$ git clone -n https://src.fedoraproject.org/rpms/ghc-cprng-aes.git /var/lib/mock/f40-build-776761-129081/root/chroot_tmpdir/scmroot/ghc-cprng-aes
Cloning into '/var/lib/mock/f40-build-776761-129081/root/chroot_tmpdir/scmroot/ghc-cprng-aes'...
$ git fetch origin 6b4ea59ef743242c96a81930635120f150a6186c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cprng-aes
 * [new ref]         6b4ea59ef743242c96a81930635120f150a6186c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6b4ea59 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild