Merge pull request #87 from davestephens/master

First stab at an ENiGMA installer

misc/install.sh

@@ -0,0 +1,117 @@
+#!/usr/bin/env bash
+
+{ # this ensures the entire script is downloaded before execution
+
+ENIGMA_NODE_VERSION=${ENIGMA_NODE_VERSION:=4.4}
+ENIGMA_INSTALL_DIR=${ENIGMA_INSTALL_DIR:=$HOME/enigma-bbs}
+ENIGMA_SOURCE=${ENIGMA_SOURCE:=https://github.com/NuSkooler/enigma-bbs.git}
+TIME_FORMAT=`date "+%Y-%m-%d %H:%M:%S"`
+WAIT_BEFORE_INSTALL=10
+
+enigma_header() {
+    clear
+    cat << EndOfMessage
+                                                                     ______
+_____________________   _____  ____________________    __________\\_   /
+\\__   ____/\\_ ____   \\ /____/ /   _____ __         \\  /   ______/ // /___jp!
+ //   __|___//   |    \\//   |//   |    \\//  |  |    \\//        \\ /___   /_____
+/____       _____|      __________       ___|__|      ____|     \\   /  _____  \\
+---- \\______\\ -- |______\\ ------ /______/ ---- |______\\ - |______\\ /__/ // ___/
+                                                                       /__   _\\
+       <*> ENiGMA½ // https://github.com/NuSkooler/enigma-bbs <*>        /__/
+
+ENiGMA½ will be installed to ${ENIGMA_INSTALL_DIR}, from source ${ENIGMA_SOURCE}.
+
+ENiGMA½ requires Node, v${ENIGMA_NODE_VERSION} will be installed via nvm. If you already have nvm installed, this install script will update it to the latest version.
+
+If this isn't what you were expecting, hit ctrl-c now. Installation will continue in ${WAIT_BEFORE_INSTALL} seconds...
+
+EndOfMessage
+    sleep ${WAIT_BEFORE_INSTALL}
+}
+
+enigma_install_needs() {
+    command -v $1 >/dev/null 2>&1 || { log_error "ENiGMA½ requires $1 but it's not installed. Please install it and restart the installer."; exit 1; }
+}
+
+log()  {
+    printf "${TIME_FORMAT} %b\n" "$*";
+}
+
+log_error() {
+    printf  "${TIME_FORMAT} \e[41mERROR:\033[0m %b\n" "$*" >&2;
+}
+
+enigma_install_init() {
+    log "Checking git installation"
+    enigma_install_needs git
+
+    log "Checking curl installation"
+    enigma_install_needs curl
+}
+
+install_nvm() {
+    log "Installing nvm"
+    curl -o- https://raw.githubusercontent.com/creationix/nvm/master/install.sh | bash
+}
+
+configure_nvm() {
+    log "Installing Node ${ENIGMA_NODE_VERSION} via nvm"
+    . ~/.nvm/nvm.sh
+    nvm install ${ENIGMA_NODE_VERSION}
+    nvm use ${ENIGMA_NODE_VERSION}
+}
+
+download_enigma_source() {
+  local INSTALL_DIR
+  INSTALL_DIR=${ENIGMA_INSTALL_DIR}
+
+  if [ -d "$INSTALL_DIR/.git" ]; then
+    log "ENiGMA½ is already installed in $INSTALL_DIR, trying to update using git"
+    command git --git-dir="$INSTALL_DIR"/.git --work-tree="$INSTALL_DIR" fetch 2> /dev/null || {
+      log_error "Failed to update ENiGMA½, run 'git fetch' in $INSTALL_DIR yourself."
+      exit 1
+    }
+  else
+    log "Downloading ENiGMA½ from git to '$INSTALL_DIR'"
+    mkdir -p "$INSTALL_DIR"
+    command git clone ${ENIGMA_SOURCE} "$INSTALL_DIR" || {
+      log_error "Failed to clone ENiGMA½ repo. Please report this!"
+      exit 1
+    }
+  fi
+}
+
+install_node_packages() {
+    log "Installing required Node packages"
+    cd ${ENIGMA_INSTALL_DIR}
+    npm install
+    if [ $? -eq 0 ]; then
+      log "npm package installation complete"
+    else
+      log_error "Failed to install ENiGMA½ npm packages. Please report this!"
+    fi
+}
+
+enigma_footer() {
+    log "ENiGMA½ installation complete!"
+    echo -e "\e[33m"
+    cat << EndOfMessage
+If this is the first time you've installed ENiGMA½, you now need to generate a minimal configuration. To do so, run the following commands:
+
+cd ${ENIGMA_INSTALL_DIR}
+./oputil.js config --new
+
+EndOfMessage
+    echo -e "\e[39m"
+}
+
+enigma_header
+enigma_install_init
+install_nvm
+configure_nvm
+download_enigma_source
+install_node_packages
+enigma_footer
+
+} # this ensures the entire script is downloaded before execution