$ git clone -n https://src.fedoraproject.org/rpms/kalk.git /var/lib/mock/f39-build-1582237-38106/root/chroot_tmpdir/scmroot/kalk
Cloning into '/var/lib/mock/f39-build-1582237-38106/root/chroot_tmpdir/scmroot/kalk'...
$ git fetch origin e7323926f9a0d863d86842a4fa355384bbde92e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kalk
 * [new ref]         e7323926f9a0d863d86842a4fa355384bbde92e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e732392 23.08.2