Install Mono before using NuGet

Author: JoeRobich

.pipelines/init.yml

@@ -18,6 +18,19 @@ steps:
     displayName: "Deserialize GitVersion"
     inputs:
       jsonfiles: $(Build.ArtifactStagingDirectory)/gitversion/**/gitversion.json
+  - ${{ if ne(parameters.MonoVersion, '') }}:
+      - script: |
+          curl -o mono.pkg https://download.mono-project.com/archive/$MONO_VERSION/macos-10-universal/MonoFramework-MDK-$MONO_VERSION.206.macos10.xamarin.universal.pkg
+          sudo installer -pkg mono.pkg -target /
+          sudo cp -rf /Library/Frameworks/Mono.framework/Versions/$MONO_VERSION/ /Library/Frameworks/Mono.framework/Versions/Current/
+          MONOPREFIX=/Library/Frameworks/Mono.framework/Versions/$MONO_VERSION
+          echo "##vso[task.setvariable variable=DYLD_FALLBACK_LIBRARY_PATH;]$MONOPREFIX/lib:/lib:/usr/lib:$DYLD_LIBRARY_FALLBACK_PATH"
+          echo "##vso[task.setvariable variable=PKG_CONFIG_PATH;]$MONOPREFIX/lib/pkgconfig:$MONOPREFIX/share/pkgconfig:$PKG_CONFIG_PATH"
+          echo "##vso[task.setvariable variable=PATH;]$MONOPREFIX/bin:$PATH"
+        env:
+          MONO_VERSION: ${{ parameters.MonoVersion }}
+        displayName: Use Mono ${{ parameters.MonoVersion }}
+        failOnStderr: false
   - task: UseDotNet@2
     displayName: Install dotnet $(DotNetVersion)
     inputs:
@@ -42,16 +55,3 @@ steps:
       command: custom
       feedsToUse: config
       arguments: install tools/packages.config -ExcludeVersion -OutputDirectory tools
-  - ${{ if ne(parameters.MonoVersion, '') }}:
-      - script: |
-          curl -o mono.pkg https://download.mono-project.com/archive/$MONO_VERSION/macos-10-universal/MonoFramework-MDK-$MONO_VERSION.206.macos10.xamarin.universal.pkg
-          sudo installer -pkg mono.pkg -target /
-          sudo cp -rf /Library/Frameworks/Mono.framework/Versions/$MONO_VERSION/ /Library/Frameworks/Mono.framework/Versions/Current/
-          MONOPREFIX=/Library/Frameworks/Mono.framework/Versions/$MONO_VERSION
-          echo "##vso[task.setvariable variable=DYLD_FALLBACK_LIBRARY_PATH;]$MONOPREFIX/lib:/lib:/usr/lib:$DYLD_LIBRARY_FALLBACK_PATH"
-          echo "##vso[task.setvariable variable=PKG_CONFIG_PATH;]$MONOPREFIX/lib/pkgconfig:$MONOPREFIX/share/pkgconfig:$PKG_CONFIG_PATH"
-          echo "##vso[task.setvariable variable=PATH;]$MONOPREFIX/bin:$PATH"
-        env:
-          MONO_VERSION: ${{ parameters.MonoVersion }}
-        displayName: Use Mono ${{ parameters.MonoVersion }}
-        failOnStderr: false