$ git clone -n https://src.fedoraproject.org/rpms/golang-github-inhies-bytesize.git /var/lib/mock/f45-build-12070-437/root/chroot_tmpdir/scmroot/golang-github-inhies-bytesize
Cloning into '/var/lib/mock/f45-build-12070-437/root/chroot_tmpdir/scmroot/golang-github-inhies-bytesize'...
$ git fetch origin 1f91741885d8057c15a79d4b3dc2f24470eb0085:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-inhies-bytesize
 * [new ref]         1f91741885d8057c15a79d4b3dc2f24470eb0085 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f91741 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild