Mono AOT Compiler packs are missing `data/UnixFilePermissions.xml`? · Issue #82201 · dotnet/runtime

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Description

@davidortinau was testing .NET 8 preview 1 builds and hit the error:
/usr/local/share/dotnet/packs/Microsoft.MacCatalyst.Sdk/16.2.232-net8-p1/targets/Xamarin.Shared.Sdk.targets(1037,3): error MSB4018: The "AOTCompile" task failed unexpectedly.
System.AggregateException: One or more errors occurred. (One or more errors occurred. (An error occurred trying to start process '/usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/8.0.0-preview.1.23106.5/Sdk/../tools/mono-aot-cross' with working directory '/Users/dmo/work/ControlGallery/src/ControlGallery'. Permission denied))
 ---> System.AggregateException: One or more errors occurred. (An error occurred trying to start process '/usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/8.0.0-preview.1.23106.5/Sdk/../tools/mono-aot-cross' with working directory '/Users/dmo/work/ControlGallery/src/ControlGallery'. Permission denied)
 ---> System.ComponentModel.Win32Exception (13): An error occurred trying to start process '/usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/8.0.0-preview.1.23106.5/Sdk/../tools/mono-aot-cross' with working directory '/Users/dmo/work/ControlGallery/src/ControlGallery'. Permission denied
   at System.Diagnostics.Process.ForkAndExecProcess(ProcessStartInfo startInfo, String resolvedFilename, String[] argv, String[] envp, String cwd, Boolean setCredentials, UInt32 userId, UInt32 groupId, UInt32[] groups, Int32& stdinFd, Int32& stdoutFd, Int32& stderrFd, Boolean usesTerminal, Boolean throwOnNoExec)
   at System.Diagnostics.Process.StartCore(ProcessStartInfo startInfo)
   at Xamarin.Utils.Execution.<>c__DisplayClass24_1.<RunAsync>b__0() in /Users/builder/azdo/_work/1/s/xamarin-macios/tools/common/Execution.cs:line 103
--- End of stack trace from previous location ---
   at Xamarin.MacDev.Tasks.XamarinTask.ExecuteAsync(String fileName, IList`1 arguments, String sdkDevPath, Dictionary`2 environment, Boolean mergeOutput, Boolean showErrorIfFailure, String workingDirectory) in /Users/builder/azdo/_work/1/s/xamarin-macios/msbuild/Xamarin.MacDev.Tasks/Tasks/XamarinTask.cs:line 120
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.ThrowIfExceptional(Boolean includeTaskCanceledExceptions)
   at System.Threading.Tasks.Task`1.GetResultCore(Boolean waitCompletionNotification)
   at Xamarin.MacDev.Tasks.AOTCompileTaskBase.<>c__DisplayClass36_0.<Execute>b__7(Task`1 v) in /Users/builder/azdo/_work/1/s/xamarin-macios/msbuild/Xamarin.MacDev.Tasks/Tasks/AOTCompileTaskBase.cs:line 108
   at System.Threading.Tasks.ContinuationResultTaskFromResultTask`2.InnerInvoke()
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
--- End of stack trace from previous location ---
   at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
   at System.Threading.Tasks.Task.ExecuteWithThreadLocal(Task& currentTaskSlot, Thread threadPoolThread)
   --- End of inner exception stack trace ---
   at System.Threading.Tasks.Task.WaitAllCore(Task[] tasks, Int32 millisecondsTimeout, CancellationToken cancellationToken)
   at System.Threading.Tasks.Task.WaitAll(Task[] tasks)
   at Xamarin.MacDev.Tasks.AOTCompileTaskBase.Execute() in /Users/builder/azdo/_work/1/s/xamarin-macios/msbuild/Xamarin.MacDev.Tasks/Tasks/AOTCompileTaskBase.cs:line 115
   at Xamarin.MacDev.Tasks.AOTCompile.Execute() in /Users/builder/azdo/_work/1/s/xamarin-macios/msbuild/Xamarin.MacDev.Tasks/Tasks/AOTCompile.cs:line 14
   at Microsoft.Build.BackEnd.TaskExecutionHost.Microsoft.Build.BackEnd.ITaskExecutionHost.Execute()
   at Microsoft.Build.BackEnd.TaskBuilder.ExecuteInstantiatedTask(ITaskExecutionHost taskExecutionHost, TaskLoggingContext taskLoggingContext, TaskHost taskHost, ItemBucket bucket, TaskExecutionMode howToExecuteTask) [/Users/dmo/work/ControlGallery/src/ControlGallery/ControlGallery.csproj]
We found that running this fixed it:
chmod +x /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/8.0.0-preview.1.23106.5/tools/mono-aot-cross
The Android/iOS workloads define a data/UnixFilePermission.xml file, so that dotnet workload commands can supply the execute bit. Details at: dotnet/sdk#16894
We think this was implemented sometime in dotnet/runtime: #54501
But I don't see the file here:
https://dev.azure.com/dnceng/public/_artifacts/feed/dotnet8/NuGet/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/overview/8.0.0-preview.1.23106.5
Reproduction Steps
Install .NET 8 Preview 1 MAUI bits: https://gist.github.com/jonathanpeppers/99961b4639823206c2537c03c856b097
dotnet new maccatalyst
dotnet build
Expected behavior
You should not need to chmod +x mono-aot-cross
Actual behavior
Some Mac machines you have to chmod +x mono-aot-cross.
Regression?
Known Workarounds
chmod +x /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/8.0.0-preview.1.23106.5/tools/mono-aot-cross
Configuration
.NET SDK 8.0.100-preview.1.23109.10
Other information
No response
          I don't think permissions are being captured during Nuget package generation. I'm running some local tests on zip file generation/unpacking with command-line non-dotnet tools, and have execute perms preserved across zip/unzip. But unzipping a locally generated nupkg with unzip isn't preserving the execute permissions which are on the llc/opt/mono-aot-cross used to build the package. Which to me indicates those values aren't being stored.
          OK, there's a -Z flag to unzip to validate it with.
Archive:  /home/directhex/Projects/runtime/artifacts/packages/Release/Shipping/Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.android-x64.8.0.0-dev.nupkg
Zip file size: 49624622 bytes, number of entries: 15
-rw-r--r--  2.0 unx      551 b- defN 23-Feb-15 21:56 _rels/.rels
-rw-r--r--  2.0 unx      997 b- defN 23-Feb-15 21:56 Microsoft.NETCore.App.Runtime.AOT.linux-x64.Cross.android-x64.nuspec
-rw-r--r--  2.0 unx      173 b- defN 23-Feb-15 21:56 Sdk/Sdk.props
-rw-r--r--  2.0 unx 47022208 b- defN 23-Feb-13 18:18 tools/llc
-rw-r--r--  2.0 unx 36135376 b- defN 23-Feb-15 21:55 tools/mono-aot-cross
-rw-r--r--  2.0 unx 53036464 b- defN 23-Feb-13 18:18 tools/opt
-rw-r--r--  2.0 unx      839 b- defN 23-Feb-15 21:56 tools/monocrossaot.deps.json
-rw-r--r--  2.0 unx      152 b- defN 23-Feb-15 21:56 tools/monocrossaot.runtimeconfig.json
-rw-r--r--  2.0 unx     1116 b- defN 20-Sep-28 21:50 LICENSE.TXT
-rw-r--r--  2.0 unx      152 b- defN 23-Feb-15 21:56 data/RuntimeList.xml
-rw-r--r--  2.0 unx     7006 b- defN 23-Feb-13 15:43 Icon.png
-rw-r--r--  2.0 unx        0 b- stor 21-Jan-19 20:13 useSharedDesignerContext.txt
-rw-r--r--  2.0 unx    64000 b- defN 23-Jan-25 17:38 THIRD-PARTY-NOTICES.TXT
-rw-r--r--  2.0 unx      928 b- defN 23-Feb-15 21:56 [Content_Types].xml
-rw-r--r--  2.0 unx      760 b- defN 23-Feb-15 21:56 package/services/metadata/core-properties/ca04b5010d49490499790adeb0fef710.psmdcp
15 files, 136270722 bytes uncompressed, 49622690 bytes compressed:  63.6%
note the lack of x on the files in tools/
I removed /usr/local/share/dotnet completely
Installed dotnet-sdk-8.0.100-preview.1.23109.10-osx-arm64.pkg.
