srclist-update

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Author : Karl Berry
Date : 2007-03-30 23:44:27
Hash : e2f08ee6
Message : double space after USA in the license substitution, since that's how it's usually (?) written.
config/srclist-update
#!/bin/sh
# $Id: srclist-update,v 1.19 2007-03-30 23:44:27 karl Exp $
#
# Check for files in directory $1 being up to date, according to the
# list on stdin.  Don't actually make any changes, just show the diffs.
#
# Copyright (C) 2002, 2003, 2005, 2007 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.

# Originally written by Karl Berry.


if test -n "$1"; then
  cd "$1" || exit 1
fi

verbose=false
#chicken="echo (would)"

: ${TMPDIR=/tmp}
dsttmp=$TMPDIR/srclist.dst

# Source `dirname $0`/srclistvars.sh first, if it exists.
mydir=`dirname $0`
test -r $mydir/srclistvars.sh && . $mydir/srclistvars.sh


# 
# sed command to fix the license to be GPL.
fixlicense='
  /^[[:space:]]*#[[:space:]]*Th[ei][ s].* is free software/,/^[[:space:]]*#.*USA\./c\
#   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.

  /Th[ei][ s].* is free software/,/\*\//c\
   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.  */
'

# sed command to remove lines containing $Id lines.
# Quote the $ so that CVS does not expand it in this script.
remove_id_lines='/[$]Id:.*[$]/d'

# $1 is input file, $2 is output.
# Remove $Id lines, since they'll differ between source locations.
# If $options contains "gpl", change the license to be the standard
# GPL.  We use this for libc files, et al.
#
fixfile() \
{
  sed_command="$remove_id_lines"

  case " $options " in
  *' gpl '*)
    sed_command="$sed_command; $fixlicense";;
  esac

  sed "$sed_command" $1 >$2
}


# 
cat | while read src dst options; do
  #echo "src=$src, dst=$dst, options=$options" >&2
  case $src:$dst in
    *: ) continue;;    # skip lines without second element
    '#'* ) continue;;  # skip comment-only lines
  esac

  # Expand variables and make sure we have an input file.
  eval src=$src
  if test ! -r $src; then
    echo "$0: cannot read $src" >&2
    continue
  fi

  # Ignore subdirs in src dir.  E.g., if input spec is
  #   src/subdir/foo.c dst
  # then write destination file dst/foo.c.
  eval dst=$dst
  test -d $dst && dst=$dst/`basename $src`

  # Fix files in both src and dst, for the sake
  # of a clean comparison.
  srctmp=$TMPDIR/`basename $src`
  fixfile $src $srctmp
  test -r $dst && fixfile $dst $dsttmp

  if test ! -e $dst; then
    echo "## $srctmp $dst  # new"
    $chicken cp -p $srctmp $dst
  elif cmp -s $srctmp $dsttmp; then
    $verbose && echo "## $srctmp $dst  # unchanged"
  else
    echo "## $srctmp $dst  # changes"
    diff -C 2 $dst $srctmp
  fi
done

rm -f $dsttmp
kc3-lang/gnulib/config/srclist-update

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