Adding upstream version 0.0~git20231022.c6c9f9a.

Signed-off-by: Daniel Baumann <daniel@debian.org>

.github/workflows/main.yml

@@ -0,0 +1,36 @@
+on: [push, pull_request]
+name: Test
+jobs:
+  test:
+    strategy:
+      matrix:
+        go-version: [1.18.x, 1.x]
+        os: [ubuntu-latest]
+        arch: ["", "386"]
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Install Go
+        uses: actions/setup-go@v4
+        with:
+          go-version: ${{ matrix.go-version }}
+      - name: Checkout code
+        uses: actions/checkout@v4
+      - name: Check formatting
+        run: diff -u <(echo -n) <(gofmt -d .)
+        if: runner.os != 'Windows'
+      - name: Run go vet
+        env:
+          GOARCH: ${{ matrix.arch }}
+        run: go vet ./...
+      - name: Run staticcheck
+        uses: dominikh/staticcheck-action@v1.3.0
+        with:
+          version: "2023.1.6"
+          install-go: false
+          cache-key: ${{ matrix.go-version }}
+        if: ${{ matrix.go-version == '1.x' }}
+      - name: Run tests
+        env:
+          GOARCH: ${{ matrix.arch }}
+        run: go test -vet=off ./...