Improve and document cargo profiles

.github/workflows/release.yaml

@@ -51,15 +51,15 @@ jobs:
           targets: aarch64-apple-darwin
       - name: Build release for Apple Silicon
         run: |
-          SDKROOT=$(xcrun -sdk macosx --show-sdk-path) cargo build --release --target=aarch64-apple-darwin
+          SDKROOT=$(xcrun -sdk macosx --show-sdk-path) cargo build --profile dist --target=aarch64-apple-darwin
       - name: Install rust toolchain for Apple x86
         uses: dtolnay/rust-toolchain@master
         with:
           toolchain: stable
           targets: x86_64-apple-darwin
       - name: Build release for x86 Apple
         run: |
-          SDKROOT=$(xcrun -sdk macosx --show-sdk-path) cargo build --release --target=x86_64-apple-darwin
+          SDKROOT=$(xcrun -sdk macosx --show-sdk-path) cargo build --profile dist --target=x86_64-apple-darwin
       - name: Create Universal Binary
         run: |
           lipo -create -output target/release/${{ env.GAME_EXECUTABLE_NAME }} target/aarch64-apple-darwin/release/${{ env.GAME_EXECUTABLE_NAME }} target/x86_64-apple-darwin/release/${{ env.GAME_EXECUTABLE_NAME }}
@@ -69,7 +69,6 @@ jobs:
           cp -r assets/ build/macos/src/Game.app/Contents/MacOS/assets
           cp -r credits/ build/macos/src/Game.app/Contents/MacOS/credits
           cp target/release/${{ env.GAME_EXECUTABLE_NAME }} build/macos/src/Game.app/Contents/MacOS/
-          strip build/macos/src/Game.app/Contents/MacOS/${{ env.GAME_EXECUTABLE_NAME }}
           mv build/macos/src/Game.app build/macos/src/${{ env.GAME_OSX_APP_NAME }}.app
           ln -s /Applications build/macos/src/
           hdiutil create -fs HFS+ -volname "${{ env.GAME_OSX_APP_NAME }}" -srcfolder build/macos/src ${{ env.GAME_EXECUTABLE_NAME }}.dmg
@@ -99,10 +98,9 @@ jobs:
         run: sudo apt-get update; sudo apt-get install pkg-config libx11-dev libasound2-dev libudev-dev
       - name: Build release
         run: |
-          cargo build --release
+          cargo build --profile dist
       - name: Prepare release
         run: |
-          strip target/release/${{ env.GAME_EXECUTABLE_NAME }}
           chmod +x target/release/${{ env.GAME_EXECUTABLE_NAME }}
           mv target/release/${{ env.GAME_EXECUTABLE_NAME }} .
       - name: Bundle release
@@ -138,7 +136,7 @@ jobs:
           global-json-file: build/windows/installer/global.json
       - name: Build release
         run: |
-          cargo build --release
+          cargo build --profile dist
       - name: Prepare release
         run: |
           mkdir target/release/assets && cp -r assets target/release/assets
@@ -263,10 +261,7 @@ jobs:
       - name: Install Cargo APK
         run: cargo install --force cargo-apk
       - name: Build app for Android
-        run: ANDROID_NDK_ROOT=$ANDROID_NDK_LATEST_HOME cargo apk build --package mobile
-        env:
-          # This will reduce the APK size from 1GB to ~200MB
-          CARGO_PROFILE_DEV_DEBUG: false
+        run: ANDROID_NDK_ROOT=$ANDROID_NDK_LATEST_HOME cargo apk build --profile dist --package mobile
       - name: Upload release
         uses: svenstaro/upload-release-action@v2
         with:
@@ -275,4 +270,4 @@ jobs:
           asset_name: ${{ env.GAME_EXECUTABLE_NAME }}_${{ env.VERSION }}_android.apk
           release_name: ${{ env.VERSION }}
           tag: ${{ env.VERSION }}
-          overwrite: true
+          overwrite: true

Cargo.toml

@@ -15,14 +15,21 @@ opt-level = 3
 [profile.dev]
 opt-level = 1
 
+# This is used by trunk as it doesn't support custom profiles: https://github.com/trunk-rs/trunk/issues/605
+# xbuild also uses this profile for building android AABs because I couldn't find a configuration for it
 [profile.release]
+opt-level = "s"
 lto = true
 codegen-units = 1
+strip = true
 
-# The profile that 'cargo dist' will build with
+# Profile for distribution
 [profile.dist]
 inherits = "release"
-lto = "thin"
+opt-level = 3
+lto = true
+codegen-units = 1
+strip = true
 
 [features]
 dev = [

README.md

@@ -42,15 +42,14 @@ You should keep the `credits` directory up to date. The release workflow automat
  3. Replace `build/android/res/mipmap-mdpi/icon.png` with `macos/AppIcon.iconset/icon_256x256.png`, but rename it to `icon.png`
 
 ### Deploy web build to GitHub pages
+
  1. Trigger the `deploy-github-page` workflow
  2. Activate [GitHub pages](https://pages.github.com/) for your repository
      1. Source from the `gh-pages` branch (created by the just executed action)
  3. After a few minutes your game is live at `http://username.github.io/repository`
 
 To deploy newer versions, just run the `deploy-github-page` workflow again.
 
-Note that this does a `cargo build` and thus does not work with local dependencies. Consider pushing your "custom Bevy fork" to GitHub and using it as a git dependency.
-
 # Deploy mobile platforms
 
 For general info on mobile support, you can take a look at [one of my blog posts about mobile development with Bevy][mobile_dev_with_bevy_2] which is relevant to the current setup.

mobile/build_rust_deps.sh

@@ -8,7 +8,7 @@ PATH=$PATH:$HOME/.cargo/bin
 
 RELFLAG=
 if [[ "$CONFIGURATION" != "Debug" ]]; then
-    RELFLAG=--release
+    RELFLAG=--profile dist
 fi
 
 set -euvx