$ git clone -n https://src.fedoraproject.org/rpms/cowpatty.git /var/lib/mock/f45-build-5628-341/root/chroot_tmpdir/scmroot/cowpatty
Cloning into '/var/lib/mock/f45-build-5628-341/root/chroot_tmpdir/scmroot/cowpatty'...
$ git fetch origin 3d67d1293cbed9a988a1eca99c8b3f5777fcae17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cowpatty
 * [new ref]         3d67d1293cbed9a988a1eca99c8b3f5777fcae17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3d67d12 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild