$ git clone -n https://src.fedoraproject.org/rpms/kalk.git /var/lib/mock/f42-build-863937-172034/root/chroot_tmpdir/scmroot/kalk
Cloning into '/var/lib/mock/f42-build-863937-172034/root/chroot_tmpdir/scmroot/kalk'...
$ git fetch origin 9d426b15d4ea7d558073ac3d9a0a9d8f3203a539:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalk
 * [new ref]         9d426b15d4ea7d558073ac3d9a0a9d8f3203a539 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d426b1 24.12.0