1st version of install-onlyoffice.sh

https://github.com/cryptpad/cryptpad/issues/1416

install-onlyoffice.sh

@@ -0,0 +1,120 @@
+#!/usr/bin/env bash
+
+set -euxo pipefail
+
+SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
+BUILDS_DIR=$SCRIPT_DIR/onlyoffice-builds.git
+OO_DIR=$SCRIPT_DIR/www/common/onlyoffice
+
+main () {
+	parse_arguments "$@"
+	validate_arguments
+	prepare_builds
+	install_version v1 4f370beb
+	install_version v2b d9da72fd
+	install_version v4 6ebc6938
+	install_version v5 88a356f0
+	install_version v6 abd8a309
+	install_version v7 9d8b914a
+
+	if [ ${CLEAR+x} ]; then
+		rm -rf "$BUILDS_DIR"
+	fi
+
+	if [ ${MAKE_LINKS+x} ]; then
+		rdfind -makehardlinks true -makeresultsfile false $OO_DIR/v*
+	fi
+}
+
+parse_arguments () {
+	while [[ $# -gt 0 ]]; do
+		case $1 in
+			-h|--help)
+				show_help
+				shift
+				;;
+			-c|--clear)
+				CLEAR="1"
+				shift
+				;;
+			-l|--make-links)
+				MAKE_LINKS="1"
+				shift
+				;;
+			*)
+				show_help
+				shift
+				;;
+		esac
+	done 
+}
+
+validate_arguments () {
+	if [ ${MAKE_LINKS+x} ]; then
+		if [ -z ${CLEAR+x} ]; then
+			echo "--make-links has to be combined with --clear"
+			exit 1
+		fi
+
+		if ! command -v rdfind &> /dev/null; then
+			echo "rdfind has to be installed for --make-links"
+			exit 1
+		fi
+	fi
+}
+
+show_help () {
+	cat << EOF
+install-onlyoffice installs or upgrades OnlyOffice.
+
+OPTIONS:
+    -h, --help
+            Show this help.
+
+    -c, --clear
+            Safe ~300MB of disk space. However, the next run of
+            install-onlyoffice will have to download OnlyOffice again.
+
+    -l, --make-links
+            This argument has to be combined with --clear. It will
+            replace duplicate files with hard links. This will save
+            another ~650MB. The command rdfind has to be installed.
+EOF
+	exit 1
+}
+
+prepare_builds () {
+	if [ -d "$BUILDS_DIR" ]; then
+		cd "$BUILDS_DIR"
+		git fetch
+		cd -
+	else
+		git clone --bare git@github.com:cryptpad/onlyoffice-builds.git "$BUILDS_DIR"  # TODO use https here, when repo is public
+	fi
+}
+
+install_version () {
+	local DIR=$1
+	local COMMIT=$2
+	local FULL_DIR=$OO_DIR/$DIR
+
+	if [ ! -e "$FULL_DIR"/.git ]; then
+		rm -rf "$FULL_DIR"
+	fi
+	
+	if [ -d "$FULL_DIR" ]; then
+		cd "$FULL_DIR"
+		git checkout "$COMMIT"
+		cd -
+	else
+		cd "$BUILDS_DIR"
+		git worktree add "$FULL_DIR" "$COMMIT"
+		cd -
+	fi
+
+	if [ ${CLEAR+x} ]; then
+		rm "$FULL_DIR"/.git
+	fi
+}
+
+main "$@"