builtin-rm: use warning() instead of fprintf(stderr, "warning: ")
[gitweb.git] / builtin-send-pack.c
index a9fdbf9d45ddd84e6397ab3e559b06e105c52a19..9072905f10cbbb0f8297bc1b1c7dfb12613c80a7 100644 (file)
@@ -1,6 +1,5 @@
 #include "cache.h"
 #include "commit.h"
-#include "tag.h"
 #include "refs.h"
 #include "pkt-line.h"
 #include "run-command.h"
@@ -15,6 +14,20 @@ static struct send_pack_args args = {
        /* .receivepack = */ "git-receive-pack",
 };
 
+static int feed_object(const unsigned char *sha1, int fd, int negative)
+{
+       char buf[42];
+
+       if (negative && !has_sha1_file(sha1))
+               return 1;
+
+       memcpy(buf + negative, sha1_to_hex(sha1), 40);
+       if (negative)
+               buf[0] = '^';
+       buf[40 + negative] = '\n';
+       return write_or_whine(fd, buf, 41 + negative, "send-pack: send refs");
+}
+
 /*
  * Make a pack stream and spit it out into file descriptor fd
  */
@@ -35,7 +48,6 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext
        };
        struct child_process po;
        int i;
-       char buf[42];
 
        if (args.use_thin_pack)
                argv[4] = "--thin";
@@ -51,31 +63,17 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext
         * We feed the pack-objects we just spawned with revision
         * parameters by writing to the pipe.
         */
-       for (i = 0; i < extra->nr; i++) {
-               memcpy(buf + 1, sha1_to_hex(&extra->array[i][0]), 40);
-               buf[0] = '^';
-               buf[41] = '\n';
-               if (!write_or_whine(po.in, buf, 42, "send-pack: send refs"))
+       for (i = 0; i < extra->nr; i++)
+               if (!feed_object(extra->array[i], po.in, 1))
                        break;
-       }
 
        while (refs) {
                if (!is_null_sha1(refs->old_sha1) &&
-                   has_sha1_file(refs->old_sha1)) {
-                       memcpy(buf + 1, sha1_to_hex(refs->old_sha1), 40);
-                       buf[0] = '^';
-                       buf[41] = '\n';
-                       if (!write_or_whine(po.in, buf, 42,
-                                               "send-pack: send refs"))
-                               break;
-               }
-               if (!is_null_sha1(refs->new_sha1)) {
-                       memcpy(buf, sha1_to_hex(refs->new_sha1), 40);
-                       buf[40] = '\n';
-                       if (!write_or_whine(po.in, buf, 41,
-                                               "send-pack: send refs"))
-                               break;
-               }
+                   !feed_object(refs->old_sha1, po.in, 1))
+                       break;
+               if (!is_null_sha1(refs->new_sha1) &&
+                   !feed_object(refs->new_sha1, po.in, 0))
+                       break;
                refs = refs->next;
        }
 
@@ -85,82 +83,8 @@ static int pack_objects(int fd, struct ref *refs, struct extra_have_objects *ext
        return 0;
 }
 
-static void unmark_and_free(struct commit_list *list, unsigned int mark)
-{
-       while (list) {
-               struct commit_list *temp = list;
-               temp->item->object.flags &= ~mark;
-               list = temp->next;
-               free(temp);
-       }
-}
-
-static int ref_newer(const unsigned char *new_sha1,
-                    const unsigned char *old_sha1)
-{
-       struct object *o;
-       struct commit *old, *new;
-       struct commit_list *list, *used;
-       int found = 0;
-
-       /* Both new and old must be commit-ish and new is descendant of
-        * old.  Otherwise we require --force.
-        */
-       o = deref_tag(parse_object(old_sha1), NULL, 0);
-       if (!o || o->type != OBJ_COMMIT)
-               return 0;
-       old = (struct commit *) o;
-
-       o = deref_tag(parse_object(new_sha1), NULL, 0);
-       if (!o || o->type != OBJ_COMMIT)
-               return 0;
-       new = (struct commit *) o;
-
-       if (parse_commit(new) < 0)
-               return 0;
-
-       used = list = NULL;
-       commit_list_insert(new, &list);
-       while (list) {
-               new = pop_most_recent_commit(&list, 1);
-               commit_list_insert(new, &used);
-               if (new == old) {
-                       found = 1;
-                       break;
-               }
-       }
-       unmark_and_free(list, 1);
-       unmark_and_free(used, 1);
-       return found;
-}
-
-static struct ref *local_refs, **local_tail;
 static struct ref *remote_refs, **remote_tail;
 
-static int one_local_ref(const char *refname, const unsigned char *sha1, int flag, void *cb_data)
-{
-       struct ref *ref;
-       int len;
-
-       /* we already know it starts with refs/ to get here */
-       if (check_ref_format(refname + 5))
-               return 0;
-
-       len = strlen(refname) + 1;
-       ref = xcalloc(1, sizeof(*ref) + len);
-       hashcpy(ref->new_sha1, sha1);
-       memcpy(ref->name, refname, len);
-       *local_tail = ref;
-       local_tail = &ref->next;
-       return 0;
-}
-
-static void get_local_heads(void)
-{
-       local_tail = &local_refs;
-       for_each_ref(one_local_ref, NULL);
-}
-
 static int receive_status(int in, struct ref *refs)
 {
        struct ref *hint;
@@ -388,7 +312,7 @@ static int refs_pushed(struct ref *ref)
 
 static int do_send_pack(int in, int out, struct remote *remote, const char *dest, int nr_refspec, const char **refspec)
 {
-       struct ref *ref;
+       struct ref *ref, *local_refs;
        int new_refs;
        int ask_for_status_report = 0;
        int allow_deleting_refs = 0;
@@ -406,7 +330,7 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
        /* No funny business with the matcher */
        remote_tail = get_remote_heads(in, &remote_refs, 0, NULL, REF_NORMAL,
                                       &extra_have);
-       get_local_heads();
+       local_refs = get_local_heads();
 
        /* Does the other end support the reporting? */
        if (server_supports("report-status"))