public override bool TryInstallGitCommandHooks(GVFSContext context, string executingDirectory, string hookName, string commandHookPath, out string errorMessage)
{
// The GitHooksLoader requires the following setup to invoke a hook:
// Copy GithooksLoader.exe to hook-name.exe
// Create a text file named hook-name.hooks that lists the applications to execute for the hook, one application per line
string gitHooksloaderPath = Path.Combine(executingDirectory, GVFSConstants.DotGit.Hooks.LoaderExecutable);
if (!HooksInstaller.TryHooksInstallationAction(
() => HooksInstaller.CopyHook(context, gitHooksloaderPath, commandHookPath + GVFSPlatform.Instance.Constants.ExecutableExtension),
out errorMessage))
{
errorMessage = "Failed to copy " + GVFSConstants.DotGit.Hooks.LoaderExecutable + " to " + commandHookPath + GVFSPlatform.Instance.Constants.ExecutableExtension + "\n" + errorMessage;
return(false);
}
if (!HooksInstaller.TryHooksInstallationAction(
() => WindowsGitHooksInstaller.CreateHookCommandConfig(context, hookName, commandHookPath),
out errorMessage))
{
errorMessage = "Failed to create " + commandHookPath + GVFSConstants.GitConfig.HooksExtension + "\n" + errorMessage;
return(false);
}
return(true);
}
public void MergeHooksDataThrowsOnFoundGVFSHooks()
{
Assert.Throws <HooksInstaller.HooksConfigurationException>(
() => HooksInstaller.MergeHooksData(
new string[] { "first", GVFSPlatform.Instance.Constants.GVFSHooksExecutableName },
Filename,
this.expectedAbsoluteGvfsHookPath));
}
public void MergeHooksDataThrowsOnFoundGSDHooks()
{
Assert.Throws<HooksInstaller.HooksConfigurationException>(
() => HooksInstaller.MergeHooksData(
new string[] { "first", GSDPlatform.Instance.Constants.GSDHooksExecutableName },
Filename,
GSDConstants.DotGit.Hooks.PreCommandHookName));
}
public void MergeHooksDataEmptyConfig()
{
string result = HooksInstaller.MergeHooksData(new string[] { }, Filename, GVFSConstants.DotGit.Hooks.PreCommandHookName);
IEnumerable <string> resultLines = result
.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)
.Where(line => !line.StartsWith("#"));
resultLines.Single().ShouldEqual(this.expectedAbsoluteGvfsHookPath);
}
public void MergeHooksDataEmptyConfig()
{
string result = HooksInstaller.MergeHooksData(new string[] { }, Filename, GSDConstants.DotGit.Hooks.PreCommandHookName);
IEnumerable<string> resultLines = result
.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)
.Where(line => !line.StartsWith("#"));
resultLines.Single().ShouldEqual(GSDPlatform.Instance.Constants.GSDHooksExecutableName);
}
public void MergeHooksDataDiscardBlankLines()
{
string result = HooksInstaller.MergeHooksData(new string[] { "first", "second", string.Empty, " " }, Filename, GVFSConstants.DotGit.Hooks.PreCommandHookName);
IEnumerable <string> resultLines = result
.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)
.Where(line => !line.StartsWith("#"));
resultLines.Count().ShouldEqual(3);
resultLines.ElementAt(0).ShouldEqual("first");
resultLines.ElementAt(1).ShouldEqual("second");
resultLines.ElementAt(2).ShouldEqual(this.expectedAbsoluteGvfsHookPath);
}
public void MergeHooksDataPostCommandFirst()
{
string result = HooksInstaller.MergeHooksData(new string[] { "first", "second" }, Filename, GVFSConstants.DotGit.Hooks.PostCommandHookName);
IEnumerable <string> resultLines = result
.Split(new char[] { '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)
.Where(line => !line.StartsWith("#"));
resultLines.Count().ShouldEqual(3);
