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C#: Add fallback logic to nuget install

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This commit is contained in:
Tamas Vajk
2024-02-19 10:00:06 +01:00
parent ce07d6ad9f
commit 69c1895065
2 changed files with 50 additions and 9 deletions
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30
csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DependencyManager.cs
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@@ -5,6 +5,7 @@ using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using Semmle.Util;
using Semmle.Util.Logging;
@@ -14,7 +15,7 @@ namespace Semmle.Extraction.CSharp.DependencyFetching
/// <summary>
/// Main implementation of the build analysis.
/// </summary>
public sealed class DependencyManager : IDisposable
public sealed partial class DependencyManager : IDisposable
{
private readonly AssemblyCache assemblyCache;
private readonly ILogger logger;
@@ -783,13 +784,38 @@ namespace Semmle.Extraction.CSharp.DependencyFetching
CompilationInfos.Add(("Successfully restored project files", successCount.ToString()));
}
[GeneratedRegex(@"^(.+)\.(\d+\.\d+\.\d+(-(.+))?)$", RegexOptions.IgnoreCase | RegexOptions.Compiled | RegexOptions.Singleline)]
private static partial Regex LegacyNugetPackage();
private void DownloadMissingPackages(List<FileInfo> allFiles, ISet<string> dllPaths)
{
var alreadyDownloadedPackages = Directory.GetDirectories(packageDirectory.DirInfo.FullName)
.Select(d => Path.GetFileName(d).ToLowerInvariant());
var notYetDownloadedPackages = fileContent.AllPackages
.Except(alreadyDownloadedPackages)
.ToList();
.ToHashSet();
var oldPackageDirectories = Directory.GetDirectories(legacyPackageDirectory.DirInfo.FullName)
.Select(d => Path.GetFileName(d).ToLowerInvariant());
foreach (var oldPackageDirectory in oldPackageDirectories)
{
// nuget install restores packages to 'packagename.version' folders (dotnet restore to 'packagename/version' folders)
// typical folder names look like:
// newtonsoft.json.13.0.3
// there are more complex ones too, such as:
// runtime.tizen.4.0.0-armel.Microsoft.NETCore.DotNetHostResolver.2.0.0-preview2-25407-01
var match = LegacyNugetPackage().Match(oldPackageDirectory);
if (!match.Success)
{
logger.LogWarning($"Package directory '{oldPackageDirectory}' doesn't match the expected pattern.");
continue;
}
var packageName = match.Groups[1].Value.ToLowerInvariant();
notYetDownloadedPackages.Remove(packageName);
}
if (notYetDownloadedPackages.Count == 0)
{
return;