$ git clone -n https://src.fedoraproject.org/rpms/google-guice.git /var/lib/mock/f40-build-2522918-61800/root/chroot_tmpdir/scmroot/google-guice
Cloning into '/var/lib/mock/f40-build-2522918-61800/root/chroot_tmpdir/scmroot/google-guice'...
$ git fetch origin 9c86466f1f16998a1c942d61a5a29c5ea03d7f5a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/google-guice
 * [new ref]         9c86466f1f16998a1c942d61a5a29c5ea03d7f5a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c86466 Rebuilt for java-21-openjdk as system jdk