resultLines.ElementAt(0).ShouldEqual(GVFSConstants.GVFSHooksExecutableName);
resultLines.ElementAt(1).ShouldEqual("first");
resultLines.ElementAt(2).ShouldEqual("second");
}
private static string MergeHooks(GVFSContext context, string configSettingName, string hookName)
{
GitProcess configProcess = new GitProcess(context.Enlistment);
string filename;
string[] defaultHooksLines = { };
if (configProcess.TryGetFromConfig(configSettingName, forceOutsideEnlistment: true, value: out filename) && filename != null)
{
filename = filename.Trim(' ', '\n');
defaultHooksLines = File.ReadAllLines(filename);
}
return(HooksInstaller.MergeHooksData(defaultHooksLines, filename, hookName));
}
public void Mount(EventLevel verbosity, Keywords keywords)
{
this.currentState = MountState.Mounting;
// We must initialize repo metadata before starting the pipe server so it
// can immediately handle status requests
string error;
if (!RepoMetadata.TryInitialize(this.tracer, this.enlistment.DotGVFSRoot, out error))
{
this.FailMountAndExit("Failed to load repo metadata: " + error);
}
string gitObjectsRoot;
if (!RepoMetadata.Instance.TryGetGitObjectsRoot(out gitObjectsRoot, out error))
{
this.FailMountAndExit("Failed to determine git objects root from repo metadata: " + error);
}
string localCacheRoot;
if (!RepoMetadata.Instance.TryGetLocalCacheRoot(out localCacheRoot, out error))
{
this.FailMountAndExit("Failed to determine local cache path from repo metadata: " + error);
}
string blobSizesRoot;
if (!RepoMetadata.Instance.TryGetBlobSizesRoot(out blobSizesRoot, out error))
{
this.FailMountAndExit("Failed to determine blob sizes root from repo metadata: " + error);
}
this.tracer.RelatedEvent(
EventLevel.Informational,
"CachePathsLoaded",
new EventMetadata
{
{ "gitObjectsRoot", gitObjectsRoot },
{ "localCacheRoot", localCacheRoot },
{ "blobSizesRoot", blobSizesRoot },
});
this.enlistment.InitializeCachePaths(localCacheRoot, gitObjectsRoot, blobSizesRoot);
using (NamedPipeServer pipeServer = this.StartNamedPipe())
{
this.tracer.RelatedEvent(
EventLevel.Informational,
$"{nameof(this.Mount)}_StartedNamedPipe",
new EventMetadata {
{ "NamedPipeName", this.enlistment.NamedPipeName }
});
this.context = this.CreateContext();
if (this.context.Unattended)
{
this.tracer.RelatedEvent(EventLevel.Critical, GVFSConstants.UnattendedEnvironmentVariable, null);
}
this.ValidateMountPoints();
string errorMessage;
if (!HooksInstaller.TryUpdateHooks(this.context, out errorMessage))
{
this.FailMountAndExit(errorMessage);
}
GVFSPlatform.Instance.ConfigureVisualStudio(this.enlistment.GitBinPath, this.tracer);
this.MountAndStartWorkingDirectoryCallbacks(this.cacheServer);
Console.Title = "GVFS " + ProcessHelper.GetCurrentProcessVersion() + " - " + this.enlistment.EnlistmentRoot;
this.tracer.RelatedEvent(
EventLevel.Informational,
"Mount",
new EventMetadata
{
// Use TracingConstants.MessageKey.InfoMessage rather than TracingConstants.MessageKey.CriticalMessage
// as this message should not appear as an error
{ TracingConstants.MessageKey.InfoMessage, "Virtual repo is ready" },
},
Keywords.Telemetry);
this.currentState = MountState.Ready;
this.unmountEvent.WaitOne();
}
}
public void MergeHooksDataThrowsOnFoundGVFSHooks()
{
Assert.Throws <HooksInstaller.HooksConfigurationException>(
() => HooksInstaller.MergeHooksData(new string[] { "first", "gvfs.hooks.exe" }, Filename, GVFSConstants.DotGit.Hooks.PreCommandHookName));
}
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));
}
