$ git clone -n https://src.fedoraproject.org/rpms/fmt11.git /var/lib/mock/f45-build-9120-399/root/chroot_tmpdir/scmroot/fmt11
Cloning into '/var/lib/mock/f45-build-9120-399/root/chroot_tmpdir/scmroot/fmt11'...
$ git fetch origin 4739c25d2104c81e8ecb40ce2340bae2d08ead75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fmt11
 * [new ref]         4739c25d2104c81e8ecb40ce2340bae2d08ead75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4739c25 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild