public IList<Gem> InstallGem(string gemname, Action<string> output)
{
IList<Gem> gems = new List<Gem>();
// build list of gems and assemblies installed by nu in _root/lib
output("> nu install " + gemname);
foreach (var line in _runner.Run("cmd.exe", "/c nu install " + gemname, _rootPath))
{
output(line);
if (line.StartsWith("Copy To:"))
{
var installPath = line.Substring(9).Replace("/", "\\");
var name = Path.GetFileName(installPath);
var gem = new Gem { Name = name };
if (!gems.Contains(gem))
{
gems.Add(gem);
getAssemblies(gem, installPath);
}
}
}
// for each gem, auto reference gems with 1 assembly (or configured auto-ref)
// return rest to prompt user
foreach (var gem in gems)
{
// if only 1 assembly in this gem, auto reference it
if (gem.Assemblies.Count == 1 || gem.IsAutoReferenced)
{
foreach (var assembly in gem.Assemblies)
{
output("Adding Reference: " + assembly);
_project.AddReference(assembly);
gem.IsReferenced = true;
}
}
}
return gems;
}
public IEnumerable<Gem> SearchGems(string query, Action<string> output)
{
var gems = new List<Gem>();
output("> " + _config.GemSearchCommand(query));
var remoteGems = false;
foreach (var line in _runner.Run("cmd.exe", "/c " + _config.GemSearchCommand(query)))
{
output(line);
if (line == "*** REMOTE GEMS ***")
{
remoteGems = true;
continue;
}
// parse line
var m = Regex.Match(line, "(.+?)\\s\\((.+?)\\)");
if (!m.Success) continue;
var gem = new Gem
{
Name = m.Groups[1].Value,
Version = m.Groups[2].Value,
IsRemote = remoteGems
};
if (!gems.Contains(gem))
{
gems.Add(gem);
}
}
return gems;
}
private void getAssemblies(Gem gem, string installPath)
{
if (!_fs.FolderExists(installPath)) return;
var currentFrameworkVersion = 0;
// check for framework folders
foreach (var folder in _fs.GetFolders(installPath))
{
var version = GetTargetFrameworkVersion(Path.GetFileName(folder));
if (version != 0 && version > currentFrameworkVersion && version <= _targetFramework)
{
currentFrameworkVersion = version;
installPath = folder;
}
}
// look for auto-ref
var autoref = _config.AutoReferences.FirstOrDefault(a => a.GemName == gem.Name);
if (autoref != null)
{
gem.IsAutoReferenced = true;
foreach (var path in autoref.Assemblies)
{
var filePath = path.Replace("/", "\\");
// strip leading /
if (filePath.StartsWith("\\")) filePath = filePath.Substring(1);
// if ends with * then add all in path
if (filePath.EndsWith("*"))
{
foreach (var filename in _fs.GetFiles(Path.Combine(installPath, Path.GetDirectoryName(filePath))))
{
if (filename.EndsWith(".dll"))
{
gem.Assemblies.Add(filename);
}
}
}
else
{
gem.Assemblies.Add(Path.Combine(installPath, filePath));
}
}
}
else
{
foreach (var filename in _fs.GetFiles(installPath))
{
if (filename.EndsWith(".dll"))
{
gem.Assemblies.Add(filename);
}
}
}
}
public IEnumerable<Gem> ListGems()
{
var gems = new List<Gem>();
foreach (var line in _runner.Run("cmd.exe", "/c " + _config.GemListCommand()))
{
// parse line
var m = Regex.Match(line, "(.+?)\\s\\((.+?)\\)");
if (!m.Success) continue;
var gem = new Gem
{
Name = m.Groups[1].Value,
Version = m.Groups[2].Value
};
getAssemblies(gem, Path.Combine(_libPath, gem.Name));
gems.Add(gem);
if (gem.Assemblies.Count == 0) continue;
// count how many assemblies of this gem are currently referenced in project
var refCount = gem.Assemblies.Count(filename => _project.HasReference(filename));
// if assembly count equals ref count then gem is referenced
if (gem.Assemblies.Count == refCount)
{
gem.IsReferenced = true;
}
}
return gems;
}