From ca808bf8a20219b556ba0bd829d25b21ba81ab20 Mon Sep 17 00:00:00 2001
From: Bdale Garbee <bdale@gag.com>
Date: Mon, 1 Apr 2013 09:51:00 -0600
Subject: [PATCH] include tarcat in the package

---
 debian/changelog |  2 ++
 debian/rules     |  1 +
 debian/tarcat    | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 45 insertions(+)
 create mode 100644 debian/tarcat

diff --git a/debian/changelog b/debian/changelog
index 7669dfa1..961f213f 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -6,6 +6,8 @@ tar (1.26+dfsg-5) UNRELEASED; urgency=low
 
   [ Bdale Garbee ]
   * update mailcap entries to use %s, closes: #681302
+  * include the http://www.gnu.org/software/tar/utils/tarcat script for use 
+    with multi-volume archives, closes: #492036
 
  -- Bdale Garbee <bdale@gag.com>  Mon, 01 Apr 2013 09:17:04 -0600
 
diff --git a/debian/rules b/debian/rules
index d978367b..241026ed 100755
--- a/debian/rules
+++ b/debian/rules
@@ -63,6 +63,7 @@ install: build
 		libexecdir=`pwd`/debian/tar/usr/sbin 
 	install -m 755 debian/rmt.sh debian/tar/etc/rmt
 	mv debian/tar/usr/sbin/rmt debian/tar/usr/sbin/rmt-tar
+	install -m 755 debian/tarcat debian/tar/usr/sbin/tarcat
 
 # Build architecture-independent files here.
 binary-indep: build install
diff --git a/debian/tarcat b/debian/tarcat
new file mode 100644
index 00000000..5c2671a1
--- /dev/null
+++ b/debian/tarcat
@@ -0,0 +1,42 @@
+#! /bin/sh
+# Usage: tarcat volume1 volume2 ...
+# concatenates a GNU tar multi-volume archive into a single tar archive.
+# Author: Bruno Haible <bruno@clisp.org>, Sergey Poznyakoff <gray@gnu.org.ua>
+
+# dump_type FILE [N]
+# Print type character from block N (default 0) of tar archive FILE
+dump_type() {
+  dd if="$1" skip=${2:-0} bs=512 count=1 2>/dev/null |
+    tr '\0' ' ' |
+    cut -c157
+}
+
+case `dump_type "$1"` in
+  [gx]) PAX=1;;
+esac
+
+cat "$1"
+shift
+for f
+do
+  SKIP=0
+  T=`dump_type "$f"`
+  if [ -n "$PAX" ]; then
+    if [ "$T" = "g" ]; then
+      # Global extended header.... 2 blocks
+      # Extended header........... 2 blocks
+      # Ustar header.............. 1 block
+      # FIXME: This calculation is will fail for very long file names.
+      SKIP=5
+    fi
+  else
+    if [ "$T" = "V" ]; then
+      T=`dump_type "$f" 1`
+    fi
+    if [ "$T" = "M" ]; then
+      SKIP=$(($SKIP + 1))
+    fi  
+  fi
+  dd skip=$SKIP if="$f" 
+done
+
-- 
2.30.2