openpkg-packages/openpkg/aux.wrapbin.sh

#!/bin/sh
##
##  OpenPKG Binary Bootstrap Package (self-extracting shell script)
##  Copyright (c) 2000-2004 The OpenPKG Project <http://www.openpkg.org/>
##  Copyright (c) 2000-2004 Ralf S. Engelschall <rse@engelschall.com>
##  Copyright (c) 2000-2004 Cable & Wireless <http://www.cw.com/>
##
##  Permission to use, copy, modify, and distribute this software for
##  any purpose with or without fee is hereby granted, provided that
##  the above copyright notice and this permission notice appear in all
##  copies.
##
##  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
##  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
##  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
##  IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
##  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
##  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
##  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
##  USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
##  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
##  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
##  OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
##  SUCH DAMAGE.
##

#   configuration
l_me="$0"
o_help=no
o_version=no
l_prefix='@l_prefix@'
l_musr='@MUSR@'
l_mgrp='@MGRP@'
l_platform="@l_platform@"
l_release="@l_release@"
l_version="@l_version@"

#   establish standard environment
LC_CTYPE=C
export LC_CTYPE
umask 022

#   parse command line options
for opt
do
    case $opt in
        -*=*) arg=`echo "$opt" | sed 's/^[-_a-zA-Z0-9]*=//'` ;;
           *) arg='' ;;
    esac
    case $opt in
        -h | --help    ) o_help=yes     ;;
        -v | --version ) o_version=yes  ;;
        --prefix=*     ) l_prefix=$arg  ;;
        *              ) o_help=yes     ;;
    esac
done
if [ ".$o_version" = .no -a ".$l_prefix" = . ]; then
    o_help=yes
fi
if [ ".$o_help" = .yes ]; then
    echo "Usage: sh $l_me [--prefix=<prefix>]" 2>&1
    echo "       [-h|--help] [-v|--version]" 2>&1
    exit 1
fi

#   display version and copyright header
echo "OpenPKG ${l_release} Binary Bootstrap Package, version ${l_version}"
echo "Built for prefix ${l_prefix} on target platform ${l_platform}"
if [ ".$o_version" = .yes ]; then
    exit 0
fi

#   make sure all essential installation tools are available
for tool in sed mkdir dd tar chown chgrp; do
    found=no
    case $tool in
        /* )
            if [ -f $tool ]; then
                found=yes
            fi
            ;;
        * )
            for p in `IFS=:; echo $PATH`; do
                if [ -f "$p/$tool" ]; then
                    found=yes
                    break
                fi
            done
            ;;
    esac
    if [ ".$found" = .no ]; then
        echo "$l_me:ERROR: unable to find installation tool \"$tool\"" 1>&2
        exit 1
    fi
done

#   determine current username
cusr=`(id -un) 2>/dev/null ||\
      (id | sed -e 's;^[^(]*(\([^)]*\)).*;\1;') 2>/dev/null ||\
      (whoami) 2>/dev/null ||\
      (who am i | cut "-d " -f1) 2>/dev/null ||\
      echo ${LOGNAME-"NN"}`

#   running the embedded %pre script for hooking into the system environment
echo "++ hooking OpenPKG instance into system environment"
prefix="$l_prefix"
susr='@SUSR@'; sgrp='@SGRP@'
musr='@MUSR@'; mgrp='@MGRP@'
rusr='@RUSR@'; rgrp='@RGRP@'
nusr='@NUSR@'; ngrp='@NGRP@'
suid='@SUID@'; sgid='@SGID@'
muid='@MUID@'; mgid='@MGID@'
ruid='@RUID@'; rgid='@RGID@'
nuid='@NUID@'; ngid='@NGID@'
set -- 1 # emulate RPM's $1 when executing scripts
#   ---- BEGIN EMBEDDED %pre SCRIPT ----
@PRE@
#   ---- END EMBEDDED %pre SCRIPT ----

#   make sure prefix/root directory exists
#   and has correct permissions and owner/group
if [ ! -d $l_prefix ]; then
    #   create prefix/root directory from scratch
    echo "++ creating OpenPKG instance root directory \"$l_prefix\""
    d=''
    for c in `IFS=/; echo $l_prefix`; do
        d="$d/$c"
        if [ ! -d $d ]; then
            mkdir $d || exit 1
            chmod 755 $d || exit 1
            if [ ".$cusr" = .root ]; then
                chown $musr $d >/dev/null 2>&1 || true
                chgrp $mgrp $d >/dev/null 2>&1 || true
            fi
        fi
    done
else
    #   adjust already existing prefix/root directory
    echo "++ fixating OpenPKG instance root directory \"$l_prefix\""
    ( cd $l_prefix || exit 1
      chmod 755 . || exit 1
      if [ ".$cusr" = .root ]; then
          chown $musr . >/dev/null 2>&1 || true
          chgrp $mgrp . >/dev/null 2>&1 || true
      fi
    ) || exit 1
fi

#   extract and install binary distribution files
echo "++ extracting OpenPKG binary distribution"
dd if=$l_me bs=8192 skip=8 2>/dev/null |\
    (cd $l_prefix; tar xf - 2>/dev/null)
echo "++ installing OpenPKG binary distribution"
( cd $l_prefix || exit 1
  ./openpkg.bzip2 -d -c openpkg.tar.bz2 | ./openpkg.tar xf - 2>/dev/null
  rm -f openpkg.tar openpkg.bzip2 openpkg.tar.bz2 >/dev/null 2>&1 || true
) || exit 1

#   fixate installation files
echo "++ fixating OpenPKG instance filesystem hierarchy"
( echo 'fixate () {'
  echo '    chmod "$1" "$4"'
  echo '    chown "$2" "$4"'
  echo '    chgrp "$3" "$4"'
  echo '}'
  $l_prefix/bin/openpkg rpm -qa \
      --qf '[fixate %7.7{FILEMODES:octal} %{FILEUSERNAME:shescape} %{FILEGROUPNAME:shescape} ::%{FILENAMES:shescape}\n]' |\
      grep -v '(none)' | sed 's/^fixate .../fixate /' | sed -e "s; ::\\(.\\)@l_prefix@; \\1$l_prefix;"
) | sh 2>/dev/null || true

#   running the embedded %post script
echo "++ post-processing OpenPKG bootstrap installation"
prefix="$l_prefix"
susr='@SUSR@'; sgrp='@SGRP@'
musr='@MUSR@'; mgrp='@MGRP@'
rusr='@RUSR@'; rgrp='@RGRP@'
nusr='@NUSR@'; ngrp='@NGRP@'
suid='@SUID@'; sgid='@SGID@'
muid='@MUID@'; mgid='@MGID@'
ruid='@RUID@'; rgid='@RGID@'
nuid='@NUID@'; ngid='@NGID@'
set -- 1 # emulate RPM's $1 when executing scripts
#   ---- BEGIN EMBEDDED %post SCRIPT ----
@POST@
#   ---- END EMBEDDED %post SCRIPT ----

#   display final information
( echo "Congratulations!"
  echo ""
  echo "You have successfully installed an OpenPKG ${l_release} instance"
  echo "under prefix ${l_prefix} on target platform ${l_platform}."
  echo ""
  echo "Details about this installed OpenPKG instance you can easily"
  echo "determine by running the following typical RPM query commands:"
  echo ""
  echo "    \$ ${l_prefix}/bin/openpkg rpm -qa"
  echo "    \$ ${l_prefix}/bin/openpkg rpm -qi  openpkg"
  echo "    \$ ${l_prefix}/bin/openpkg rpm -qlv openpkg"
  echo ""
  echo "The integrity of the whole OpenPKG instance you can check at any"
  echo "time by running the RPM verify command:"
  echo ""
  echo "    \$ ${l_prefix}/bin/openpkg rpm -Va"
  echo ""
  echo "For installing software packages into this OpenPKG instance, just run"
  echo "the following two RPM build commands for each package:"
  echo ""
  echo "    \$ ${l_prefix}/bin/openpkg rpm --rebuild /path/to/foo-*.src.rpm"
  echo "    \$ ${l_prefix}/bin/openpkg rpm -Uvh ${l_prefix}/RPM/PKG/foo-*.rpm"
  echo ""
  echo "If you later want to remove a software package, just run:"
  echo ""
  echo "    \$ ${l_prefix}/bin/openpkg rpm -e foo"
  echo ""
  echo "For removing the whole OpenPKG instance under prefix ${l_prefix},"
  echo "just remove every package. Once you finally removed the package"
  echo "\"openpkg\", the whole OpenPKG instance will be unlinked from the"
  echo "system and removed, too."
  echo ""
  echo "Thank you for flying OpenPKG..."
  echo "                                        Ralf S. Engelschall"
  echo "                                        The OpenPKG Project"
  echo "                                        openpkg@openpkg.org"
) | $l_prefix/lib/openpkg/rpmtool msg -b -t info

#   die explicitly just before the shell would discover
#   that we carry mega-bytes of data with us... ;-)
exit 0

#   the distribution tarball is appended in raw format directly to the
#   end of this script, just leaded by padding whitespaces which make
#   sure that the tarball data starts at the pre-defined offset of 64KB.
#   This allows us to unpack the tarball by just skipping the leading
#   64KB (= 8192*8, see above).