89 lines
2.1 KiB
Bash
Executable file
89 lines
2.1 KiB
Bash
Executable file
#! /bin/sh
|
|
#
|
|
# fixlinks - make symlinks in the bash source tree so that there is
|
|
# exactly one version of any given source file.
|
|
#
|
|
# Copyright (C) 1996-2002 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
SRCDIR=.
|
|
while [ $# -gt 0 ]; do
|
|
case "$1" in
|
|
-s) shift; SRCDIR=$1 ;;
|
|
-u) unfix=yes ;;
|
|
-h) hardlinks=yes ;;
|
|
-*) echo "$0: $1: bad option" 1>&2
|
|
echo "$0: usage: $0 [-hu] [-s srcdir] [linkmap]" 1>&2
|
|
exit 1;;
|
|
*) break ;;
|
|
esac
|
|
shift
|
|
done
|
|
|
|
if [ ! -d $SRCDIR/builtins ]; then
|
|
echo "$0: must be run with valid -s argument or from source directory" 1>&2
|
|
exit 1
|
|
fi
|
|
|
|
if [ $# -eq 0 ]; then
|
|
linkfile=$SRCDIR/support/SYMLINKS
|
|
else
|
|
linkfile=$1
|
|
fi
|
|
|
|
if [ ! -f "$linkfile" ]; then
|
|
echo "$0: symlink map file \`$linkfile' does not exist"
|
|
exit 1
|
|
fi
|
|
|
|
rm_ltmp=false
|
|
LINKTEMP=`mktemp -t linktmp.XXXXXXXX 2>/dev/null`
|
|
if [ -z "$LINKTEMP" ]; then
|
|
: ${TMPDIR:=/tmp}
|
|
LINKTEMP=${TMPDIR}/linktmp.$$
|
|
rm_ltmp=true
|
|
fi
|
|
|
|
$rm_ltmp && rm -f ${LINKTEMP}
|
|
# if the user specified hard links, then do that. otherwise, try to use
|
|
# symlinks if they're present
|
|
if [ -n "$hardlinks" ]; then
|
|
LN=ln
|
|
elif (ln -s /dev/null ${LINKTEMP}) >/dev/null 2>&1; then
|
|
LN="ln -s"
|
|
else
|
|
LN=ln
|
|
fi
|
|
rm -f ${LINKTEMP}
|
|
|
|
while read name target
|
|
do
|
|
case "$name" in
|
|
\#*) continue;;
|
|
esac
|
|
|
|
rm -f $name
|
|
case "$unfix" in
|
|
yes) dirname=`expr "$name" ':' '^\(.*\)/[^/]*'`
|
|
[ -z "$dirname" ] && dirname=.
|
|
cp $dirname/$target $name
|
|
echo $target copied to $name ;;
|
|
*) $LN $target $name ; echo "$name -> $target" ;;
|
|
esac
|
|
|
|
done < $linkfile
|
|
|
|
exit 0
|