$ git clone -n https://src.fedoraproject.org/rpms/nginx-mod-modsecurity.git /var/lib/mock/f38-build-side-42-init-devel-725439-27319/root/chroot_tmpdir/scmroot/nginx-mod-modsecurity
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-725439-27319/root/chroot_tmpdir/scmroot/nginx-mod-modsecurity'...
$ git fetch origin 907bce279142d3cb847310178b66ffa884b1d19a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nginx-mod-modsecurity
 * [new ref]         907bce279142d3cb847310178b66ffa884b1d19a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 907bce2 Fix config and add config example