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https://github.com/gluck/il-repack

Open-source alternative to ILMerge
https://github.com/gluck/il-repack

Last synced: 21 days ago
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Open-source alternative to ILMerge

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README 

        
[![Build status](https://img.shields.io/appveyor/ci/gluck/il-repack.svg?label=build%20windows)](https://ci.appveyor.com/project/gluck/il-repack) [![NuGet](https://img.shields.io/nuget/v/ILRepack.svg)](https://www.nuget.org/packages/ILRepack/) [![GitHub license](https://img.shields.io/github/license/gluck/il-repack.svg)](http://www.apache.org/licenses/LICENSE-2.0)   

[![Gitter chat](https://img.shields.io/badge/gitter-join%20chat-green.svg)](https://gitter.im/gluck/il-repack)



Introduction

============



ILRepack is meant at replacing [ILMerge](http://www.microsoft.com/downloads/details.aspx?FamilyID=22914587-B4AD-4EAE-87CF-B14AE6A939B0&displaylang=en) / [Mono.Merge](http://evain.net/blog/articles/2006/11/06/an-introduction-to-mono-merge).



The former being ~~closed-source~~ ([now open-sourced](https://github.com/Microsoft/ILMerge)), impossible to customize, slow, resource consuming and many more.

The later being deprecated, unsupported, and based on an old version of Mono.Cecil.



Here we're using latest (slightly modified) Cecil sources (0.11.5), you can find the fork [here](https://github.com/KirillOsenkov/cecil/tree/ilrepack).



Downloads

------



You can grab it using [NuGet](http://nuget.org/packages/ILRepack/).



Or if you're old-school (and want to stay like that), this [direct link](http://nuget.org/api/v2/package/ILRepack) will give you the latest nupkg file, which you can open as a zip file.



Dotnet Tool Installation

-----



ILRepack can now be installed as a `dotnet tool`:



```powershell

PS C:\> dotnet tool install -g dotnet-ilrepack

```



You can then run ILRepack using `ilrepack`.



> [!Note]

> There's no need to use `dotnet ilrepack`, as the way the tool is installed into the `dotnet tool`s path, all you need to do is issue the command `ilrepack`.



Syntax

------



A console application is available (can be used as DLL as well), using same syntax as ILMerge:

```

Syntax: ILRepack.exe [options] /out:  [ ...]



 - /help                displays this usage

 - /keyfile:      specifies a keyfile to sign the output assembly

 - /keycontainer: specifies a key container to sign the output assembly (takes precedence over /keyfile)

 - /log:       enable logging (to a file, if given) (default is disabled)

 - /ver:M.X.Y.Z         target assembly version

 - /union               merges types with identical names into one

 - /ndebug              disables symbol file generation

 - /copyattrs           copy assembly attributes (by default only the primary assembly attributes are copied)

 - /attr:         take assembly attributes from the given assembly file

 - /allowMultiple       when copyattrs is specified, allows multiple attributes (if type allows)

 - /target:kind         specify target assembly kind (library, exe, winexe supported, default is same as first assembly)

 - /targetplatform:P    specify target platform (v1, v1.1, v2, v4 supported)

 - /xmldocs             merges XML documentation as well

 - /lib:          adds the path to the search directories for referenced assemblies (can be specified multiple times)

 - /internalize[:]  sets all types but the ones from the first assembly 'internal'.  contains one regex per

                                 line to compare against FullName of types NOT to internalize.

 - /renameInternalized  rename all internalized types

 - /excludeinternalizeserializable do not internalize types marked as Serializable

 - /delaysign           sets the key, but don't sign the assembly

 - /usefullpublickeyforreferences - NOT IMPLEMENTED

 - /align               - NOT IMPLEMENTED

 - /closed              - NOT IMPLEMENTED

 - /allowdup:Type       allows the specified type for being duplicated in input assemblies

 - /allowduplicateresources allows to duplicate resources in output assembly (by default they're ignored)

 - /zeropekind          allows assemblies with Zero PeKind (but obviously only IL will get merged)

 - /wildcards           allows (and resolves) file wildcards (e.g. `*`.dll) in input assemblies

 - /parallel            use as many CPUs as possible to merge the assemblies

 - /pause               pause execution once completed (good for debugging)

 - /repackdrop:AttributeClass allows dropping specific members during merging (#215)

 - /verbose             shows more logs

 - /out:          target assembly path, symbol/config/doc files will be written here as well

 -     primary assembly, gives the name, version to the merged one

 -    ...



Note: for compatibility purposes, all options can be specified using '/', '-' or '--' prefix.

```



How to build

------



Builds directly from within Visual Studio 2022, or using msbuild:



```

git clone --recursive https://github.com/gluck/il-repack.git

cd il-repack

msbuild

```



TODO

------

  * Crash-testing

  * Add remaining features from ILMerge (closed / align)

  * Un-fork Cecil

  * Merge import process & reference fixing



DONE

------

  * PDBs & MDBs should be merged (Thanks Simon)

  * Fixed internal method overriding public one which isn't allowed in the same assembly (Simon)

  * Attribute merge (/copyattrs)

  * XML documentation merge

  * Clean command line parameter parsing

  * Add usage / version

  * App.config merge

  * Internalizing types (Simon)

  * Delay signing (Simon)

  * Target platform selection (Simon)

  * Automatic internal type renaming



Sponsoring / Donations

------

If you like this tool and want to express your thanks, you can contribute either time to the project (issue triage or pull-requests) or donate money to the Free Software Foundation.



[![Donate](https://www.gnu.org/graphics/logo-fsf.org-tiny.png)](https://my.fsf.org/donate/)