$ git clone -n https://src.fedoraproject.org/rpms/ghc-oeis.git /var/lib/mock/f31-build-100821-33321/root/chroot_tmpdir/scmroot/ghc-oeis
Cloning into '/var/lib/mock/f31-build-100821-33321/root/chroot_tmpdir/scmroot/ghc-oeis'...
$ git reset --hard 923da4cf207c6e9bce3519e9be6d123a39d58203
HEAD is now at 923da4c BR prof for lib and static for executable