$ git clone -n https://src.fedoraproject.org/rpms/brotli.git /var/lib/mock/f40-build-2274800-55030/root/chroot_tmpdir/scmroot/brotli
Cloning into '/var/lib/mock/f40-build-2274800-55030/root/chroot_tmpdir/scmroot/brotli'...
$ git fetch origin 3f821eb806c59d4f1c4fa9afe484b3db946fcd85:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/brotli
 * [new ref]         3f821eb806c59d4f1c4fa9afe484b3db946fcd85 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f821eb Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild