$ git clone -n https://src.fedoraproject.org/rpms/ghc-SafeSemaphore.git /var/lib/mock/f33-build-321071-57942/root/chroot_tmpdir/scmroot/ghc-SafeSemaphore
Cloning into '/var/lib/mock/f33-build-321071-57942/root/chroot_tmpdir/scmroot/ghc-SafeSemaphore'...
$ git reset --hard 1c8834eeebd944191086049034cd08772a3bd0c0
HEAD is now at 1c8834e - Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild