$ git clone -n https://src.fedoraproject.org/rpms/ghc-doctemplates.git /var/lib/mock/f40-build-777194-129287/root/chroot_tmpdir/scmroot/ghc-doctemplates
Cloning into '/var/lib/mock/f40-build-777194-129287/root/chroot_tmpdir/scmroot/ghc-doctemplates'...
$ git fetch origin 5a998b5d954fa0c105dc3104808b899f3f8893fb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-doctemplates
 * [new ref]         5a998b5d954fa0c105dc3104808b899f3f8893fb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5a998b5 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild