Build AppImage

.github/workflows/build.yml

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+name: Build
+on: [push, pull_request]
+
+jobs:
+  build-windows:
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Build
+        run: cargo build --release
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: moonlight-installer-windows
+          path: target/release/moonlight-installer.exe
+
+  build-linux:
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+
+      - name: Build AppImage
+        run: ./build-linux.sh
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: moonlight-installer-linux
+          path: ./moonlight-installer-x86_64.AppImage
+
+  # TODO: macOS
+  # build-macos:

.gitignore

@@ -1 +1,6 @@
 /target
+
+# Linux packaging
+/AppDir
+/appimage-build
+*.AppImage

AppImageBuilder.yml

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+version: 1
+AppDir:
+  path: ./AppDir
+
+  app_info:
+    id: io.github.moonlight-mod.installer
+    name: moonlight installer
+    icon: moonlight-installer
+    version: 0.2.0
+    exec: usr/bin/moonlight-installer
+    exec_args: $@
+
+  files:
+    include:
+      - usr/bin/moonlight-installer
+
+  test:
+    fedora-30:
+      image: appimagecrafters/tests-env:fedora-30
+      command: ./AppRun
+    debian-stable:
+      image: appimagecrafters/tests-env:debian-stable
+      command: ./AppRun
+    archlinux-latest:
+      image: appimagecrafters/tests-env:archlinux-latest
+      command: ./AppRun
+    centos-7:
+      image: appimagecrafters/tests-env:centos-7
+      command: ./AppRun
+    ubuntu-xenial:
+      image: appimagecrafters/tests-env:ubuntu-xenial
+      command: ./AppRun
+
+AppImage:
+  arch: x86_64

build-linux.sh

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+#!/usr/bin/env sh
+set -e
+
+echo "Building installer..."
+cargo build --release
+
+if [ -d ./AppDir ]; then
+  echo "Cleaning up old AppDir..."
+  rm -rf ./AppDir
+fi
+
+echo "Creating AppDir..."
+mkdir -p ./AppDir/usr/bin
+mkdir -p ./AppDir/usr/share/icons/hicolor/256x256
+cp ./target/release/moonlight-installer ./AppDir/usr/bin
+cp ./assets/icon.png ./AppDir/usr/share/icons/hicolor/256x256/moonlight-installer.png
+
+if [ ! -f ./appimage-builder-x86_64.AppImage ]; then
+  echo "Downloading appimage-builder..."
+  # Nothing has ever gone wrong in the history of downloading random binaries off of the Internet
+  wget -O ./appimage-builder-x86_64.AppImage https://github.com/AppImageCrafters/appimage-builder/releases/download/v1.1.0/appimage-builder-1.1.0-x86_64.AppImage
+  chmod +x ./appimage-builder-x86_64.AppImage
+fi
+
+echo "Building AppImage..."
+./appimage-builder-x86_64.AppImage --recipe ./AppImageBuilder.yml
+
+# Move the appimage into a predictable location for CI
+mv "./moonlight installer-*-x86_64.AppImage" ./moonlight-installer-x86_64.AppImage