private static string FindFirstCommit(GitGetChangesOptions options)
{
using (var process = new Process())
{
var argumentBuilder = new StringBuilder();
argumentBuilder.Append("describe --tags --long");
process.StartInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
FileName = "git.exe",
WorkingDirectory = options.Repository,
Arguments = argumentBuilder.ToString()
};
process.Start();
var output = process.StandardOutput.ReadToEnd();
var error = process.StandardError.ReadToEnd();
process.WaitForExit();
var exitCode = process.ExitCode;
if (exitCode != 0)
{
throw new Exception($"git describe returned {exitCode}");
}
return(GetCommitAfterLastTag(output));
}
}
private static string GetGitLog(GitGetChangesOptions options, string startCommit)
{
using (var process = new Process())
{
var argumentBuilder = new StringBuilder();
argumentBuilder.Append("log");
if (!string.IsNullOrEmpty(startCommit))
{
argumentBuilder.AppendFormat(" {0}..HEAD", startCommit);
}
argumentBuilder.Append(" --pretty=medium");
process.StartInfo = new ProcessStartInfo
{
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardOutput = true,
RedirectStandardError = true,
FileName = "git.exe",
WorkingDirectory = options.Repository,
Arguments = argumentBuilder.ToString()
};
process.Start();
var output = process.StandardOutput.ReadToEnd();
var error = process.StandardError.ReadToEnd();
process.WaitForExit();
var exitCode = process.ExitCode;
if (exitCode != 0)
{
throw new Exception($"git log returned {exitCode}");
}
return(output);
}
}
public ExitCode Run(GitGetChangesOptions options)
{
try
{
string start = null;
if (options.SinceLastTag)
{
start = FindFirstCommit(options);
}
var output = GetGitLog(options, start);
var changes = Parse(output);
var filtered = Filter(changes, options.Include, options.Exclude);
WriteToDisk(options.Output, filtered);
}
catch (Exception e)
{
Log.ErrorFormat(e.Message);
Log.Debug(e);
return(ExitCode.GenericFailure);
}
return(ExitCode.Success);
}
