private async Task <ResultStatus> StartCommand(IExecuteContext executeContext, ListStore <CommandResultEntry> commandResultEntries, BuilderContext builderContext)
{
var logger = executeContext.Logger;
//await Scheduler.Yield();
ResultStatus status;
using (commandResultEntries)
{
logger.Debug($"Starting command {Command}...");
// Creating the CommandResult object
var commandContext = new LocalCommandContext(executeContext, this, builderContext);
// Try to execute remotely
if (!(Command.ShouldSpawnNewProcess() &&
builderContext.TryExecuteRemote != null &&
(status = await builderContext.TryExecuteRemote(Command, builderContext, executeContext, commandContext)) != ResultStatus.NotProcessed))
{
Command.PreCommand(commandContext);
if (!Command.BasePreCommandCalled)
{
throw new InvalidOperationException("base.PreCommand not called in command " + Command);
}
try
{
// Merge results from prerequisites
// TODO: This will prevent us from overwriting this asset with different content as it will result in a write conflict
// At some point we _might_ want to get rid of WaitBuildStep/ListBuildStep system and write a fully stateless input/output-based system; probably need further discussions
var fileProvider = MicrothreadLocalDatabases.DatabaseFileProvider;
if (fileProvider != null)
{
var assetIndexMap = fileProvider.ContentIndexMap;
foreach (var prerequisiteStep in PrerequisiteSteps)
{
foreach (var output in prerequisiteStep.OutputObjectIds)
{
assetIndexMap[output.Key.Path] = output.Value;
}
}
}
status = await Command.DoCommand(commandContext);
}
catch (Exception ex)
{
executeContext.Logger.Error("Exception in command " + this + ": " + ex);
status = ResultStatus.Failed;
}
Command.PostCommand(commandContext, status);
if (!Command.BasePostCommandCalled)
{
throw new InvalidOperationException("base.PostCommand not called in command " + Command);
}
}
// Ensure the command set at least the result status
if (status == ResultStatus.NotProcessed)
{
throw new InvalidDataException("The command " + Command + " returned ResultStatus.NotProcessed after completion.");
}
// Registering the result to the build cache
RegisterCommandResult(commandResultEntries, commandContext.ResultEntry, status);
}
return(status);
}
