script to swap resources for small-device testing

Setting up an emulator that'll grab {menu,layout}-small resources is a
pain so this script exchanges them with regular resources so that a
subsequent compile will produce something that (when run) will catch
missing resources etc.

xwords4/android/scripts/test-small.sh

@@ -0,0 +1,38 @@
+#!/bin/sh
+
+set -e -u
+
+usage() {
+	[ $# -ge 1 ] && echo "ERROR: $1"
+	echo "usage: $0" >&2
+	echo "Move small-device resources around so they build for normal ones" >&2
+	exit 1
+}
+
+checkFile() {
+	FILE=$1
+	[ -z "$(git ls-files -m $FILE)" ] || usage "$FILE is modified"
+}
+
+swapFiles() {
+	SRC_FILE=$1
+	DEST_DIR=$2
+
+	NAME=$(basename $SRC_FILE)
+	mv $DEST_DIR/$NAME /tmp/
+	mv $SRC_FILE $DEST_DIR
+	mv /tmp/$NAME $SRC_FILE
+}
+
+for DIR in layout menu ; do
+	for FILE in res/${DIR}-small/*.xml; do
+		checkFile $FILE
+		checkFile res/$DIR/$(basename $FILE)
+	done
+done
+
+for DIR in layout menu ; do
+	for FILE in res/${DIR}-small/*.xml; do
+		swapFiles $FILE res/$DIR
+	done
+done