Introduce a tiddlywiki.org edition

Using its own build script so that we can push it to https://github.com/TiddlyWiki/tiddlywiki.org-gh-pages

bin/build-tw-org.sh

@@ -0,0 +1,97 @@
+#!/bin/bash
+
+# Build tiddlywiki.org assets
+
+# Default to the version of TiddlyWiki installed in this repo
+
+if [  -z "$TWORG_BUILD_TIDDLYWIKI" ]; then
+    TWORG_BUILD_TIDDLYWIKI=./tiddlywiki.js
+fi
+
+echo "Using TWORG_BUILD_TIDDLYWIKI as [$TWORG_BUILD_TIDDLYWIKI]"
+
+# Set up the build details
+
+if [  -z "$TWORG_BUILD_DETAILS" ]; then
+    TWORG_BUILD_DETAILS="$(git symbolic-ref --short HEAD)-$(git rev-parse HEAD) from $(git remote get-url origin)"
+fi
+
+echo "Using TWORG_BUILD_DETAILS as [$TWORG_BUILD_DETAILS]"
+
+if [  -z "$TWORG_BUILD_COMMIT" ]; then
+	TWORG_BUILD_COMMIT="$(git rev-parse HEAD)"
+fi
+
+echo "Using TWORG_BUILD_COMMIT as [$TWORG_BUILD_COMMIT]"
+
+# Set up the build output directory
+
+if [  -z "$TWORG_BUILD_OUTPUT" ]; then
+    TWORG_BUILD_OUTPUT=$(mktemp -d)
+fi
+
+mkdir -p $TWORG_BUILD_OUTPUT
+
+if [  ! -d "$TWORG_BUILD_OUTPUT" ]; then
+    echo 'A valid TWORG_BUILD_OUTPUT environment variable must be set'
+    exit 1
+fi
+
+echo "Using TWORG_BUILD_OUTPUT as [$TWORG_BUILD_OUTPUT]"
+
+# Pull existing GitHub pages content
+
+git clone --depth=1 --branch=master "https://github.com/TiddlyWiki/tiddlywiki.org-gh-pages.git" output
+
+# Make the CNAME file that GitHub Pages requires
+
+echo "tiddlywiki.org" > $TWORG_BUILD_OUTPUT/CNAME
+
+# Delete any existing static content
+
+mkdir -p $TWORG_BUILD_OUTPUT/static
+rm $TWORG_BUILD_OUTPUT/static/*
+
+# Put the build details into a .tid file so that it can be included in each build (deleted at the end of this script)
+
+echo -e -n "title: $:/build\ncommit: $TWORG_BUILD_COMMIT\n\n$TWORG_BUILD_DETAILS\n" > $TWORG_BUILD_OUTPUT/build.tid
+
+######################################################
+#
+# tiddlywiki.org distribution
+#
+######################################################
+
+# /index.html			Main site
+# /favicon.ico			Favicon for main site
+# /static.html			Static rendering of default tiddlers
+# /alltiddlers.html		Static rendering of all tiddlers
+# /static/*				Static single tiddlers
+# /static/static.css	Static stylesheet
+# /static/favicon.ico	Favicon for static pages
+node $TWORG_BUILD_TIDDLYWIKI \
+	editions/tw.org \
+	--verbose \
+	--version \
+	--load $TWORG_BUILD_OUTPUT/build.tid \
+	--output $TWORG_BUILD_OUTPUT \
+	--build favicon static index \
+	|| exit 1
+
+# Delete the temporary build tiddler
+
+rm $TWORG_BUILD_OUTPUT/build.tid || exit 1
+
+# Push output back to GitHub
+
+# Exit script immediately if any command fails
+set -e
+
+cd output
+git config --global user.email "actions@github.com"
+git config --global user.name "GitHub Actions"
+git add -A .
+git commit --message "GitHub build: $GITHUB_RUN_NUMBER of $TW5_BUILD_BRANCH ($(date +'%F %T %Z'))"
+git remote add deploy "https://$GH_TOKEN@github.com/TiddlyWiki/tiddlywiki.org-gh-pages.git" &>/dev/null
+git push deploy master &>/dev/null
+cd ..