$ git clone -n https://src.fedoraproject.org/rpms/golang-github-djherbis-atime.git /var/lib/mock/f45-build-11872-435/root/chroot_tmpdir/scmroot/golang-github-djherbis-atime
Cloning into '/var/lib/mock/f45-build-11872-435/root/chroot_tmpdir/scmroot/golang-github-djherbis-atime'...
$ git fetch origin 4fd110d67955a1cac82695798add29c5b3092c45:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-djherbis-atime
 * [new ref]         4fd110d67955a1cac82695798add29c5b3092c45 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4fd110d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild