$ git clone -n https://src.fedoraproject.org/rpms/libselinux.git /var/lib/mock/f42-build-865151-172845/root/chroot_tmpdir/scmroot/libselinux
Cloning into '/var/lib/mock/f42-build-865151-172845/root/chroot_tmpdir/scmroot/libselinux'...
$ git fetch origin a16ebe2469fa36dff14c1c621cc0b1c1acb56f30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libselinux
 * [new ref]         a16ebe2469fa36dff14c1c621cc0b1c1acb56f30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a16ebe2 Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.4