$ git clone -n https://src.fedoraproject.org/rpms/ghc-base64-bytestring.git /var/lib/mock/f33-build-139011-42295/root/chroot_tmpdir/scmroot/ghc-base64-bytestring
Cloning into '/var/lib/mock/f33-build-139011-42295/root/chroot_tmpdir/scmroot/ghc-base64-bytestring'...
$ git reset --hard da3444ebc1bd3963318cbb5e2cb3a02cdf5ea45b
HEAD is now at da3444e update to 1.0.0.3