$ git clone -n https://src.fedoraproject.org/rpms/ghc-Boolean.git /var/lib/mock/f31-build-115470-34502/root/chroot_tmpdir/scmroot/ghc-Boolean
Cloning into '/var/lib/mock/f31-build-115470-34502/root/chroot_tmpdir/scmroot/ghc-Boolean'...
$ git reset --hard 8727132c0a8d15f00ec94a80ef97f135a861ecec
HEAD is now at 8727132 BR prof for lib and static for executable