Switch from Travis CI to GitHub Actions

.github/workflows/main.yml

@@ -0,0 +1,59 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Checkout rgbds
+        uses: actions/checkout@master
+        with:
+          path: rgbds
+          ref: v0.5.1
+          repository: gbdev/rgbds
+
+      - name: Install rgbds
+        working-directory: rgbds
+        run: |
+          sudo make install
+
+      - name: Remove rgbds
+        run: |
+          rm -rf rgbds
+
+      - name: Compare
+        run: |
+          make DEBUG=1 -j$(nproc) compare
+          if ! git diff-index --quiet HEAD --; then
+            echo 'Uncommitted changes detected:'
+            git diff-index HEAD --
+            return 1
+          fi
+
+      - name: Checkout symbols
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
+        uses: actions/checkout@master
+        with:
+          path: symbols
+          ref: symbols
+
+      - name: Move symbols
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
+        run: |
+          cp -v *.sym symbols/
+
+      - name: Update symbols
+        if: ${{ github.event_name == 'push' && github.repository_owner == 'pret' }}
+        uses: EndBug/add-and-commit@v7
+        with:
+          branch: symbols
+          cwd: "./symbols"
+          add: "*.sym"
+          message: ${{ github.event.commits[0].message }}

.travis.yml

@@ -1,34 +0,0 @@
-language: c
-os:
-  - linux
-  - osx
-install:
-  - |-
-    ( cd
-        if [ "$TRAVIS_OS_NAME" = osx ]; then
-          HOMEBREW_NO_AUTO_UPDATE=1 brew install bison
-          export PATH="/usr/local/opt/bison/bin:$PATH"
-        fi
-        git clone -b v0.5.1 --depth=1 https://github.com/gbdev/rgbds
-        sudo make -C rgbds install
-        rm -rf rgbds
-    )
-before_script:
-  - |-
-    function check_status() {
-      if ! git diff-index --quiet --ignore-submodules=all HEAD --; then
-        echo 'Uncommitted changes detected:';
-        git diff-index HEAD --;
-        return 1;
-      fi;
-    }
-script:
-  - make DEBUG=1 -j2 compare
-  - check_status
-after_success:
-  - |-
-    if [ "$TRAVIS_BRANCH" = master -a "$TRAVIS_PULL_REQUEST" = false -a "$TRAVIS_OS_NAME" = linux ]; then
-      if [ -n "$GITHUB_API_KEY" ]; then
-        ./.travis/upload_symbols.sh
-      fi
-    fi

.travis/upload_symbols.sh

@@ -1,12 +0,0 @@
-#!/bin/sh
-set -e
-
-commit_message=$(git log -1 --pretty=%B)
-
-git clone -b symbols https://github.com/pret/pokegold symbols
-cd symbols
-
-cp ../*.sym .
-git add *.sym
-git -c user.name='travis' -c user.email='travis@travis-ci.org' commit -m "$commit_message"
-git push -f -q https://pokepret:$GITHUB_API_KEY@github.com/pret/pokegold symbols &>/dev/null

README.md

@@ -1,4 +1,4 @@
-# Pokémon Gold and Silver [![Build Status][travis-badge]][travis]
+# Pokémon Gold and Silver [![Build Status][ci-badge]][ci]
 
 This is a disassembly of Pokémon Gold and Pokémon Silver.
 
@@ -38,5 +38,5 @@ Other disassembly projects:
 [pokeemerald]: https://github.com/pret/pokeemerald
 [discord]: https://discord.gg/d5dubZ3
 [irc]: https://kiwiirc.com/client/irc.freenode.net/?#pret
-[travis]: https://travis-ci.org/pret/pokegold
-[travis-badge]: https://travis-ci.org/pret/pokegold.svg?branch=master
+[ci]: https://github.com/pret/pokegold/actions
+[ci-badge]: https://github.com/pret/pokegold/actions/workflows/main.yml/badge.svg