$ git clone -n https://src.fedoraproject.org/rpms/ghc-data-reify.git /var/lib/mock/f40-build-2694434-69106/root/chroot_tmpdir/scmroot/ghc-data-reify
Cloning into '/var/lib/mock/f40-build-2694434-69106/root/chroot_tmpdir/scmroot/ghc-data-reify'...
$ git fetch origin 91250dddcb732efb10fff32ce29556812b029134:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-data-reify
 * [new ref]         91250dddcb732efb10fff32ce29556812b029134 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91250dd Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild