$ git clone -n https://src.fedoraproject.org/rpms/kalgebra.git /var/lib/mock/f40-build-2048919-49008/root/chroot_tmpdir/scmroot/kalgebra
Cloning into '/var/lib/mock/f40-build-2048919-49008/root/chroot_tmpdir/scmroot/kalgebra'...
$ git fetch origin 215dbe6fd3ae300d836d13f6995c18aae20939ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalgebra
 * [new ref]         215dbe6fd3ae300d836d13f6995c18aae20939ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 215dbe6 24.01.80