$ git clone -n https://src.fedoraproject.org/rpms/rubygem-bson.git /var/lib/mock/f33-build-147641-43127/root/chroot_tmpdir/scmroot/rubygem-bson
Cloning into '/var/lib/mock/f33-build-147641-43127/root/chroot_tmpdir/scmroot/rubygem-bson'...
$ git reset --hard 0741dbc47272006ff4a1fcd5c5f68ea941c01eda
HEAD is now at 0741dbc Update to bson 4.8.1.