Code

grep: drop pathspec_matches() in favor of tree_entry_interesting()
[git.git] / builtin / grep.c
index c9622d6aa99658664e5a72129400987a9e3a5553..c3af8760cc778b4eb835d4fb543f45aa333b214c 100644 (file)
@@ -329,106 +329,6 @@ 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;
@@ -621,25 +521,24 @@ static int grep_cache(struct grep_opt *opt, const struct pathspec *pathspec, int
 static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
                     struct tree_desc *tree, struct strbuf *base, int tn_len)
 {
-       int hit = 0;
+       int hit = 0, matched = 0;
        struct name_entry entry;
        int old_baselen = base->len;
 
        while (tree_entry(tree, &entry)) {
                int te_len = tree_entry_len(entry.path, entry.sha1);
 
-               strbuf_add(base, entry.path, te_len);
+               if (matched != 2) {
+                       matched = tree_entry_interesting(&entry, base, tn_len, pathspec);
+                       if (matched == -1)
+                               break; /* no more matches */
+                       if (!matched)
+                               continue;
+               }
 
-               if (S_ISDIR(entry.mode))
-                       /* Match "abc/" against pathspec to
-                        * decide if we want to descend into "abc"
-                        * directory.
-                        */
-                       strbuf_addch(base, '/');
+               strbuf_add(base, entry.path, te_len);
 
-               if (!pathspec_matches(pathspec->raw, base->buf + tn_len, opt->max_depth))
-                       ;
-               else if (S_ISREG(entry.mode)) {
+               if (S_ISREG(entry.mode)) {
                        hit |= grep_sha1(opt, entry.sha1, base->buf, tn_len);
                }
                else if (S_ISDIR(entry.mode)) {
@@ -652,6 +551,8 @@ static int grep_tree(struct grep_opt *opt, const struct pathspec *pathspec,
                        if (!data)
                                die("unable to read tree (%s)",
                                    sha1_to_hex(entry.sha1));
+
+                       strbuf_addch(base, '/');
                        init_tree_desc(&sub, data, size);
                        hit |= grep_tree(opt, pathspec, &sub, base, tn_len);
                        free(data);
@@ -1058,6 +959,8 @@ int cmd_grep(int argc, const char **argv, const char *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");