$ git clone -n https://src.fedoraproject.org/rpms/varnish-modules.git /var/lib/mock/f40-build-2064847-49167/root/chroot_tmpdir/scmroot/varnish-modules
Cloning into '/var/lib/mock/f40-build-2064847-49167/root/chroot_tmpdir/scmroot/varnish-modules'...
$ git fetch origin 6ed3472197c782dff648391675c5468b53d15246:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/varnish-modules
 * [new ref]         6ed3472197c782dff648391675c5468b53d15246 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6ed3472 Rebuilt for varnish-7.4.2