public string GetLatestVersion(bool ignorePrerelease)
{
IEnumerable <string> allVersions = null;
if (DirectoryProxy.Exists(NugetSource))
{
var paketPrefix = "paket.";
allVersions = DirectoryProxy.
EnumerateFiles(NugetSource, "paket.*.nupkg", SearchOption.TopDirectoryOnly).
Select(x => Path.GetFileNameWithoutExtension(x)).
// If the specified character isn't a digit, then the file
// likely contains the bootstrapper or paket.core
Where(x => x.Length > paketPrefix.Length && Char.IsDigit(x[paketPrefix.Length])).
Select(x => x.Substring(paketPrefix.Length));
}
else
{
var apiHelper = new NugetApiHelper(PaketNugetPackageName, NugetSource);
var versionRequestUrl = apiHelper.GetAllPackageVersions(!ignorePrerelease);
var versions = WebRequestProxy.DownloadString(versionRequestUrl);
allVersions = versions.
Trim('[', ']').
Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries).
Select(x => x.Trim('"'));
}
var latestVersion = allVersions.
Select(SemVer.Create).
Where(x => !ignorePrerelease || (x.PreRelease == null)).
OrderBy(x => x).
LastOrDefault(x => !String.IsNullOrWhiteSpace(x.Original));
return(latestVersion != null ? latestVersion.Original : String.Empty);
}
public void DownloadVersion(string latestVersion, string target)
{
var apiHelper = new NugetApiHelper(PaketNugetPackageName, NugetSource);
const string paketNupkgFile = "paket.latest.nupkg";
const string paketNupkgFileTemplate = "paket.{0}.nupkg";
var paketDownloadUrl = apiHelper.GetLatestPackage();
var paketFile = paketNupkgFile;
if (!String.IsNullOrWhiteSpace(latestVersion))
{
paketDownloadUrl = apiHelper.GetSpecificPackageVersion(latestVersion);
paketFile = String.Format(paketNupkgFileTemplate, latestVersion);
}
var randomFullPath = Path.Combine(Folder, Path.GetRandomFileName());
DirectoryProxy.CreateDirectory(randomFullPath);
var paketPackageFile = Path.Combine(randomFullPath, paketFile);
if (DirectoryProxy.Exists(NugetSource))
{
if (String.IsNullOrWhiteSpace(latestVersion))
{
latestVersion = GetLatestVersion(false);
}
var sourcePath = Path.Combine(NugetSource, String.Format(paketNupkgFileTemplate, latestVersion));
ConsoleImpl.WriteDebug("Starting download from {0}", sourcePath);
FileProxy.Copy(sourcePath, paketPackageFile);
}
else
{
ConsoleImpl.WriteDebug("Starting download from {0}", paketDownloadUrl);
WebRequestProxy.DownloadFile(paketDownloadUrl, paketPackageFile);
}
FileProxy.ExtractToDirectory(paketPackageFile, randomFullPath);
var paketSourceFile = Path.Combine(randomFullPath, "tools", "paket.exe");
FileProxy.Copy(paketSourceFile, target, true);
DirectoryProxy.Delete(randomFullPath, true);
}
public void SelfUpdate(string latestVersion)
{
string target = Assembly.GetExecutingAssembly().Location;
var localVersion = FileProxy.GetLocalFileVersion(target);
if (localVersion.StartsWith(latestVersion))
{
ConsoleImpl.WriteDebug("Bootstrapper is up to date. Nothing to do.");
return;
}
var apiHelper = new NugetApiHelper(PaketBootstrapperNugetPackageName, NugetSource);
const string paketNupkgFile = "paket.bootstrapper.latest.nupkg";
const string paketNupkgFileTemplate = "paket.bootstrapper.{0}.nupkg";
var getLatestFromNugetUrl = apiHelper.GetLatestPackage();
var paketDownloadUrl = getLatestFromNugetUrl;
var paketFile = paketNupkgFile;
if (!String.IsNullOrWhiteSpace(latestVersion))
{
paketDownloadUrl = apiHelper.GetSpecificPackageVersion(latestVersion);
paketFile = String.Format(paketNupkgFileTemplate, latestVersion);
}
var randomFullPath = Path.Combine(Folder, Path.GetRandomFileName());
DirectoryProxy.CreateDirectory(randomFullPath);
var paketPackageFile = Path.Combine(randomFullPath, paketFile);
if (DirectoryProxy.Exists(NugetSource))
{
if (String.IsNullOrWhiteSpace(latestVersion))
{
latestVersion = GetLatestVersion(false);
}
var sourcePath = Path.Combine(NugetSource, String.Format(paketNupkgFileTemplate, latestVersion));
ConsoleImpl.WriteDebug("Starting download from {0}", sourcePath);
FileProxy.Copy(sourcePath, paketPackageFile);
}
else
{
ConsoleImpl.WriteDebug("Starting download from {0}", paketDownloadUrl);
WebRequestProxy.DownloadFile(paketDownloadUrl, paketPackageFile);
}
FileProxy.ExtractToDirectory(paketPackageFile, randomFullPath);
var paketSourceFile = Path.Combine(randomFullPath, "tools", "paket.bootstrapper.exe");
var renamedPath = BootstrapperHelper.GetTempFile("oldBootstrapper");
try
{
FileProxy.FileMove(target, renamedPath);
FileProxy.FileMove(paketSourceFile, target);
ConsoleImpl.WriteDebug("Self update of bootstrapper was successful.");
}
catch (Exception)
{
ConsoleImpl.WriteDebug("Self update failed. Resetting bootstrapper.");
FileProxy.FileMove(renamedPath, target);
throw;
}
DirectoryProxy.Delete(randomFullPath, true);
}