/// <summary>Adds a file to the tar Archive</summary>
/// <param name="fullName">The file to add to the archive</param><param name="directory"></param>
public void AddFile(string fullName, string directory = null)
{
if (string.IsNullOrEmpty(directory))
{
directory = Path.GetDirectoryName(fullName);
}
// is it a symlink (ReparsePoint)?
FileAttributes a = File.GetAttributes(fullName);
if ((a & FileAttributes.ReparsePoint) != 0)
{
this.AddSymlink(fullName);
return;
}
if (this.TarOptions.StatusWriter != null)
{
this.TarOptions.StatusWriter.WriteLine("{0}", fullName);
}
HeaderBlock hb = HeaderBlock.CreateHeaderBlock();
string file = Path.Combine(directory, Path.GetFileName(fullName));
if (file == fullName)
{
file = Path.GetFileName(fullName);
}
hb.InsertName(file, fullName);
hb.TypeFlag = (byte)TarEntryType.File; // 0 + (byte)'0' ;
var fi = new FileInfo(fullName);
hb.SetSize((int)fi.Length);
hb.SetChksum();
byte[] block = this.Serializer.RawSerialize(hb);
this.outFS.Write(block, 0, block.Length);
using (FileStream fs = File.Open(fullName, FileMode.Open, FileAccess.Read))
{
Array.Clear(block, 0, block.Length);
while (fs.Read(block, 0, block.Length) > 0)
{
this.outFS.Write(block, 0, block.Length); // not n!!
Array.Clear(block, 0, block.Length);
}
}
}
/// <summary>Adds a symbolic link to a Tar archive</summary>
/// <param name="name">The filename of the symbolic link</param>
private void AddSymlink(string name)
{
if (this.TarOptions.StatusWriter != null)
{
this.TarOptions.StatusWriter.WriteLine("{0}", name);
}
// add the block for the symlink, right here.
HeaderBlock hb = HeaderBlock.CreateHeaderBlock();
hb.InsertName(name, null);
hb.InsertLinkName(name);
hb.TypeFlag = (byte)TarEntryType.SymbolicLink;
hb.SetSize(0);
hb.SetChksum();
byte[] block = this.Serializer.RawSerialize(hb);
this.outFS.Write(block, 0, block.Length);
}
/// <summary>Adds a directory to the tar archive</summary>
/// <param name="dirName">The path to the directory</param><param name="parent"></param>
public void AddDirectory(string dirName, string parent = null)
{
if (parent == null)
{
parent = dirName;
}
// insure trailing slash
if (!dirName.EndsWith(Path.DirectorySeparatorChar.ToString()))
{
dirName += Path.DirectorySeparatorChar;
}
if (this.TarOptions.StatusWriter != null)
{
this.TarOptions.StatusWriter.WriteLine("{0}", dirName);
}
string dir = dirName.Replace(parent, null).TrimSlash();
if (dir != string.Empty)
{
// add the block for the dir, right here.
HeaderBlock hb = HeaderBlock.CreateHeaderBlock();
hb.InsertName(dir, dirName);
hb.TypeFlag = 5 + (byte)'0';
hb.SetSize(0); // some impls use agg size of all files contained
hb.SetChksum();
byte[] block = this.Serializer.RawSerialize(hb);
this.outFS.Write(block, 0, block.Length);
}
// add the files:
string[] filenames = Directory.GetFiles(dirName);
foreach (string filename in filenames)
{
this.AddFile(filename, dir);
}
// add the subdirectories:
string[] dirnames = Directory.GetDirectories(dirName);
foreach (string d in dirnames)
{
// handle reparse points
FileAttributes a = File.GetAttributes(d);
if ((a & FileAttributes.ReparsePoint) == 0)
{
// not a symlink
this.AddDirectory(d, Path.GetDirectoryName(dirName));
}
else if (this.TarOptions.FollowSymLinks)
{
// isa symlink, and we want to follow it
this.AddDirectory(d, Path.GetDirectoryName(dirName));
}
else
{
// not following symlinks; add it
this.AddSymlink(d);
}
}
}
