$ git clone -n https://src.fedoraproject.org/rpms/golang-github-multiformats-base32.git /var/lib/mock/f45-build-12484-442/root/chroot_tmpdir/scmroot/golang-github-multiformats-base32
Cloning into '/var/lib/mock/f45-build-12484-442/root/chroot_tmpdir/scmroot/golang-github-multiformats-base32'...
$ git fetch origin d1a3e332693b86a6188a323343847d3777507294:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-multiformats-base32
 * [new ref]         d1a3e332693b86a6188a323343847d3777507294 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d1a3e33 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild