$ git clone -n https://src.fedoraproject.org/rpms/ghc-turtle.git /var/lib/mock/f31-build-55023-28079/root/chroot_tmpdir/scmroot/ghc-turtle
Cloning into '/var/lib/mock/f31-build-55023-28079/root/chroot_tmpdir/scmroot/ghc-turtle'...
$ git reset --hard 39cf10155ff81ba1d4231fab45c3222625ab5835
HEAD is now at 39cf101 update to 1.5.13