Replace Travis CI with Github workflow

.github/calcrom/webhook.sh

@@ -1,7 +1,7 @@
 #!/bin/bash -ex
 
 # Only run this script if it's the master branch build.
-if [[ "$TRAVIS_BRANCH" != "master" || "$TRAVIS_PULL_REQUEST" != "false" ]]; then
+if [[ "$GITHUB_REF" != "refs/heads/master" || "$GITHUB_EVENT_NAME" != "false" ]]; then
   exit 0
 fi
 
@@ -13,4 +13,4 @@ if [ ! -f $map_file ]; then
 fi
 
 output=$(perl $(dirname "$0")/calcrom.pl $build_name.map | sed -E ':a;N;$!ba;s/\r{0,1}\n/\\n/g')
-curl -d "{\"username\": \"$CALCROM_DISCORD_WEBHOOK_USERNAME\", \"avatar_url\": \"$CALCROM_DISCORD_WEBHOOK_AVATAR_URL\", \"content\":\"\`\`\`$build_name progress:\\n$output\`\`\`\"}" -H "Content-Type: application/json" -X POST $CALCROM_DISCORD_WEBHOOK_URL
+curl -d "{\"username\": \"$CALCROM_DISCORD_WEBHOOK_USERNAME\", \"avatar_url\": \"$CALCROM_DISCORD_WEBHOOK_AVATAR_URL\", \"content\":\"\`\`\`$build_name progress:\\n$output\`\`\`\"}" -H "Content-Type: application/json" -X POST "$CALCROM_DISCORD_WEBHOOK_URL"

.github/workflows/build.yml

@@ -0,0 +1,40 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+env:
+  CALCROM_DISCORD_WEBHOOK_USERNAME: ${{ secrets.CALCROM_DISCORD_WEBHOOK_USERNAME }}
+  CALCROM_DISCORD_WEBHOOK_AVATAR_URL: ${{ secrets.CALCROM_DISCORD_WEBHOOK_AVATAR_URL }}
+  CALCROM_DISCORD_WEBHOOK_URL: ${{ secrets.CALCROM_DISCORD_WEBHOOK_URL }}
+
+jobs:
+  build:
+    runs-on: ubuntu-18.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Install binutils
+        run: sudo apt install gcc-arm-none-eabi binutils-arm-none-eabi
+        # build-essential, git, and libpng-dev are already installed
+        # gcc-arm-none-eabi is only needed for the modern build
+        # as an alternative to dkP
+
+      - name: Install agbcc
+        run: |
+          git clone https://github.com/pret/agbcc.git
+          cd agbcc 
+          ./build.sh
+          ./install.sh ../
+
+      - name: Compare
+        run: make -j${nproc} compare
+
+      - name: Modern
+        run: make -j${nproc} modern
+
+      - name: Webhook
+        run: sh .github/calcrom/webhook.sh pokeemerald

.travis.yml

@@ -1,39 +0,0 @@
-language: generic
-dist: bionic
-sudo: false
-env:
-  global:
-    - DEVKITPRO=$HOME
-    - DEVKITARM=$DEVKITPRO/devkitARM
-addons:
-  apt:
-    packages:
-      - gcc-multilib
-      - linux-libc-dev
-cache:
-  apt: true
-install:
-  - pushd $HOME
-  - travis_retry wget https://github.com/devkitPro/buildscripts/releases/download/devkitARM_r52/devkitARM_r52-linux.tar.xz
-  - tar xJf devkitARM*.tar.xz
-  - travis_retry wget https://github.com/devkitPro/devkitarm-rules/releases/download/v1.0.0/devkitarm-rules-1.0.0.tar.xz
-  - tar xJf devkitarm-rules-*.tar.xz -C $DEVKITARM
-  - travis_retry git clone https://github.com/pret/agbcc.git
-  - cd agbcc && ./build.sh && ./install.sh $TRAVIS_BUILD_DIR
-  - popd
-matrix:
-  include:
-    - os: linux
-      addons:
-        apt:
-          sources:
-              - ubuntu-toolchain-r-test
-          packages:
-            - g++-7
-      env: _="Build"
-      script:
-        - make -j2 tools CXX=g++-7
-        - make -j2 compare
-        - make -j2 modern
-after_success:
-  - .travis/calcrom/webhook.sh pokeemerald