More generic untar for various type of data.tar*

build/install-build-deps.sh

 #!/bin/bash -e
 
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Script to install everything needed to build chromium (well, ideally, anyway)
 # See http://code.google.com/p/chromium/wiki/LinuxBuildInstructions
 # and http://code.google.com/p/chromium/wiki/LinuxBuild64Bit
 
@@ skipping 337 matching lines @@
     orig="$(echo "${tmp}/${i}"_*_i386.deb)"
     compat="$(echo "${orig}" |
               sed -e 's,\(_[^_/]*_\)i386\(.deb\),-ia32\1amd64\2,')"
     rm -rf "${tmp}/staging"
     msg="$(fakeroot -u sh -exc '
       # Unpack 32bit Debian archive
       umask 022
       mkdir -p "'"${tmp}"'/staging/dpkg/DEBIAN"
       cd "'"${tmp}"'/staging"
       ar x "'${orig}'"
-      tar zCfx dpkg data.tar.gz
+      tar Cfx dpkg data.tar*
       tar zCfx dpkg/DEBIAN control.tar.gz
 
       # Create a posix extended regular expression fragment that will
       # recognize the includes which have changed. Should be rare,
       # will almost always be empty.
       includes=`sed -n -e "s/^[0-9a-z]*  //g" \
                        -e "\,usr/include/,p" dpkg/DEBIAN/md5sums |
                   xargs -n 1 -I FILE /bin/sh -c \
                     "cmp -s dpkg/FILE /FILE || echo FILE" |
                   tr "\n" "|" |
@@ skipping 93 matching lines @@
              sed -e 's/[.]so[.][0-9].*/.so/' |
              sort -u); do
     [ "x${i##*/}" = "xld-linux.so" ] && continue
     [ -r "$i" ] && continue
     j="$(ls "$i."* | sed -e 's/.*[.]so[.]\([^.]*\)$/\1/;t;d' |
          sort -n | tail -n 1)"
     [ -r "$i.$j" ] || continue
     sudo ln -s "${i##*/}.$j" "$i"
   done
 fi