$ git clone -n https://src.fedoraproject.org/rpms/rubygem-kramdown-syntax-coderay.git /var/lib/mock/f45-build-35031-693/root/chroot_tmpdir/scmroot/rubygem-kramdown-syntax-coderay
Cloning into '/var/lib/mock/f45-build-35031-693/root/chroot_tmpdir/scmroot/rubygem-kramdown-syntax-coderay'...
$ git fetch origin f0e5cbc086fc11afb55404b5f29dbf145a6c2fab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-kramdown-syntax-coderay
 * [new ref]         f0e5cbc086fc11afb55404b5f29dbf145a6c2fab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0e5cbc Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild