Update dependencies from https://github.com/dotnet/arcade build 20200130.4 (#6270)

- Microsoft.DotNet.Arcade.Sdk - 5.0.0-beta.20080.4

eng/Version.Details.xml

@@ -104,9 +104,9 @@
     </Dependency>
   </ProductDependencies>
   <ToolsetDependencies>
-    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.20079.8">
+    <Dependency Name="Microsoft.DotNet.Arcade.Sdk" Version="5.0.0-beta.20080.4">
       <Uri>https://github.com/dotnet/arcade</Uri>
-      <Sha>8466781af43871ee0d4a1655acc008a305a62c0e</Sha>
+      <Sha>00402f1fdc2b59dbc4f0b1c143850cb72e69fc90</Sha>
     </Dependency>
   </ToolsetDependencies>
 </Dependencies>

eng/common/build.sh

@@ -175,6 +175,16 @@ function Build {
   InitializeCustomToolset
 
   if [[ ! -z "$projects" ]]; then
+    # Split project paths by semi-colon, find full-paths using readlink, 
+    # finally and splice back as a semi-colon separated list
+    IFS=';' read -r -a projs <<< "$projects"
+    len=${#projs[@]}
+    for ((i=0; i<$len; i++)); 
+    do 
+        projs[$i]=$(readlink -f "${projs[$i]}");
+    done 
+    projects=$(IFS=\; ; echo "${projs[*]}")
+    echo Updated projects: $projects
     properties="$properties /p:Projects=$projects"
   fi
 

global.json

@@ -3,6 +3,6 @@
     "dotnet": "5.0.100-alpha1-015949"
   },
   "msbuild-sdks": {
-    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.20079.8"
+    "Microsoft.DotNet.Arcade.Sdk": "5.0.0-beta.20080.4"
   }
 }