diff options
Diffstat (limited to 'attr.c')
| -rw-r--r-- | attr.c | 92 |
1 files changed, 58 insertions, 34 deletions
@@ -115,6 +115,13 @@ struct attr_state { const char *setto; }; +struct pattern { + const char *pattern; + int patternlen; + int nowildcardlen; + int flags; /* EXC_FLAG_* */ +}; + /* * One rule, as from a .gitattributes file. * @@ -131,7 +138,7 @@ struct attr_state { */ struct match_attr { union { - char *pattern; + struct pattern pat; struct git_attr *attr; } u; char is_macro; @@ -241,9 +248,16 @@ static struct match_attr *parse_attr_line(const char *line, const char *src, if (is_macro) res->u.attr = git_attr_internal(name, namelen); else { - res->u.pattern = (char *)&(res->state[num_attr]); - memcpy(res->u.pattern, name, namelen); - res->u.pattern[namelen] = 0; + char *p = (char *)&(res->state[num_attr]); + memcpy(p, name, namelen); + res->u.pat.pattern = p; + parse_exclude_pattern(&res->u.pat.pattern, + &res->u.pat.patternlen, + &res->u.pat.flags, + &res->u.pat.nowildcardlen); + if (res->u.pat.flags & EXC_FLAG_NEGATIVE) + die(_("Negative patterns are forbidden in git attributes\n" + "Use '\\!' for literal leading exclamation.")); } res->is_macro = is_macro; res->num_attr = num_attr; @@ -270,13 +284,14 @@ static struct match_attr *parse_attr_line(const char *line, const char *src, * (reading the file from top to bottom), .gitattribute of the root * directory (again, reading the file from top to bottom) down to the * current directory, and then scan the list backwards to find the first match. - * This is exactly the same as what excluded() does in dir.c to deal with + * This is exactly the same as what is_excluded() does in dir.c to deal with * .gitignore */ static struct attr_stack { struct attr_stack *prev; char *origin; + size_t originlen; unsigned num_matches; unsigned alloc; struct match_attr **attrs; @@ -535,6 +550,7 @@ static void bootstrap_attr_stack(void) if (!is_bare_repository() || direction == GIT_ATTR_INDEX) { elem = read_attr(GITATTRIBUTES_FILE, 1); elem->origin = xstrdup(""); + elem->originlen = 0; elem->prev = attr_stack; attr_stack = elem; debug_push(elem); @@ -548,17 +564,24 @@ static void bootstrap_attr_stack(void) attr_stack = elem; } +static const char *find_basename(const char *path) +{ + const char *cp, *last_slash = NULL; + + for (cp = path; *cp; cp++) { + if (*cp == '/' && cp[1]) + last_slash = cp; + } + return last_slash ? last_slash + 1 : path; +} + static void prepare_attr_stack(const char *path) { struct attr_stack *elem, *info; int dirlen, len; const char *cp; - cp = strrchr(path, '/'); - if (!cp) - dirlen = 0; - else - dirlen = cp - path; + dirlen = find_basename(path) - path; /* * At the bottom of the attribute stack is the built-in @@ -628,7 +651,7 @@ static void prepare_attr_stack(const char *path) strbuf_addstr(&pathbuf, GITATTRIBUTES_FILE); elem = read_attr(pathbuf.buf, 0); strbuf_setlen(&pathbuf, cp - path); - elem->origin = strbuf_detach(&pathbuf, NULL); + elem->origin = strbuf_detach(&pathbuf, &elem->originlen); elem->prev = attr_stack; attr_stack = elem; debug_push(elem); @@ -645,28 +668,26 @@ static void prepare_attr_stack(const char *path) } static int path_matches(const char *pathname, int pathlen, - const char *pattern, + const char *basename, + const struct pattern *pat, const char *base, int baselen) { - if (!strchr(pattern, '/')) { - /* match basename */ - const char *basename = strrchr(pathname, '/'); - basename = basename ? basename + 1 : pathname; - return (fnmatch_icase(pattern, basename, 0) == 0); - } - /* - * match with FNM_PATHNAME; the pattern has base implicitly - * in front of it. - */ - if (*pattern == '/') - pattern++; - if (pathlen < baselen || - (baselen && pathname[baselen] != '/') || - strncmp(pathname, base, baselen)) + const char *pattern = pat->pattern; + int prefix = pat->nowildcardlen; + + if ((pat->flags & EXC_FLAG_MUSTBEDIR) && + ((!pathlen) || (pathname[pathlen-1] != '/'))) return 0; - if (baselen != 0) - baselen++; - return fnmatch_icase(pattern, pathname + baselen, FNM_PATHNAME) == 0; + + if (pat->flags & EXC_FLAG_NODIR) { + return match_basename(basename, + pathlen - (basename - pathname), + pattern, prefix, + pat->patternlen, pat->flags); + } + return match_pathname(pathname, pathlen, + base, baselen, + pattern, prefix, pat->patternlen, pat->flags); } static int macroexpand_one(int attr_nr, int rem); @@ -693,7 +714,8 @@ static int fill_one(const char *what, struct match_attr *a, int rem) return rem; } -static int fill(const char *path, int pathlen, struct attr_stack *stk, int rem) +static int fill(const char *path, int pathlen, const char *basename, + struct attr_stack *stk, int rem) { int i; const char *base = stk->origin ? stk->origin : ""; @@ -702,8 +724,8 @@ static int fill(const char *path, int pathlen, struct attr_stack *stk, int rem) struct match_attr *a = stk->attrs[i]; if (a->is_macro) continue; - if (path_matches(path, pathlen, - a->u.pattern, base, strlen(base))) + if (path_matches(path, pathlen, basename, + &a->u.pat, base, stk->originlen)) rem = fill_one("fill", a, rem); } return rem; @@ -741,15 +763,17 @@ static void collect_all_attrs(const char *path) { struct attr_stack *stk; int i, pathlen, rem; + const char *basename; prepare_attr_stack(path); for (i = 0; i < attr_nr; i++) check_all_attr[i].value = ATTR__UNKNOWN; + basename = find_basename(path); pathlen = strlen(path); rem = attr_nr; for (stk = attr_stack; 0 < rem && stk; stk = stk->prev) - rem = fill(path, pathlen, stk, rem); + rem = fill(path, pathlen, basename, stk, rem); } int git_check_attr(const char *path, int num, struct git_attr_check *check) |