$ git clone -n http://git.inferitos.ru/rpms/rubygem-webrick.git /var/lib/mock/inferit-9-extras-build-20354-33591/root/chroot_tmpdir/scmroot/rubygem-webrick
Cloning into '/var/lib/mock/inferit-9-extras-build-20354-33591/root/chroot_tmpdir/scmroot/rubygem-webrick'...
$ git fetch origin 6d91777:KOJI_FETCH_HEAD
fatal: couldn't find remote ref 6d91777
$ git reset --hard 6d91777
HEAD is now at 6d91777 import rubygem-webrick-1.7.0-6.el9