Add ghpr script

script/ghpr

@@ -0,0 +1,20 @@
+#!/usr/bin/env bash
+#
+# Open or create a GitHub PR in the browser
+
+export GH_NO_UPDATE_NOTIFIER=1
+
+output=$(gh pr view -w 2>&1)
+exitcode=$?
+
+if [ $exitcode -eq 0 ]; then
+  exit 0
+fi
+
+if echo "$output" | grep -q "no pull requests found"; then
+  echo "Opening new PR..."
+  gh pr create -w
+else
+  echo $output
+  exit $exitcode
+fi