Add script used to build and update website

_build/update_txpreview.sh

@@ -0,0 +1,119 @@
+#!/bin/bash
+
+# This file is licensed under the MIT License (MIT) available on
+# http://opensource.org/licenses/MIT.
+
+PATH=/usr/sbin:/usr/bin:/sbin:/bin:/usr/local/bin
+
+# Set variables and create temporary directories
+LANGS=('ar' 'bg' 'bn' 'ca' 'cs' 'da' 'de' 'el' 'es' 'fa' 'fr' 'hi' 'hr' 'hu' 'id' 'it' 'ja' 'ko' 'lv' 'ml' 'nl' 'no' 'pl' 'pt_BR' 'ro' 'ru' 'sl' 'sr' 'sv' 'tr' 'uk' 'zh_CN' 'zh_TW')
+WORKDIR=`mktemp -d`
+LIVEDIR=`mktemp -d`
+SITEDIR='/bitcoin.org/txpreview'
+DESTDIR='/var/www/txpreview'
+
+# Stop script in case a single command fails
+set -e
+
+# Cleanup on EXIT (even when a command fails)
+trap "rm -rf $WORKDIR $LIVEDIR; kill 0; exit 1;" EXIT
+trap "rm -rf $WORKDIR $LIVEDIR; kill 0;" SIGINT
+
+if [[ ! -d $SITEDIR/site || ! -d $SITEDIR/tx ]]; then
+	echo 'Working folders missing'
+	exit
+fi
+
+# Update translations
+cd $SITEDIR/tx/
+tx pull -a -s --skip
+
+# Return if all updated languages were previously processed
+update=false
+for la in "${LANGS[@]}"
+do
+	checksum=`sha256sum $SITEDIR/tx/translations/bitcoinorg.bitcoinorg/$la.yml`
+	checksum=(${checksum//" "/ })
+	checksum=${checksum[@]:0:1}
+	checksum=${checksum:0:10}
+	if [[ -e $SITEDIR/site/_$checksum ]]; then
+		continue
+	fi
+	update=true
+done
+if [[ $update == false ]]; then
+	exit
+fi
+
+# Update git repository
+cd $SITEDIR/site
+git fetch -a
+git reset --hard origin/master
+git clean -x -f -d
+
+# Copy files to temporary directory
+rsync -rt --delete "$SITEDIR/site/" "$WORKDIR/"
+
+# Get last modification time for _buildlock
+touch "$SITEDIR/site/_buildlock"
+lasttime=`stat -c %Y "$SITEDIR/site/_buildlock" | cut -d ' ' -f1`
+
+# Create new checksum files
+for la in "${LANGS[@]}"
+do
+	checksum=`sha256sum $SITEDIR/tx/translations/bitcoinorg.bitcoinorg/$la.yml`
+	checksum=(${checksum//" "/ })
+	checksum=${checksum[@]:0:1}
+	checksum=${checksum:0:10}
+	touch $SITEDIR/site/_$checksum
+done
+
+# Update languages and generate diff files
+cd $WORKDIR
+linecounten=`cat $SITEDIR/tx/translations/bitcoinorg.bitcoinorg/en.yml | grep -o '^ \+[a-z0-9]\+:' | wc -l`
+echo '<h1>Needs updating</h1>' > $WORKDIR/diff.html
+for la in "${LANGS[@]}"
+do
+	rsync -a $SITEDIR/tx/translations/bitcoinorg.bitcoinorg/$la.yml $WORKDIR/_translations/$la.yml
+	ruby $WORKDIR/_contrib/updatetx.rb $la
+	ruby $SITEDIR/addlang.rb $la
+	if [[ ! -e $WORKDIR/$la ]]; then
+		mkdir $WORKDIR/$la
+	fi
+	git diff --color-words master -- _translations/$la.yml | $SITEDIR/ansi2html > $WORKDIR/$la/diff.html
+	diff=`git diff master -- _translations/$la.yml`
+	linecount=`cat _translations/$la.yml | grep -o '^ \+[a-z0-9]\+:' | wc -l`
+	if [[ $diff != '' && $linecount == $linecounten ]]; then
+		echo "<a href=\"$la/diff.html\">$la</a><br>" >> $WORKDIR/diff.html
+	fi
+done
+
+# Build website in a child process
+(
+cd $WORKDIR
+ENABLED_PLUGINS='alerts redirects releases' JEKYLL_COMMAND='jekyll' make all
+touch "$WORKDIR/_builddone"
+)&
+
+# Loop every 1 second to check status
+while true
+do
+
+	# Update site and exit if site has been successfully built
+	if [ -e "$WORKDIR/_builddone" ]; then
+		cd $LIVEDIR
+		rsync --delete -zrt --exclude '/.git' $WORKDIR/_site/ $DESTDIR/
+		exit
+	fi
+
+	# Cancel script if a concurrent script has touched _buildlock
+	time=0
+	if [ -e "$SITEDIR/site/_buildlock" ]; then
+		time=`stat -c %Y "$SITEDIR/site/_buildlock" | cut -d ' ' -f1`
+	fi
+	if [ $time != $lasttime ]; then
+		exit
+	fi
+	sleep 1
+
+done