Move a pre-build check to somewhere it won't break on build-all

tools/kaleidoscope-builder

@@ -19,6 +19,10 @@ firmware_size () {
 find_sketch () {
     SKETCH="${SKETCH:-${DEFAULT_SKETCH}}"
     LIBRARY="${LIBRARY:-${SKETCH}}"
+    if [ -z "${SKETCH}" ] || [ -z "${LIBRARY}" ] || [ -z "${ROOT}" ] || [ -z "${SOURCEDIR}" ]; then
+        echo "SKETCH, LIBRARY, SOURCEDIR, and ROOT need to be set before including this file!" >&2
+        exit 1
+    fi
 
     for path in "hardware/keyboardio/avr/libraries/Kaleidoscope-${LIBRARY}/examples/${SKETCH}" \
                     "examples/${LIBRARY}" \

tools/kaleidoscope-builder.conf

@@ -11,10 +11,6 @@ esac
 SKETCH="${SKETCH:-${DEFAULT_SKETCH}}"
 LIBRARY="${LIBRARY:-${SKETCH}}"
 
-if [ -z "${SKETCH}" ] || [ -z "${LIBRARY}" ] || [ -z "${ROOT}" ] || [ -z "${SOURCEDIR}" ]; then
-    echo "SKETCH, LIBRARY, SOURCEDIR, and ROOT need to be set before including this file!" >&2
-    exit 1
-fi
 
 
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