I tried updating with 1.20.6 and got this error. Not sure if it's fixed in never versions, but restarting the download worked without issues.
22:12:20 INF] 3DSS for GAMMA | Extract | 100.00% | [9/14]
Stalker.Gamma.GammaInstallerServices.SpecialRepos.SpecialRepoException: Error downloading from Stalker Gamma Repo
Url: https://github.com/Grokitach/Stalker_GAMMA
Download Path: /mnt/storage/games/stalker/gamma/downloads/Stalker_GAMMA.git
Destination Dir: /mnt/storage/games/stalker/gamma/mods
Anomaly Dir: /mnt/storage/games/stalker/anomaly/
LibGit2Sharp.LibGit2SharpException: SSL error: syscall failure:
at LibGit2Sharp.Core.Ensure.HandleError(Int32) + 0xea
at LibGit2Sharp.Core.Proxy.git_remote_fetch(RemoteHandle, IEnumerable`1, GitFetchOptions, String) + 0x5c
at LibGit2Sharp.Commands.Fetch(Repository, String, IEnumerable`1, FetchOptions, String) + 0x22d
at Stalker.Gamma.Utilities.GitUtility.FetchGitRepo(String, Action`1, CancellationToken) + 0x2c1
at Stalker.Gamma.GammaInstallerServices.SpecialRepos.StalkerGammaRepo.DownloadAsync(CancellationToken) + 0xd6
---> LibGit2Sharp.LibGit2SharpException: SSL error: syscall failure:
at LibGit2Sharp.Core.Ensure.HandleError(Int32) + 0xea
at LibGit2Sharp.Core.Proxy.git_remote_fetch(RemoteHandle, IEnumerable`1, GitFetchOptions, String) + 0x5c
at LibGit2Sharp.Commands.Fetch(Repository, String, IEnumerable`1, FetchOptions, String) + 0x22d
at Stalker.Gamma.Utilities.GitUtility.FetchGitRepo(String, Action`1, CancellationToken) + 0x2c1
at Stalker.Gamma.GammaInstallerServices.SpecialRepos.StalkerGammaRepo.DownloadAsync(CancellationToken) + 0xd6
--- End of inner exception stack trace ---
at Stalker.Gamma.GammaInstallerServices.SpecialRepos.StalkerGammaRepo.DownloadAsync(CancellationToken) + 0x34b
at Stalker.Gamma.GammaInstallerServices.GammaInstaller.<>c__DisplayClass13_0.<<UpdateAsync>b__9>d.MoveNext() + 0x11a
--- End of stack trace from previous location ---
at Stalker.Gamma.GammaInstallerServices.GammaInstaller.<UpdateAsync>d__13.MoveNext() + 0xe1a
--- End of stack trace from previous location ---
at stalker_gamma_cli.Commands.UpdateCmds.<Apply>d__7.MoveNext() + 0x43b
--- End of stack trace from previous location ---
at ConsoleAppFramework.ConsoleApp.ConsoleAppBuilder.<RunCommand24Async>d__61.MoveNext() + 0x26f
I tried updating with 1.20.6 and got this error. Not sure if it's fixed in never versions, but restarting the download worked without issues.