Makefile: add PYTHON_PATH to GIT-BUILD-OPTIONS

diff --git a/attr.c b/attr.c
index 43259e5b01f7c8368e5b5d53d8ed4af9dba593ee..7467baf2d6c81f94a7d043dcde13d463b3b46272 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -35,8 +35,7 @@ static struct git_attr *(git_attr_hash[HASHSIZE]);
 
 static unsigned hash_name(const char *name, int namelen)
 {
-       unsigned val = 0;
-       unsigned char c;
+       unsigned val = 0, c;
 
        while (namelen--) {
                c = *name++;
@@ -66,7 +65,7 @@ static int invalid_attr_name(const char *name, int namelen)
        return 0;
 }
 
-struct git_attr *git_attr(const char *name, int len)
+static struct git_attr *git_attr_internal(const char *name, int len)
 {
        unsigned hval = hash_name(name, len);
        unsigned pos = hval % HASHSIZE;
@@ -96,6 +95,11 @@ struct git_attr *git_attr(const char *name, int len)
        return a;
 }
 
+struct git_attr *git_attr(const char *name)
+{
+       return git_attr_internal(name, strlen(name));
+}
+
 /*
  * .gitattributes file is one line per record, each of which is
  *
@@ -163,7 +167,7 @@ static const char *parse_attr(const char *src, int lineno, const char *cp,
                else {
                        e->setto = xmemdupz(equals + 1, ep - equals - 1);
                }
-               e->attr = git_attr(cp, len);
+               e->attr = git_attr_internal(cp, len);
        }
        (*num_attr)++;
        return ep + strspn(ep, blank);
@@ -222,9 +226,9 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
                              sizeof(struct attr_state) * num_attr +
                              (is_macro ? 0 : namelen + 1));
                if (is_macro)
-                       res->u.attr = git_attr(name, namelen);
+                       res->u.attr = git_attr_internal(name, namelen);
                else {
-                       res->u.pattern = (char*)&(res->state[num_attr]);
+                       res->u.pattern = (char *)&(res->state[num_attr]);
                        memcpy(res->u.pattern, name, namelen);
                        res->u.pattern[namelen] = 0;
                }
@@ -275,7 +279,7 @@ static void free_attr_elem(struct attr_stack *e)
                            setto == ATTR__UNKNOWN)
                                ;
                        else
-                               free((char*) setto);
+                               free((char *) setto);
                }
                free(a);
        }
@@ -405,7 +409,7 @@ static struct attr_stack *read_attr(const char *path, int macro_ok)
                if (!res)
                        res = read_attr_from_file(path, macro_ok);
        }
-       else {
+       else if (direction == GIT_ATTR_CHECKIN) {
                res = read_attr_from_file(path, macro_ok);
                if (!res)
                        /*
@@ -415,6 +419,8 @@ static struct attr_stack *read_attr(const char *path, int macro_ok)
                         */
                        res = read_attr_from_index(path, macro_ok);
        }
+       else
+               res = read_attr_from_index(path, macro_ok);
        if (!res)
                res = xcalloc(1, sizeof(*res));
        return res;
@@ -466,7 +472,7 @@ static void bootstrap_attr_stack(void)
                elem->prev = attr_stack;
                attr_stack = elem;
 
-               if (!is_bare_repository()) {
+               if (!is_bare_repository() || direction == GIT_ATTR_INDEX) {
                        elem = read_attr(GITATTRIBUTES_FILE, 1);
                        elem->origin = strdup("");
                        elem->prev = attr_stack;
@@ -533,7 +539,7 @@ static void prepare_attr_stack(const char *path, int dirlen)
        /*
         * Read from parent directories and push them down
         */
-       if (!is_bare_repository()) {
+       if (!is_bare_repository() || direction == GIT_ATTR_INDEX) {
                while (1) {
                        char *cp;
 
@@ -554,6 +560,8 @@ static void prepare_attr_stack(const char *path, int dirlen)
                }
        }
 
+       strbuf_release(&pathbuf);
+
        /*
         * Finally push the "info" one at the top of the stack.
         */
@@ -586,20 +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;
@@ -621,19 +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;
 }
 
@@ -658,9 +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)
@@ -674,6 +692,10 @@ int git_checkattr(const char *path, int num, struct git_attr_check *check)
 void git_attr_set_direction(enum git_attr_direction new, struct index_state *istate)
 {
        enum git_attr_direction old = direction;
+
+       if (is_bare_repository() && new != GIT_ATTR_INDEX)
+               die("BUG: non-INDEX attr direction in a bare repo");
+
        direction = new;
        if (new != old)
                drop_attr_stack();