Port symfile implementation from Ruby, FireRed

.github/workflows/build.yml

@@ -7,11 +7,29 @@ on:
 
 jobs:
   build:
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
+    env:
+      GAME_VERSION: EMERALD
+      GAME_REVISION: 0
+      GAME_LANGUAGE: ENGLISH
+      MODERN: 0
+      COMPARE: 1
     steps:
       - name: Checkout
         uses: actions/checkout@master
 
+      - name: Checkout syms
+        uses: actions/checkout@master
+        with:
+          path: symbols
+          ref: symbols
+
+      - name: Checkout agbcc
+        uses: actions/checkout@master
+        with:
+          path: agbcc
+          repository: pret/agbcc
+
       - name: Install binutils
         run: sudo apt install gcc-arm-none-eabi binutils-arm-none-eabi
         # build-essential, git, and libpng-dev are already installed
@@ -20,16 +38,18 @@ jobs:
 
       - name: Install agbcc
         run: |
-          git clone https://github.com/pret/agbcc.git
-          cd agbcc 
           ./build.sh
           ./install.sh ../
+        working-directory: agbcc
 
       - name: Compare
-        run: make -j${nproc} compare
+        run: make -j${nproc} all syms
 
       - name: Modern
-        run: make -j${nproc} modern
+        env:
+          MODERN: 1
+          COMPARE: 0
+        run: make -j${nproc} all
 
       - name: Webhook
         if: ${{ github.event_name == 'push' }}
@@ -38,3 +58,17 @@ jobs:
           CALCROM_DISCORD_WEBHOOK_AVATAR_URL: https://i.imgur.com/38BQHdd.png
           CALCROM_DISCORD_WEBHOOK_URL: ${{ secrets.CALCROM_DISCORD_WEBHOOK_URL }}
         run: sh .github/calcrom/webhook.sh pokeemerald
+
+      - name: Move symfiles
+        if: ${{ github.event_name == 'push' }}
+        run: |
+          cp -v *.sym symbols/
+
+      - name: Update symfiles
+        if: ${{ github.event_name == 'push' }}
+        uses: EndBug/add-and-commit@v7
+        with:
+          branch: symbols
+          cwd: "./symbols"
+          add: "*.sym"
+          message: ${{ github.event.commits[0].message }}