$ git clone -n https://src.fedoraproject.org/rpms/golang-github-multiformats-base36.git /var/lib/mock/f45-build-12439-442/root/chroot_tmpdir/scmroot/golang-github-multiformats-base36
Cloning into '/var/lib/mock/f45-build-12439-442/root/chroot_tmpdir/scmroot/golang-github-multiformats-base36'...
$ git fetch origin 11f0e156df608cf4f0c2b2e1dae7f103b6a10efa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-multiformats-base36
 * [new ref]         11f0e156df608cf4f0c2b2e1dae7f103b6a10efa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11f0e15 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild