$ git clone -n https://src.fedoraproject.org/rpms/golang-github-martinhoefling-goxkcdpwgen.git /var/lib/mock/f45-build-20164-568/root/chroot_tmpdir/scmroot/golang-github-martinhoefling-goxkcdpwgen
Cloning into '/var/lib/mock/f45-build-20164-568/root/chroot_tmpdir/scmroot/golang-github-martinhoefling-goxkcdpwgen'...
$ git fetch origin af8f833f16dfcda96503bec6a4ee96afa1050ee7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-martinhoefling-goxkcdpwgen
 * [new ref]         af8f833f16dfcda96503bec6a4ee96afa1050ee7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at af8f833 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild