protected override void Execute(GSDEnlistment enlistment)
{
string errorMessage = null;
string mountExecutableLocation = null;
using (JsonTracer tracer = new JsonTracer(GSDConstants.GSDEtwProviderName, "ExecuteMount"))
{
PhysicalFileSystem fileSystem = new PhysicalFileSystem();
GitRepo gitRepo = new GitRepo(tracer, enlistment, fileSystem);
GSDContext context = new GSDContext(tracer, fileSystem, gitRepo, enlistment);
if (!HooksInstaller.InstallHooks(context, out errorMessage))
{
this.ReportErrorAndExit("Error installing hooks: " + errorMessage);
}
CacheServerInfo cacheServer = this.ResolvedCacheServer ?? CacheServerResolver.GetCacheServerFromConfig(enlistment);
tracer.AddLogFileEventListener(
GSDEnlistment.GetNewGSDLogFileName(enlistment.GSDLogsRoot, GSDConstants.LogFileTypes.MountVerb),
EventLevel.Verbose,
Keywords.Any);
tracer.WriteStartEvent(
enlistment.EnlistmentRoot,
enlistment.RepoUrl,
cacheServer.Url,
new EventMetadata
{
{ "Unattended", this.Unattended },
{ "IsElevated", GSDPlatform.Instance.IsElevated() },
{ "NamedPipeName", enlistment.NamedPipeName },
{ nameof(this.EnlistmentRootPathParameter), this.EnlistmentRootPathParameter },
});
RetryConfig retryConfig = null;
ServerGSDConfig serverGSDConfig = this.DownloadedGSDConfig;
if (!this.SkipVersionCheck)
{
string authErrorMessage;
if (!this.TryAuthenticate(tracer, enlistment, out authErrorMessage))
{
this.Output.WriteLine(" WARNING: " + authErrorMessage);
this.Output.WriteLine(" Mount will proceed, but new files cannot be accessed until GSD can authenticate.");
}
if (serverGSDConfig == null)
{
if (retryConfig == null)
{
retryConfig = this.GetRetryConfig(tracer, enlistment);
}
serverGSDConfig = this.QueryGSDConfig(tracer, enlistment, retryConfig);
}
this.ValidateClientVersions(tracer, enlistment, serverGSDConfig, showWarnings: true);
CacheServerResolver cacheServerResolver = new CacheServerResolver(tracer, enlistment);
cacheServer = cacheServerResolver.ResolveNameFromRemote(cacheServer.Url, serverGSDConfig);
this.Output.WriteLine("Configured cache server: " + cacheServer);
}
this.InitializeLocalCacheAndObjectsPaths(tracer, enlistment, retryConfig, serverGSDConfig, cacheServer);
if (!this.ShowStatusWhileRunning(
() => { return(this.PerformPreMountValidation(tracer, enlistment, out mountExecutableLocation, out errorMessage)); },
"Validating repo"))
{
this.ReportErrorAndExit(tracer, errorMessage);
}
if (!this.SkipVersionCheck)
{
string error;
if (!RepoMetadata.TryInitialize(tracer, enlistment.DotGSDRoot, out error))
{
this.ReportErrorAndExit(tracer, error);
}
try
{
GitProcess git = new GitProcess(enlistment);
this.LogEnlistmentInfoAndSetConfigValues(tracer, git, enlistment);
}
finally
{
RepoMetadata.Shutdown();
}
}
if (!this.ShowStatusWhileRunning(
() => { return(this.TryMount(tracer, enlistment, mountExecutableLocation, out errorMessage)); },
"Mounting"))
{
this.ReportErrorAndExit(tracer, errorMessage);
}
if (!this.Unattended)
{
tracer.RelatedInfo($"{nameof(this.Execute)}: Registering for automount");
if (this.ShowStatusWhileRunning(
() => { return(this.RegisterMount(enlistment, out errorMessage)); },
"Registering for automount"))
{
tracer.RelatedInfo($"{nameof(this.Execute)}: Registered for automount");
}
else
{
this.Output.WriteLine(" WARNING: " + errorMessage);
tracer.RelatedInfo($"{nameof(this.Execute)}: Failed to register for automount");
}
}
}
}
private Result CreateClone(
ITracer tracer,
GSDEnlistment enlistment,
GitObjectsHttpRequestor objectRequestor,
GitRefs refs,
string branch)
{
Result initRepoResult = this.TryInitRepo(tracer, refs, enlistment);
if (!initRepoResult.Success)
{
return(initRepoResult);
}
PhysicalFileSystem fileSystem = new PhysicalFileSystem();
string errorMessage;
if (!this.TryCreateAlternatesFile(fileSystem, enlistment, out errorMessage))
{
return(new Result("Error configuring alternate: " + errorMessage));
}
GitRepo gitRepo = new GitRepo(tracer, enlistment, fileSystem);
GSDContext context = new GSDContext(tracer, fileSystem, gitRepo, enlistment);
GSDGitObjects gitObjects = new GSDGitObjects(context, objectRequestor);
if (!this.TryDownloadCommit(
refs.GetTipCommitId(branch),
enlistment,
objectRequestor,
gitObjects,
gitRepo,
out errorMessage))
{
return(new Result(errorMessage));
}
if (!GSDVerb.TrySetRequiredGitConfigSettings(enlistment) ||
!GSDVerb.TrySetOptionalGitConfigSettings(enlistment))
{
return(new Result("Unable to configure git repo"));
}
CacheServerResolver cacheServerResolver = new CacheServerResolver(tracer, enlistment);
if (!cacheServerResolver.TrySaveUrlToLocalConfig(objectRequestor.CacheServer, out errorMessage))
{
return(new Result("Unable to configure cache server: " + errorMessage));
}
GitProcess git = new GitProcess(enlistment);
string originBranchName = "origin/" + branch;
GitProcess.Result createBranchResult = git.CreateBranchWithUpstream(branch, originBranchName);
if (createBranchResult.ExitCodeIsFailure)
{
return(new Result("Unable to create branch '" + originBranchName + "': " + createBranchResult.Errors + "\r\n" + createBranchResult.Output));
}
File.WriteAllText(
Path.Combine(enlistment.WorkingDirectoryBackingRoot, GSDConstants.DotGit.Head),
"ref: refs/heads/" + branch);
if (!this.TryDownloadRootGitAttributes(enlistment, gitObjects, gitRepo, out errorMessage))
{
return(new Result(errorMessage));
}
this.CreateGitScript(enlistment);
string installHooksError;
if (!HooksInstaller.InstallHooks(context, out installHooksError))
{
tracer.RelatedError(installHooksError);
return(new Result(installHooksError));
}
// TODO: Move this to be after the mount?
GitProcess.Result forceCheckoutResult = git.ForceCheckout(branch);
if (forceCheckoutResult.ExitCodeIsFailure && forceCheckoutResult.Errors.IndexOf("unable to read tree") > 0)
{
// It is possible to have the above TryDownloadCommit() fail because we
// already have the commit and root tree we intend to check out, but
// don't have a tree further down the working directory. If we fail
// checkout here, its' because we don't have these trees and the
// read-object hook is not available yet. Force downloading the commit
// again and retry the checkout.
if (!this.TryDownloadCommit(
refs.GetTipCommitId(branch),
enlistment,
objectRequestor,
gitObjects,
gitRepo,
out errorMessage,
checkLocalObjectCache: false))
{
return(new Result(errorMessage));
}
forceCheckoutResult = git.ForceCheckout(branch);
}
if (!RepoMetadata.TryInitialize(tracer, enlistment.DotGSDRoot, out errorMessage))
{
tracer.RelatedError(errorMessage);
return(new Result(errorMessage));
}
try
{
RepoMetadata.Instance.SaveCloneMetadata(tracer, enlistment);
this.LogEnlistmentInfoAndSetConfigValues(tracer, git, enlistment);
}
catch (Exception e)
{
tracer.RelatedError(e.ToString());
return(new Result(e.Message));
}
finally
{
RepoMetadata.Shutdown();
}
return(new Result(true));
}