[release/10.0] Fix file size estimation when bundling symlinks #119406
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
![github-actions[bot]](https://avatars.githubusercontent.com/in/15368?s=60&v=4){kind=small}
FileInfo.Length will return the size of a symlink, rather than the file itself. On a source-built dotnet SDK, a trivial test project will bundle files like: packs/Microsoft.NETCore.App.Runtime.linux-x64/10.0.0-preview.7.25380.108/runtimes/linux-x64/lib/net10.0/Microsoft.CSharp.dll Which is a symlink to: ../../../../../../../shared/Microsoft.NETCore.App/10.0.0-preview.7.25380.108/Microsoft.CSharp.dll This can result in: > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: The "GenerateBundle" task failed unexpectedly. [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: System.NotSupportedException: Unable to expand length of this stream beyond its capacity. [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at System.IO.UnmanagedMemoryStream.WriteCore(ReadOnlySpan`1 buffer) [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at System.IO.Stream.CopyTo(Stream destination, Int32 bufferSize) [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at Microsoft.NET.HostModel.Bundle.Bundler.AddToBundle(Stream bundle, FileStream file, FileType type) [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at Microsoft.NET.HostModel.Bundle.Bundler.GenerateBundle(IReadOnlyList`1 fileSpecs) [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at Microsoft.NET.Build.Tasks.GenerateBundle.ExecuteCore() [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at Microsoft.NET.Build.Tasks.TaskBase.Execute() [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at Microsoft.Build.BackEnd.TaskExecutionHost.Execute() [/build/test/test.fsproj] > [...]/Microsoft.NET.Publish.targets(1132,5): error MSB4018: at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(TaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMo Fixes: b79c4fb
|
cc @jkoritzinsky @ViktorHofer Does the 'Microsoft.IO.Redist' version and PackageDownloadAndReference look okay? |
jkoritzinsky
approved these changes
Sep 5, 2025
jeffschwMSFT
approved these changes
Sep 8, 2025
|
Tagging subscribers to this area: @vitek-karas, @agocke, @VSadov |
|
/ba-g Failure is unrelated: #110173 |
jtschuster
approved these changes
Sep 9, 2025
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Backport of #118732 to release/10.0
/cc @elinor-fung @corngood
Customer Impact
Publishing a single-file bundle fails when any file being bundled is a symlink. Reported (and fixed - thanks @corngood!) externally for source-build as well as internally for CloudBuild.
Regression
.NET 10 Preview 7: b79c4fb
Testing
Automated test added.
Risk
[High/Medium/Low. Justify the indication by mentioning how risks were measured and addressed.]