reducing code duplication

bin/gha-commit.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+          git config --local user.email "action@github.com"
+          git config --local user.name "GitHub create-board Action"
+          git add boards/*
+          git status
+          OUT=$(git commit -am "Auto-generated board" 2>&1) || echo "commit failed, finding out why"
+          if echo "$OUT" | grep 'nothing to commit'; then
+            echo "headers: looks like nothing to commit"
+            echo "::set-env name=NOCOMMIT::true"
+            exit 0
+          elif echo "$OUT" | grep 'changed'; then
+            echo "headers: looks like something has changed"
+            exit 0
+          else
+            echo "headers: looks like something unexpected"
+            exit 1
+          fi
+