$ git clone -n https://src.fedoraproject.org/rpms/chicken.git /var/lib/mock/f40-build-1992581-43611/root/chroot_tmpdir/scmroot/chicken
Cloning into '/var/lib/mock/f40-build-1992581-43611/root/chroot_tmpdir/scmroot/chicken'...
$ git fetch origin e6d2df9f64779816401528c208b9156649af8e79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/chicken
 * [new ref]         e6d2df9f64779816401528c208b9156649af8e79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e6d2df9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild