$ git clone -n https://src.fedoraproject.org/rpms/golang-github-d2g-dhcp4server.git /var/lib/mock/f45-build-11849-435/root/chroot_tmpdir/scmroot/golang-github-d2g-dhcp4server
Cloning into '/var/lib/mock/f45-build-11849-435/root/chroot_tmpdir/scmroot/golang-github-d2g-dhcp4server'...
$ git fetch origin a7b753b32d7baffa304e6589515d4875e8f34fbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-d2g-dhcp4server
 * [new ref]         a7b753b32d7baffa304e6589515d4875e8f34fbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7b753b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild