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Fix runfile cache location to survive dnx auto-pruning #60

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Fix runfile cache location to survive dnx auto-pruning #60

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Initial plan
Copilot May 3, 2026
74d48d4
Fix: move cache out of %TEMP% to avoid dnx auto-pruning; skip dotnet …
Copilot May 3, 2026
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13 changes: 5 additions & 8 deletions src/Core/RemoteRefExtensions.cs
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Original file line number Diff line number Diff line change
@@ -1,6 +1,4 @@
using System.Runtime.InteropServices;

namespace Devlooped;
namespace Devlooped;

public static class RemoteRefExtensions
{
Expand All @@ -11,13 +9,12 @@ public static class RemoteRefExtensions
public string EnsureTempPath() => Directory.CreateUserDirectory(location.TempPath);
}

/// <summary>Obtains the temporary directory root, e.g., <c>/tmp/dotnet/runfile/</c>.</summary>
/// <summary>Obtains the temporary directory root, e.g., <c>~/.local/share/dotnet/runfile/</c>.</summary>
static string GetTempRoot()
{
// We want a location where permissions are expected to be restricted to the current user.
string directory = RuntimeInformation.IsOSPlatform(OSPlatform.Windows)
? Path.GetTempPath()
: Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);
// We use LocalApplicationData (not the system temp folder) on all platforms so that
// dnx's built-in cleanup of %TEMP% doesn't prune our cached repo downloads mid-run.
string directory = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData);

return Directory.CreateUserDirectory(Path.Join(directory, "dotnet", "runfile"));
}
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7 changes: 5 additions & 2 deletions src/Core/RemoteRunner.cs
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Expand Up @@ -108,8 +108,11 @@ await AnsiConsole.Status().StartAsync($":open_file_folder: {location} :backhand_

if (updated)
{
// Clean since otherwise we sometimes get stale build outputs? :/
Process.Start(DotnetMuxer.Path.FullName, ["clean", "-v:q", program]).WaitForExit();
var objDir = Path.Combine(location.TempPath, "obj");
// Only clean when there are existing build artifacts; skip on freshly extracted
// directories (no obj/) since dotnet clean on a new dir can corrupt the lock file.
if (Directory.Exists(objDir))
Process.Start(DotnetMuxer.Path.FullName, ["clean", "-v:q", program]).WaitForExit();
}

string[] runargs = aot
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