$ git clone -n https://src.fedoraproject.org/rpms/ghc-tls.git /var/lib/mock/f31-build-101337-33380/root/chroot_tmpdir/scmroot/ghc-tls
Cloning into '/var/lib/mock/f31-build-101337-33380/root/chroot_tmpdir/scmroot/ghc-tls'...
$ git reset --hard a9d99cf147a4f2dc3c74cc0a94c98aabd2f53da9
HEAD is now at a9d99cf BR prof for lib and static for executable