update authors script

Author: Nick Balestra

bin/update-authors.sh

@@ -0,0 +1,19 @@
+#!/bin/sh
+# Update AUTHORS.md based on git history.
+
+git log --reverse --format='%aN (%aE)' | perl -we '
+BEGIN {
+  %seen = (), @authors = ();
+}
+while (<>) {
+  next if $seen{$_};
+  next if /(support\@greenkeeper.io)/;
+  $seen{$_} = push @authors, "- ", $_;
+}
+END {
+  print "# Authors\n\n";
+  print "#### Ordered by first contribution.\n\n";
+  print @authors, "\n";
+  print "#### Generated by bin/update-authors.sh.\n";
+}
+' > AUTHORS.md

package.json

@@ -4,6 +4,7 @@
   "description": "Create Cycle.js apps with zero configuration.",
   "private": true,
   "scripts": {
+    "update-authors": "./bin/update-authors.sh",
     "precommit": "standard && npm run test",
     "postinstall": "lerna bootstrap",
     "test": "lerna run test",