From d869b9bd4246227fba48189df7ccf2fec791ccf2 Mon Sep 17 00:00:00 2001
From: Steffen Forkmann <steffen.forkmann@msu-solutions.de>
Date: Mon, 21 Sep 2015 15:09:36 +0200
Subject: [PATCH] better error in groups

---
 src/Paket.Core/UpdateProcess.fs | 8 ++++++--
 src/Paket/Paket.fsproj          | 4 ++--
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/src/Paket.Core/UpdateProcess.fs b/src/Paket.Core/UpdateProcess.fs
index 72a1f3e91a..03e6649189 100644
--- a/src/Paket.Core/UpdateProcess.fs
+++ b/src/Paket.Core/UpdateProcess.fs
@@ -120,8 +120,12 @@ let selectiveUpdate resolve (lockFile:LockFile) (dependenciesFile:DependenciesFi
     let groups = 
         resolution
         |> Map.map (fun groupName group -> 
-                { Name = dependenciesFile.Groups.[groupName].Name
-                  Options = dependenciesFile.Groups.[groupName].Options
+                let dependenciesGroup =
+                    match dependenciesFile.Groups |> Map.tryFind groupName with
+                    | Some g -> g
+                    | None -> failwithf "Group %O was not found in paket.dependencies." groupName
+                { Name = dependenciesGroup.Name
+                  Options = dependenciesGroup.Options
                   Resolution = group.ResolvedPackages.GetModelOrFail()
                   RemoteFiles = group.ResolvedSourceFiles })
     
diff --git a/src/Paket/Paket.fsproj b/src/Paket/Paket.fsproj
index 5be6222dfd..48d6173856 100644
--- a/src/Paket/Paket.fsproj
+++ b/src/Paket/Paket.fsproj
@@ -34,11 +34,11 @@
     <StartWorkingDirectory>c:\code\Paket09x</StartWorkingDirectory>
     <StartWorkingDirectory>D:\code\Pakettest</StartWorkingDirectory>
     <StartWorkingDirectory>D:\code\Paketkopie</StartWorkingDirectory>
-    <StartArguments>update</StartArguments>
+    <StartArguments>update nuget stidgen</StartArguments>
     <StartAction>Project</StartAction>
     <StartProgram>paket.exe</StartProgram>
     <StartWorkingDirectory>c:\code\Paketkopie</StartWorkingDirectory>
-    <StartWorkingDirectory>d:\code\paketkopie</StartWorkingDirectory>
+    <StartWorkingDirectory>d:\code\PaketRepro</StartWorkingDirectory>
   </PropertyGroup>
   <PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
     <DebugType>pdbonly</DebugType>