Don't run code coverage

altcover is having some issues with this project

Author: Jimmy Byrd

.paket/Paket.Restore.targets

@@ -252,11 +252,10 @@
     </PropertyGroup>
 
     <ItemGroup>
-      <_NuspecFiles Include="$(AdjustedNuspecOutputPath)\*.$(PackageVersion.Split(`+`)[0]).nuspec"/>
+      <_NuspecFiles Include="$(AdjustedNuspecOutputPath)\*.$(PackageVersion).nuspec"/>
     </ItemGroup>
 
-    <Exec Condition="@(_NuspecFiles) != ''" Command='$(PaketCommand) fix-nuspecs files "@(_NuspecFiles)" project-file "$(PaketProjectFile)" ' />
-    <Error Condition="@(_NuspecFiles) == ''" Text='Could not find nuspec files in "$(AdjustedNuspecOutputPath)" (Version: "$(PackageVersion)"), therefore we cannot call "paket fix-nuspecs" and have to error out!' />
+    <Exec Command='$(PaketCommand) fix-nuspecs files "@(_NuspecFiles)" project-file "$(PaketProjectFile)" ' Condition="@(_NuspecFiles) != ''" />
 
     <ConvertToAbsolutePath Condition="@(_NuspecFiles) != ''" Paths="@(_NuspecFiles)">
       <Output TaskParameter="AbsolutePaths" PropertyName="NuspecFileAbsolutePath" />

README.md

@@ -59,6 +59,8 @@ $ ./build.sh  // on unix
   * `CONFIGURATION=Debug ./build.sh` will result in things like `dotnet build -c Debug`
 * `GITHUB_TOKEN` will be used to upload release notes and nuget packages to github.
   * Be sure to set this before releasing
+- `DISABLE_COVERAGE` Will disable running code coverage metrics.  AltCover can have [severe performance degradation](https://github.com/SteveGilham/altcover/issues/57) so it worth disabling when looking to do a quicker feedback loop.
+  - `DISABLE_COVERAGE=1 ./build.sh`
 
 ### Watch Tests
 

build.fsx

@@ -20,6 +20,20 @@ BuildServer.install [
     Travis.Installer
 ]
 
+let environVarAsBoolOrDefault varName defaultValue =
+    let truthyConsts = [
+        "1"
+        "Y"
+        "YES"
+        "T"
+        "TRUE"
+    ]
+    try
+        let envvar = (Environment.environVar varName).ToUpper()
+        truthyConsts |> List.exists((=)envvar)
+    with
+    | _ ->  defaultValue
+
 //-----------------------------------------------------------------------------
 // Metadata and Configuration
 //-----------------------------------------------------------------------------
@@ -52,6 +66,9 @@ let publishUrl = "https://www.nuget.org"
 
 let paketToolPath = __SOURCE_DIRECTORY__ </> ".paket" </> (if Environment.isWindows then "paket.exe" else "paket")
 
+
+let disableCodeCoverage = environVarAsBoolOrDefault "DISABLE_COVERAGE" false
+
 //-----------------------------------------------------------------------------
 // Helpers
 //-----------------------------------------------------------------------------
@@ -172,7 +189,7 @@ let dotnetTest ctx =
     let args =
         [
             "--no-build"
-            "/p:AltCover=false"
+            sprintf "/p:AltCover=%b" (not disableCodeCoverage)
             sprintf "/p:AltCoverThreshold=%d" coverageThresholdPercent
             sprintf "/p:AltCoverAssemblyExcludeFilter=%s" excludeCoverage
         ]
@@ -370,7 +387,7 @@ Target.create "Release" ignore
 "DotnetRestore"
     ==> "DotnetBuild"
     ==> "DotnetTest"
-    ==> "GenerateCoverageReport"
+    =?> ("GenerateCoverageReport", not disableCodeCoverage)
     ==> "DotnetPack"
     ==> "SourcelinkTest"
     ==> "PublishToNuget"

build.sh

@@ -35,4 +35,4 @@ then
   dotnet tool install paket --tool-path "$PAKET_TOOL_PATH"
 fi
 
-FAKE_DETAILED_ERRORS=true "$FAKE" build -t "$@"
+DISABLE_COVERAGE=1 FAKE_DETAILED_ERRORS=true "$FAKE" build -t "$@"