From 2eefd14231a2ec49aa236053c7cac85e15c21299 Mon Sep 17 00:00:00 2001
From: Eric House <xwords@eehouse.org>
Date: Wed, 4 Dec 2013 19:42:18 -0800
Subject: [PATCH] fix so --clean gets respected

---
 xwords4/android/scripts/mkimages.sh | 22 +++++++++++++++++-----
 1 file changed, 17 insertions(+), 5 deletions(-)

diff --git a/xwords4/android/scripts/mkimages.sh b/xwords4/android/scripts/mkimages.sh
index 608b87710..e1442caca 100755
--- a/xwords4/android/scripts/mkimages.sh
+++ b/xwords4/android/scripts/mkimages.sh
@@ -9,11 +9,22 @@ fi
 
 CLEAN=""
 
-if [ $# -gt 1 ]; then
-    if [ $1 = '--clean' ]; then
-        CLEAN=1
-    fi
-fi
+usage() {
+    echo "usage: $0 [--clean]"
+    exit 1
+}
+
+while [ $# -ge 1 ]; do
+    case $1 in
+        --clean)
+            CLEAN=1
+            ;;
+        *)
+            usage
+            ;;
+    esac
+    shift
+done
 
 # There needs to be target in the makefile for each of these (giving
 # the output .png size)
@@ -26,6 +37,7 @@ for SVG in img_src/*.svg; do
         SVG=$(basename $SVG)
         OUT=res/$DIR/${SVG/.svg/__gen.png}
         if [ -z "$CLEAN" ]; then
+            echo "not doing clean one"
             make -f $(dirname $0)/images.mk $OUT
         else
             rm -f $OUT