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-rwxr-xr-xsupport/mkclone122
1 files changed, 122 insertions, 0 deletions
diff --git a/support/mkclone b/support/mkclone
new file mode 100755
index 0000000..1840b03
--- /dev/null
+++ b/support/mkclone
@@ -0,0 +1,122 @@
+#! /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 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/>.
+#
+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