Keep opt profile

Based on the suggestion from archseer, the release build will use opt.
The release profile will be separate for testing purposes.

Author: janos-r

.github/workflows/release.yml

@@ -148,7 +148,7 @@ jobs:
         run: ${{ env.CARGO }} test --release --locked --target ${{ matrix.target }} --workspace
 
       - name: Build release binary
-        run: ${{ env.CARGO }} build --release --locked --target ${{ matrix.target }}
+        run: ${{ env.CARGO }} build --profile opt --locked --target ${{ matrix.target }}
 
       - name: Build AppImage
         shell: bash
@@ -175,7 +175,7 @@ jobs:
 
           mkdir -p "$APP.AppDir"/usr/{bin,lib/helix}
 
-          cp "target/${{ matrix.target }}/release/hx" "$APP.AppDir/usr/bin/hx"
+          cp "target/${{ matrix.target }}/opt/hx" "$APP.AppDir/usr/bin/hx"
           rm -rf runtime/grammars/sources
           cp -r runtime "$APP.AppDir/usr/lib/helix/runtime"
 
@@ -204,7 +204,7 @@ jobs:
         run: |
           cargo install cargo-deb
           mkdir -p target/release
-          cp target/${{ matrix.target }}/release/hx target/release/
+          cp target/${{ matrix.target }}/opt/hx target/release/
           cargo deb --no-build
           mkdir -p dist
           mv target/debian/*.deb dist/
@@ -214,9 +214,9 @@ jobs:
         run: |
           mkdir -p dist
           if [ "${{ matrix.os }}" = "windows-2019" ]; then
-            cp "target/${{ matrix.target }}/release/hx.exe" "dist/"
+            cp "target/${{ matrix.target }}/opt/hx.exe" "dist/"
           else
-            cp "target/${{ matrix.target }}/release/hx" "dist/"
+            cp "target/${{ matrix.target }}/opt/hx" "dist/"
           fi
           if [ -d runtime/grammars/sources ]; then
             rm -rf runtime/grammars/sources

Cargo.toml

@@ -21,6 +21,10 @@ default-members = [
 ]
 
 [profile.release]
+lto = "thin"
+
+[profile.opt]
+inherits = "release"
 lto = "fat"
 codegen-units = 1
 strip = true

book/src/building-from-source.md

@@ -118,7 +118,7 @@ to package the runtime into `/usr/lib/helix/runtime`. The rough steps a build
 script could follow are:
 
 1. `export HELIX_DEFAULT_RUNTIME=/usr/lib/helix/runtime`
-1. `cargo build --release --locked`
+1. `cargo build --profile opt --locked`
 1. `cp -r runtime $BUILD_DIR/usr/lib/helix/`
 1. `cp target/opt/hx $BUILD_DIR/usr/bin/hx`