libgit2 / libgit2/libgit2sharp
Can't use Library from FSI (Fsharp Interactive): System.DllNotFoundException: Unable to load DLL 'git2-b0d9952': The specified module could not be found. (Exception from HRESULT: 0x8007007E)
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Description
Reproduction steps
in a fresh fsi (using ionide ) i can reference LibGit2Sharp.dll and open the LibGit2Sharp namespace, but instantiating a Repository throws following error:
Microsoft (R) F# Interactive version 10.1.0 for F# 4.1
> #r "../../packages/play/LibGit2Sharp/lib/netstandard2.0/LibGit2Sharp.dll";;
--> Referenced 'd:\scripts2dev\libwba\src\play\../../packages/play/LibGit2Sharp/lib/netstandard2.0/LibGit2Sharp.dll' (file may be locked by F# Interactive process)
> open LibGit2Sharp;;
> let repo = new Repository("path\to\repo.git");;
System.TypeInitializationException: The type initializer for 'LibGit2Sharp.Core.NativeMethods' threw an exception. ---> System.DllNotFoundException: Unable to load DLL 'git2-b0d9952': The specified module could not be found. (Exception from HRESULT: 0x8007007E)
at LibGit2Sharp.Core.NativeMethods.git_libgit2_init()
at LibGit2Sharp.Core.NativeMethods.InitializeNativeLibrary()
at LibGit2Sharp.Core.NativeMethods..cctor()
--- End of inner exception stack trace ---
at LibGit2Sharp.Core.NativeMethods.git_repository_open(git_repository*& repository, FilePath path)
at LibGit2Sharp.Core.Proxy.git_repository_open(String path)
at LibGit2Sharp.Repository..ctor(String path, RepositoryOptions options, RepositoryRequiredParameter requiredParameter)
at <StartupCode$FSI_0003>.$FSI_0003.main@() in d:\scripts2dev\libwba\src\play\LibGit2Sharp.fsx:line 4
Stopped due to error
And I can't reference the dll from LibGit2Sharp.NativeBinaries, because it throws
> #r @"../..\packages\play\LibGit2Sharp.NativeBinaries\runtimes\win-x64\native\git2-b0d9952.dll";;
LibGit2Sharp.fsx(7,1): error FS0229: Error opening binary file 'd:\scripts2dev\libwba\src\play\../..\packages\play\LibGit2Sharp.NativeBinaries\runtimes\win-x64\native\git2-b0d9952.dll': d:\scripts2dev\libwba\packages\play\LibGit2Sharp.NativeBinaries\runtimes\win-x64\native\git2-b0d9952.dll: bad cli header, rva 0
LibGit2Sharp.fsx(7,1): error FS3160: Problem reading assembly 'd:\scripts2dev\libwba\src\play\../..\packages\play\LibGit2Sharp.NativeBinaries\runtimes\win-x64\native\git2-b0d9952.dll': Processing of a script fragment has stopped because an exception has been raised
What am I missing? How can I use the compiled libraries ?
Expected behavior
It is possible to reference and use LibGit2Sharp in fsi
Actual behavior
see above errors
Version of LibGit2Sharp (release number or SHA1)
So i am dowloading via nuget LibGit2Sharp prerelease in my paket.dependencies, which resolves to
LibGit2Sharp (0.26.0-preview-0027)
LibGit2Sharp.NativeBinaries (1.0.226) - restriction: >= netstandard2.0
Operating system(s) tested; .NET runtime tested
this is on Server 2016 with net471 which should behave like windows 10.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Reproduce the issue in a fresh F# Interactive session on Server 2016 with net471, using LibGit2Sharp.dll from the stated package versions. Compare the successful assembly reference with the failing Repository construction and the attempted reference to the native git2-b0d9952.dll. Done means FSI can reference and use LibGit2Sharp without the native-library loading error.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- fsharp, git
- Domain
- developer-experience
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 35/100