$ git clone -n https://src.fedoraproject.org/rpms/cawbird.git /var/lib/mock/f39-build-1517935-35785/root/chroot_tmpdir/scmroot/cawbird
Cloning into '/var/lib/mock/f39-build-1517935-35785/root/chroot_tmpdir/scmroot/cawbird'...
$ git fetch origin 50d44b310d7c2801a678ff2550325e483ee53b01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cawbird
 * [new ref]         50d44b310d7c2801a678ff2550325e483ee53b01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 50d44b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild