diff options
| -rw-r--r-- | builtin/grep.c | 125 | ||||
| -rw-r--r-- | tree-diff.c | 4 | ||||
| -rw-r--r-- | tree-walk.c | 24 | ||||
| -rw-r--r-- | tree-walk.h | 2 |
4 files changed, 30 insertions, 125 deletions
diff --git a/builtin/grep.c b/builtin/grep.c index c9622d6aa9..c3af8760cc 100644 --- a/builtin/grep.c +++ b/builtin/grep.c @@ -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"); diff --git a/tree-diff.c b/tree-diff.c index 03dc5c8e70..3954281f50 100644 --- a/tree-diff.c +++ b/tree-diff.c @@ -72,7 +72,7 @@ static void show_tree(struct diff_options *opt, const char *prefix, if (all_interesting) show = 1; else { - show = tree_entry_interesting(&desc->entry, base, + show = tree_entry_interesting(&desc->entry, base, 0, &opt->pathspec); if (show == 2) all_interesting = 1; @@ -124,7 +124,7 @@ static void skip_uninteresting(struct tree_desc *t, struct strbuf *base, struct diff_options *opt, int *all_interesting) { while (t->size) { - int show = tree_entry_interesting(&t->entry, base, &opt->pathspec); + int show = tree_entry_interesting(&t->entry, base, 0, &opt->pathspec); if (show == 2) *all_interesting = 1; if (!show) { diff --git a/tree-walk.c b/tree-walk.c index 7596716cf0..322becc3b4 100644 --- a/tree-walk.c +++ b/tree-walk.c @@ -544,7 +544,8 @@ static int match_dir_prefix(const char *base, int baselen, /* * Is a tree entry interesting given the pathspec we have? * - * Pre-condition: baselen == 0 || base[baselen-1] == '/' + * Pre-condition: either baselen == base_offset (i.e. empty path) + * or base[baselen-1] == '/' (i.e. with trailing slash). * * Return: * - 2 for "yes, and all subsequent entries will be" @@ -553,44 +554,45 @@ static int match_dir_prefix(const char *base, int baselen, * - negative for "no, and no subsequent entries will be either" */ int tree_entry_interesting(const struct name_entry *entry, - struct strbuf *base, + struct strbuf *base, int base_offset, const struct pathspec *ps) { int i; - int pathlen, baselen = base->len; + int pathlen, baselen = base->len - base_offset; int never_interesting = ps->has_wildcard ? 0 : -1; if (!ps->nr) { if (!ps->recursive || ps->max_depth == -1) return 2; - return !!within_depth(base->buf, baselen, + return !!within_depth(base->buf + base_offset, baselen, !!S_ISDIR(entry->mode), ps->max_depth); } pathlen = tree_entry_len(entry->path, entry->sha1); - for (i = ps->nr-1; i >= 0; i--) { + for (i = ps->nr - 1; i >= 0; i--) { const struct pathspec_item *item = ps->items+i; const char *match = item->match; + const char *base_str = base->buf + base_offset; int matchlen = item->len; if (baselen >= matchlen) { /* If it doesn't match, move along... */ - if (!match_dir_prefix(base->buf, baselen, match, matchlen)) + if (!match_dir_prefix(base_str, baselen, match, matchlen)) goto match_wildcards; if (!ps->recursive || ps->max_depth == -1) return 2; - return !!within_depth(base->buf + matchlen + 1, + return !!within_depth(base_str + matchlen + 1, baselen - matchlen - 1, !!S_ISDIR(entry->mode), ps->max_depth); } /* Does the base match? */ - if (!strncmp(base->buf, match, baselen)) { + if (!strncmp(base_str, match, baselen)) { if (match_entry(entry, pathlen, match + baselen, matchlen - baselen, &never_interesting)) @@ -622,11 +624,11 @@ match_wildcards: strbuf_add(base, entry->path, pathlen); - if (!fnmatch(match, base->buf, 0)) { - strbuf_setlen(base, baselen); + if (!fnmatch(match, base->buf + base_offset, 0)) { + strbuf_setlen(base, base_offset + baselen); return 1; } - strbuf_setlen(base, baselen); + strbuf_setlen(base, base_offset + baselen); /* * Match all directories. We'll try to match files diff --git a/tree-walk.h b/tree-walk.h index 6589ee27e4..39524b7dba 100644 --- a/tree-walk.h +++ b/tree-walk.h @@ -60,6 +60,6 @@ static inline int traverse_path_len(const struct traverse_info *info, const stru return info->pathlen + tree_entry_len(n->path, n->sha1); } -extern int tree_entry_interesting(const struct name_entry *, struct strbuf *, const struct pathspec *ps); +extern int tree_entry_interesting(const struct name_entry *, struct strbuf *, int, const struct pathspec *ps); #endif |