builtin-checkout.c: check error return from read_cache()

diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index 910db92b62eb6dd91a4002b2643fef4a76ec8f83..a9fdbf9d45ddd84e6397ab3e559b06e105c52a19 100644 (file)
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -140,7 +140,13 @@ 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 = strlen(refname) + 1;
+       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);
@@ -224,7 +230,7 @@ static void update_tracking_ref(struct remote *remote, struct ref *ref)
 {
        struct refspec rs;
 
-       if (ref->status != REF_STATUS_OK)
+       if (ref->status != REF_STATUS_OK && ref->status != REF_STATUS_UPTODATE)
                return;
 
        rs.src = ref->name;
@@ -234,7 +240,7 @@ static void update_tracking_ref(struct remote *remote, struct ref *ref)
                if (args.verbose)
                        fprintf(stderr, "updating local tracking ref '%s'\n", rs.dst);
                if (ref->deletion) {
-                       delete_ref(rs.dst, NULL);
+                       delete_ref(rs.dst, NULL, 0);
                } else
                        update_ref("update by push", rs.dst,
                                        ref->new_sha1, NULL, 0, 0);
@@ -429,24 +435,19 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
         */
        new_refs = 0;
        for (ref = remote_refs; ref; ref = ref->next) {
-               const unsigned char *new_sha1;
-
-               if (!ref->peer_ref) {
-                       if (!args.send_mirror)
-                               continue;
-                       new_sha1 = null_sha1;
-               }
-               else
-                       new_sha1 = ref->peer_ref->new_sha1;
 
+               if (ref->peer_ref)
+                       hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
+               else if (!args.send_mirror)
+                       continue;
 
-               ref->deletion = is_null_sha1(new_sha1);
+               ref->deletion = is_null_sha1(ref->new_sha1);
                if (ref->deletion && !allow_deleting_refs) {
                        ref->status = REF_STATUS_REJECT_NODELETE;
                        continue;
                }
                if (!ref->deletion &&
-                   !hashcmp(ref->old_sha1, new_sha1)) {
+                   !hashcmp(ref->old_sha1, ref->new_sha1)) {
                        ref->status = REF_STATUS_UPTODATE;
                        continue;
                }
@@ -474,14 +475,13 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
                    !ref->deletion &&
                    !is_null_sha1(ref->old_sha1) &&
                    (!has_sha1_file(ref->old_sha1)
-                     || !ref_newer(new_sha1, ref->old_sha1));
+                     || !ref_newer(ref->new_sha1, ref->old_sha1));
 
                if (ref->nonfastforward && !ref->force && !args.force_update) {
                        ref->status = REF_STATUS_REJECT_NONFASTFORWARD;
                        continue;
                }
 
-               hashcpy(ref->new_sha1, new_sha1);
                if (!ref->deletion)
                        new_refs++;