/// <summary>
/// Merge a single package into the system.
/// </summary>
/// <param name="mea">merge event arguments</param>
/// <param name="mopts">merge options</param>
/// <param name="downloader">the downloader</param>
/// <param name="rootdir">root directory</param>
private void MergeOne(MergeEventArgs mea, MergeOptions mopts, Downloader downloader, DirectoryInfo rootdir)
{
IDistribution dist = mea.Distribution;
uint rc = 0;
if (mopts.HasFlag(MergeOptions.Pretend)) {
if (this.OnPretendMerge != null)
this.OnPretendMerge.Invoke(this, mea);
return;
}
if (this.OnRealMerge != null)
this.OnRealMerge.Invoke(this, mea);
if (mea.HardMask || mea.KeywordMask)
throw new MaskedPackageException(mea.Distribution.Package.FullName);
if (dist.PlatformSources.Length > 0) {
if (mea.FetchHandle != Guid.Empty && !downloader.Peek(mea.FetchHandle)) {
_log.Info("Fetching files in the background... please wait");
_log.InfoFormat("See {0} for fetch progress", downloader.LogFile);
downloader.WaitFor(mea.FetchHandle);
}
_log.InfoFormat("Checking package digests");
foreach (SourceFile src in dist.PlatformSources) {
FileInfo distfile = new FileInfo(_cfg.DistFilesDir + @"\" + src.LocalName);
if (!Md5Sum.Check(distfile.FullName, src.Digest, Md5Sum.MD5SUMMODE.BINARY)) {
_log.ErrorFormat("Digest check failed for {0}", distfile.FullName);
throw new InstallException("Computed digest doesn't match expected value.");
}
}
}
if (mopts.HasFlag(MergeOptions.FetchOnly))
return;
SandboxDirectory sbox = SandboxDirectory.Create();
_log.DebugFormat("Created sandbox directory: {0}", sbox.Root.FullName);
IInstallProject installer = dist.GetInstallProject(sbox);
if (installer == null)
throw new InstallException("Encountered missing or invalid installer project.");
bool runmake = installer.HasSrcUnpackTarget ||
installer.HasSrcCompileTarget ||
installer.HasSrcInstallTarget ||
installer.HasSrcTestTarget;
if (runmake && (rc = this.SpawnSandboxHost(sbox, installer)) != 0) {
_log.DebugFormat("sandbox host return code: {0}", rc);
throw new InstallException("Installation failed. See previous errors.");
}
if (this.OnInstall != null)
this.OnInstall.Invoke(this, mea);
if (_cfg.CollisionDetect && this.DetectCollisions(sbox.ImageDir, dist.Atom))
throw new InstallException("File collision(s) were detected.");
if (mea.Previous != null) {
_log.Debug("Trashing files from previous installation");
FileTuple[] oldfiles = _pkgmgr.QueryPackageFiles(mea.Previous);
foreach (FileTuple ft in oldfiles) {
if (ft.Item2 != FileType.Directory || !this.IsProtected(ft.Item1))
TrashWorker.AddFile(ft.Item1, _pkgmgr);
}
}
FileTuple[] files = null;
FileTuple[] shortcuts = null;
if (installer.HasPkgPreInstTarget) {
_log.Info("Executing pre-install tasks...");
installer.PkgPreInst();
}
IntPtr wow64oldval = IntPtr.Zero;
if (Environment.Is64BitOperatingSystem && !Environment.Is64BitProcess) {
if (!Wow64DisableWow64FsRedirection(out wow64oldval))
throw new InstallException("Failed to disable Wow64 file system redirection.");
}
try {
this.InstallImage(sbox.ImageDir, rootdir, out files);
} finally {
if (Environment.Is64BitOperatingSystem && !Environment.Is64BitProcess)
Wow64RevertWow64FsRedirection(wow64oldval);
}
this.InstallImage(
sbox.LinkDir,
new DirectoryInfo(Environment.GetFolderPath(Environment.SpecialFolder.CommonStartMenu)),
out shortcuts);
FileTuple[] allfiles = files.Union(shortcuts).ToArray();
Dictionary<string, string> metadata = new Dictionary<string, string>();
metadata.Add("repository", dist.PortsTree.Repository);
_pkgmgr.RecordPackage(dist, installer, allfiles, metadata.ToArray());
if (installer.HasPkgPostInstTarget) {
_log.Info("Executing post-install tasks...");
installer.PkgPostInst();
}
if (mea.Selected) {
_log.InfoFormat("Recording {0} in world favourites", dist.Package.FullName);
_pkgmgr.SelectPackage(dist.Atom);
}
_log.Debug("Destroying the sandbox...");
sbox.Delete();
}