Move CI from AppVeyor to GitHub Actions and publish to NuGet on tag

Author: SimonCropp

.github/workflows/build.yml

@@ -0,0 +1,91 @@
+name: Build
+
+on:
+  push:
+    branches: [main]
+    tags: ['*']
+  pull_request:
+  workflow_dispatch:
+
+concurrency:
+  group: build-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  DOTNET_CLI_TELEMETRY_OPTOUT: true
+  DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
+  DOTNET_NOLOGO: true
+
+jobs:
+  build:
+    runs-on: windows-latest
+    timeout-minutes: 30
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up .NET
+        uses: actions/setup-dotnet@v4
+        with:
+          global-json-file: global.json
+
+      # The tag is the version: tag 1.2.3 (or v1.2.3) builds 1.2.3. Other builds use the
+      # Version in Directory.Build.props.
+      - name: Resolve the version from the tag
+        if: startsWith(github.ref, 'refs/tags/')
+        shell: bash
+        run: echo "VERSION_ARGUMENT=-p:Version=${GITHUB_REF_NAME#v}" >> "$GITHUB_ENV"
+
+      - name: Build
+        run: dotnet build src --configuration Release ${{ env.VERSION_ARGUMENT }}
+
+      - name: Test
+        run: dotnet test src --configuration Release --no-build --no-restore
+
+      - name: Upload received on failure
+        if: failure()
+        uses: actions/upload-artifact@v4
+        with:
+          name: received
+          path: '**/*.received.*'
+          if-no-files-found: ignore
+          retention-days: 14
+
+      - name: Upload packages
+        if: success()
+        uses: actions/upload-artifact@v4
+        with:
+          name: nupkgs
+          path: nugets/**/*.nupkg
+          if-no-files-found: warn
+          retention-days: 30
+
+  # Trusted publishing: no stored API key. nuget.org validates GitHub's OIDC token against the
+  # policy naming this repository and this workflow file, and returns a key good for an hour.
+  publish:
+    needs: build
+    if: startsWith(github.ref, 'refs/tags/')
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    permissions:
+      contents: read
+      id-token: write
+    steps:
+      - name: Download packages
+        uses: actions/download-artifact@v4
+        with:
+          name: nupkgs
+          path: packages
+
+      - name: NuGet login
+        id: login
+        uses: NuGet/login@v1
+        with:
+          user: SimonCropp
+
+      - name: Push to nuget.org
+        run: >
+          dotnet nuget push "packages/**/*.nupkg"
+          --api-key ${{ steps.login.outputs.NUGET_API_KEY }}
+          --source https://api.nuget.org/v3/index.json
+          --skip-duplicate

readme.md

@@ -1,7 +1,7 @@
 # <img src="/src/icon.png" height="30px"> Verify.TestableIO.System.IO.Abstractions
 
 [![Discussions](https://img.shields.io/badge/Verify-Discussions-yellow?svg=true&label=)](https://github.com/orgs/VerifyTests/discussions)
-[![Build status](https://ci.appveyor.com/api/projects/status/8i6xgngkisbxxye6?svg=true)](https://ci.appveyor.com/project/SimonCropp/verify-testableio-system-io-abstractions)
+[![Build status](https://github.com/VerifyTests/Verify.TestableIO.System.IO.Abstractions/actions/workflows/build.yml/badge.svg)](https://github.com/VerifyTests/Verify.TestableIO.System.IO.Abstractions/actions/workflows/build.yml)
 [![NuGet Status](https://img.shields.io/nuget/v/Verify.TestableIO.System.IO.Abstractions.svg)](https://www.nuget.org/packages/Verify.TestableIO.System.IO.Abstractions/)
 
 Extends [Verify](https://github.com/VerifyTests/Verify) to allow verification of [TestableIO.System.IO.Abstractions](https://github.com/TestableIO/System.IO.Abstractions) bits.<!-- singleLineInclude: intro. path: /docs/intro.include.md -->

src/Verify.TestableIO.System.IO.Abstractions.slnx

@@ -5,7 +5,6 @@
     <File Path="../readme.md" />
     <File Path="../.editorconfig" />
     <File Path="../.gitattributes" />
-    <File Path="appveyor.yml" />
     <File Path="Directory.Build.props" />
     <File Path="Directory.Packages.props" />
     <File Path="../global.json" />