sha1_name: add get_sha1_with_context()

diff --git a/attr.c b/attr.c
index f5346ed32a1b5caf908021805214fd97e033eb27..7467baf2d6c81f94a7d043dcde13d463b3b46272 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -594,20 +594,25 @@ static int path_matches(const char *pathname, int pathlen,
        return fnmatch(pattern, pathname + baselen, FNM_PATHNAME) == 0;
 }
 
+static int macroexpand_one(int attr_nr, int rem);
+
 static int fill_one(const char *what, struct match_attr *a, int rem)
 {
        struct git_attr_check *check = check_all_attr;
        int i;
 
-       for (i = 0; 0 < rem && i < a->num_attr; i++) {
+       for (i = a->num_attr - 1; 0 < rem && 0 <= i; i--) {
                struct git_attr *attr = a->state[i].attr;
                const char **n = &(check[attr->attr_nr].value);
                const char *v = a->state[i].setto;
 
                if (*n == ATTR__UNKNOWN) {
-                       debug_set(what, a->u.pattern, attr, v);
+                       debug_set(what,
+                                 a->is_macro ? a->u.attr->name : a->u.pattern,
+                                 attr, v);
                        *n = v;
                        rem--;
+                       rem = macroexpand_one(attr->attr_nr, rem);
                }
        }
        return rem;
@@ -629,19 +634,27 @@ static int fill(const char *path, int pathlen, struct attr_stack *stk, int rem)
        return rem;
 }
 
-static int macroexpand(struct attr_stack *stk, int rem)
+static int macroexpand_one(int attr_nr, int rem)
 {
+       struct attr_stack *stk;
+       struct match_attr *a = NULL;
        int i;
-       struct git_attr_check *check = check_all_attr;
 
-       for (i = stk->num_matches - 1; 0 < rem && 0 <= i; i--) {
-               struct match_attr *a = stk->attrs[i];
-               if (!a->is_macro)
-                       continue;
-               if (check[a->u.attr->attr_nr].value != ATTR__TRUE)
-                       continue;
+       if (check_all_attr[attr_nr].value != ATTR__TRUE)
+               return rem;
+
+       for (stk = attr_stack; !a && stk; stk = stk->prev)
+               for (i = stk->num_matches - 1; !a && 0 <= i; i--) {
+                       struct match_attr *ma = stk->attrs[i];
+                       if (!ma->is_macro)
+                               continue;
+                       if (ma->u.attr->attr_nr == attr_nr)
+                               a = ma;
+               }
+
+       if (a)
                rem = fill_one("expand", a, rem);
-       }
+
        return rem;
 }
 
@@ -666,9 +679,6 @@ int git_checkattr(const char *path, int num, struct git_attr_check *check)
        for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
                rem = fill(path, pathlen, stk, rem);
 
-       for (stk = attr_stack; 0 < rem && stk; stk = stk->prev)
-               rem = macroexpand(stk, rem);
-
        for (i = 0; i < num; i++) {
                const char *value = check_all_attr[check[i].attr->attr_nr].value;
                if (value == ATTR__UNKNOWN)