are somewhat different from diff-tree pathspecs; - * pathname wildcards are allowed. - */ -static int pathspec_matches(const char **paths, const char *name, int max_depth) -{ - int namelen, i; - if (!paths || !*paths) - return accept_subdir(name, max_depth); - namelen = strlen(name); - for (i = 0; paths[i]; i++) { - const char *match = paths[i]; - int matchlen = strlen(match); - const char *cp, *meta; - - if (is_subdir(name, namelen, match, matchlen, max_depth)) - return 1; - if (!fnmatch(match, name, 0)) - return 1; - if (name[namelen-1] != '/') - continue; - - /* We are being asked if the directory ("name") is worth - * descending into. - * - * Find the longest leading directory name that does - * not have metacharacter in the pathspec; the name - * we are looking at must overlap with that directory. - */ - for (cp = match, meta = NULL; cp - match < matchlen; cp++) { - char ch = *cp; - if (ch == '*' || ch == '[' || ch == '?') { - meta = cp; - break; - } - } - if (!meta) - meta = cp; /* fully literal */ - - if (namelen <= meta - match) { - /* Looking at "Documentation/" and - * the pattern says "Documentation/howto/", or - * "Documentation/diff*.txt". The name we - * have should match prefix. - */ - if (!memcmp(match, name, namelen)) - return 1; - continue; - } - - if (meta - match < namelen) { - /* Looking at "Documentation/howto/" and - * the pattern says "Documentation/h*"; - * match up to "Do.../h"; this avoids descending - * into "Documentation/technical/". - */ - if (!memcmp(match, name, meta - match)) - return 1; - continue; - } - } - return 0; -} - static void *lock_and_read_sha1_file(const unsigned char *sha1, enum object_type *type, unsigned long *size) { void *data; @@ -449,7 +362,7 @@ static void *load_sha1(const unsigned char *sha1, unsigned long *size, void *data = lock_and_read_sha1_file(sha1, &type, size); if (!data) - error("'%s': unable to read %s", name, sha1_to_hex(sha1)); + error(_("'%s': unable to read %s"), name, sha1_to_hex(sha1)); return data; } @@ -500,7 +413,7 @@ static void *load_file(const char *filename, size_t *sz) if (lstat(filename, &st) < 0) { err_ret: if (errno != ENOENT) - error("'%s': %s", filename, strerror(errno)); + error(_("'%s': %s"), filename, strerror(errno)); return 0; } if (!S_ISREG(st.st_mode)) @@ -511,7 +424,7 @@ static void *load_file(const char *filename, size_t *sz) goto err_ret; data = xmalloc(*sz + 1); if (st.st_size != read_in_full(i, data, *sz)) { - error("'%s': short read %s", filename, strerror(errno)); + error(_("'%s': short read %s"), filename, strerror(errno)); close(i); free(data); return 0; @@ -573,14 +486,14 @@ static void run_pager(struct grep_opt *opt, const char *prefix) argv[path_list->nr] = NULL; if (prefix && chdir(prefix)) - die("Failed to chdir: %s", prefix); + die(_("Failed to chdir: %s"), prefix); status = run_command_v_opt(argv, RUN_USING_SHELL); if (status) exit(status); free(argv); } -static int grep_cache(struct grep_opt *opt, const char **paths, int cached) +static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int cached) { int hit = 0; int nr; @@ -590,7 +503,7 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached) struct cache_entry *ce = active_cache[nr]; if (!S_ISREG(ce->ce_mode)) continue; - if (!pathspec_matches(paths, ce->name, opt->max_depth)) + if (!match_pathspec_depth(pathspec, ce->name, ce_namelen(ce), 0, NULL)) continue; /* * If CE_VALID is on, we assume worktree file and its cache entry @@ -617,44 +530,29 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached) return hit; } -static int grep_tree(struct grep_opt *opt, const char **paths, - struct tree_desc *tree, - const char *tree_name, const char *base) +static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec, + struct tree_desc *tree, struct strbuf *base, int tn_len) { - int len; - int hit = 0; + int hit = 0, matched = 0; struct name_entry entry; - char *down; - int tn_len = strlen(tree_name); - struct strbuf pathbuf; - - strbuf_init(&pathbuf, PATH_MAX + tn_len); - - if (tn_len) { - strbuf_add(&pathbuf, tree_name, tn_len); - strbuf_addch(&pathbuf, ':'); - tn_len = pathbuf.len; - } - strbuf_addstr(&pathbuf, base); - len = pathbuf.len; + int old_baselen = base->len; while (tree_entry(tree, &entry)) { int te_len = tree_entry_len(entry.path, entry.sha1); - pathbuf.len = len; - strbuf_add(&pathbuf, entry.path, te_len); - - if (S_ISDIR(entry.mode)) - /* Match "abc/" against pathspec to - * decide if we want to descend into "abc" - * directory. - */ - strbuf_addch(&pathbuf, '/'); - - down = pathbuf.buf + tn_len; - if (!pathspec_matches(paths, down, opt->max_depth)) - ; - else if (S_ISREG(entry.mode)) - hit |= grep_sha1(opt, entry.sha1, pathbuf.buf, tn_len); + + if (matched != 2) { + matched = tree_entry_interesting(&entry, base, tn_len, pathspec); + if (matched == -1) + break; /* no more matches */ + if (!matched) + continue; + } + + strbuf_add(base, entry.path, te_len); + + if (S_ISREG(entry.mode)) { + hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len); + } else if (S_ISDIR(entry.mode)) { enum object_type type; struct tree_desc sub; @@ -663,20 +561,23 @@ static int grep_tree(struct grep_opt *opt, const char **paths, data = lock_and_read_sha1_file(entry.sha1, &type, &size); if (!data) - die("unable to read tree (%s)", + die(_("unable to read tree (%s)"), sha1_to_hex(entry.sha1)); + + strbuf_addch(base, '/'); init_tree_desc(&sub, data, size); - hit |= grep_tree(opt, paths, &sub, tree_name, down); + hit |= grep_tree(opt, pathspec, &sub, base, tn_len); free(data); } + strbuf_setlen(base, old_baselen); + if (hit && opt->status_only) break; } - strbuf_release(&pathbuf); return hit; } -static int grep_object(struct grep_opt *opt, const char **paths, +static int grep_object(struct grep_opt *opt, const struct pathspec *pathspec, struct object *obj, const char *name) { if (obj->type == OBJ_BLOB) @@ -685,20 +586,30 @@ static int grep_object(struct grep_opt *opt, const char **paths, struct tree_desc tree; void *data; unsigned long size; - int hit; + struct strbuf base; + int hit, len; + data = read_object_with_reference(obj->sha1, tree_type, &size, NULL); if (!data) - die("unable to read tree (%s)", sha1_to_hex(obj->sha1)); + die(_("unable to read tree (%s)"), sha1_to_hex(obj->sha1)); + + len = name ? strlen(name) : 0; + strbuf_init(&base, PATH_MAX + len + 1); + if (len) { + strbuf_add(&base, name, len); + strbuf_addch(&base, ':'); + } init_tree_desc(&tree, data, size); - hit = grep_tree(opt, paths, &tree, name, ""); + hit = grep_tree(opt, pathspec, &tree, &base, base.len); + strbuf_release(&base); free(data); return hit; } - die("unable to grep from object of type %s", typename(obj->type)); + die(_("unable to grep from object of type %s"), typename(obj->type)); } -static int grep_objects(struct grep_opt *opt, const char **paths, +static int grep_objects(struct grep_opt *opt, const struct pathspec *pathspec, const struct object_array *list) { unsigned int i; @@ -708,7 +619,7 @@ static int grep_objects(struct grep_opt *opt, const char **paths, for (i = 0; i < 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)) { + if (grep_object(opt, pathspec, real_obj, list->objects[i].name)) { hit = 1; if (opt->status_only) break; @@ -717,7 +628,7 @@ static int grep_objects(struct grep_opt *opt, const char **paths, return hit; } -static int grep_directory(struct grep_opt *opt, const char **paths) +static int grep_directory(struct grep_opt *opt, const struct pathspec *pathspec) { struct dir_struct dir; int i, hit = 0; @@ -725,8 +636,12 @@ static int grep_directory(struct grep_opt *opt, const char **paths) memset(&dir, 0, sizeof(dir)); setup_standard_excludes(&dir); - fill_directory(&dir, paths); + fill_directory(&dir, pathspec->raw); for (i = 0; i < dir.nr; i++) { + const char *name = dir.entries[i]->name; + int namelen = strlen(name); + if (!match_pathspec_depth(pathspec, name, namelen, 0, NULL)) + continue; hit |= grep_file(opt, dir.entries[i]->name); if (hit && opt->status_only) break; @@ -747,7 +662,7 @@ static int context_callback(const struct option *opt, const char *arg, } value = strtol(arg, (char **)&endp, 10); if (*endp) { - return error("switch `%c' expects a numerical value", + return error(_("switch `%c' expects a numerical value"), opt->short_name); } grep_opt->pre_context = grep_opt->post_context = value; @@ -757,13 +672,14 @@ static int context_callback(const struct option *opt, const char *arg, static int file_callback(const struct option *opt, const char *arg, int unset) { struct grep_opt *grep_opt = opt->value; + int from_stdin = !strcmp(arg, "-"); FILE *patterns; int lno = 0; struct strbuf sb = STRBUF_INIT; - patterns = fopen(arg, "r"); + patterns = from_stdin ? stdin : fopen(arg, "r"); if (!patterns) - die_errno("cannot open '%s'", arg); + die_errno(_("cannot open '%s'"), arg); while (strbuf_getline(&sb, patterns, '\n') == 0) { char *s; size_t len; @@ -775,7 +691,8 @@ static int file_callback(const struct option *opt, const char *arg, int unset) s = strbuf_detach(&sb, &len); append_grep_pat(grep_opt, s, len, arg, ++lno, GREP_PATTERN); } - fclose(patterns); + if (!from_stdin) + fclose(patterns); strbuf_release(&sb); return 0; } @@ -831,6 +748,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) 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; @@ -1004,11 +922,11 @@ int cmd_grep(int argc, const char **argv, const char *prefix) } if (!opt.pattern_list) - die("no pattern given."); + 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"); + die(_("cannot mix --fixed-strings and regexp")); #ifndef NO_PTHREADS if (online_cpus() == 1 || !grep_threads_ok(&opt)) @@ -1033,7 +951,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (!get_sha1(arg, sha1)) { struct object *object = parse_object(sha1); if (!object) - die("bad object %s", arg); + die(_("bad object %s"), arg); add_object_array(object, arg, &list); continue; } @@ -1058,9 +976,12 @@ int cmd_grep(int argc, const char **argv, const char *prefix) paths[0] = prefix; paths[1] = NULL; } + 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"); + 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; @@ -1085,19 +1006,19 @@ int cmd_grep(int argc, const char **argv, const char *prefix) if (!use_index) { if (cached) - die("--cached cannot be used with --no-index."); + die(_("--cached cannot be used with --no-index.")); if (list.nr) - die("--no-index cannot be used with revs."); - hit = grep_directory(&opt, paths); + 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, paths, cached); + hit = grep_cache(&opt, &pathspec, cached); } else { if (cached) - die("both --cached and trees are given."); - hit = grep_objects(&opt, paths, &list); + die(_("both --cached and trees are given.")); + hit = grep_objects(&opt, &pathspec, &list); } if (use_threads)