$ git clone -n https://src.fedoraproject.org/rpms/ghc-primitive.git /var/lib/mock/f31-build-116785-34581/root/chroot_tmpdir/scmroot/ghc-primitive
Cloning into '/var/lib/mock/f31-build-116785-34581/root/chroot_tmpdir/scmroot/ghc-primitive'...
$ git reset --hard d1a273057e63e50cf6abbd1e03f17c48810973a5
HEAD is now at d1a2730 BR prof for lib and static for executable