source: jhalfs@ 1236262

#!/bin/sh 

version="
jhalfs 0.1
Written by Jeremy Huntwork.

This program is published under the \
Gnu General Public License, Version 2."

usage="\
Usage: $0 [OPTION]

Options:
  -h, --help                    print this help, then exit
  -V, --version                 print version number, then exit
  -L, --LFS-version=VER         use VER version of the LFS book
  -D, --download-client=CLIENT  use CLIENT as the program for retrieving
                                packages
"

help="\
Try '$0 --help' for more information."

exit_missing_arg="\
echo \"Option '\$1' requires an argument\" >&2
echo \"\$help\" >&2
exit 1"

no_dl_client="\
echo \"Could not find a way to download the LFS sources.\" >&2
echo \"Attempting to continue.\" >&2"

while test $# -gt 0 ; do
        case $1 in
                --version | -V )
                        echo "$version"
                        exit 0
                        ;;

                --help | -h )
                        echo "$usage"
                        exit 0
                        ;;

                --LFS-version | -L )
                        test $# = 1 && eval "$exit_missing_arg"
                        shift
                        case $1 in
                                dev* | SVN | trunk )
                                        LFSVRS=development
                                        ;;
                                * )
                                        echo "$1 is an unsupported version at this time."
                                        exit 1
                                        ;;
                        esac
                        shift
                        ;;

                --download-client | -D )
                        test $# = 1 && eval "$exit_missing_arg"
                        shift
                        DL=$1
                        shift
                        ;;

                --su-lfs )
                        echo "Build section with 'lfs' user"
                        ;;

                --chroot)
                        echo "Build chroot section"
                        ;;

                * )
                        echo "$usage"
                        exit 1
                        ;;
        esac
done

# Test to make sure we're running the build as root

if [ "$UID" != "0" ] ; then
        echo "You must be logged in as root to successfully build LFS."
        exit 1
fi

# Find the download client to use, if not already specified.

if [ -z $DL ] ; then
  if [ `type -p wget` ] ; then
        DL=wget
  elif [ `type -p curl` ] ; then
        DL=curl
  else
        eval "$no_dl_client"
  fi
fi

SVN="svn://svn.linuxfromscratch.org"
HTTP=http://ftp.lfs-matrix.net/pub/lfs/lfs-packages/conglomeration
BUILDDIR=/mnt/lfs
LOG=build.log

get_book() {
  # Check for Subversion instead of just letting the script hit 'svn' and fail.
  test `type -p svn` || eval "echo \"This feature requires Subversion.\"
        exit 1"
  cd $BUILDDIR
 
  # Test to make sure the LFS version is set
  if [ -z $LFSVRS ] ; then LFSVRS=development ; fi
  echo -n "Downloading the LFS Book, version $LFSVRS... "

  # Grab the LFS book fresh if it's missing, otherwise, update it from the
  # repo. If we've already extracted the commands, move on to getting the
  # sources.
  if [ -d lfs-$LFSVRS ] ; then
        cd lfs-$LFSVRS
        if svn up | grep -q At && test -d $BUILDDIR/commands && \
        test -f $BUILDDIR/packages && test -f $BUILDDIR/patches ; then
                echo -ne "done\n"
                get_sources
        else
                echo -ne "done\n"
                extract_commands
        fi
  else
        if [ $LFSVRS = development ] ; then 
                svn co $SVN/LFS/trunk/BOOK lfs-$LFSVRS >>$BUILDDIR/$LOG 2>&1
        else
                svn co $SVN/LFS/branches/$LFSVRS/BOOK lfs-$LFSVRS >>$BUILDDIR/$LOG 2>&1
        fi
        echo -ne "done\n"
        extract_commands
  fi
}

extract_commands() {
  # Check for libxslt instead of just letting the script hit 'xsltproc' and fail.
  test `type -p xsltproc` || eval "echo \"This feature requires libxslt.\"
        exit 1"
  cd $BUILDDIR

  # Start clean
  if [ -d commands ] ; then rm -rf commands ; fi && mkdir commands
  echo -n "Extracting commands... "

  # Use Maneul's stylesheet to dump the commands in text form from the LFS book.
  xsltproc -v --nonet --xinclude -o ./commands/ \
  lfs-$LFSVRS/stylesheets/dump-commands.xsl lfs-$LFSVRS/index.xml \
  >>$BUILDDIR/$LOG 2>&1

  # Move the text files out from the chapter directories, and dump them
  # all into the 'commands' directory.
  cd commands
  find ./* -xtype f -exec mv '{}' . \;
  find ./* -maxdepth 0 -xtype d -exec rm -rf '{}' \;

  # Grab the patches and package names.
  cd $BUILDDIR
  for i in patches packages ; do rm -f $i ; done
  grep "\-version" lfs-$LFSVRS/general.ent | sed -e 's@<!ENTITY @@' -e 's@">@"@' \
        -e '/generic/d' >> packages
  grep "ENTITY" lfs-$LFSVRS/patches.ent | sed -e 's/.* "//' -e 's/">//' >> patches

  # Done. Moving on...
  echo -ne "done\n"
  get_sources
}

download() {
  cd $BUILDDIR/sources

  # Hackish fix for the bash-doc package that doesn't conform
  # to norms in the URL scheme.
  DIR=`echo $1 | sed 's@-doc@@'`

  # Find the md5 sum for this package.
  if [ $2 != MD5SUMS ] ; then MD5=`grep "  $2" MD5SUMS` ; fi

  if [ ! -f $2 ] ; then
     case $DL in
        wget )
                wget $HTTP/$DIR/$2
                ;;
        curl )
                `curl -# $HTTP/$DIR/$2 -o $2`
                ;;
        * )
                echo "$DL not supported at this time."
                ;;
     esac
  elif ! echo "$MD5" | md5sum -c - >/dev/null 2>/dev/null ; then
     case $DL in
        wget )
                wget -c $HTTP/$DIR/$2
                ;;
        curl )
                `curl -# -C - $HTTP/$DIR/$2 -o $2`
                ;;
        * )
                echo "$DL not supported at this time."
                ;;
     esac
  fi
  if [ $2 != MD5SUMS ] && ! echo "$MD5" | md5sum -c - ; then
    exit 1
  fi
}

get_sources() {

  # This variable is necessary to make sure the `cat $BUILDDIR/packages`
  # separates each iteration by lines.  It is necessary to have the second
  # ' on the next line.
  IFS='
'

  if [ ! -d $BUILDDIR/sources ] ; then mkdir $BUILDDIR/sources ; fi
  cd $BUILDDIR/sources
  if [ -f MD5SUMS ] ; then rm MD5SUMS ; fi

  download "" MD5SUMS

  # Iterate through each package and grab it, along with any patches it needs.
  for i in `cat $BUILDDIR/packages` ; do
    PKG=`echo $i | sed 's/-version.*//'`
    
    # Someone used some silly entities right next to the valid package entities.
    if [ "$PKG" = "expect-lib" -o "$PKG" = "linux-dl" ] ; then continue ; fi

    VRS=`echo $i | sed -e 's/.* //' -e 's/"//g'`
    if [ "$PKG" = "tcl" ] ; then
        FILE="$PKG$VRS-src.tar.bz2"
    else
        FILE="$PKG-$VRS.tar.bz2"
    fi
    download $PKG $FILE
    for patch in `grep "$PKG-&$PKG" $BUILDDIR/patches` ; do
        PATCH=`echo $patch | sed 's@&'$PKG'-version;@'$VRS'@'`
        download $PKG $PATCH
    done        
  done
}


if [ ! -d $BUILDDIR ] ; then
        mkdir $BUILDDIR
fi

>$BUILDDIR/$LOG
cp $0 $BUILDDIR/
get_book