set -eu
+PEERTUBE_PATH=${1:-/var/www/peertube}
+
+if [ ! -e "$PEERTUBE_PATH" ]; then
+ echo "Error - path \"$PEERTUBE_PATH\" wasn't found"
+ echo ""
+ echo "If peertube was installed in another path, you can specify it with"
+ echo " ./upgrade.sh <PATH>"
+ exit 1
+fi
+
+if [ ! -e "$PEERTUBE_PATH/versions" -o ! -e "$PEERTUBE_PATH/config/production.yaml" ]; then
+ echo "Error - Couldn't find peertube installation in \"$PEERTUBE_PATH\""
+ echo ""
+ echo "If peertube was installed in another path, you can specify it with"
+ echo " ./upgrade.sh <PATH>"
+ exit 1
+fi
+
+if [ -x "$(command -v awk)" ] && [ -x "$(command -v sed)" ] ; then
+ REMAINING=$(df -k $PEERTUBE_PATH | awk '{ print $4}' | sed -n 2p)
+ ONE_GB=$((1024 * 1024))
+ if [ "$REMAINING" -lt "$ONE_GB" ]; then
+ echo "Error - not enough free space for upgrading"
+ echo ""
+ echo "Make sure you have at least 1 GB of free space in $PEERTUBE_PATH"
+ exit 1
+ fi
+fi
+
# Backup database
-SQL_BACKUP_PATH="/var/www/peertube/backup/sql-peertube_prod-$(date +"%Y%m%d-%H%M").bak"
-mkdir -p /var/www/peertube/backup
-pg_dump -U peertube -W -h localhost -F c peertube_prod -f "$SQL_BACKUP_PATH"
-
-# Get and Display the Latest Version
-VERSION=$(curl -s https://api.github.com/repos/chocobozzz/peertube/releases/latest | grep tag_name | cut -d '"' -f 4)
-echo "Latest Peertube version is $VERSION"
-wget -q "https://github.com/Chocobozzz/PeerTube/releases/download/${VERSION}/peertube-${VERSION}.zip" -O "/var/www/peertube/versions/peertube-${VERSION}.zip"
-cd /var/www/peertube/versions
+if [ -x "$(command -v pg_dump)" ]
+then
+ SQL_BACKUP_PATH="$PEERTUBE_PATH/backup/sql-peertube_prod-$(date +"%Y%m%d-%H%M").bak"
+ DB_USER=$(node -e "console.log(require('js-yaml').load(fs.readFileSync('$PEERTUBE_PATH/config/production.yaml', 'utf8'))['database']['username'])")
+ DB_PASS=$(node -e "console.log(require('js-yaml').load(fs.readFileSync('$PEERTUBE_PATH/config/production.yaml', 'utf8'))['database']['password'])")
+ DB_HOST=$(node -e "console.log(require('js-yaml').load(fs.readFileSync('$PEERTUBE_PATH/config/production.yaml', 'utf8'))['database']['hostname'])")
+ DB_SUFFIX=$(node -e "console.log(require('js-yaml').load(fs.readFileSync('$PEERTUBE_PATH/config/production.yaml', 'utf8'))['database']['suffix'])")
+ DB_NAME=$(node -e "console.log(require('js-yaml').load(fs.readFileSync('$PEERTUBE_PATH/config/production.yaml', 'utf8'))['database']['name'] || '')")
+ mkdir -p $PEERTUBE_PATH/backup
+ PGPASSWORD=$DB_PASS pg_dump -U $DB_USER -h $DB_HOST -F c "${DB_NAME:-peertube${DB_SUFFIX}}" -f "$SQL_BACKUP_PATH"
+else
+ echo "pg_dump not found. Cannot make a SQL backup!"
+fi
+
+# If there is a pre-release, give the user a choice which one to install.
+RELEASE_VERSION=$(curl -s https://api.github.com/repos/chocobozzz/peertube/releases/latest | grep tag_name | cut -d '"' -f 4)
+PRE_RELEASE_VERSION=$(curl -s https://api.github.com/repos/chocobozzz/peertube/releases | grep tag_name | head -1 | cut -d '"' -f 4)
+
+if [ "$RELEASE_VERSION" != "$PRE_RELEASE_VERSION" ]; then
+ echo -e "Which version do you want to install?\n[1] $RELEASE_VERSION (stable) \n[2] $PRE_RELEASE_VERSION (pre-release)"
+ read choice
+ case $choice in
+ [1]* ) VERSION="$RELEASE_VERSION";;
+ [2]* ) VERSION="$PRE_RELEASE_VERSION";;
+ * ) exit;
+ esac
+else
+ VERSION="$RELEASE_VERSION"
+fi
+
+echo "Installing Peertube version $VERSION"
+wget -q "https://github.com/Chocobozzz/PeerTube/releases/download/${VERSION}/peertube-${VERSION}.zip" -O "$PEERTUBE_PATH/versions/peertube-${VERSION}.zip"
+cd $PEERTUBE_PATH/versions
unzip -o "peertube-${VERSION}.zip"
rm -f "peertube-${VERSION}.zip"
# Upgrade Scripts
-rm -rf /var/www/peertube/peertube-latest
-ln -s "/var/www/peertube/versions/peertube-${VERSION}" /var/www/peertube/peertube-latest
-cd /var/www/peertube/peertube-latest
-yarn install --production --pure-lockfile
-cp /var/www/peertube/peertube-latest/config/default.yaml /var/www/peertube/config/default.yaml
+rm -rf $PEERTUBE_PATH/peertube-latest
+ln -s "$PEERTUBE_PATH/versions/peertube-${VERSION}" $PEERTUBE_PATH/peertube-latest
+cd $PEERTUBE_PATH/peertube-latest
+NOCLIENT=1 yarn install --production --pure-lockfile
+cp $PEERTUBE_PATH/peertube-latest/config/default.yaml $PEERTUBE_PATH/config/default.yaml
echo "Differences in configuration files..."
-diff "/var/www/peertube/versions/peertube-${VERSION}/config/production.yaml.example" /var/www/peertube/config/production.yaml
+diff -u $PEERTUBE_PATH/config/production.yaml "$PEERTUBE_PATH/versions/peertube-${VERSION}/config/production.yaml.example"
+echo ""
+echo "==========================================="
+echo "== Don’t forget to restart PeerTube! =="
+echo "==========================================="