$ git clone -n https://src.fedoraproject.org/rpms/golang-github-gobuffalo-here.git /var/lib/mock/f45-build-11931-436/root/chroot_tmpdir/scmroot/golang-github-gobuffalo-here
Cloning into '/var/lib/mock/f45-build-11931-436/root/chroot_tmpdir/scmroot/golang-github-gobuffalo-here'...
$ git fetch origin 2438e93d33d7404a720ab411ac1585b8a2859574:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-gobuffalo-here
 * [new ref]         2438e93d33d7404a720ab411ac1585b8a2859574 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2438e93 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild