yeah, github didn't like using a list to define the "uses" keys for a given step of a job. Not sure if that's possible. Whatever; let's try manually doing the checkout in our script

Author: maltfield

.github/workflows/build.yml

@@ -23,9 +23,7 @@ jobs:
       shell: bash
 
     - name: Execute script to build linux AppImage
-      uses:
-      - actions/checkout@v2
-      - docker://debian:buster-slim
+      uses: docker://debian:buster-slim
       run: "build/linux/buildAppImage.sh"
       shell: bash
 

build/linux/buildAppImage.sh

@@ -21,6 +21,10 @@ set -x
 
 PYTHON_PATH='/usr/bin/python3.7'
 
+# CHECKOUT (TODO: maybe remove?)
+git clone https://github.com/maltfield/cross-platform-python-gui.git
+pushd cross-platform-python-gui
+
 ###################
 # INSTALL DEPENDS #
 ###################