/// <summary>
/// Executes the given <see cref="IMercurialCommand"/> command against
/// the Mercurial repository.
/// </summary>
/// <param name="repositoryPath">
/// The root path of the repository to execute the command in.
/// </param>
/// <param name="command">
/// The <see cref="IMercurialCommand"/> command to execute.
/// </param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="repositoryPath"/> is <c>null</c>.</para>
/// <para>- or -</para>
/// <para><paramref name="command"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="MercurialException">
/// HG did not complete within the allotted time.
/// </exception>
public static void Execute(string repositoryPath, IMercurialCommand command)
{
if (StringEx.IsNullOrWhiteSpace(repositoryPath))
{
throw new ArgumentNullException("repositoryPath");
}
if (command == null)
{
throw new ArgumentNullException("command");
}
ClientExecutable.LazyInitialize();
var specialArguments = (IEnumerable <string>) new[]
{
"--noninteractive", "--encoding", "utf-8",
};
var environmentVariables = new[]
{
new KeyValuePair <string, string>("LANGUAGE", "EN"), new KeyValuePair <string, string>("HGENCODING", "utf-8"),
};
try
{
CommandProcessor.Execute(repositoryPath, ClientExecutable.ClientPath, command, environmentVariables, specialArguments);
}
finally
{
MercurialVersionBase.Current.WaitForLocksToDissipate(repositoryPath);
}
}
/// <summary>
/// Executes the given <see cref="IMercurialCommand"/> command without
/// a repository.
/// </summary>
/// <param name="command">
/// The <see cref="IMercurialCommand"/> command to execute.
/// </param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="command"/> is <c>null</c>.</para>
/// </exception>
public static void Execute(IMercurialCommand command)
{
if (command == null)
{
throw new ArgumentNullException("command");
}
ClientExecutable.LazyInitialize();
Execute(Path.GetTempPath(), command);
}
/// <summary>
/// Executes the given executable to process the given command.
/// </summary>
/// <param name="workingDirectory">
/// The working directory while executing the command.
/// </param>
/// <param name="executable">
/// The full path to and name of the executable to execute.
/// </param>
/// <param name="command">
/// The options to the executable.
/// </param>
/// <param name="environmentVariables">
/// An array of <see cref="KeyValuePair{TKey,TValue}"/> objects, containing environment variable
/// overrides to use while executing the executable.
/// </param>
/// <param name="specialArguments">
/// Any special arguments to pass to the executable, not defined by the <paramref name="command"/>
/// object, typically common arguments that should always be passed to the executable.
/// </param>
/// <exception cref="ArgumentNullException">
/// <para><paramref name="workingDirectory"/> is <c>null</c> or empty.</para>
/// <para>- or -</para>
/// <para><paramref name="executable"/> is <c>null</c> or empty.</para>
/// <para>- or -</para>
/// <para><paramref name="command"/> is <c>null</c>.</para>
/// <para>- or -</para>
/// <para><paramref name="environmentVariables"/> is <c>null</c>.</para>
/// <para>- or -</para>
/// <para><paramref name="specialArguments"/> is <c>null</c>.</para>
/// </exception>
/// <exception cref="MercurialException">
/// <para>The executable did not finish in the allotted time.</para>
/// </exception>
public static void Execute(
string workingDirectory, string executable, ICommand command, KeyValuePair <string, string>[] environmentVariables,
IEnumerable <string> specialArguments)
{
if (StringEx.IsNullOrWhiteSpace(workingDirectory))
{
throw new ArgumentNullException("workingDirectory");
}
if (StringEx.IsNullOrWhiteSpace(executable))
{
throw new ArgumentNullException("executable");
}
if (command == null)
{
throw new ArgumentNullException("command");
}
if (environmentVariables == null)
{
throw new ArgumentNullException("environmentVariables");
}
if (specialArguments == null)
{
throw new ArgumentNullException("specialArguments");
}
command.Validate();
command.Before();
IEnumerable <string> arguments = specialArguments;
arguments = arguments.Concat(command.Arguments.Where(a => !StringEx.IsNullOrWhiteSpace(a)));
arguments = arguments.Concat(command.AdditionalArguments.Where(a => !StringEx.IsNullOrWhiteSpace(a)));
string argumentsString = string.Join(" ", arguments.ToArray());
var psi = new ProcessStartInfo
{
FileName = executable,
WorkingDirectory = workingDirectory,
RedirectStandardInput = true,
RedirectStandardOutput = true,
RedirectStandardError = true,
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden,
UseShellExecute = false,
ErrorDialog = false,
Arguments = command.Command + " " + argumentsString,
};
foreach (var kvp in environmentVariables)
{
psi.EnvironmentVariables[kvp.Key] = kvp.Value;
}
ClientExecutable.LazyInitialize();
psi.StandardErrorEncoding = ClientExecutable.GetMainEncoding();
psi.StandardOutputEncoding = ClientExecutable.GetMainEncoding();
if (command.Observer != null)
{
command.Observer.Executing(command.Command, argumentsString);
}
Process process = Process.Start(psi);
try
{
Func <StreamReader, Action <string>, string> reader;
if (command.Observer != null)
{
reader = delegate(StreamReader streamReader, Action <string> logToObserver)
{
var output = new StringBuilder();
string line;
while ((line = streamReader.ReadLine()) != null)
{
logToObserver(line);
if (output.Length > 0)
{
output.Append(Environment.NewLine);
}
output.Append(line);
}
return(output.ToString());
};
}
else
{
reader = (StreamReader streamReader, Action <string> logToObserver) => streamReader.ReadToEnd();
}
IAsyncResult outputReader = reader.BeginInvoke(process.StandardOutput, line => command.Observer.Output(line), null, null);
IAsyncResult errorReader = reader.BeginInvoke(process.StandardError, line => command.Observer.ErrorOutput(line), null, null);
int timeout = Timeout.Infinite;
if (command.Timeout > 0)
{
timeout = 1000 * command.Timeout;
}
if (!process.WaitForExit(timeout))
{
if (command.Observer != null)
{
command.Observer.Executed(psi.FileName, psi.Arguments, 0, string.Empty, string.Empty);
}
throw new MercurialException("The executable did not complete within the allotted time");
}
string standardOutput = reader.EndInvoke(outputReader);
string errorOutput = reader.EndInvoke(errorReader);
if (command.Observer != null)
{
command.Observer.Executed(command.Command, argumentsString, process.ExitCode, standardOutput, errorOutput);
}
command.After(process.ExitCode, standardOutput, errorOutput);
}
finally
{
process.Dispose();
}
}
