$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jcmturner-gofork.git /var/lib/mock/f45-build-12094-437/root/chroot_tmpdir/scmroot/golang-github-jcmturner-gofork
Cloning into '/var/lib/mock/f45-build-12094-437/root/chroot_tmpdir/scmroot/golang-github-jcmturner-gofork'...
$ git fetch origin 87c2dad6eedd3a74037762e95d5149c363df6375:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jcmturner-gofork
 * [new ref]         87c2dad6eedd3a74037762e95d5149c363df6375 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87c2dad Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild