Add new "git replace" command

diff --git a/attr.c b/attr.c
index 43259e5b01f7c8368e5b5d53d8ed4af9dba593ee..98eb636f13d314c20e18e646c074e2511b3c891c 100644 (file)
--- a/attr.c
+++ b/attr.c
@@ -224,7 +224,7 @@ static struct match_attr *parse_attr_line(const char *line, const char *src,
                if (is_macro)
                        res->u.attr = git_attr(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 +275,7 @@ static void free_attr_elem(struct attr_stack *e)
                            setto == ATTR__UNKNOWN)
                                ;
                        else
-                               free((char*) setto);
+                               free((char *) setto);
                }
                free(a);
        }
@@ -405,7 +405,7 @@ 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 +415,8 @@ 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 +468,7 @@ 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 +535,7 @@ 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;
 
@@ -674,6 +676,10 @@ 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();