add release

Author: lesbass

.github/workflows/release.yml

@@ -0,0 +1,68 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*"
+  workflow_dispatch:
+    inputs:
+      version:
+        description: "Package version, for example 0.1.0"
+        required: true
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+    environment: nuget
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          dotnet-version: 10.0.x
+
+      - name: Verify release comes from main
+        shell: bash
+        run: |
+          git fetch origin main
+          git merge-base --is-ancestor "$GITHUB_SHA" origin/main
+
+      - name: Resolve version
+        id: version
+        shell: bash
+        run: |
+          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
+            echo "value=${{ inputs.version }}" >> "$GITHUB_OUTPUT"
+          else
+            echo "value=${GITHUB_REF_NAME#v}" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Restore
+        run: dotnet restore Notion2Ical.sln
+
+      - name: Build
+        run: dotnet build Notion2Ical.sln --configuration Release --no-restore
+
+      - name: Test
+        run: dotnet test Notion2Ical.sln --configuration Release --no-build --verbosity normal
+
+      - name: Pack
+        run: dotnet pack Notion2Ical/Notion2Ical.csproj --configuration Release --no-build --output artifacts /p:PackageVersion=${{ steps.version.outputs.value }}
+
+      - name: NuGet login
+        uses: NuGet/login@v1
+        id: login
+        with:
+          user: ${{ vars.NUGET_USER }}
+
+      - name: Push to NuGet
+        run: dotnet nuget push artifacts/*.nupkg --api-key ${{ steps.login.outputs.NUGET_API_KEY }} --source https://api.nuget.org/v3/index.json --skip-duplicate