internal static void SetGitHubBuildStatus(
Build build,
CommitState state,
Func<string, string, BuildConfiguration> getBuildConfiguration,
Func<Build, string> getBuildDescription,
Func<string> getHost,
Action<string, string, string, string, CommitState, Uri, string> createGitHubCommitStatus)
{
var buildConfiguration = getBuildConfiguration(
build.RepositoryOwner,
build.RepositoryName);
if (buildConfiguration == null)
throw new Exception("Could not find build configuration.");
var targetUrl = new Uri(String.Format(
"http://{0}/{1}/{2}/builds/{3}",
getHost(),
build.RepositoryOwner,
build.RepositoryName,
build.Id));
createGitHubCommitStatus(
buildConfiguration.Token,
build.RepositoryOwner,
build.RepositoryName,
build.Revision,
state,
targetUrl,
getBuildDescription(build));
}
public static bool CloneRepository(
BuildConfiguration buildConfiguration,
Build build,
string repositoryOwnerDirectory,
string repositoryDirectory,
Action<string> log)
{
log("STEP: Cloning repository.");
Func<bool> step = () =>
{
log("Checking whether repository has already been cloned.");
if (Directory.Exists(repositoryDirectory))
{
log(String.Format("{0} already exists. Skipping clone.", repositoryDirectory));
return true;
}
var url = GetRepositoryUrl(buildConfiguration.Owner, buildConfiguration.Name, buildConfiguration.Token);
using (var process = CreateProcess(
command: "git.exe",
arguments: String.Format("clone --recursive {0} {1}", url, repositoryDirectory),
workingDirectory: repositoryOwnerDirectory))
{
return RunProcess(process, log) == 0;
}
};
return RunStep(step, log);
}
internal static string GetBuildDescription(Build build, bool includeRefDescription, DateTimeOffset now)
{
if (build == null) throw new ArgumentNullException("build");
var @ref = "";
if (includeRefDescription)
@ref = String.Concat(" on ", GetRefDescription(build));
if (!build.Started.HasValue)
{
if (!build.Queued.HasValue)
return String.Format("Build #{0}{1} queued.", build.Id, @ref);
return String.Format("Build #{0}{1} queued {2} seconds ago.", build.Id, @ref, build.Queued.Value.Since(now));
}
if (!build.Finished.HasValue)
return String.Format("Build #{0}{1} started {2} seconds ago.", build.Id, @ref, build.Started.Value.Since(now));
if (!build.Succeeded.HasValue)
return String.Format("Build #{0}{1} finished in {2} seconds.", build.Id, @ref, build.Started.Value.Until(build.Finished.Value));
if (build.Succeeded.Value)
return String.Format("Build #{0}{1} succeeded in {2} seconds.", build.Id, @ref, build.Started.Value.Until(build.Finished.Value));
return String.Format("Build #{0}{1} failed in {2} seconds.", build.Id, @ref, build.Started.Value.Until(build.Finished.Value));
}
public static bool SetGitHubBuildFinished(
BuildConfiguration buildConfiguration,
Build build,
bool succeeded,
Action<string> logBuildMessage)
{
var state = succeeded
? CommitState.Success
: CommitState.Failure;
var stateName = Enum.GetName(typeof(CommitState), state);
logBuildMessage(String.Format("STEP: Updating GitHub build status to {0}.", stateName));
return RunStep(() =>
{
if (buildConfiguration.Token == null)
{
logBuildMessage("The build configuration has no token; skipping.");
return true;
}
if (build.Revision == null)
{
logBuildMessage("The build has no SHA; skipping.");
return true;
}
SetGitHubBuildStatus(build, state);
return true;
}, logBuildMessage);
}
public static void SetGitHubBuildStatus(
Build build,
CommitState state)
{
SetGitHubBuildStatus(
build,
state,
GetBuildConfiguration,
GetBuildDescription,
GetHost,
(token, owner, name, sha, commitState, targetUrl, description) =>
{
var gitHubClient = GetGitHubClient();
gitHubClient.Credentials = new Credentials(token);
gitHubClient.Repository.CommitStatus.Create(
owner,
name,
sha,
new NewCommitStatus
{
State = commitState,
TargetUrl = targetUrl,
Description = description
}).Wait();
});
}
public static Build CreateBuild(
