| 1 | #! /bin/sh
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| 2 | #
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| 3 | # fixlinks - make symlinks in the bash source tree so that there is
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| 4 | # exactly one version of any given source file.
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| 5 | #
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| 6 | # Copyright (C) 1996-2002 Free Software Foundation, Inc.
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| 7 | #
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| 8 | # This program is free software; you can redistribute it and/or modify
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| 9 | # it under the terms of the GNU General Public License as published by
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| 10 | # the Free Software Foundation; either version 2, or (at your option)
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| 11 | # any later version.
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| 12 | #
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| 13 | # This program is distributed in the hope that it will be useful,
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| 14 | # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 15 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 16 | # GNU General Public License for more details.
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| 17 | #
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| 18 | # You should have received a copy of the GNU General Public License
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| 19 | # along with this program; if not, write to the Free Software
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| 20 | # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111 USA.
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| 21 |
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| 22 | SRCDIR=.
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| 23 | while [ $# -gt 0 ]; do
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| 24 | case "$1" in
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| 25 | -s) shift; SRCDIR=$1 ;;
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| 26 | -u) unfix=yes ;;
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| 27 | -h) hardlinks=yes ;;
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| 28 | -*) echo "$0: $1: bad option" 1>&2
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| 29 | echo "$0: usage: $0 [-hu] [-s srcdir] [linkmap]" 1>&2
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| 30 | exit 1;;
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| 31 | *) break ;;
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| 32 | esac
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| 33 | shift
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| 34 | done
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| 35 |
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| 36 | if [ ! -d $SRCDIR/builtins ]; then
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| 37 | echo "$0: must be run with valid -s argument or from source directory" 1>&2
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| 38 | exit 1
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| 39 | fi
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| 40 |
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| 41 | if [ $# -eq 0 ]; then
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| 42 | linkfile=$SRCDIR/support/SYMLINKS
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| 43 | else
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| 44 | linkfile=$1
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| 45 | fi
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| 46 |
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| 47 | if [ ! -f "$linkfile" ]; then
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| 48 | echo "$0: symlink map file \`$linkfile' does not exist"
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| 49 | exit 1
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| 50 | fi
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| 51 |
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| 52 | rm_ltmp=false
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| 53 | LINKTEMP=`mktemp -t linktmp.XXXXXXXX 2>/dev/null`
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| 54 | if [ -z "$LINKTEMP" ]; then
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| 55 | : ${TMPDIR:=/tmp}
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| 56 | LINKTEMP=${TMPDIR}/linktmp.$$
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| 57 | rm_ltmp=true
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| 58 | fi
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| 59 |
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| 60 | $rm_ltmp && rm -f ${LINKTEMP}
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| 61 | # if the user specified hard links, then do that. otherwise, try to use
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| 62 | # symlinks if they're present
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| 63 | if [ -n "$hardlinks" ]; then
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| 64 | LN=ln
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| 65 | elif (ln -s /dev/null ${LINKTEMP}) >/dev/null 2>&1; then
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| 66 | LN="ln -s"
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| 67 | else
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| 68 | LN=ln
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| 69 | fi
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| 70 | rm -f ${LINKTEMP}
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| 71 |
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| 72 | while read name target
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| 73 | do
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| 74 | case "$name" in
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| 75 | \#*) continue;;
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| 76 | esac
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| 77 |
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| 78 | rm -f $name
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| 79 | case "$unfix" in
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| 80 | yes) dirname=`expr "$name" ':' '^\(.*\)/[^/]*'`
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| 81 | [ -z "$dirname" ] && dirname=.
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| 82 | cp $dirname/$target $name
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| 83 | echo $target copied to $name ;;
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| 84 | *) $LN $target $name ; echo "$name -> $target" ;;
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| 85 | esac
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| 86 |
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| 87 | done < $linkfile
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| 88 |
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| 89 | exit 0
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