$ git clone -n https://src.fedoraproject.org/rpms/kalgebra.git /var/lib/mock/f41-build-850447-165391/root/chroot_tmpdir/scmroot/kalgebra
Cloning into '/var/lib/mock/f41-build-850447-165391/root/chroot_tmpdir/scmroot/kalgebra'...
$ git fetch origin 7291d1855fdf5f8566129505735435b766bddcf4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalgebra
 * [new ref]         7291d1855fdf5f8566129505735435b766bddcf4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7291d18 24.08.0