$ git clone -n https://src.fedoraproject.org/rpms/bristol.git /var/lib/mock/f40-build-2274798-55030/root/chroot_tmpdir/scmroot/bristol
Cloning into '/var/lib/mock/f40-build-2274798-55030/root/chroot_tmpdir/scmroot/bristol'...
$ git fetch origin 1c3a6fbd6cd27f46c28a66f79dabbd62244cd42b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bristol
 * [new ref]         1c3a6fbd6cd27f46c28a66f79dabbd62244cd42b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c3a6fb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild