Added git-gh-oauth: script to manage oauth keys for github

bin/git-gh-oauth

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+user=`git config github.user`
+test -z "$user" && echo "failed to fetch github.user" 1>&2 && exit 1
+oauthToken=`git config github.oauthToken`
+if [ -z $oauthToken ] ; then
+  echo "Github oAuth token not found. Creating a new one."
+  stty_orig=`stty -g`
+  stty -echo
+  printf "Github password:"
+  read passwd
+  stty $stty_orig
+  url="https://api.github.com/authorizations"
+  oauthToken=$(curl -# -u "$user:$passwd" $url -d '{"scopes": ["repo", "user", "gist"]}' | jshon -e token | sed -e 's/"//g')
+  git config --global github.oauthToken $oauthToken
+fi
+echo $oauthToken