$ git clone -n https://src.fedoraproject.org/rpms/kcalutils.git /var/lib/mock/f42-build-864259-172274/root/chroot_tmpdir/scmroot/kcalutils
Cloning into '/var/lib/mock/f42-build-864259-172274/root/chroot_tmpdir/scmroot/kcalutils'...
$ git fetch origin 7c5d0689ae6fc6312a17944bc7b2d318ce51635d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcalutils
 * [new ref]         7c5d0689ae6fc6312a17944bc7b2d318ce51635d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7c5d068 24.12.0