private List <LocalPackageInfo> GetPackages(string id)
{
var packages = new List <LocalPackageInfo>();
var packageIdRoot = PathResolver.GetVersionListPath(id);
if (!Directory.Exists(packageIdRoot))
{
return(packages);
}
foreach (var fullVersionDir in Directory.EnumerateDirectories(packageIdRoot))
{
LocalPackageInfo package;
if (!_packageCache.TryGetValue(fullVersionDir, out package))
{
var versionPart = fullVersionDir.Substring(packageIdRoot.Length).TrimStart(Path.DirectorySeparatorChar);
// Get the version part and parse it
NuGetVersion version;
if (!NuGetVersion.TryParse(versionPart, out version))
{
continue;
}
var hashPath = PathResolver.GetHashPath(id, version);
// The hash file is written last. If this file does not exist then the package is
// incomplete and should not be used.
if (_packageFileCache.Sha512Exists(hashPath))
{
var manifestPath = PathResolver.GetManifestFilePath(id, version);
var zipPath = PathResolver.GetPackageFilePath(id, version);
var sha512Path = PathResolver.GetHashPath(id, version);
var nuspec = _packageFileCache.GetOrAddNuspec(manifestPath, fullVersionDir);
var files = _packageFileCache.GetOrAddFiles(fullVersionDir);
var sha512 = _packageFileCache.GetOrAddSha512(hashPath);
var runtimeGraph = _packageFileCache.GetOrAddRuntimeGraph(fullVersionDir);
package = new LocalPackageInfo(id, version, fullVersionDir, manifestPath, zipPath, sha512Path, nuspec, files, sha512, runtimeGraph);
// Cache the package, if it is valid it will not change
// for the life of this restore.
// Locking is done at a higher level around the id
_packageCache.TryAdd(fullVersionDir, package);
}
}
// Add the package if it is valid
if (package != null)
{
packages.Add(package);
}
}
return(packages);
}
private LocalPackageInfo CreateLocalPackageInfo(string id, NuGetVersion version, string fullVersionDir, string newHashPath, string zipPath)
{
var manifestPath = PathResolver.GetManifestFilePath(id, version);
var nuspec = _packageFileCache.GetOrAddNuspec(manifestPath, fullVersionDir);
var files = _packageFileCache.GetOrAddFiles(fullVersionDir);
var sha512 = _packageFileCache.GetOrAddSha512(newHashPath);
var runtimeGraph = _packageFileCache.GetOrAddRuntimeGraph(fullVersionDir);
return(new LocalPackageInfo(id, version, fullVersionDir, manifestPath, zipPath, newHashPath, nuspec, files, sha512, runtimeGraph));
}
public IEnumerable <LocalPackageInfo> FindPackagesById(string packageId)
{
if (string.IsNullOrEmpty(packageId))
{
throw new ArgumentNullException(nameof(packageId));
}
// packages\{packageId}\{version}\{packageId}.nuspec
return(_cache.GetOrAdd(packageId, id =>
{
var packages = new List <LocalPackageInfo>();
var packageIdRoot = PathResolver.GetVersionListPath(id);
if (!Directory.Exists(packageIdRoot))
{
return packages;
}
foreach (var fullVersionDir in Directory.EnumerateDirectories(packageIdRoot))
{
var versionPart = fullVersionDir.Substring(packageIdRoot.Length).TrimStart(Path.DirectorySeparatorChar);
// Get the version part and parse it
NuGetVersion version;
if (!NuGetVersion.TryParse(versionPart, out version))
{
continue;
}
var hashPath = PathResolver.GetHashPath(id, version);
// The hash file is written last. If this file does not exist then the package is
// incomplete and should not be used.
if (File.Exists(hashPath))
{
var manifestPath = PathResolver.GetManifestFilePath(id, version);
var zipPath = PathResolver.GetPackageFilePath(id, version);
packages.Add(new LocalPackageInfo(id, version, fullVersionDir, manifestPath, zipPath));
}
}
return packages;
}));
}