$ git clone -n https://src.fedoraproject.org/rpms/xbyak_aarch64.git /var/lib/mock/f45-build-55414-943/root/chroot_tmpdir/scmroot/xbyak_aarch64
Cloning into '/var/lib/mock/f45-build-55414-943/root/chroot_tmpdir/scmroot/xbyak_aarch64'...
$ git fetch origin 1c59e5964e3071c1dbe48be014cee81b2d823235:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xbyak_aarch64
 * [new ref]         1c59e5964e3071c1dbe48be014cee81b2d823235 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c59e59 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild