$ git clone -n https://src.fedoraproject.org/rpms/kcron.git /var/lib/mock/f40-build-1348784-23554/root/chroot_tmpdir/scmroot/kcron
Cloning into '/var/lib/mock/f40-build-1348784-23554/root/chroot_tmpdir/scmroot/kcron'...
$ git fetch origin 8cf6391422521c2ca96991ddd8e172c77819f864:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcron
 * [new ref]         8cf6391422521c2ca96991ddd8e172c77819f864 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cf6391 24.05.0