$ git clone -n https://src.fedoraproject.org/rpms/ghc-shelly.git /var/lib/mock/f31-build-54819-28063/root/chroot_tmpdir/scmroot/ghc-shelly
Cloning into '/var/lib/mock/f31-build-54819-28063/root/chroot_tmpdir/scmroot/ghc-shelly'...
$ git reset --hard d633b2e9dc7b0e3ccd5e61786eaad036439a2f21
HEAD is now at d633b2e update to 1.8.1