private List <PackageData> GetPackagesFromManifestJson()
{
if (!myManifestPath.ExistsFile)
{
// This is not really expected, unless we're on an older Unity that doesn't support package manager
myLogger.Info("manifest.json does not exist");
return(null);
}
myLogger.Verbose("Getting packages from manifest.json");
try
{
var projectManifest = ManifestJson.FromJson(myManifestPath.ReadAllText2().Text);
// Now we've deserialised manifest.json, log why we skipped packages-lock.json
LogWhySkippedPackagesLock(projectManifest);
var appPath = myUnityVersion.GetActualAppPathForSolution();
var builtInPackagesFolder = UnityInstallationFinder.GetBuiltInPackagesFolder(appPath);
// Read the editor's default manifest, which gives us the minimum versions for various packages
var globalManifestPath = UnityInstallationFinder.GetPackageManagerDefaultManifest(appPath);
if (globalManifestPath.ExistsFile && myLastReadGlobalManifestPath != globalManifestPath)
{
myLastReadGlobalManifestPath = globalManifestPath;
myGlobalManifest = SafelyReadGlobalManifestFile(globalManifestPath);
}
var registry = projectManifest.Registry ?? DefaultRegistryUrl;
var packages = new Dictionary <string, PackageData>();
foreach (var(id, version) in projectManifest.Dependencies)
{
if (version.Equals("exclude", StringComparison.OrdinalIgnoreCase))
{
continue;
}
projectManifest.Lock.TryGetValue(id, out var lockDetails);
packages[id] = GetPackageData(id, version, registry, builtInPackagesFolder,
lockDetails);
}
// From observation, Unity treats package folders in the Packages folder as actual packages, even if they're
// not registered in manifest.json. They must have a */package.json file, in the root of the package itself
foreach (var child in myPackagesFolder.GetChildDirectories())
{
// The folder name is not reliable to act as ID, so we'll use the ID from package.json. All other
// packages get the ID from manifest.json or packages-lock.json. This is assumed to be the same as
// the ID in package.json
var packageData = GetPackageDataFromFolder(null, child, PackageSource.Embedded);
if (packageData != null)
{
packages[packageData.Id] = packageData;
}
}
// Calculate the transitive dependencies. Based on observation, we simply go with the highest available
var packagesToProcess = new List <PackageData>(packages.Values);
while (packagesToProcess.Count > 0)
{
var foundDependencies = GetPackagesFromDependencies(registry, builtInPackagesFolder,
packages, packagesToProcess);
foreach (var package in foundDependencies)
{
packages[package.Id] = package;
}
packagesToProcess = foundDependencies;
}
return(new List <PackageData>(packages.Values));
}
catch (Exception e)
{
myLogger.LogExceptionSilently(e);
return(null);
}
}