$ git clone -n https://src.fedoraproject.org/rpms/sagator.git /var/lib/mock/f45-build-35525-695/root/chroot_tmpdir/scmroot/sagator
Cloning into '/var/lib/mock/f45-build-35525-695/root/chroot_tmpdir/scmroot/sagator'...
$ git fetch origin ac1504a0bd07e799082cbe968f8a923799e2ac87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sagator
 * [new ref]         ac1504a0bd07e799082cbe968f8a923799e2ac87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac1504a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild