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#! /bin/sh

# Bootstrap this package from CVS.

# Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.

# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.

# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA.

# Written by Paul Eggert and Sergey Poznyakoff.

package=cpio

# Translation Project URL, for the registry of all projects.
TP_URL='http://www.iro.umontreal.ca/translation/registry.cgi?domain='

# Ensure file names are sorted consistently across platforms.
# Also, ensure diagnostics are in English, e.g., "wget --help" below.
LC_ALL=C
export LC_ALL

usage() {
 cat <<EOF
 usage: $0 [--gnulib-srcdir=DIR][--paxutils-srcdir=DIR][--cvs-auth=AUTH-METHOD][--cvs-user=USERNAME][--no-po]
 Options are:
 --paxutils-srcdir=DIRNAME    Specify the local directory where paxutils
                              sources reside. Use this if you already
                              have paxutils sources on your machine, and
                              do not want to waste your bandwidth dowloading
                              them again.
 --gnulib-srcdir=DIRNAME      Specify the local directory where gnulib
                              sources reside. Use this if you already
                              have gnulib sources on your machine, and
                              do not want to waste your bandwidth dowloading
                              them again.
 --cvs-auth=METHOD            Set the CVS access method used for downloading
                              gnulib files. METHOD is one of the keywords
                              accepted by cvs -d option (see info cvs
                              repository).
 --cvs-user=USERNAME          Set the CVS username to be used when accessing
                              the gnulib repository.
 --no-po                      Do not download po files.
 --update-po[=LANG]           Update po file(s) and exit.

If the file \`.bootstrap' exists in the current working directory, its
contents is read, comments and empty lines removed, shell variables expanded
and the result is prepended to the command line options.

Running without arguments will suffice in most cases. It is equivalent
to

    ./bootstrap --cvs-auth=pserver

EOF
}

# Read configuration file
if [ -r .bootstrap ]; then
  echo "$0: Reading configuration file .bootstrap"
  eval set -- "`sed 's/#.*$//;/^$/d' .bootstrap | tr '\n' ' '` $*"
fi

# Parse options.

DOWNLOAD_PO=yes
for option
do
  case $option in
  --help)
    usage
    exit;;
  --gnulib-srcdir=*)
    GNULIB_SRCDIR=`expr "$option" : '--gnulib-srcdir=\(.*\)'`;;
  --paxutils-srcdir=*)
    PAXUTILS_SRCDIR=`expr "$option" : '--paxutils-srcdir=\(.*\)'`;;
  --cvs-auth=*)
    CVS_AUTH=`expr "$option" : '--cvs-auth=\(.*\)'`;;
  --cvs-user=*)
    CVS_USER=`expr "$option" : '--cvs-user=\(.*\)'`;;
  --no-po)
    DOWNLOAD_PO=no;;
  --update-po=*)
    DOWNLOAD_PO=`expr "$option" : '--update-po=\(.*\)'`;;
  --update-po)
    DOWNLOAD_PO=only;;
  *)
    echo >&2 "$0: $option: unknown option"
    exit 1;;
  esac
done

# Get translations.

get_translations() {
  subdir=$1
  domain=$2
  po_file=$3

  echo "$0: getting translations into $subdir for $domain..."

  case $po_file in
  '') (cd $subdir && rm -f dummy `ls | sed -n '/\.gmo$/p; /\.po/p'`);;
  esac &&

  $WGET_COMMAND -O "$subdir/$domain.html" "$TP_URL$domain" &&

  sed -n 's|.*"http://[^"]*/translation/teams/PO/\([^/"]*\)/'"$domain"'-\([^/"]*\)\.[^."]*\.po".*|\1.\2|p' <"$subdir/$domain.html" |
  sort -k 1,1 -k 2,2n -k2,2 -k3,3n -k3,3 -k4,4n -k4,4 -k5,5n -k5.5 |
  awk -F. '
    { if (lang && $1 != lang) print lang, ver }
    { lang = $1; ver = substr($0, index($0, ".") + 1) }
    END { if (lang) print lang, ver }
  ' |
  awk -v domain="$domain" -v po_file="$po_file" -v subdir="$subdir" '
    {
      lang = $1
      if (po_file && po_file != (lang ".po")) next

      # Work around bugs in translations uncovered by gettext 0.15.
      # This workaround can be removed once the translations are fixed.
      if (lang == "hu" || lang == "zh_TW") next

      ver = $2
      urlfmt = ""
      printf "$WGET_COMMAND -O %s/%s.po 'http://www.iro.umontreal.ca/translation/teams/PO/%s/%s-%s.%s.po' &&\n", subdir, lang, lang, domain, ver, lang
    }
    END { print ":" }
  ' |
  sh &&
  ls "$subdir"/*.po | sed 's|.*/||; s|\.po$||' >"$subdir/LINGUAS" &&
  rm "$subdir/$domain.html"
}

update_po() {
  if [ $# = 1 ]; then
    case $1 in
    *.po)  POFILE=$1;;
    *)     POFILE=${1}.po;;
    esac
    get_translations po $package "$POFILE"
  else
    get_translations po $package
  fi
}

case $DOWNLOAD_PO in
no) ;;
*)
  case `wget --help` in
  *'--no-cache'*)
    no_cache='--no-cache';;
  *'--cache=on/off'*)
    no_cache='--cache=off';;
  *)
    no_cache='';;
  esac

  WGET_COMMAND="wget -nv $no_cache"
  export WGET_COMMAND
esac

case $DOWNLOAD_PO in
only)	update_po
	exit
	;;
no|yes) ;;
*)	update_po $DOWNLOAD_PO
	exit
esac


echo "$0: Bootstrapping CVS $package..."

build_cvs_prefix() {
  CVS_PREFIX=:${1}:
  if [ "${2}" != - ]; then
    CVS_PREFIX=${CVS_PREFIX}${2}@
  fi
  if [ "$1" = "ext" ]; then
    if [ -z "${CVS_RSH}" ]; then
       CVS_RSH=ssh
       export CVS_RSH
    fi
  fi
}

# checkout package
checkout() {
  if [ ! -d $1 ]; then
    echo "$0: getting $1 files..."

    trap exit 1 2 13 15
    trap 'rm -fr $1; exit 1' 0

    case "${CVS_AUTH-pserver}" in
    pserver) build_cvs_prefix pserver ${CVS_USER:-anonymous}
             ;;
    gserver|server)
	     build_cvs_prefix $CVS_AUTH ${CVS_USER--}
	     ;;
    ext)     build_cvs_prefix $CVS_AUTH ${CVS_USER--}
             ;;
    *)       echo "$0: Unknown CVS access method" >&2
	     exit 1;;
    esac
    cvs -q -d ${CVS_PREFIX}cvs.sv.gnu.org:/cvsroot/$1 co $1 || exit

    trap - 0
  fi
}

gnulib_modules=
newline='
'

get_modules() {
  new_gnulib_modules=`sed '/^[	 ]*#/d; /^[	 ]*$/d' $*`
  case $gnulib_modules,$new_gnulib_modules in
  ?*,?*) new_gnulib_modules=$newline$new_gnulib_modules;;
  esac
  gnulib_modules=$gnulib_modules$new_gnulib_modules
}

# Get paxutils files
case ${PAXUTILS_SRCDIR--} in
-) checkout paxutils
   PAXUTILS_SRCDIR=paxutils
esac

if [ -r $PAXUTILS_SRCDIR/gnulib.modules ]; then
  get_modules $PAXUTILS_SRCDIR/gnulib.modules
fi

# copy_files srcdir dstdir
copy_files() {
  for file in `cat $1/DISTFILES`
  do
    case $file in
    "#*")  continue;;
    esac
    dst=`echo $file | sed 's^.*/^^'`
    if [ $# -eq 3 ]; then
      case $dst in
      ${3}*) ;;
      *) dst=${3}$dst;;
      esac
    fi
    echo "$0: Copying file $1/$file to $2/$dst"
    cp -p $1/$file $2/$dst
  done
}

copy_files ${PAXUTILS_SRCDIR}/m4 m4
echo "$0: Creating m4/paxutils.m4"
(echo "# This file is generated automatically. Please, do not edit."
 echo "#"
 echo "AC_DEFUN([${package}_PAXUTILS],["
 cat ${PAXUTILS_SRCDIR}/m4/DISTFILES | sed '/^#/d;s/\(.*\)\.m4/pu_\1/' | tr a-z A-Z
 echo "])") > ./m4/paxutils.m4

if [ -d rmt ]; then
   :
else
   mkdir rmt
fi

for dir in doc rmt lib tests
do
	copy_files ${PAXUTILS_SRCDIR}/$dir $dir
done

copy_files ${PAXUTILS_SRCDIR}/paxlib lib pax

# Get gnulib files.

case ${GNULIB_SRCDIR--} in
-) checkout gnulib
   GNULIB_SRCDIR=gnulib
esac

gnulib_tool=$GNULIB_SRCDIR/gnulib-tool
<$gnulib_tool || exit

get_modules gnulib.modules

gnulib_modules=`echo "$gnulib_modules" | sort -u`
previous_gnulib_modules=
while [ "$gnulib_modules" != "$previous_gnulib_modules" ]; do
  previous_gnulib_modules=$gnulib_modules
  gnulib_modules=`
    (echo "$gnulib_modules"
     for gnulib_module in $gnulib_modules; do
       $gnulib_tool --extract-dependencies $gnulib_module
     done) | sort -u
  `
done

gnulib_files=`
  (for gnulib_module in $gnulib_modules; do
     $gnulib_tool --extract-filelist $gnulib_module
   done) | sort -u
`

gnulib_dirs=`echo "$gnulib_files" | sed 's,/[^/]*$,,' | sort -u`
mkdir -p $gnulib_dirs || exit

for gnulib_file in $gnulib_files; do
  dest=$gnulib_file
  rm -f $dest &&
  echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file" &&
  cp -p $GNULIB_SRCDIR/$gnulib_file $dest || exit
done

# This suppresses a bogus diagnostic
# "warning: macro `AM_LANGINFO_CODESET' not found in library".
echo "$0: patching m4/gettext.m4 to remove need for intl/* ..."
sed '
  /^AC_DEFUN(\[AM_INTL_SUBDIR],/,/^]/c\
    AC_DEFUN([AM_INTL_SUBDIR], [])
  /^AC_DEFUN(\[gt_INTL_SUBDIR_CORE],/,/^]/c\
    AC_DEFUN([gt_INTL_SUBDIR_CORE], [])
' m4/gettext.m4 >m4/gettext_gl.m4 || exit

echo "$0: Creating m4/gnulib.m4"
(echo "# This file is generated automatically. Please, do not edit."
 echo "#"
 echo "AC_DEFUN([${package}_GNULIB],["
 for gnulib_module in $gnulib_modules; do
    echo "# $gnulib_module"
    $gnulib_tool --extract-autoconf-snippet $gnulib_module
 done | sed '/AM_GNU_GETTEXT/d'
 echo "])") > ./m4/gnulib.m4

echo "$0: Creating lib/Makefile.am"
(echo "# This file is generated automatically. Do not edit!"
 cat lib/Makefile.tmpl

 for gnulib_module in $gnulib_modules; do
    echo "# $gnulib_module"
    $gnulib_tool --extract-automake-snippet $gnulib_module
 done | sed "s/lib_SOURCES/lib${package}_a_SOURCES/g" ) > lib/Makefile.am

# Get translations.
if test "$DOWNLOAD_PO" = "yes"; then
  update_po
fi

# Reconfigure, getting other files.

echo "$0: autopoint --force ..."
autopoint --force || exit

# We don't need intl, so remove it.
intl_files_to_remove='
  intl
  m4/gettext.m4
  m4/glibc2.m4
  m4/intdiv0.m4
  m4/intmax.m4
  m4/lcmessage.m4
  m4/lock.m4
  m4/printf-posix.m4
  m4/visibility.m4
'
echo $0: rm -fr $intl_files_to_remove ...
rm -fr $intl_files_to_remove || exit


# Undo changes to gnulib files that autoreconf made.

for gnulib_file in $gnulib_files; do
  test ! -f $gnulib_file || cmp -s $gnulib_file $GNULIB_SRCDIR/$gnulib_file || {
    rm -f $gnulib_file &&
    echo "$0: Copying file $GNULIB_SRCDIR/$gnulib_file again" &&
    cp -p $GNULIB_SRCDIR/$gnulib_file $gnulib_file || exit
  }
done

# Make sure aclocal.m4 is not older than input files.
sleep 1

for command in \
  'aclocal --force -I m4' \
  'autoconf --force' \
  'autoheader --force' \
  'automake --add-missing --copy --force-missing';
do
  echo "$0: $command ..."
  $command || exit
done


# Create gettext configuration.
echo "$0: Creating po/Makevars from po/Makevars.template ..."
sed '
  /^MSGID_BUGS_ADDRESS *=/s/=.*/= bug-'"$package"'@gnu.org/
  /^XGETTEXT_OPTIONS *=/{
    s/$/ \\/
    a\
	--flag=_:1:pass-c-format \\\
	--flag=N_:1:pass-c-format \\\
	--flag=error:3:c-format --flag=error_at_line:5:c-format \\\
	--flag=asnprintf:3:c-format --flag=vasnprintf:3:c-format \\\
	--flag=argp_error:2:c-format \\\
	--flag=__argp_error:2:c-format \\\
	--flag=argp_failure:4:c-format \\\
	--flag=__argp_failure:4:c-format \\\
	--flag=argp_fmtstream_printf:2:c-format \\\
	--flag=__argp_fmtstream_printf:2:c-format
  }
' po/Makevars.template >po/Makevars


echo "$0: done.  Now you can run './configure'."

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