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|
#!/bin/sh
# $Id: srclist-update,v 1.3 2002-11-25 00:20:03 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.
#
# Source `dirname $0`/srclistvars.sh first, if it exists.
if test -n "$1"; then
cd "$1" || exit 1
fi
verbose=false
#chicken="echo (would)"
srctmp=${TMPDIR-/tmp}/srclist.src
dsttmp=${TMPDIR-/tmp}/srclist.dst
mydir=`dirname $0`
test -r $mydir/srclistvars.sh && . $mydir/srclistvars.sh
#
# $1 is input, output to stdout with gpl.
#
fixlicense() \
{
sed '/The .* is free software/,/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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
' $1
}
# $1 is input file, $2 is output.
# Remove $Id lines, since they'll differ between source locations.
# If $options contains "gpl", change the license to be the standard
# GPL. We use this for libc files.
#
fixfile() \
{
if echo "$options" | grep -w gpl >/dev/null; then
fixlicense $1
else
cat $1
fi \
| fgrep -v '$'"Id:" >$2
}
#
cat | while read src dst options; do
test -z "$dst" && continue # skip lines without second element
echo "$src $dst" | sed 's/#.*$//' | egrep '^\s*$' >/dev/null \
&& continue # skip whitespace and comment-only lines
src=`eval echo $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
# write destination file dst/foo.c.
dst=`eval echo $dst`
test -d $dst && dst=$dst/`basename $src`
# Make changes for sake of comparison.
fixfile $src $srctmp
test -r $dst && fixfile $dst $dsttmp
# don't show license differences.
gplsrc=$TMPDIR/`basename $src`
fixlicense $src >$gplsrc
cmp -s $src $gplsrc && gplsrc=$src
if test ! -e $dst; then
echo "## $gplsrc $dst # new"
$chicken cp -p $gplsrc $dst
elif cmp -s $srctmp $dsttmp; then
$verbose && echo "## $gplsrc $dst # unchanged"
else
echo "## $gplsrc $dst # changes"
diff -c2 $dst $gplsrc
fi
done
rm -f $srctmp $dsttmp
|
