$ git clone -n https://src.fedoraproject.org/rpms/golang-github-insomniacslk-dhcp.git /var/lib/mock/f45-build-12071-437/root/chroot_tmpdir/scmroot/golang-github-insomniacslk-dhcp
Cloning into '/var/lib/mock/f45-build-12071-437/root/chroot_tmpdir/scmroot/golang-github-insomniacslk-dhcp'...
$ git fetch origin ff8670064864467dcf4204287c84e625e9ce165d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-insomniacslk-dhcp
 * [new ref]         ff8670064864467dcf4204287c84e625e9ce165d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ff86700 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild