$ git clone -n https://src.fedoraproject.org/rpms/erlang-covertool.git /var/lib/mock/f45-build-8251-382/root/chroot_tmpdir/scmroot/erlang-covertool
Cloning into '/var/lib/mock/f45-build-8251-382/root/chroot_tmpdir/scmroot/erlang-covertool'...
$ git fetch origin 015034a14a39918d03daf88e8f8dfef21c0cabd5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-covertool
 * [new ref]         015034a14a39918d03daf88e8f8dfef21c0cabd5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 015034a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild