From 32e1aa809813f3785cee6fc084721732085cc00a Mon Sep 17 00:00:00 2001
From: Jake Jarvis <jake@jarv.is>
Date: Fri, 8 Nov 2019 12:11:07 -0500
Subject: [PATCH] add optipng step to CI

---
 .github/workflows/gh-pages.yml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/gh-pages.yml b/.github/workflows/gh-pages.yml
index 8f576aee..c778aec8 100644
--- a/.github/workflows/gh-pages.yml
+++ b/.github/workflows/gh-pages.yml
@@ -36,10 +36,13 @@ jobs:
     # just a little lossily (is that a word?)
     - name: Optimize processed images
       run: |
-        sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends pngquant jpegoptim
+        sudo DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends jpegoptim pngquant optipng
         cd $HOME/gh-pages/notes
         find . -iname "*.jp*" -print0 | xargs -0 jpegoptim --max=80 --strip-all
-        find . -iname "*.png" -print0 | xargs -0 pngquant --quality=60-65 --speed 1 --ext=.png --force --verbose
+        find . -iname "*.png" -print0 | xargs -0 pngquant --quality=50-70 --speed 3 --ext=.png --force
+        find . -iname "*.png" -print0 | xargs -0 optipng -o2 -force -strip all -quiet --
+      # Ignore errors - override pipefail
+      shell: bash {0}
 
     # Initialize a sub-repository in the new gh-pages directory and
     # add jakejarvis/jakejarvis.github.io as a remote.