From e6dcf151d404971562f7b196af4a0d4b8a5c9b1f Mon Sep 17 00:00:00 2001
From: stuarthayhurst <stuart.a.hayhurst@gmail.com>
Date: Sat, 7 Aug 2021 10:07:05 +0100
Subject: [PATCH] Enable optipng compression (without indexing, for GRUB
 support)

---
 assets/render-assets.sh | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/assets/render-assets.sh b/assets/render-assets.sh
index 5c8c44e..47741d8 100755
--- a/assets/render-assets.sh
+++ b/assets/render-assets.sh
@@ -1,6 +1,7 @@
 #!/bin/bash
 
 INKSCAPE="/usr/bin/inkscape"
+OPTIPNG="/usr/bin/optipng"
 
 if [[ "$1" == "select" ]]; then
   EXPORT_TYPE="select"
@@ -39,6 +40,7 @@ while read -r i; do
               "--export-dpi=$EXPORT_DPI" \
               "--export-id-only" \
               "--export-filename=$ASSETS_DIR/$i.png" "$SRC_FILE" >/dev/null
+    $OPTIPNG -strip all -nc "$ASSETS_DIR/$i.png"
   fi
 done < "$INDEX"