private IEnumerable <IPackage> FilterPackages(IEnumerable <IPackage> packages, IConstraint constraint = null, bool returnFirstMatch = false)
{
if (constraint == null)
{
foreach (var package in packages)
{
yield return(package);
if (returnFirstMatch)
{
yield break;
}
}
yield break;
}
foreach (var package in packages)
{
var packageConstraint = new Constraint("==", package.GetVersion());
if (!constraint.Matches(packageConstraint))
{
continue;
}
yield return(package);
if (returnFirstMatch)
{
yield break;
}
}
}
/// <summary>
/// Assert whether the plugin api version matches the current bucket.
/// </summary>
protected virtual bool AssertPluginApiVersion(IPackage package)
{
if (package.GetPackageType() != PluginType)
{
return(false);
}
IConstraint requireConstraint = null;
foreach (var link in package.GetRequires())
{
if (link.GetTarget() == PluginRequire)
{
requireConstraint = link.GetConstraint();
break;
}
}
if (requireConstraint == null)
{
throw new RuntimeException(
$"Plugin \"{package.GetName()}\" is missing a require statement for a version of the \"{PluginRequire}\" package.");
}
var currentPluginApiVersion = GetPluginApiVersion();
var currentPluginApiConstraint = new Constraint("==", versionParser.Normalize(currentPluginApiVersion));
if (!requireConstraint.Matches(currentPluginApiConstraint))
{
io.WriteError($"<warning>The \"{package.GetName()}\" plugin was skipped because it requires a Plugin API version (\"{requireConstraint.GetPrettyString()}\") that does not match your Bucket installation (\"{currentPluginApiVersion}\"). You may need to run bucket update with the \"--no-plugins\" option.</warning>");
return(false);
}
return(true);
}
/// <inheritdoc />
public virtual IPackage FindPackage(string name, IConstraint constraint)
{
name = name.ToLower();
foreach (var package in GetPackages())
{
if (package.GetName() != name)
{
continue;
}
var packageConstraint = new Constraint("==", package.GetVersion());
if (constraint.Matches(packageConstraint))
{
return(package);
}
}
return(null);
}
/// <inheritdoc />
public virtual IPackage[] FindPackages(string name, IConstraint constraint = null)
{
name = name.ToLower();
var collection = new LinkedList <IPackage>();
foreach (var package in GetPackages())
{
if (package.GetName() != name)
{
continue;
}
if (constraint == null || constraint.Matches(new Constraint("==", package.GetVersion())))
{
collection.AddLast(package);
}
}
return(collection.ToArray());
}
private static bool IsVersionAcceptable(PredicatePackageAcceptable predicatePackageAcceptable, IConstraint constraint, string name, ConfigPackageBucket config)
{
// todo: to load aliase package.
var versions = new[] { config.VersionNormalized };
foreach (var version in versions)
{
if (predicatePackageAcceptable != null &&
!predicatePackageAcceptable(VersionParser.ParseStability(version), name))
{
continue;
}
if (constraint != null && !constraint.Matches(new Constraint("==", version)))
{
continue;
}
return(true);
}
return(false);
}
/// <summary>
/// Apply a constraint to an actual value, succeedingt if the constraint
/// is satisfied and throwing an assertion exception on failure.
/// </summary>
/// <param name="constraint">An IConstraint to be applied</param>
/// <param name="actual">The actual value to test</param>
/// <param name="message">The message that will be displayed on failure</param>
/// <param name="args">Arguments to be used in formatting the message</param>
public static void That( object actual, IConstraint constraint, string message, params object[] args )
{
Assert.IncrementAssertCount();
if ( !constraint.Matches( actual ) )
{
MessageWriter writer = new TextMessageWriter( message, args );
constraint.WriteMessageTo( writer );
throw new AssertionException( writer.ToString() );
}
}