string command,
string commandArguments,
string repositoryName,
string repositoryOwner,
string @ref,
string revision,
string eventType,
string @event)
{
// TODO: validate args
using (var ravenSession = OpenRavenSession())
{
var build = new Build
{
Queued = DateTimeOffset.UtcNow,
Command = command,
CommandArguments = commandArguments,
RepositoryName = repositoryName,
RepositoryOwner = repositoryOwner,
Ref = @ref,
Revision = revision,
EventType = eventType,
Event = @event
};
ravenSession.Store(build);
ravenSession.SaveChanges();
return build;
}
}
static string GetBuildStatus(Build build)
{
if (build.Started == null)
return "queued";
if (build.Finished == null)
return "building";
if (build.Succeeded.HasValue && build.Succeeded.Value)
return "succeeded";
return "failed";
}
public static void SetBuildStarted(
Build build,
DateTimeOffset started)
{
using (var ravenSession = OpenRavenSession())
{
build.Started = started;
ravenSession.Store(build);
ravenSession.SaveChanges();
}
}
public static bool FetchRepository(
Build build,
string repositoryDirectory,
Action<string> log)
{
return FetchRepository(
build,
repositoryDirectory,
log,
CreateProcess,
CreateFetchRefspec,
RunProcess);
}
public static void SetBuildFinished(
Build build,
bool succeeded,
DateTimeOffset finished)
{
using (var ravenSession = OpenRavenSession())
{
build.Succeeded = succeeded;
build.Finished = finished;
ravenSession.Store(build);
ravenSession.SaveChanges();
}
}
public static void AppendBuildOutput(
Build build,
string output)
{
using (var ravenSession = OpenRavenSession())
{
lock (semaphore)
{
build.Ouput += output + Environment.NewLine;
ravenSession.Store(build);
ravenSession.SaveChanges();
}
}
}
public static string GetRefDescription(Build build)
{
if (build.Ref.StartsWith("refs/heads/", StringComparison.OrdinalIgnoreCase))
{
var branch = build.Ref.Substring(11);
return String.Concat(build.RepositoryName, "/", branch);
}
if (build.Ref.StartsWith("refs/pull/", StringComparison.OrdinalIgnoreCase))
{
var slashafterPrNumberIndex = build.Ref.IndexOf("/", 10, StringComparison.InvariantCultureIgnoreCase);
var prNumber = build.Ref.Substring(10, slashafterPrNumberIndex - 10);
return String.Concat(build.RepositoryName, " pull request #", prNumber);
}
throw new ArgumentException(String.Format("Unexpected type of ref: {0}.", build.Ref), "build");
}
public static bool SetGitHubBuildStarted(
BuildConfiguration buildConfiguration,
Build build,
Action<string> logBuildMessage)
{
logBuildMessage("STEP: Setting GitHub build status to Pending.");
return RunStep(() =>
{
if (buildConfiguration.Token == null)
{
logBuildMessage("The build configuration has no token; skipping.");
return true;
}
SetGitHubBuildStatus(build, CommitState.Pending);
return true;
}, logBuildMessage);
}
public static bool ResetRepository(
Build build,
string repositoryDirectory,
Action<string> log)
{
log("STEP: Reseting repository.");
Func<bool> step = () =>
{
using (var process = CreateProcess(
"git.exe",
String.Concat("reset --hard ", build.Revision), repositoryDirectory))
{
return RunProcess(process, log) == 0;
}
};
return RunStep(step, log);
}
internal static string GetGitHubBuildStatusDescription(Build build)
{
if (build == null) throw new ArgumentNullException("build");
var now = DateTimeOffset.UtcNow;
if (!build.Started.HasValue)
return String.Format("Build #{0} queued.", build.Id);
if (!build.Finished.HasValue)
return String.Format("Build #{0} started.", build.Id);
if (!build.Succeeded.HasValue)
return String.Format("Build #{0} finished in {1} seconds.", build.Id, build.Started.Value.Until(build.Finished.Value));
if (build.Succeeded.Value)
return String.Format("Build #{0} succeeded in {1} seconds.", build.Id, build.Started.Value.Until(build.Finished.Value));
return String.Format("Build #{0} failed in {1} seconds.", build.Id, build.Started.Value.Until(build.Finished.Value));
