refactor: combine bin directories

bin/git-opr

@@ -0,0 +1,26 @@
+#!/bin/bash
+
+set -e
+
+ensure_is_published() {
+  [[ ! $is_published ]] && git publish
+}
+
+is_published() {
+  echo $(git upstream)
+}
+
+open_or_build_pull_request() {
+  type gh &>/dev/null
+
+  if [ $? -ne 0 ]; then
+    echo "Error: gh command not found."
+    exit 1
+  fi
+
+  # Load an existing PR, or create a new one.
+  gh pr view --web || gh pr create --assignee opdavies --web
+}
+
+ensure_is_published
+open_or_build_pull_request