$ git clone -n https://src.fedoraproject.org/rpms/ghc-auto-update.git /var/lib/mock/f31-build-115748-34518/root/chroot_tmpdir/scmroot/ghc-auto-update
Cloning into '/var/lib/mock/f31-build-115748-34518/root/chroot_tmpdir/scmroot/ghc-auto-update'...
$ git reset --hard 9c318907f994a59508a2c8858b037a3c05aa4f94
HEAD is now at 9c31890 BR prof for lib and static for executable