public async Task <IList <BlamePorcelainEntry>?> Blame(string filePath, List <string>?gitArguments, List <string>?blameArguments, string?workingDirectory = null)
{
if (String.IsNullOrEmpty(filePath))
{
throw new ArgumentException("must not be null or empty", nameof(filePath));
}
var runner = CreateGitRunner(workingDirectory, gitArguments);
SetCommandArguments(runner, "blame", blameArguments);
runner.AddArgument("-p");
runner.AddQuotedArgument(filePath);
var parserState = new BlameParserState();
Log.StatusLine(GetLogMessage(runner), CommandMessageColor);
bool success = await RunTool(
() => {
using (var outputSink = (OutputSink)SetupOutputSink(runner)) {
outputSink.LineCallback = (string line) => ParseBlameLine(line, parserState);
runner.WorkingDirectory = DetermineRunnerWorkingDirectory(workingDirectory);
return(runner.Run());
}
}
);
if (!success)
{
return(null);
}
return(parserState.Entries);
}
void ParseBlameLine(string line, BlameParserState state)
{
if (state.CurrentEntry == null)
{
state.CurrentEntry = new BlamePorcelainEntry();
}
if (!state.CurrentEntry.ProcessLine(line))
{
return;
}
state.Entries.Add(state.CurrentEntry);
state.CurrentEntry = null;
}
