Stick to .NET SDK 6 for CI builds

.github/workflows/.global.json

@@ -0,0 +1,6 @@
+{
+  "sdk": {
+    "version": "6.0.300",
+    "rollForward": "latestMinor"
+  }
+}

.github/workflows/pull-request.yaml

@@ -24,16 +24,23 @@ jobs:
         uses: microsoft/setup-msbuild@v1
         if: matrix.os == 'windows-2022'
 
+      - name: Replace global.json
+        run: cp .github/workflows/.global.json global.json
+        shell: bash
+
       - name: Install .NET SDK
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
             6.0.x
-            7.0.x
 
       - name: Get .NET information
         run: dotnet --info
 
+      - name: Get Mono information
+        run: mono --version
+        if: ${{ matrix.os != 'windows-2022' }}
+
       - name: "Build target: BuildAll"
         run: dotnet run --project tools/builder --no-launch-profile -- BuildAll --timing
 

.github/workflows/push-main.yaml

@@ -19,16 +19,22 @@ jobs:
           fetch-depth: 0
           submodules: true
 
+      - name: Replace global.json
+        run: cp .github/workflows/.global.json global.json
+        shell: bash
+
       - name: Install .NET SDK
         uses: actions/setup-dotnet@v3
         with:
           dotnet-version: |
             6.0.x
-            7.0.x
 
       - name: Get .NET information
         run: dotnet --info
 
+      - name: Get Mono information
+        run: mono --version
+
       - name: "Build target: BuildAll"
         run: dotnet run --project tools/builder --no-launch-profile -- BuildAll --timing
 

build

@@ -26,8 +26,8 @@ else
 fi
 
 if which dotnet > /dev/null; then
-	if [ $(dotnet --version | cut -d. -f1) -lt 7 ]; then
-		echo "error(1): .NET SDK version $(dotnet --version) is too low; please install 7.0 or later"
+	if [ $(dotnet --version | cut -d. -f1) -lt 6 ]; then
+		echo "error(1): .NET SDK version $(dotnet --version) is too low; please install 6.0 or later"
 		exit 1
 	fi
 

build.ps1

@@ -21,8 +21,8 @@ if ($null -eq (Get-Command "dotnet" -ErrorAction Ignore)) {
 }
 
 $version = [Version]$([regex]::matches((&dotnet --version), '^(\d+\.)?(\d+\.)?(\*|\d+)').value)
-if ($version.Major -lt 7) {
-	throw ".NET SDK version ($version) is too low; please install version 7.0 or later"
+if ($version.Major -lt 6) {
+	throw ".NET SDK version ($version) is too low; please install version 6.0 or later"
 }
 
 if ($null -eq (Get-Command "msbuild.exe" -ErrorAction Ignore)) {