vastly simplify node.bash

[webi-installers/.git] / node / node.bash

diff --git a/node/node.bash b/node/node.bash
index 0487cafd0506eb1ab4064e63995d08df7338a492..13d379d0be1e28cfbfdf666ecabdb920ecb9d794 100644 (file)
--- a/node/node.bash
+++ b/node/node.bash
@@ -1,8 +1,130 @@
 #!/bin/bash
 
+# title: Node.js
+# homepage: https://nodejs.org
+# tagline: JavaScript V8 runtime
+# description: |
+#   Node.js® is a JavaScript runtime built on Chrome's V8 JavaScript engine
+# examples: |
+#   ```bash
+#   node -e 'console.log("Hello, World!")'
+#   > Hello, World!
+#   ```
+#   <br/>
+#   <br/>
+#   
+#   <table>
+#   <tr>
+#   <td>Run a webserver</td>
+#   <td><pre><code class="language-bash">
+#   mkdir my-server
+#   pushd my-server
+#   npm init
+#   npm install --save express</code></pre>
+#   <br/>
+#   <code>app.js:</code>
+#   <br/>
+#   <pre><code class="language-javascript">'use strict'
+#   var express = require('express');
+#   var app = express();
+#   
+#   app.use('/', function (req, res, next) {
+#     res.end("Hello, World!");
+#   });
+#   
+#   module.exports = app;</code></pre>
+#   <br/>
+#   <code>server.js:</code>
+#   <br/>
+#   <pre><code class="language-javascript">'use strict'
+#   var http = require('http');
+#   var app = require('./app.js');
+#   http.createServer(app).listen(8080, function () {
+#     console.log('Listening on', this.address());
+#   });</code></pre>
+#   <br/>
+#   <pre><code class="language-bash">npm start</code></pre>
+#   </td>
+#   </tr>
+#   </table>
+
 set -e
 set -u
 
-curl -fsSL https://git.coolaj86.com/coolaj86/node-installer.sh/raw/branch/master/install.sh -o node-webinstall.sh
-bash node-webinstall.sh
-rm node-webinstall.sh
+my_tmp=${WEBI_TMP:-$(mktemp -d node-install.XXXXXX)}
+sudo_cmd=${WEBI_SUDO:-}
+
+http_get() {
+  if [ -n "$(command -v curl 2>/dev/null | grep curl)" ]; then
+    curl -fsSL $1 -o $2 || echo 'error downloading node'
+  elif [ -n "$(command -v wget 2>/dev/null | grep wget)" ]; then
+    wget --quiet $1 -O $2 || echo 'error downloading node'
+  else
+    echo "'wget' and 'curl' are missing. Please run the following command and try again"
+    echo ""
+    echo "    sudo apt-get install --yes curl wget"
+    exit 1
+  fi
+}
+
+WEBI_TAB=$(curl -fsSL "https://webinstall.dev/api/releases/node@${WEBI_VERSION:-}.csv?os=$(uname -s)&arch=$(uname -m)&ext=tar&limit=1" -H "User-Agent: $(uname -a)")
+NODEJS_VER=$(echo $WEBI_TAB | cut -d ',' -f 1)
+NODEJS_REMOTE=$(echo $WEBI_TAB | cut -d ',' -f 9)
+NODEJS_LOCAL="$my_tmp/$(echo $NODEJS_REMOTE | sed s:.*/::)"
+NODE_OS="$(echo $WEBI_TAB | cut -d ',' -f 5)"
+
+#########
+# BEGIN #
+#########
+
+# WEBI_ARCH uses only slightly different names from NODE_ARCH
+NODE_ARCH="$(echo $WEBI_TAB | cut -d ',' -f 6)"
+if [ "amd64" == "$NODE_ARCH" ]; then
+  NODE_ARCH="x64"
+fi
+
+node_install_path=$HOME/.local/opt/node-v${NODEJS_VER}
+mkdir -p $node_install_path
+
+if [ -e "$node_install_path/bin/node" ]; then
+  # node of some version is already installed
+  if [ "v${NODEJS_VER}" == "$($node_install_path/bin/node -v 2>/dev/null)" ]; then
+    echo node ${NODEJS_VER} already installed at $node_install_path
+    exit 0
+  fi
+fi
+
+# TODO warn if existing node in path my take precedence
+
+echo "downloading node v${NODEJS_VER}..."
+http_get ${NODEJS_REMOTE} ${NODEJS_LOCAL} || echo 'error downloading node'
+
+echo "installing node v${NODEJS_VER}..."
+tar xf ${NODEJS_LOCAL} -C $my_tmp/
+# we know how it'll unpack
+NODEJS_UNTAR=$my_tmp/node-v${NODEJS_VER}-${NODE_OS}-${NODE_ARCH}
+
+# this funny business is to allow something a non-/opt directory
+# ( such as /usr/local ) to be an install target
+rm ${NODEJS_UNTAR}/{LICENSE,CHANGELOG.md,README.md}
+if [ -n "$(command -v rsync 2>/dev/null | grep rsync)" ]; then
+  echo $sudo_cmd rsync -Krl "${NODEJS_UNTAR}/" "$node_install_path/"
+  rsync -Krl "${NODEJS_UNTAR}/" "$node_install_path/" 2>/dev/null || $sudo_cmd rsync -Krl "${NODEJS_UNTAR}/" "$node_install_path/"
+else
+  # due to symlink issues on Arch Linux, don't copy the share directory
+  rm -rf ${NODEJS_UNTAR}/share
+  echo $sudo_cmd cp -Hr "${NODEJS_UNTAR}/*" "$node_install_path/"
+  cp -Hr "${NODEJS_UNTAR}"/* "$node_install_path/" 2>/dev/null || $sudo_cmd cp -Hr "${NODEJS_UNTAR}"/* "$node_install_path/"
+fi
+rm -rf "${NODEJS_UNTAR}"
+rm -rf "${my_tmp}"
+
+# By default, npm is stupid and uses any version of node in any path. Stop that.
+# npm config set scripts-prepend-node-path true
+"$node_install_path"/bin/node "$node_install_path"/bin/npm --scripts-prepend-node-path=true config set scripts-prepend-node-path true
+
+#######
+# END #
+#######
+
+pathman add $node_install_path/bin