add optional customization template to build_trio, add patches folder

.github/workflows/build_trio.yml

@@ -252,6 +252,36 @@ jobs:
           submodules: recursive
           ref: ${{ env.TARGET_BRANCH }}
 
+      # Customize Trio: Use patches or download and apply patches from GitHub
+      - name: Customize Trio
+        run: |
+
+          # Trio workspace patches
+          # -applies any patches located in the Trio/patches/ directory
+          if $(ls ./patches/* &> /dev/null); then
+          git apply ./patches/* --allow-empty -v --whitespace=fix
+          fi
+
+          # Download and apply Trio patches from GitHub:
+          # Template for customizing Trio code (as opposed to submodule code)
+          # Remove the "#" sign from the beginning of the line below to activate
+          #   and then replace the alphanumeric string with your SHA, this SHA is NOT valid
+          #curl https://github.com/nightscout/Trio/commit/d206432b024279ef710df462b20bd464cd9682d4.patch | git apply -v --whitespace=fix
+
+          # Download and apply Submodule patches from GitHub:
+          # Template for customizing submodules (you must edit the submodule name)
+          # This example is for G7SensorKit showing you can apply multiple commits, in the proper order
+          # Remove the "#" sign from the beginning of the lines below to activate
+          # This example applies 3 commits from the scan-fix folder; valid only when these are not already in Trio
+          #curl https://github.com/loopandlearn/G7SensorKit/commit/ba44beb3d1491c453f4f438443c3f8ba29146ab3.patch | git apply --directory=G7SensorKit -v --whitespace=fix
+          #curl https://github.com/loopandlearn/G7SensorKit/commit/d86ac8e9cd523d1267587dd70c96597125eef7ab.patch | git apply --directory=G7SensorKit -v --whitespace=fix
+          #curl https://github.com/loopandlearn/G7SensorKit/commit/205054e7537723c2aec58d807634b4853f687244.patch | git apply --directory=G7SensorKit -v --whitespace=fix
+
+          # Add patches for additional customization by following the templates above,
+          # and make sure to specify the submodule by setting "--directory=(submodule_name)".
+          # Several patches may be added per submodule.
+          # Adding comments (#) is strongly recommended to easily tell the individual patches apart.
+
       # Patch Fastlane Match to not print tables
       - name: Patch Match Tables
         run: |

patches/save_patches_here.md

@@ -0,0 +1 @@
+Trio workspace patches can be saved in this directory (Trio/patches/)