| 1 | using System.Diagnostics; |
| 2 | using CascadeIDE.Contracts; |
| 3 | |
| 4 | namespace CascadeIDE.Features.Git.DataAcquisition; |
| 5 | |
| 6 | /// <summary> |
| 7 | /// DAL: запуск внешнего <c>git</c> в рабочем каталоге (процесс, чтение stdout/stderr). |
| 8 | /// </summary> |
| 9 | /// <inheritdoc cref="IGitCommandRunner" /> |
| 10 | [IoBoundary] |
| 11 | public sealed class GitCommandRunner : IGitCommandRunner |
| 12 | { |
| 13 | public const int MaxOutputChars = 250_000; |
| 14 | |
| 15 | public async Task<(bool Success, int ExitCode, string Output)> RunAsync( |
| 16 | IReadOnlyList<string> args, |
| 17 | string workingDirectory, |
| 18 | CancellationToken cancellationToken = default) |
| 19 | { |
| 20 | if (string.IsNullOrWhiteSpace(workingDirectory) || !Directory.Exists(workingDirectory)) |
| 21 | return (false, -1, "Workspace path is not available."); |
| 22 | |
| 23 | try |
| 24 | { |
| 25 | var psi = new ProcessStartInfo("git") |
| 26 | { |
| 27 | RedirectStandardOutput = true, |
| 28 | RedirectStandardError = true, |
| 29 | UseShellExecute = false, |
| 30 | CreateNoWindow = true, |
| 31 | WorkingDirectory = workingDirectory |
| 32 | }; |
| 33 | foreach (var arg in args) |
| 34 | psi.ArgumentList.Add(arg); |
| 35 | |
| 36 | using var process = Process.Start(psi); |
| 37 | if (process is null) |
| 38 | return (false, -1, "Failed to start git process."); |
| 39 | |
| 40 | var acc = new OutputAccumulator(MaxOutputChars); |
| 41 | |
| 42 | async Task PumpAsync(StreamReader reader) |
| 43 | { |
| 44 | var buffer = new char[4096]; |
| 45 | while (true) |
| 46 | { |
| 47 | var read = await reader.ReadAsync(buffer, cancellationToken).ConfigureAwait(false); |
| 48 | if (read <= 0) |
| 49 | break; |
| 50 | acc.Append(buffer.AsSpan(0, read)); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | var pumpOut = PumpAsync(process.StandardOutput); |
| 55 | var pumpErr = PumpAsync(process.StandardError); |
| 56 | |
| 57 | await Task.WhenAll(pumpOut, pumpErr).ConfigureAwait(false); |
| 58 | await process.WaitForExitAsync(cancellationToken).ConfigureAwait(false); |
| 59 | |
| 60 | var output = acc.ToStringAndTrim(); |
| 61 | return (process.ExitCode == 0, process.ExitCode, output); |
| 62 | } |
| 63 | catch (Exception ex) |
| 64 | { |
| 65 | return (false, -1, ex.Message); |
| 66 | } |
| 67 | } |
| 68 | } |
| 69 | |