// TODO: add HasLocalInstalledPackage() ?
// ReSharper disable once CyclomaticComplexity
public static IEnumerable <InstalledPackage> GetLocalInstalledPackages(
string packagesConfigFile = null,
bool includeDependencies = false)
{
packagesConfigFile = packagesConfigFile ?? GetBuildPackagesConfigFile();
ControlFlow.Assert(!IncludesDependencies(packagesConfigFile) || includeDependencies,
$"!IncludesDependencies({packagesConfigFile}) || includeDependencies");
var packagesDirectory = GetPackagesDirectory(packagesConfigFile);
var packageIds = XmlTasks.XmlPeek(
packagesConfigFile,
IsLegacyFile(packagesConfigFile)
? ".//package/@id"
: ".//*[local-name() = 'PackageReference']/@Include");
var installedPackages = new HashSet <InstalledPackage>(InstalledPackage.Comparer.Instance);
foreach (var packageId in packageIds)
{
// TODO: use xml namespaces
// TODO: version as tag
var version = XmlTasks.XmlPeekSingle(
packagesConfigFile,
IsLegacyFile(packagesConfigFile)
? $".//package[@id='{packageId}']/@version"
: $".//*[local-name() = 'PackageReference'][@Include='{packageId}']/@Version")
.NotNull("version != null");
var packageData = GetGlobalInstalledPackage(packageId, version, packagesDirectory);
if (packageData == null)
{
continue;
}
installedPackages.Add(packageData);
yield return(packageData);
}
if (includeDependencies)
{
var packagesToCheck = new Queue <InstalledPackage>(installedPackages);
while (packagesToCheck.Any())
{
var packageToCheck = packagesToCheck.Dequeue();
foreach (var dependentPackage in GetDependentPackages(packageToCheck, packagesDirectory))
{
if (installedPackages.Contains(dependentPackage))
{
continue;
}
installedPackages.Add(dependentPackage);
packagesToCheck.Enqueue(dependentPackage);
yield return(dependentPackage);
}
}
}
}
private static string GetPackagesDirectory([CanBeNull] string packagesConfigFile)
{
string TryGetFromEnvironmentVariable()
=> EnvironmentInfo.GetVariable <string>("NUGET_PACKAGES");
string TryGetGlobalDirectoryFromConfig()
=> GetConfigFiles(packagesConfigFile)
.Select(x => new
{
File = x,
Setting = XmlTasks.XmlPeekSingle(x, ".//add[@key='globalPackagesFolder']/@value")
})
.Where(x => x.Setting != null)
.Select(x => Path.IsPathRooted(x.Setting)
? x.Setting
: Path.Combine(Path.GetDirectoryName(x.File).NotNull(), x.Setting))
.FirstOrDefault();
string TryGetDefaultGlobalDirectory()
=> packagesConfigFile == null || !IsLegacyFile(packagesConfigFile)
? Path.Combine(
EnvironmentInfo.SpecialFolder(SpecialFolders.UserProfile)
.NotNull("EnvironmentInfo.SpecialFolder(SpecialFolders.UserProfile) != null"),
".nuget",
"packages")
: null;
string TryGetLocalDirectory()
=> packagesConfigFile != null
? new FileInfo(packagesConfigFile).Directory.NotNull()
.DescendantsAndSelf(x => x.Parent)
.Where(x => x.GetFiles("*.sln").Any())
.Select(x => Path.Combine(x.FullName, "packages"))
.FirstOrDefault(Directory.Exists)
: null;
var packagesDirectory = TryGetFromEnvironmentVariable() ??
TryGetGlobalDirectoryFromConfig() ??
TryGetDefaultGlobalDirectory() ??
TryGetLocalDirectory();
return(packagesDirectory != null && Directory.Exists(packagesDirectory)
? packagesDirectory
: null);
}
