$ git clone -n https://src.fedoraproject.org/rpms/libselinux.git /var/lib/mock/f40-build-2219915-52646/root/chroot_tmpdir/scmroot/libselinux
Cloning into '/var/lib/mock/f40-build-2219915-52646/root/chroot_tmpdir/scmroot/libselinux'...
$ git fetch origin d2d2e0866a08b3a5a0af9110441bf538cd2d85b4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libselinux
 * [new ref]         d2d2e0866a08b3a5a0af9110441bf538cd2d85b4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d2d2e08 Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.3