$ git clone -n https://src.fedoraproject.org/rpms/rubygem-racc.git /var/lib/mock/f33-build-434955-63172/root/chroot_tmpdir/scmroot/rubygem-racc
Cloning into '/var/lib/mock/f33-build-434955-63172/root/chroot_tmpdir/scmroot/rubygem-racc'...
$ git reset --hard d23a6cac7ced717c722c25d56a2f557cf17eb42a
HEAD is now at d23a6ca 1.5.1