$ git clone -n https://src.fedoraproject.org/rpms/ghc-prelude-extras.git /var/lib/mock/f31-build-100887-33326/root/chroot_tmpdir/scmroot/ghc-prelude-extras
Cloning into '/var/lib/mock/f31-build-100887-33326/root/chroot_tmpdir/scmroot/ghc-prelude-extras'...
$ git reset --hard bcdb1c43c1652b063e5be635d99e75099ccb86c3
HEAD is now at bcdb1c4 BR prof for lib and static for executable