| #! /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 |