Do not fail on BadCrcException during unzip and only show a warning - f…

…ixes #484
fsprojects · Jan 2, 2015 · 256513b · 256513b
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diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
@@ -1,3 +1,6 @@
+#### 0.20.13 - 02.01.2015
+* Do not fail on BadCrcException during unzip and only show a warning - https://github.com/fsprojects/Paket/issues/484
+
 #### 0.20.12 - 02.01.2015
 * BUGFIX: Dependencies file saves http and gist links correctly - https://github.com/fsprojects/Paket/issues/498
 

diff --git a/src/Paket.Core/NuGetV2.fs b/src/Paket.Core/NuGetV2.fs
@@ -308,8 +308,9 @@ let ExtractPackage(fileName:string, targetFolder, name, version:SemVerInfo) =
                 try
                     e.Extract(targetFolder, ExtractExistingFileAction.OverwriteSilently)
                 with
-                | exn ->                    
-                    failwithf "Error during unzipping %s in %s %A: %s" e.FileName name version exn.Message 
+                | :? Ionic.Zip.BadCrcException as exn -> 
+                    traceWarnfn "Bad Crc during unzipping %s in %s %A: %s" e.FileName name version exn.Message 
+                | exn -> failwithf "Error during unzipping %s in %s %A: %s" e.FileName name version exn.Message 
 
             // cleanup folder structure
             let rec cleanup (dir : DirectoryInfo) =