public async Task<Commit> GetCommit (string optionalCommitHash, string optionalGitRepoDir)
{
if (NoMono) {
// FIXME: return a dummy commit
return null;
}
var info = NewProcessStartInfo ();
/* Run without timing with --version */
info.Arguments = "--version";
Console.Out.WriteLine ("\t$> {0} {1} {2}", PrintableEnvironmentVariables (info), info.FileName, info.Arguments);
var process = Process.Start (info);
var version = Task.Run (() => new StreamReader (process.StandardOutput.BaseStream).ReadToEnd ()).Result;
var versionError = Task.Run (() => new StreamReader (process.StandardError.BaseStream).ReadToEnd ()).Result;
process.WaitForExit ();
process.Close ();
var line = version.Split (new char[] {'\n'}, 2) [0];
var regex = new Regex ("^Mono JIT.*\\((.*)/([0-9a-f]+) (.*)\\)");
var match = regex.Match (line);
var commit = new Commit ();
if (match.Success) {
commit.Branch = match.Groups [1].Value;
commit.Hash = match.Groups [2].Value;
var date = match.Groups [3].Value;
Console.WriteLine ("branch: " + commit.Branch + " hash: " + commit.Hash + " date: " + date);
} else {
if (optionalCommitHash == null) {
Console.Error.WriteLine ("Error: cannot parse mono version and no commit given.");
return null;
}
}
if (commit.Branch == "(detached")
commit.Branch = null;
if (optionalCommitHash != null) {
if (commit.Hash != null && !optionalCommitHash.StartsWith (commit.Hash)) {
Console.Error.WriteLine ("Error: Commit hash specified on command line does not match the one reported with --version.");
return null;
}
commit.Hash = optionalCommitHash;
}
try {
var gitRepoDir = optionalGitRepoDir ?? Path.GetDirectoryName (Mono);
var repo = new Repository (gitRepoDir);
var gitHash = repo.RevParse (commit.Hash);
if (gitHash == null) {
Console.WriteLine ("Could not get commit " + commit.Hash + " from repository");
} else {
Console.WriteLine ("Got commit " + gitHash + " from repository");
if (optionalCommitHash != null && optionalCommitHash != gitHash) {
Console.Error.WriteLine ("Error: Commit hash specified on command line does not match the one from the git repository.");
return null;
}
commit.Hash = gitHash;
commit.MergeBaseHash = repo.MergeBase (commit.Hash, "master");
commit.CommitDate = repo.CommitDate (commit.Hash);
if (commit.CommitDate == null) {
Console.Error.WriteLine ("Error: Could not get commit date from the git repository.");
return null;
}
Console.WriteLine ("Commit {0} merge base {1} date {2}", commit.Hash, commit.MergeBaseHash, commit.CommitDate);
}
} catch (Exception) {
Console.WriteLine ("Could not get git repository");
}
Octokit.Commit gitHubCommit = null;
try {
var gitHubClient = GitHubInterface.GitHubClient;
gitHubCommit = await ParseInterface.RunWithRetry (() => gitHubClient.GitDatabase.Commit.Get ("mono", "mono", commit.Hash), typeof (Octokit.NotFoundException));
} catch (Octokit.NotFoundException) {
Console.WriteLine ("Commit " + commit.Hash + " not found on GitHub");
}
if (gitHubCommit == null) {
Console.WriteLine ("Could not get commit " + commit.Hash + " from GitHub");
} else {
if (optionalCommitHash != null && optionalCommitHash != gitHubCommit.Sha) {
Console.Error.WriteLine ("Error: Commit hash specified on command line does not match the one from GitHub.");
return null;
}
commit.Hash = gitHubCommit.Sha;
if (commit.CommitDate == null)
commit.CommitDate = gitHubCommit.Committer.Date.DateTime;
Console.WriteLine ("Got commit " + commit.Hash + " from GitHub");
}
return commit;
}