private string GetDotnetPackageRelativePath(DotNetDistributionParameters parms)
{
switch (parms.Runtime)
{
case DotNetRuntime.NETCore:
return(m_filesystem.Path.Combine("shared", "Microsoft.NETCore.App"));
case DotNetRuntime.AspNetCore:
return(m_filesystem.Path.Combine("shared", "Microsoft.AspNetCore.App"));
default:
throw BadRuntime(parms.Runtime);
}
}
private string GetAssetName(DotNetDistributionParameters parms)
{
switch (parms.Runtime)
{
case DotNetRuntime.NETCore:
return(".NET Core Runtime");
case DotNetRuntime.AspNetCore:
return("ASP.NET Core Runtime");
default:
throw BadRuntime(parms.Runtime);
}
}
private Uri BuildLatestVersionLink(DotNetDistributionParameters parms, string feed, string channel)
{
var ext = GetArchiveExtension(parms);
switch (parms.Runtime)
{
case DotNetRuntime.NETCore:
return(new Uri($"{feed}/Runtime/{channel}/latest.version"));
case DotNetRuntime.AspNetCore:
return(new Uri($"{feed}/aspnetcore/Runtime/{channel}/latest.version"));
default:
throw BadRuntime(parms.Runtime);
}
}
private Uri BuildDownloadLink(DotNetDistributionParameters parms, string feed, string specificVersion, string arch)
{
var ext = GetArchiveExtension(parms);
switch (parms.Runtime)
{
case DotNetRuntime.NETCore:
return(new Uri($"{feed}/Runtime/{specificVersion}/dotnet-runtime-{specificVersion}-{parms.Platform}-{arch}.{ext}"));
case DotNetRuntime.AspNetCore:
return(new Uri($"{feed}/aspnetcore/Runtime/{specificVersion}/aspnetcore-runtime-{specificVersion}-{parms.Platform}-{arch}.{ext}"));
default:
throw BadRuntime(parms.Runtime);
}
}
private string GetArchiveExtension(DotNetDistributionParameters parms)
{
var platform = parms.Platform?.ToLower();
if (platform == DotNetPlatform.Windows)
{
return("zip");
}
else if (platform == DotNetPlatform.MacOS || platform == DotNetPlatform.Linux)
{
return("tar.gz");
}
else
{
throw BadPlatform(platform);
}
}
private async Task <string> ResolveVersion(DotNetDistributionParameters parms, string requestedVersion)
{
string resolvedVersion;
var s = requestedVersion.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries);
if (s.Length == 2)
{
var channel = requestedVersion;
parms.Log?.Invoke($"Looking for latest version in series {channel}...");
var uri = BuildLatestVersionLink(parms, parms.UncachedFeed, channel);
var tmpPath = m_filesystem.Path.GetTempFileName();
await DownloadFile(uri, tmpPath);
var versionText = m_filesystem.File.ReadAllText(tmpPath);
var entries = versionText.Split(new string[0], StringSplitOptions.RemoveEmptyEntries);
var commitHash = entries[0];
resolvedVersion = entries[1];
parms.Log?.Invoke($"Found {resolvedVersion} ({commitHash})");
}
else if (s.Length == 3)
{
resolvedVersion = requestedVersion;
}
else
{
throw new DotNetCoreInstallerException($"Unhandled or unrecognized requested version syntax: {requestedVersion}");
}
return(resolvedVersion);
}
public async Task InstallStandalone(DotNetDistributionParameters parms)
{
try
{
var assetName = GetAssetName(parms);
var dotnetPackageRelativePath = GetDotnetPackageRelativePath(parms);
var arch = parms.Architecture;
parms.Log?.Invoke($"Install of {assetName} {parms.Platform}-{arch} v{parms.Version} requested.");
var pkgRoot = m_filesystem.Path.Combine(parms.InstallDir, dotnetPackageRelativePath);
if (m_filesystem.Directory.Exists(pkgRoot))
{
var matchingVersions = m_filesystem.Directory.GetDirectories(pkgRoot, parms.Version + "*");
if (!parms.Force && matchingVersions.Length > 0)
{
// There may be more than one matching version, but there is also
// at least the first one; this message may be incomplete but it
// is true and sufficient for the purpose.
parms.Log?.Invoke($"Skipping installation: {assetName} version {Path.GetFileName(matchingVersions[0])} is already installed at {parms.InstallDir}.");
return;
}
}
var specificVersion = await ResolveVersion(parms, parms.Version);
var uri = BuildDownloadLink(parms, parms.CachedFeed, specificVersion, arch);
var pkgPath = m_filesystem.Path.Combine(parms.InstallDir, dotnetPackageRelativePath, specificVersion);
if (!parms.Force && m_filesystem.Directory.Exists(pkgPath))
{
parms.Log?.Invoke($"Skipping installation: {assetName} version {specificVersion} is already installed.");
return;
}
parms.Log?.Invoke($"Installing {assetName} {parms.Platform}-{arch} v{specificVersion} to {parms.InstallDir}...");
// NOTE: Forward slashes are allowed on Windows and required on Unixes,
// so just always use them here instead of trying to adapt.
var installDir = Path.GetFullPath(parms.InstallDir).Replace('\\', '/');
m_filesystem.Directory.CreateDirectory(parms.InstallDir);
var zipPath = m_filesystem.Path.GetTempFileName() + GetArchiveExtension(parms);
await DownloadFile(uri, zipPath);
await ExtractFile(zipPath, parms.InstallDir, parms.Force);
if (!m_filesystem.Directory.Exists(pkgPath))
{
throw new DotNetCoreInstallerException($"{assetName} version {specificVersion} failed to install with an unknown error.");
}
m_filesystem.File.Delete(zipPath);
parms.Log?.Invoke($"Installation Complete.");
}
catch (Exception exc) when(!(exc is DotNetCoreInstallerException))
{
throw new DotNetCoreInstallerException("Unexpected error during installation. See the inner exception.", exc);
}
}
public static int Main(string[] args)
{
ConsoleColor.Enable();
var app = new CommandLineApplication();
app.Name = "dotnet install";
app.Description = "Performs standalone .NET Core installation.";
app.HelpOption("-h|--help");
app.ExtendedHelpText = @"
The -v option is required. Passing just a major and minor
version will cause the app to download the latest published
version in that series.
Example: ""-v 2.1.4"" will install exactly version 2.1.4
""-v 2.1"" may install 2.1.0, 2.1.6, etc. - whatever
the latest in the 2.1 series is.
";
var installDirOption = app.Option("-i|--install-dir <INSTALL>", "Where to install", CommandOptionType.SingleValue);
var runtimeOption = app.Option("-r|--runtime <RUNTIME>", "The runtime to install (dotnet or aspnet)", CommandOptionType.SingleValue);
var platformOption = app.Option("-p|--platform <PLATFORM>", "The platform to install for (win, osx, linux or android)", CommandOptionType.SingleValue);
var archOption = app.Option("-a|--arch <ARCH>", "The OS architecture to install for (x64 or x86)", CommandOptionType.SingleValue);
var versionOption = app.Option("-v|--version <PLATFORM>", "What version to install (e.g., 2.1 or 2.1.4)", CommandOptionType.SingleValue);
var forceOption = app.Option("-f|--force ", "Force reinstallation", CommandOptionType.NoValue);
app.OnExecute(async() =>
{
try
{
var installDir = installDirOption.Value() ?? Directory.GetCurrentDirectory();
var runtime = GetRuntime(runtimeOption.Value());
var platform = platformOption.Value() ?? GetCurrentPlatform();
var arch = archOption.Value() ?? GetCurrentArchitecture();
var version = versionOption.Value() ?? throw new UsageException("The -v|--version parameter is required.");
installDir = Path.GetFullPath(installDir);
var parms = new DotNetDistributionParameters(installDir, platform, arch, version)
{
Force = forceOption.HasValue(),
Runtime = runtime,
Log = (s) => Log(s)
};
var installer = new DotNetCoreInstaller();
await installer.InstallStandalone(parms);
}
catch (UsageException exc)
{
Console.Error.WriteLine($"{Red("Error: ")} {exc.Message}");
Console.Error.WriteLine($"Try: {White("dotnet install -h")}");
}
catch (Exception exc)
{
var e = exc;
while (e != null)
{
Console.Error.WriteLine($"{Red("Exception:")} {e.Message}");
Console.Error.WriteLine(Gray(e.StackTrace));
Console.Error.WriteLine();
e = e.InnerException;
}
}
return(0);
});
return(app.Execute(args));
}