match-trees: compute buffer offset correctly when splicing

diff --git a/builtin/receive-pack.c b/builtin/receive-pack.c
index c17ce94e12ee34c5b822b0e09fcd6d7264e759ad..33187bd8e90252c283b7154bc7026e01d4e754ef 100644 (file)
--- a/builtin/receive-pack.c
+++ b/builtin/receive-pack.c
@@ -27,6 +27,7 @@
 #include "packfile.h"
 #include "object-store.h"
 #include "protocol.h"
+#include "commit-reach.h"
 
 static const char * const receive_pack_usage[] = {
        N_("git receive-pack <git-dir>"),
@@ -280,8 +281,7 @@ static int show_ref_cb(const char *path_full, const struct object_id *oid,
        return 0;
 }
 
-static void show_one_alternate_ref(const char *refname,
-                                  const struct object_id *oid,
+static void show_one_alternate_ref(const struct object_id *oid,
                                   void *data)
 {
        struct oidset *seen = data;
@@ -465,7 +465,7 @@ static char *prepare_push_cert_nonce(const char *path, timestamp_t stamp)
        unsigned char sha1[GIT_SHA1_RAWSZ];
 
        strbuf_addf(&buf, "%s:%"PRItime, path, stamp);
-       hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));;
+       hmac_sha1(sha1, buf.buf, buf.len, cert_nonce_seed, strlen(cert_nonce_seed));
        strbuf_release(&buf);
 
        /* RFC 2104 5. HMAC-SHA1-80 */
@@ -1025,6 +1025,7 @@ static const char *update(struct command *cmd, struct shallow_info *si)
        const char *ret;
        struct object_id *old_oid = &cmd->old_oid;
        struct object_id *new_oid = &cmd->new_oid;
+       int do_update_worktree = 0;
 
        /* only refs/... are allowed */
        if (!starts_with(name, "refs/") || check_refname_format(name + 5, 0)) {
@@ -1050,9 +1051,8 @@ static const char *update(struct command *cmd, struct shallow_info *si)
                                refuse_unconfigured_deny();
                        return "branch is currently checked out";
                case DENY_UPDATE_INSTEAD:
-                       ret = update_worktree(new_oid->hash);
-                       if (ret)
-                               return ret;
+                       /* pass -- let other checks intervene first */
+                       do_update_worktree = 1;
                        break;
                }
        }
@@ -1117,6 +1117,12 @@ static const char *update(struct command *cmd, struct shallow_info *si)
                return "hook declined";
        }
 
+       if (do_update_worktree) {
+               ret = update_worktree(new_oid->hash);
+               if (ret)
+                       return ret;
+       }
+
        if (is_null_oid(new_oid)) {
                struct strbuf err = STRBUF_INIT;
                if (!parse_object(the_repository, old_oid)) {
@@ -1222,8 +1228,8 @@ static void check_aliased_update(struct command *cmd, struct string_list *list)
 
        dst_cmd = (struct command *) item->util;
 
-       if (!oidcmp(&cmd->old_oid, &dst_cmd->old_oid) &&
-           !oidcmp(&cmd->new_oid, &dst_cmd->new_oid))
+       if (oideq(&cmd->old_oid, &dst_cmd->old_oid) &&
+           oideq(&cmd->new_oid, &dst_cmd->new_oid))
                return;
 
        dst_cmd->skip_update = 1;
@@ -1833,7 +1839,7 @@ static void prepare_shallow_update(struct command *commands,
        /*
         * keep hooks happy by forcing a temporary shallow file via
         * env variable because we can't add --shallow-file to every
-        * command. check_everything_connected() will be done with
+        * command. check_connected() will be done with
         * true .git/shallow though.
         */
        setenv(GIT_SHALLOW_FILE_ENVIRONMENT, alt_shallow_file, 1);