upload artifact to gh release

.builds/debian.yml

@@ -23,8 +23,8 @@ tasks:
       export PATH="$PATH:/usr/lib/go-1.18/bin"
       go version
       make linux
-      make win
+      make windows
 
 artifacts:
   - shark/dist/shark-linux
-  - shark/dist/shark-win.exe
+  - shark/dist/shark-windows.exe

.github/workflows/main.yml

@@ -1,10 +1,7 @@
 name: win+mac+linux
 
 on:
-  push:
-    branches: [ "master" ]
-  pull_request:
-    branches: [ "master" ]
+  push
 
 jobs:
 
@@ -26,7 +23,9 @@ jobs:
       if: runner.os == 'Linux'
       run: make deps-debian
 
-    - run: make
+    - name: Build for ${{ runner.os }}
+      run: make $(echo ${{ runner.os }} | tr '[:upper:]' '[:lower:]')
+      # The `tr` stuff is to convert the string to lowercase
 
     - name: Upload ${{ runner.os }} build
       uses: actions/upload-artifact@v3
@@ -36,11 +35,25 @@ jobs:
 
     - name: Cross-compile Windows build
       if: runner.os == 'Linux'
-      run: make win
+      run: make windows
 
     - name: Upload cross-compiled Windows build
       if: runner.os == 'Linux'
       uses: actions/upload-artifact@v3
       with:
         name: Windows shark
         path: dist/*.exe
+
+    - name: Upload artifacts to tagged release
+      if: github.ref_type == 'tag'
+      env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          TAG: ${{ github.ref_name }}
+      run: |
+        # Because we have multiple OSes in the build matrix, we need to either
+        # create a new release, or upload to the release if it already exists.
+        if gh release view "$TAG"; then
+          gh release upload "$TAG" dist/*
+        else
+          gh release create "$TAG" dist/* --generate-notes
+        fi

Makefile

@@ -2,16 +2,16 @@
 # Details here: https://github.com/hajimehoshi/ebiten/issues/1367
 
 build:
-	go build -tags ebitensinglethread -o dist/shark
+	go build -tags ebitensinglethread -o dist/
 
 linux:
 	GOOS=linux GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-linux
 
-win:
-	GOOS=windows GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-win.exe
+windows:
+	GOOS=windows GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-windows.exe
 
-mac:
-	GOOS=darwin GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-mac
+macos:
+	GOOS=darwin GOARCH=amd64 go build -tags ebitensinglethread -o dist/shark-macos
 
 clean:
 	rm -f dist/*