summaryrefslogtreecommitdiffstats
path: root/support/fixlinks
diff options
context:
space:
mode:
Diffstat (limited to 'support/fixlinks')
-rwxr-xr-xsupport/fixlinks89
1 files changed, 89 insertions, 0 deletions
diff --git a/support/fixlinks b/support/fixlinks
new file mode 100755
index 0000000..73b0fa3
--- /dev/null
+++ b/support/fixlinks
@@ -0,0 +1,89 @@
+#! /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