diff options
Diffstat (limited to 'support/mkclone')
-rwxr-xr-x | support/mkclone | 123 |
1 files changed, 123 insertions, 0 deletions
diff --git a/support/mkclone b/support/mkclone new file mode 100755 index 0000000..10b08c0 --- /dev/null +++ b/support/mkclone @@ -0,0 +1,123 @@ +#! /bin/bash +# +# mkclone - symlink every file appearing in $src/MANIFEST to a corresponding +# file in the target directory ($1). Directories specified in +# MANIFEST are created in the target directory +# +# 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 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 USA. +# +prog=`basename $0` + +SRCDIR=src + +USAGE="usage: $prog [-m manifest] [-s srcdir] [-v] [-d] [-h] target" +while getopts dhm:s:v opt +do + case "$opt" in + m) MANIFEST=$OPTARG ;; + s) SRCDIR=$OPTARG ;; + v) verbose=y ;; + d) ECHO=echo debug=y ;; + h) hardlinks=y ;; + ?) echo $USAGE >&2 + exit 2;; + esac +done + +: ${MANIFEST:=${SRCDIR}/MANIFEST} + +[ -n "$debug" ] && verbose= + +shift $(( $OPTIND - 1 )) + +if [ $# -lt 1 ]; then + echo $USAGE >&2 + exit 2 +fi + +if [ ! -f $MANIFEST ]; then + echo "$prog: $MANIFEST: no such file or directory" >&2 + echo "$prog: must be run with valid -s argument or from source directory" >&2 + 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} + +TARGET=$1 + +if [ ! -d "$TARGET" ]; then + mkdir "$TARGET" +fi + +echo "${prog}: creating clone of bash source tree (from $SRCDIR) in $TARGET" + +cd "$TARGET" || { echo "${prog}: cannot cd to $TARGET" >&2 ; exit 1; } + +while read fname type mode +do + [ -z "$fname" ] && continue + + case "$fname" in + \#*) continue ;; + esac + + case "$type" in + d) [ -n "$verbose" ] && echo mkdir $fname + $ECHO mkdir $fname ;; # already in $TARGET + f) fn=${fname##*/} + case "$fname" in + */*) dn=${fname%/*} ;; + *) dn=. ;; + esac + if [ -n "$verbose" ] || [ -n "$debug" ]; then + echo "( cd $dn && $LN $SRCDIR/$fname $fn )" + fi + [ -z "$debug" ] && ( cd $dn && $LN $SRCDIR/$fname $fn ) + ;; + *) echo "${prog}: ${fname}: unknown file type $type" 1>&2 ;; + esac +done < $MANIFEST + +# special +SPECIAL="parser-built y.tab.c y.tab.h" + +rm -f $SPECIAL +for sf in $SPECIAL +do + [ -n "$verbose" ] && echo cp -p $SRCDIR/$sf $TARGET + $ECHO cp -p $SRCDIR/$sf $TARGET +done + +exit 0 |