$ git clone -n https://src.fedoraproject.org/rpms/kalgebra.git /var/lib/mock/f40-build-2227240-53007/root/chroot_tmpdir/scmroot/kalgebra
Cloning into '/var/lib/mock/f40-build-2227240-53007/root/chroot_tmpdir/scmroot/kalgebra'...
$ git fetch origin 4a00d6ade71e7af3ec2cde8c92d7cd196866d04d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalgebra
 * [new ref]         4a00d6ade71e7af3ec2cde8c92d7cd196866d04d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a00d6a 24.01.85