Fix lint on CI (#154)

.github/workflows/ci.yml

@@ -30,13 +30,6 @@ jobs:
         uses: actions/setup-go@v2
         with:
           go-version: ${{ matrix.go }}
-      - name: Install golint
-        if: env.REVIEWDOG_ON == matrix.go
-        run: |
-          go get golang.org/x/lint/golint
-          go install golang.org/x/lint/golint
-          git reset --hard HEAD
-          golint ./...
       - name: Run go test
         run: |
           go vet ./...

.github/workflows/lint.yml

@@ -0,0 +1,25 @@
+name: lint
+on:
+  pull_request:
+    branches:
+      - master
+  push:
+    branches:
+      - master
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Setup Go
+        uses: actions/setup-go@v2
+      - name: Install golint
+        run: |
+          go get golang.org/x/lint/golint
+          go install golang.org/x/lint/golint
+          echo $(go env GOPATH)/bin >> ${GITHUB_PATH}
+      - name: Lint
+        run: |
+          golint ./... | sed 's/^\([^:]\+\):\([0-9]\+\):\([0-9]\+\): \(.*\)$/::warning file=\1,line=\2,col=\3::\4/'

mkvcore/option.go

@@ -145,6 +145,7 @@ func WithMaxKeyframeInterval(mainTrackNumber uint64, interval int64) BlockWriter
 // BlockReaderOptionFn configures a BlockReaderOptions.
 type BlockReaderOptionFn func(*BlockReaderOptions) error
 
+// ApplyToBlockReaderOptions implements BlockReaderOption.
 func (o BlockReaderOptionFn) ApplyToBlockReaderOptions(opts *BlockReaderOptions) error {
 	return o(opts)
 }