$ git clone -n https://src.fedoraproject.org/rpms/golang-github-alecthomas-assert-2.git /var/lib/mock/f45-build-11707-434/root/chroot_tmpdir/scmroot/golang-github-alecthomas-assert-2
Cloning into '/var/lib/mock/f45-build-11707-434/root/chroot_tmpdir/scmroot/golang-github-alecthomas-assert-2'...
$ git fetch origin ee6dd618f2e1115a125716d4af2150aa713e0bfc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-alecthomas-assert-2
 * [new ref]         ee6dd618f2e1115a125716d4af2150aa713e0bfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee6dd61 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild