Imported Upstream version 2.0.1

[platform/upstream/git.git] / attr.c

diff --git a/attr.c b/attr.c
index 8985c5c..734222d 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -211,7 +211,7 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
        name = cp;
        namelen = strcspn(name, blank);
        if (strlen(ATTRIBUTE_MACRO_PREFIX) < namelen &&
-           !prefixcmp(name, ATTRIBUTE_MACRO_PREFIX)) {
+           starts_with(name, ATTRIBUTE_MACRO_PREFIX)) {
                if (!macro_ok) {
                        fprintf(stderr, "%s not allowed: %s:%d\n",
                                name, src, lineno);
@@ -255,9 +255,11 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
                                      &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."));
+               if (res->u.pat.flags & EXC_FLAG_NEGATIVE) {
+                       warning(_("Negative patterns are ignored in git attributes\n"
+                                 "Use '\\!' for literal leading exclamation."));
+                       return NULL;
+               }
        }
        res->is_macro = is_macro;
        res->num_attr = num_attr;
@@ -284,7 +286,7 @@ 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
  */
 
@@ -336,12 +338,7 @@ static void handle_attr_line(struct attr_stack *res,
        a = parse_attr_line(line, src, lineno, macro_ok);
        if (!a)
                return;
-       if (res->alloc <= res->num_matches) {
-               res->alloc = alloc_nr(res->num_matches);
-               res->attrs = xrealloc(res->attrs,
-                                     sizeof(struct match_attr *) *
-                                     res->alloc);
-       }
+       ALLOC_GROW(res->attrs, res->num_matches + 1, res->alloc);
        res->attrs[res->num_matches++] = a;
 }
 
@@ -379,46 +376,13 @@ static struct attr_stack *read_attr_from_file(const char *path, int macro_ok)
        return res;
 }
 
-static void *read_index_data(const char *path)
-{
-       int pos, len;
-       unsigned long sz;
-       enum object_type type;
-       void *data;
-       struct index_state *istate = use_index ? use_index : &the_index;
-
-       len = strlen(path);
-       pos = index_name_pos(istate, path, len);
-       if (pos < 0) {
-               /*
-                * We might be in the middle of a merge, in which
-                * case we would read stage #2 (ours).
-                */
-               int i;
-               for (i = -pos - 1;
-                    (pos < 0 && i < istate->cache_nr &&
-                     !strcmp(istate->cache[i]->name, path));
-                    i++)
-                       if (ce_stage(istate->cache[i]) == 2)
-                               pos = i;
-       }
-       if (pos < 0)
-               return NULL;
-       data = read_sha1_file(istate->cache[pos]->sha1, &type, &sz);
-       if (!data || type != OBJ_BLOB) {
-               free(data);
-               return NULL;
-       }
-       return data;
-}
-
 static struct attr_stack *read_attr_from_index(const char *path, int macro_ok)
 {
        struct attr_stack *res;
        char *buf, *sp;
        int lineno = 0;
 
-       buf = read_index_data(path);
+       buf = read_blob_data_from_index(use_index ? use_index : &the_index, path, NULL);
        if (!buf)
                return NULL;
 
@@ -655,24 +619,24 @@ static void prepare_attr_stack(const char *path, int dirlen)
 }
 
 static int path_matches(const char *pathname, int pathlen,
-                       const char *basename,
+                       int basename_offset,
                        const struct pattern *pat,
                        const char *base, int baselen)
 {
        const char *pattern = pat->pattern;
        int prefix = pat->nowildcardlen;
+       int isdir = (pathlen && pathname[pathlen - 1] == '/');
 
-       if ((pat->flags & EXC_FLAG_MUSTBEDIR) &&
-           ((!pathlen) || (pathname[pathlen-1] != '/')))
+       if ((pat->flags & EXC_FLAG_MUSTBEDIR) && !isdir)
                return 0;
 
        if (pat->flags & EXC_FLAG_NODIR) {
-               return match_basename(basename,
-                                     pathlen - (basename - pathname),
+               return match_basename(pathname + basename_offset,
+                                     pathlen - basename_offset - isdir,
                                      pattern, prefix,
                                      pat->patternlen, pat->flags);
        }
-       return match_pathname(pathname, pathlen,
+       return match_pathname(pathname, pathlen - isdir,
                              base, baselen,
                              pattern, prefix, pat->patternlen, pat->flags);
 }
@@ -701,7 +665,7 @@ static int fill_one(const char *what, struct match_attr *a, int rem)
        return rem;
 }
 
-static int fill(const char *path, int pathlen, const char *basename,
+static int fill(const char *path, int pathlen, int basename_offset,
                struct attr_stack *stk, int rem)
 {
        int i;
@@ -711,7 +675,7 @@ static int fill(const char *path, int pathlen, const char *basename,
                struct match_attr *a = stk->attrs[i];
                if (a->is_macro)
                        continue;
-               if (path_matches(path, pathlen, basename,
+               if (path_matches(path, pathlen, basename_offset,
                                 &a->u.pat, base, stk->originlen))
                        rem = fill_one("fill", a, rem);
        }
@@ -750,7 +714,8 @@ static void collect_all_attrs(const char *path)
 {
        struct attr_stack *stk;
        int i, pathlen, rem, dirlen;
-       const char *basename, *cp, *last_slash = NULL;
+       const char *cp, *last_slash = NULL;
+       int basename_offset;
 
        for (cp = path; *cp; cp++) {
                if (*cp == '/' && cp[1])
@@ -758,10 +723,10 @@ static void collect_all_attrs(const char *path)
        }
        pathlen = cp - path;
        if (last_slash) {
-               basename = last_slash + 1;
+               basename_offset = last_slash + 1 - path;
                dirlen = last_slash - path;
        } else {
-               basename = path;
+               basename_offset = 0;
                dirlen = 0;
        }
 
@@ -771,7 +736,7 @@ static void collect_all_attrs(const char *path)
 
        rem = attr_nr;
        for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
-               rem = fill(path, pathlen, basename, stk, rem);
+               rem = fill(path, pathlen, basename_offset, stk, rem);
 }
 
 int git_check_attr(const char *path, int num, struct git_attr_check *check)