add packaging ci

Author: 4eUeP

.github/workflows/publish.yml

@@ -0,0 +1,31 @@
+name: Publish
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+
+      - name: Setup Haskell
+        uses: haskell/actions/setup@v1
+        with:
+          ghc-version: 8.10
+          cabal-version: 3.4
+
+      - name: Publish package
+        run: |
+          tar_file=$(cabal sdist | grep zoovisitor)
+          doc_file=$(cabal haddock --enable-documentation --haddock-for-hackage|grep 'zoovisitor.*docs.tar.gz')
+
+          echo $tar_file
+          echo $doc_file
+
+          cabal upload -u "${{ secrets.HACKAGE_USERNAME }}" -p "${{ secrets.HACKAGE_PASSWORD }}" --publish $tar_file
+          cabal upload -u "${{ secrets.HACKAGE_USERNAME }}" -p "${{ secrets.HACKAGE_PASSWORD }}" --publush --doc $doc_file