add missing index.write() and remove extras

Author: dabutvin

.gitignore

@@ -1 +1,2 @@
 node_modules
+package-lock.json

.vscode/launch.json

@@ -16,24 +16,25 @@ npm install pgp-commit
 See more examples in examples folder
 
 ```js
-const git = require('nodegit')
-const pgpCommit = require('pgp-commit')
+const git = require("nodegit")
+const pgpCommit = require("pgp-commit")
 
 run()
 
 async function run() {
   // clone a repo
-  const repo = await git.Clone('https://github.com/owner/repo', '/temp/repo')
-  const commitMessage = 'add data to something'
-  const author = git.Signature.now('test', '[email protected]')
-  const committer = git.Signature.now('test', '[email protected]')
+  const repo = await git.Clone("https://github.com/owner/repo", "/temp/repo")
+  const commitMessage = "add data to something"
+  const author = git.Signature.now("test", "[email protected]")
+  const committer = git.Signature.now("test", "[email protected]")
 
   // make a change
-  fs.writeFileSync('/temp/repo/nothing', 'nothing')
+  fs.writeFileSync("/temp/repo/nothing", "nothing")
 
   // stage the change
   const index = await repo.refreshIndex()
   await index.addAll()
+  await index.write()
 
   // make a signed commit
   const commitId = await pgpCommit({

README.md

@@ -18,6 +18,7 @@ async function run() {
   // add to the stage
   const index = await repo.refreshIndex()
   await index.addAll()
+  await index.write()
 
   // do the signed commit in place
   const commitId = await pgpCommit({
@@ -33,6 +34,7 @@ async function run() {
 
 run()
 
+// never check in a real private key
 const sample_private_key = `-----BEGIN PGP PRIVATE KEY BLOCK-----
 Version: BCPG C# v1.6.1.0
 
@@ -65,4 +67,5 @@ s0IzD2i+KIfn2dH5wDqs0pPbvhJIWp/i3u4Q+kL4DxdNoqXog8+82qr5b6Is
 =rqAt
 -----END PGP PRIVATE KEY BLOCK-----`
 
-const sample_password = 'testpassword'
+// never check in a real password
+const sample_password = 'testpassword'