diff options
Diffstat (limited to 'builtin-grep.c')
| -rw-r--r-- | builtin-grep.c | 65 |
1 files changed, 52 insertions, 13 deletions
diff --git a/builtin-grep.c b/builtin-grep.c index e3b940b933..63dc31c45c 100644 --- a/builtin-grep.c +++ b/builtin-grep.c @@ -54,25 +54,57 @@ static int grep_config(const char *var, const char *value, void *cb) } /* + * 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) +static int pathspec_matches(const char **paths, const char *name, int max_depth) { int namelen, i; if (!paths || !*paths) - return 1; + 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 (!matchlen || - ((matchlen <= namelen) && - !strncmp(name, match, matchlen) && - (match[matchlen-1] == '/' || - name[matchlen] == '\0' || name[matchlen] == '/'))) + if (is_subdir(name, namelen, match, matchlen, max_depth)) return 1; if (!fnmatch(match, name, 0)) return 1; @@ -175,6 +207,7 @@ static int grep_file(struct grep_opt *opt, const char *filename) return 0; } close(i); + data[sz] = 0; if (opt->relative && opt->prefix_length) filename = quote_path_relative(filename, -1, &buf, opt->prefix); i = grep_buffer(opt, filename, data, sz); @@ -335,7 +368,7 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached) push_arg("-h"); if (opt->regflags & REG_EXTENDED) push_arg("-E"); - if (opt->regflags & REG_ICASE) + if (opt->ignore_case) push_arg("-i"); if (opt->binary == GREP_BINARY_NOMATCH) push_arg("-I"); @@ -411,7 +444,7 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached) int kept; if (!S_ISREG(ce->ce_mode)) continue; - if (!pathspec_matches(paths, ce->name)) + if (!pathspec_matches(paths, ce->name, opt->max_depth)) continue; name = ce->name; if (name[0] == '-') { @@ -469,7 +502,7 @@ 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)) + if (!pathspec_matches(paths, ce->name, opt->max_depth)) continue; /* * If CE_VALID is on, we assume worktree file and its cache entry @@ -529,7 +562,7 @@ static int grep_tree(struct grep_opt *opt, const char **paths, strbuf_addch(&pathbuf, '/'); down = pathbuf.buf + tn_len; - if (!pathspec_matches(paths, down)) + if (!pathspec_matches(paths, down, opt->max_depth)) ; else if (S_ISREG(entry.mode)) hit |= grep_sha1(opt, entry.sha1, pathbuf.buf, tn_len); @@ -674,8 +707,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix) OPT_GROUP(""), OPT_BOOLEAN('v', "invert-match", &opt.invert, "show non-matching lines"), - OPT_BIT('i', "ignore-case", &opt.regflags, - "case insensitive matching", REG_ICASE), + 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, @@ -683,6 +716,9 @@ int cmd_grep(int argc, const char **argv, const char *prefix) 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), @@ -760,6 +796,7 @@ int cmd_grep(int argc, const char **argv, const char *prefix) 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; @@ -794,6 +831,8 @@ int cmd_grep(int argc, const char **argv, const char *prefix) external_grep_allowed = 0; 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"); compile_grep_patterns(&opt); |