Git integration stopped working

ulle55 · October 28, 2021, 9:01am

Hi.
My git integration have stopped working.

For some time I have got this error in the log:
2021-10-28 10:48:09.282 +02:00 [ERR] Failed to sync: unknown certificate check failure at LibGit2Sharp.Core.Ensure.HandleError(Int32 result)
at LibGit2Sharp.Core.Proxy.git_remote_fetch(RemoteHandle remote, IEnumerable1 refSpecs, GitFetchOptions fetchOptions, String logMessage) at LibGit2Sharp.Commands.Fetch(Repository repository, String remote, IEnumerable1 refspecs, FetchOptions options, String logMessage)
at LibGit2Sharp.Commands.Pull(Repository repository, Signature merger, PullOptions options)
at UniversalAutomation.Git.GitService.Pull() in D:\a\universal\universal\src\UniversalAutomation.Git\GitService.cs:line 267
at UniversalAutomation.GitSyncService.TrySync() in D:\a\universal\universal\src\UniversalAutomation\Services\GitSyncService.cs:line 129
at UniversalAutomation.GitSyncService.Sync() in D:\a\universal\universal\src\UniversalAutomation\Services\GitSyncService.cs:line 90

And inside the admin interface i see this:
Git Synchronization Failed 3 minutes ago unknown certificate check failure

Any ideas what to do?

Product: PowerShell Universal
Version: 2.4.1

adam · October 28, 2021, 1:00pm

Does this have anything to do with TLS1.2 support? Also, what type of repo are you syncing? GitHub?

github.com/libgit2/libgit2

WINHTTP: unknown certificate check failure (12)

opened 09:17PM - 07 Apr 19 UTC

closed 01:40PM - 11 Jun 19 UTC

jeroen

We have a Windows 2008 (= Vista) server, which has all of the [TLS 1.2 windows u…pdates](https://support.microsoft.com/en-us/help/4019276/update-to-add-support-for-tls-1-1-and-tls-1-2-in-windows) installed. I am sure TLS 1.2 works: the server can reach Github over HTTPS via native Windows applications such as Internet Explorer, or with libcurl using the schannel TLS back-end. However on the same server when trying to clone from Github with libgit2 we see: ``` libgit2 error in git_clone: unknown certificate check failure (12) ``` This happens with libgit2 0.27.8 and 0.28.1 built with `mingw-w64` compiles and `WINHTTP=ON`. The problem does not appear on more recent versions of Windows. ### Reproduction steps Build libgit2 with `WINHTTP=ON`. Then try to clone something from Github on Windows 2008. ### Expected behavior Clone succeeds. ### Actual behavior Clone fails with error: `unknown certificate check failure`. ### Version of libgit2 (release number or SHA1) 0.27.8 and 0.28.1 ### Operating system(s) tested Windows 2008, Windows Vista.

rachsngltn · June 22, 2022, 2:29pm

I’m having the same issue. GIT stopped syncing about a month ago.

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