$ git clone -n https://src.fedoraproject.org/rpms/chirp.git /var/lib/mock/f40-build-2339371-59649/root/chroot_tmpdir/scmroot/chirp
Cloning into '/var/lib/mock/f40-build-2339371-59649/root/chroot_tmpdir/scmroot/chirp'...
$ git fetch origin 5449c8a65d4d27de79d8c248e044694537c51c5d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chirp
 * [new ref]         5449c8a65d4d27de79d8c248e044694537c51c5d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5449c8a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild