#!/bin/sh
# publish -- build the website and put it on slosh.foo.
#
#   web/publish              # build + rsync        (or: make www-publish)
#   NO_DEMO=1 web/publish    # ...skipping the demo build; the served demo
#                            # is left alone rather than deleted
#
# The web root on the box is /opt/slosh, which also holds the pacman
# repository at /arch -- that one is published by contrib/arch-repo (via
# contrib/ship), not by this script, so the --delete that keeps the site
# exact must never reach it.
set -eu

DEST="${SLOSH_WWW_DEST:-root@sl0p.foo:/opt/slosh}"

here="$(cd "$(dirname "$0")" && pwd)"
root="$(dirname "$here")"
www="$root/build/www"

fail() { printf 'publish: %s\n' "$*" >&2; exit 1; }

"$here/build-site"

# What goes up must be the real site: a botched build that produced an empty
# or partial tree, synced with --delete, is the site going dark. build-site
# stages and swaps so this should be unreachable; check anyway, it is cheap.
[ -f "$www/index.html" ] || fail "$www has no index.html -- refusing to sync"
[ -d "$www/docs" ]       || fail "$www has no docs/ -- refusing to sync"

# A NO_DEMO build has no demo/ in it; --delete would read that as "the demo
# was removed" and take down the one being served. Exclude what was not built.
demo_flag=""
[ -d "$www/demo" ] || { demo_flag="--exclude=/demo"; \
    echo "publish: no demo in this build -- leaving the served one in place"; }

rsync -a --delete --exclude '/arch' $demo_flag --chown=root:root "$www/" "$DEST/"
echo "publish: https://slosh.foo is current"