}
public static bool RunBuild(
Build build,
string repositoryDirectory,
Action<string> log)
{
log("STEP: Running build command.");
Func<bool> step = () =>
{
using (var process = CreateProcess(
build.Command,
build.CommandArguments,
repositoryDirectory))
{
return RunProcess(process, log) == 0;
}
};
return RunStep(step, log);
}
internal static bool FetchRepository(
Build build,
string repositoryDirectory,
Action<string> log,
Func<string, string, string, Process> createProcess,
Func<string, string> createFetchRefspec,
Func<Process, Action<string>, int> runProcess)
{
log("STEP: Fetching repository.");
Func<bool> step = () =>
{
using (var process = createProcess(
"git.exe",
String.Concat("fetch origin ", createFetchRefspec(build.Ref)), repositoryDirectory))
{
return runProcess(process, log) == 0;
}
};
return RunStep(step, log);
}
public static string GetBuildDescription(Build build)
{
return(GetBuildDescription(build, false));
}
public static string GetBuildDescription(Build build)
{
return GetBuildDescription(build, false);
}
public static string GetRepositoryDirectory(Build build)
{
var repositoryDirectory = Path.Combine(GetRepositoryOwnerDirectory(build), build.RepositoryName);
return(repositoryDirectory);
}
public static string GetBuildDescription(Build build, bool includeRefDescription)
{
return GetBuildDescription(build, includeRefDescription, DateTimeOffset.UtcNow);
}
public static string GetRepositoryOwnerDirectory(Build build)
{
var repositoryOwnerDirectory = Path.Combine(GetRepositoriesDirectory(), build.RepositoryOwner);
EnsureDirectoryExists(repositoryOwnerDirectory);
return repositoryOwnerDirectory;
}
public static bool GetHeadSha(
Build build,
string repositoryDirectory,
Action<string> log)
{
if (build == null) throw new ArgumentNullException("build");
if (String.IsNullOrEmpty(repositoryDirectory)) throw new ArgumentNullException("repositoryDirectory");
if (log == null) throw new ArgumentNullException("log");
log("STEP: Getting HEAD's SHA.");
return RunStep(() =>
{
if (!string.IsNullOrEmpty(build.Revision))
{
log(String.Format("Build #{0} already has a SHA. Skipping.", build.Id));
return true;
}
var repo = (LibGit2Sharp.Repository)null;
try
{
repo = new LibGit2Sharp.Repository(repositoryDirectory);
}
catch (Exception ex)
{
log(String.Format("ERROR: Could not get repository at {0} via LibGit2Sharp. Exception: ", repositoryDirectory));
log(ex.ToString());
return false;
}
var head = (LibGit2Sharp.Reference)null;
try
{
string @ref;
if (build.Ref.StartsWith("refs/heads/", StringComparison.OrdinalIgnoreCase))
{
var branch = build.Ref.Substring(11);
@ref = String.Format("refs/remotes/origin/{0}", branch);
}
else if (build.Ref.StartsWith("refs/pull", StringComparison.OrdinalIgnoreCase))
{
var slashafterPrNumberIndex = build.Ref.IndexOf("/", 10, StringComparison.InvariantCultureIgnoreCase);
var prNumber = build.Ref.Substring(10, slashafterPrNumberIndex - 10);
@ref = String.Concat("refs/remotes/origin/pr/", prNumber);
}
else
{
throw new InvalidOperationException(String.Format("Unexpected type of ref: {0}.", build.Ref));
}
head = repo.Refs[@ref];
if (head == null)
throw new InvalidOperationException(String.Format("The specified ref, '{0}', does not exist.", @ref));
}
catch (Exception ex)
{
log(String.Format("ERROR: Could not get HEAD for ref {0}. Exception: ", build.Ref));
log(ex.ToString());
return false;
}
log(String.Format("Setting SHA to {0}.", head.TargetIdentifier));
SetBuildRevision(build, head.TargetIdentifier);
return true;
}, log);
}
public static string GetBuildDescription(Build build, bool includeRefDescription)
{
return(GetBuildDescription(build, includeRefDescription, DateTimeOffset.UtcNow));
}
public static string GetRepositoryDirectory(Build build)
{
var repositoryDirectory = Path.Combine(GetRepositoryOwnerDirectory(build), build.RepositoryName);
return repositoryDirectory;
}
