dotnet tool install fails for some paths on Linux #16462
Description
.NET 6 preview 2 fails to install dotnet tools on Linux in some paths and succeeds in other. I wasn't able to determine the key.
It succeeds to install to /mnt/d/a non-existent folder, it fails to install do /mnt/d/a/b. I verified that long path support is on and it also succeeded to install to /mnt/d/aaaa which is a longer path than /mnt/d/a/b.
I also tried creating /mnt/d/a and installing into /mnt/d/a/b and it also failed.
Repro steps:
$ dotnet tool install --tool-path /mnt/d/a --version 1.0.0-prerelease.21162.1 --add-source https://dnceng.pkgs.visualstudio.com/public/_packaging/dotnet-eng/nuget/v3/index.json Microsoft.DotNet.XHarness.CLI
You can invoke the tool using the following command: xharness
Tool 'microsoft.dotnet.xharness.cli' (version '1.0.0-prerelease.21162.1') was successfully installed.
$ rm -rf /mnt/d/a
$ dotnet tool install --tool-path /mnt/d/a/b --version 1.0.0-prerelease.21162.1 --add-source https://dnceng.pkgs.visualstudio.com/public/_packaging/dotnet-eng/nuget/v3/index.json Microsoft.DotNet.XHarness.CLI
/mnt/d/github/arcade/.dotnet/sdk/6.0.100-preview.2.21155.3/NuGet.targets(131,5): error : Input/output error [/tmp/tkfebrrh.0kq/restore.csproj]
The tool package could not be restored.
Tool 'microsoft.dotnet.xharness.cli' failed to install. This failure may have been caused by:
* You are attempting to install a preview release and did not use the --version option to specify the version.
* A package by this name was found, but it was not a .NET tool.
* The required NuGet feed cannot be accessed, perhaps because of an Internet connection problem.
* You mistyped the name of the tool.
For more reasons, including package naming enforcement, visit https://aka.ms/failure-installing-tool
dotnet --info returns:
.NET SDK (reflecting any global.json):
Version: 6.0.100-preview.2.21155.3
Commit: 1a9103db2d
Runtime Environment:
OS Name: ubuntu
OS Version: 20.04
OS Platform: Linux
RID: ubuntu.20.04-x64
Base Path: /mnt/d/github/arcade/.dotnet/sdk/6.0.100-preview.2.21155.3/
Host (useful for support):
Version: 6.0.0-preview.2.21154.6
Commit: 3eaf1f316b
.NET SDKs installed:
6.0.100-preview.2.21155.3 [/mnt/d/github/arcade/.dotnet/sdk]
.NET runtimes installed:
Microsoft.AspNetCore.App 6.0.0-preview.2.21154.6 [/mnt/d/github/arcade/.dotnet/shared/Microsoft.AspNetCore.App]
Microsoft.NETCore.App 6.0.0-preview.2.21154.6 [/mnt/d/github/arcade/.dotnet/shared/Microsoft.NETCore.App]
I see this happening across different machines and platforms (WSL, MacOS, AzDO Linux agents) but I still failed to determine when it would fail and when not. Path length doesn't seem to matter, I tried removing segments matching the package name or package version but the examples above show that these also doesn't matter.