2.0

.github/workflows/build.yml

@@ -0,0 +1,35 @@
+name: Node CI
+
+# Push tests commits; pull_request tests PR merges
+on: [push, pull_request]
+
+jobs:
+
+  # Test the build
+  build:
+    # Setup
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x]
+
+  # Go
+    steps:
+    - name: Check out repo
+      uses: actions/checkout@v1
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+
+    - name: Versions
+      run: node --version
+
+    - name: Install
+      run: npm install
+
+    - name: Test
+      run: npm test
+      env:
+        CI: true

.npmignore

@@ -0,0 +1,4 @@
+.eslintrc.js
+.github
+.travis.yml
+test

index.js

@@ -1,6 +1,6 @@
-var path = require('path')
-var tar = require('tar-fs')
-var fs = require('fs')
+let {join} = require('path')
+let tar = require('tar-fs')
+let read = require('fs').createReadStream
 
 /**
  * Installs git binaries and updates this process's PATH to include
@@ -15,41 +15,50 @@ var fs = require('fs')
  * instead including `binPath` (the path to the binaries folder) and `env`,
  * a set of required environmental variables.
  */
-module.exports = function installGit(options) {
-  return new Promise((resolve) => {
-    options = options || {}
+module.exports = function installGit(options={}, callback) {
+  let {
+    targetDirectory='/tmp/git',
+    updateEnv=true
+  } = options
 
-    var targetDirectory = options.targetDirectory || '/tmp/git'
-    var updateEnv = (options.updateEnv !== undefined) ? options.updateEnv : true
+  let promise
+  if (!callback) {
+    promise = new Promise((resolve, reject) => {
+      callback = (err, result) => {
+        err ? reject(err) : resolve(result)
+      }
+    })
+  }
 
-    var reader = fs.createReadStream(path.join(__dirname, 'git-2.4.3.tar'))
-    reader.pipe(tar.extract(targetDirectory))
-    reader.on('end', done)
+  let reader = read(join(__dirname, 'git-2.4.3.tar'))
+  reader.pipe(tar.extract(targetDirectory, {finish: done}))
+  reader.on('error', err => callback(err))
 
-    var GIT_TEMPLATE_DIR = path.join(targetDirectory, 'usr/share/git-core/templates')
-    var GIT_EXEC_PATH = path.join(targetDirectory, 'usr/libexec/git-core')
-    var LD_LIBRARY_PATH = path.join(targetDirectory, 'usr/lib64')
-    var binPath = path.join(targetDirectory, 'usr/bin')
+  let GIT_TEMPLATE_DIR = join(targetDirectory, 'usr/share/git-core/templates')
+  let GIT_EXEC_PATH =    join(targetDirectory, 'usr/libexec/git-core')
+  let LD_LIBRARY_PATH =  join(targetDirectory, 'usr/lib64')
+  let binPath =          join(targetDirectory, 'usr/bin')
 
-    function done() {
-      if (updateEnv) {
-        process.env.PATH = process.env.PATH + ":" + binPath
-        process.env.GIT_TEMPLATE_DIR = GIT_TEMPLATE_DIR
-        process.env.GIT_EXEC_PATH = GIT_EXEC_PATH
-        process.env.LD_LIBRARY_PATH = process.env.LD_LIBRARY_PATH
-          ? process.env.LD_LIBRARY_PATH + ":" + LD_LIBRARY_PATH
-          : LD_LIBRARY_PATH
-        resolve()
-      } else {
-        resolve({
-          binPath: binPath,
-          env: {
-            GIT_TEMPLATE_DIR: GIT_TEMPLATE_DIR,
-            GIT_EXEC_PATH: GIT_EXEC_PATH,
-            LD_LIBRARY_PATH: LD_LIBRARY_PATH
-          }
-        })
-      }
+  function done() {
+    if (updateEnv) {
+      process.env.PATH = process.env.PATH + ":" + binPath
+      process.env.GIT_TEMPLATE_DIR = GIT_TEMPLATE_DIR
+      process.env.GIT_EXEC_PATH = GIT_EXEC_PATH
+      process.env.LD_LIBRARY_PATH = process.env.LD_LIBRARY_PATH
+        ? process.env.LD_LIBRARY_PATH + ":" + LD_LIBRARY_PATH
+        : LD_LIBRARY_PATH
+      callback()
+    } else {
+      callback(null, {
+        binPath: binPath,
+        env: {
+          GIT_TEMPLATE_DIR: GIT_TEMPLATE_DIR,
+          GIT_EXEC_PATH: GIT_EXEC_PATH,
+          LD_LIBRARY_PATH: LD_LIBRARY_PATH
+        }
+      })
     }
-  })
+  }
+
+  return promise
 }