$ git clone -n https://src.fedoraproject.org/rpms/ghc-filtrable.git /var/lib/mock/f41-build-837615-159296/root/chroot_tmpdir/scmroot/ghc-filtrable
Cloning into '/var/lib/mock/f41-build-837615-159296/root/chroot_tmpdir/scmroot/ghc-filtrable'...
$ git reset --hard c01298f4f25b0d5cb01dee6450bb3ef0fc8143b0
HEAD is now at c01298f revise .cabal file