$ git clone -n https://src.fedoraproject.org/rpms/perl-Iterator-Simple-Lookahead.git /var/lib/mock/f45-build-24294-603/root/chroot_tmpdir/scmroot/perl-Iterator-Simple-Lookahead
Cloning into '/var/lib/mock/f45-build-24294-603/root/chroot_tmpdir/scmroot/perl-Iterator-Simple-Lookahead'...
$ git fetch origin 157711cdaa95015aba2c74c57428ea63e278196f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Iterator-Simple-Lookahead
 * [new ref]         157711cdaa95015aba2c74c57428ea63e278196f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 157711c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild