Merge pull request #163 from BenjaminMichaelis/v9.0

Add linux v9.0 github build

.github/workflows/Branch v9.0 - EssentialCSharp-Linux.yml

@@ -0,0 +1,29 @@
+name: Linux - Branch v9.0 - EssentialCSharp
+
+on:
+  push:
+    branches: [ v9.0 ]
+  pull_request:
+    branches: [ v9.0 ]
+  schedule:
+    - cron: 0 6 * * 1
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        ref: v9.0
+    - name: Setup .NET
+      uses: actions/setup-dotnet@v1
+      with:
+        dotnet-version: 3.1.x
+    - name: Get Directory
+      run: pwd
+    - name: Restore dependencies
+      run: dotnet restore
+    - name: Build
+      run: dotnet build --no-restore
+    - name: Test
+      run: dotnet test --no-build --verbosity normal

Directory.Build.props

@@ -1,14 +1,15 @@
 <Project>
   <PropertyGroup>
+    <TargetFramework>netcoreapp3.1</TargetFramework>
+    <LangVersion>9.0</LangVersion>
     <Nullable>enable</Nullable>
     <ProductName Condition="'$(ProductName)'==''">Chapter$(ChapterNumber)</ProductName>
     <TreatWarningsAsErrors Condition="'$(TreatWarningsAsErrors)'==''">false</TreatWarningsAsErrors>
-    <TargetFramework>netcoreapp3.1</TargetFramework>
     <Authors>Mark Michaelis</Authors>
     <Company>Addison Wesley</Company>
     <Copyright>Copyright © Addison Wesley 2020</Copyright>
-    <Product>Essential C# 8.0</Product>
-    <Title>Essential C# 8.0</Title>
+    <Product>Essential C# 9.0</Product>
+    <Title>Essential C# 9.0</Title>
     <Version>8.0</Version>
     <OutputPath Condition="'$(WSL_DISTRO_NAME)'!=''">.\bin\Linux\$(Configuration)\</OutputPath>
     <NullableWarnings>CS8600,CS8601,CS8602,CS8603,CS8604,CS8610,CS8614,CS8618,CS8622,CS8625,CS8653,CS8714</NullableWarnings>