And then ran sudo dotnet workload install maui --source https://pkgs.dev.azure.com/dnceng/public/_packaging/dotnet8/nuget/v3/index.json --source https://api.nuget.org/v3/index.json --from-rollback-file https://maui.blob.core.windows.net/metadata/rollbacks/9567bfa68859d611cc9aad2555fd9847f8233cda.json --verbosity diag.
$ find /usr/local/share/dotnet -name mono-aot-cross -ls
25088028    25808 -rwxr-xr-x    1 root             wheel            13213312 Sep 26 14:04 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.ios-arm/6.0.10/tools/mono-aot-cross
25085902    32056 -rwxr--r--    1 root             wheel            16409472 Feb 10 16:37 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.ios-arm/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25088123    26080 -rwxr-xr-x    1 root             wheel            13350752 Sep 26 13:54 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-x64/6.0.10/tools/mono-aot-cross
25086007    32360 -rwxr--r--    1 root             wheel            16564568 Feb 10 16:26 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-x64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25088086    25880 -rwxr-xr-x    1 root             wheel            13248264 Sep 26 13:56 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-arm64/6.0.10/tools/mono-aot-cross
25085966    32192 -rwxr--r--    1 root             wheel            16478896 Feb 10 16:28 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-arm64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25091042    26080 -rwxr-xr-x    1 root             wheel            13352192 Sep 26 14:07 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/6.0.10/tools/mono-aot-cross
25090309    32360 -rwxr--r--    1 root             wheel            16564536 Feb 10 16:39 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-x64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25083648    25264 -rwxr-xr-x    1 root             wheel            12931608 Oct 18 12:29 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm64/7.0.0/tools/mono-aot-cross
25082199    25872 -rwxr-xr-x    1 root             wheel            13245840 Sep 26 13:36 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm64/6.0.10/tools/mono-aot-cross
25085048    31936 -rwxr--r--    1 root             wheel            16351216 Feb 10 16:07 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25083587    25456 -rwxr-xr-x    1 root             wheel            13031160 Oct 18 12:25 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x64/7.0.0/tools/mono-aot-cross
25082132    26040 -rwxr-xr-x    1 root             wheel            13331776 Sep 26 13:33 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x64/6.0.10/tools/mono-aot-cross
25084991    32104 -rwxr--r--    1 root             wheel            16434920 Feb 10 16:03 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25088057    25872 -rwxr-xr-x    1 root             wheel            13246104 Sep 26 14:02 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.ios-arm64/6.0.10/tools/mono-aot-cross
25085934    32184 -rwxr--r--    1 root             wheel            16476824 Feb 10 16:34 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.ios-arm64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25083553    25216 -rwxr-xr-x    1 root             wheel            12908240 Oct 18 12:34 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x86/7.0.0/tools/mono-aot-cross
25082100    25864 -rwxr-xr-x    1 root             wheel            13241864 Sep 26 13:39 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x86/6.0.10/tools/mono-aot-cross
25084959    31896 -rwxr--r--    1 root             wheel            16327576 Feb 10 16:10 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-x86/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25088154    25872 -rwxr-xr-x    1 root             wheel            13244456 Sep 26 13:59 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-x86/6.0.10/tools/mono-aot-cross
25086059    32112 -rwxr--r--    1 root             wheel            16441040 Feb 10 16:31 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.iossimulator-x86/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25091011    25944 -rwxr-xr-x    1 root             wheel            13282680 Sep 26 14:10 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-arm64/6.0.10/tools/mono-aot-cross
25090264    32224 -rwxr--r--    1 root             wheel            16495416 Feb 10 16:42 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.maccatalyst-arm64/8.0.0-preview.1.23110.8/tools/mono-aot-cross
25083618    25152 -rwxr-xr-x    1 root             wheel            12877528 Oct 18 12:39 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm/7.0.0/tools/mono-aot-cross
25082164    25808 -rwxr-xr-x    1 root             wheel            13211760 Sep 26 13:41 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm/6.0.10/tools/mono-aot-cross
25085021    31832 -rwxr--r--    1 root             wheel            16296872 Feb 10 16:13 /usr/local/share/dotnet/packs/Microsoft.NETCore.App.Runtime.AOT.osx-x64.Cross.android-arm/8.0.0-preview.1.23110.8/tools/mono-aot-cross
All of the files have +x set!
      [.NET 8.0 Preview 1] Permission denied during dotnet build for net8.0-ios and net8.0-maccatalyst
      xamarin/xamarin-macios#17616