From b50c15915ac5cca79e00bf438dacd074fe531978 Mon Sep 17 00:00:00 2001
From: Eric NOULARD <eric.noulard@gmail.com>
Date: Fri, 13 Aug 2010 17:49:47 +0200
Subject: Add ZIP archive format and LZMA compress support to
 libarchive-wrapper

This will be needed to use cmArchiveWrire in cmCPackArchiveGenerator
with the same feature set as before. Note that adding zip
support to libarchive-wrapper would also makes it easy to add
a new -E zip command to cmake commands.
---
 Source/cmArchiveWrite.cxx | 44 ++++++++++++++++++++++++++++++++++++++++----
 Source/cmArchiveWrite.h   | 12 ++++++++++--
 Source/cmSystemTools.cxx  |  3 ++-
 3 files changed, 52 insertions(+), 7 deletions(-)

diff --git a/Source/cmArchiveWrite.cxx b/Source/cmArchiveWrite.cxx
index 94c97e6..bea9586 100644
--- a/Source/cmArchiveWrite.cxx
+++ b/Source/cmArchiveWrite.cxx
@@ -47,7 +47,7 @@ struct cmArchiveWrite::Callback
 };
 
 //----------------------------------------------------------------------------
-cmArchiveWrite::cmArchiveWrite(std::ostream& os, Compress c):
+cmArchiveWrite::cmArchiveWrite(std::ostream& os, Compress c, Type t):
   Stream(os),
   Archive(archive_write_new()),
   Disk(archive_read_disk_new()),
@@ -79,11 +79,47 @@ cmArchiveWrite::cmArchiveWrite(std::ostream& os, Compress c):
         return;
         }
       break;
+    case CompressLZMA:
+      if(archive_write_set_compression_lzma(this->Archive) != ARCHIVE_OK)
+        {
+        this->Error = "archive_write_set_compression_lzma: ";
+        this->Error += archive_error_string(this->Archive);
+        return;
+        }
+      break;
     };
-  archive_read_disk_set_standard_lookup(this->Disk);
-  if(archive_write_set_format_pax_restricted(this->Archive) != ARCHIVE_OK)
+#if !defined(_WIN32) || defined(__CYGWIN__)
+  if (archive_read_disk_set_standard_lookup(this->Disk) != ARCHIVE_OK)
+    {
+    this->Error = "archive_read_disk_set_standard_lookup: ";
+    this->Error += archive_error_string(this->Archive);
+    return;;
+    }
+#endif
+  switch (t)
+    {
+    case TypeZIP:
+      if(archive_write_set_format_zip(this->Archive) != ARCHIVE_OK)
+        {
+        this->Error = "archive_write_set_format_zip: ";
+        this->Error += archive_error_string(this->Archive);
+        return;
+        }
+      break;
+    case TypeTAR:
+      if(archive_write_set_format_pax_restricted(this->Archive) != ARCHIVE_OK)
+        {
+        this->Error = "archive_write_set_format_pax_restricted: ";
+        this->Error += archive_error_string(this->Archive);
+        return;
+        }
+    break;
+    }
+
+  // do not pad the last block!!
+  if (archive_write_set_bytes_in_last_block(this->Archive, 1))
     {
-    this->Error = "archive_write_set_format_pax_restricted: ";
+    this->Error = "archive_write_set_bytes_in_last_block: ";
     this->Error += archive_error_string(this->Archive);
     return;
     }
diff --git a/Source/cmArchiveWrite.h b/Source/cmArchiveWrite.h
index 92c0c73..0bd3e9b 100644
--- a/Source/cmArchiveWrite.h
+++ b/Source/cmArchiveWrite.h
@@ -32,11 +32,19 @@ public:
   {
     CompressNone,
     CompressGZip,
-    CompressBZip2
+    CompressBZip2,
+    CompressLZMA
+  };
+
+  /** Archive Type */
+  enum Type
+  {
+    TypeTAR,
+    TypeZIP
   };
 
   /** Construct with output stream to which to write archive.  */
-  cmArchiveWrite(std::ostream& os, Compress c = CompressNone);
+  cmArchiveWrite(std::ostream& os, Compress c = CompressNone, Type = TypeTAR);
   ~cmArchiveWrite();
 
   /**
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index a26452c..0e0a770 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -1732,7 +1732,8 @@ bool cmSystemTools::CreateTar(const char* outFileName,
     }
   cmArchiveWrite a(fout, (gzip? cmArchiveWrite::CompressGZip :
                           (bzip2? cmArchiveWrite::CompressBZip2 :
-                           cmArchiveWrite::CompressNone)));
+                           cmArchiveWrite::CompressNone)),
+                           cmArchiveWrite::TypeTAR);
   a.SetVerbose(verbose);
   for(std::vector<cmStdString>::const_iterator i = files.begin();
       i != files.end(); ++i)
-- 
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