$ git clone -n https://src.fedoraproject.org/rpms/nazghul.git /var/lib/mock/f40-build-749705-114554/root/chroot_tmpdir/scmroot/nazghul
Cloning into '/var/lib/mock/f40-build-749705-114554/root/chroot_tmpdir/scmroot/nazghul'...
$ git fetch origin 1e5c0bb7b20970cbe63d71b9b7eab1ba59bc114f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nazghul
 * [new ref]         1e5c0bb7b20970cbe63d71b9b7eab1ba59bc114f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e5c0bb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild