Pending TODO Script Checker in Codebase (#540)

* TODO script

* Add todo to Travis

* Remove blame from todo check

* Print failing todo comments

* Fail on failure

* Fix todo checker

* Don't install godeps

* *actually* don't install godeps

.travis.yml

@@ -10,6 +10,12 @@ matrix:
       script:
         - 
           go get github.com/alecthomas/gometalinter && gometalinter --install && gometalinter ./... --deadline=10m --exclude=client/internal/client_helper.go
+    - os: linux
+      env: 
+        - todos
+      install: true # Skip installing go packages
+      script:
+          - ./scripts/check-todo.sh
     - os: linux
       env:
         - coverage

scripts/check-todo.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+
+# Continuous integration script to check that TODOs are in the correct format
+OUTPUT="$(grep -PrinH '(?<!context\.)todo(?!\(#{0,1}\d+\))' --include \*.go *)";
+if [ "$OUTPUT" != "" ] ;
+then 
+    echo "Invalid TODOs found. Failing." >&2;
+    echo "$OUTPUT" >&2;
+    exit 1;
+fi