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diff --git a/admin/install-sh b/admin/install-sh
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+#!/bin/sh
+#
+# install - install a program, script, or datafile
+# This comes from X11R5 (mit/util/scripts/install.sh).
+#
+# Copyright 1991 by the Massachusetts Institute of Technology
+#
+# Permission to use, copy, modify, distribute, and sell this software and its
+# documentation for any purpose is hereby granted without fee, provided that
+# the above copyright notice appear in all copies and that both that
+# copyright notice and this permission notice appear in supporting
+# documentation, and that the name of M.I.T. not be used in advertising or
+# publicity pertaining to distribution of the software without specific,
+# written prior permission.  M.I.T. makes no representations about the
+# suitability of this software for any purpose.  It is provided "as is"
+# without express or implied warranty.
+#
+# Calling this script install-sh is preferred over install.sh, to prevent
+# `make' implicit rules from creating a file called install from it
+# when there is no Makefile.
+#
+# This script is compatible with the BSD install script, but was written
+# from scratch.  It can only install one file at a time, a restriction
+# shared with many OS's install programs.
+
+
+# set DOITPROG to echo to test this script
+
+# Don't use :- since 4.3BSD and earlier shells don't like it.
+doit="${DOITPROG-}"
+
+
+# put in absolute paths if you don't have them in your path; or use env. vars.
+
+mvprog="${MVPROG-mv}"
+cpprog="${CPPROG-cp}"
+chmodprog="${CHMODPROG-chmod}"
+chownprog="${CHOWNPROG-chown}"
+chgrpprog="${CHGRPPROG-chgrp}"
+stripprog="${STRIPPROG-strip}"
+rmprog="${RMPROG-rm}"
+mkdirprog="${MKDIRPROG-mkdir}"
+
+transformbasename=""
+transform_arg=""
+instcmd="$mvprog"
+chmodcmd="$chmodprog 0755"
+chowncmd=""
+chgrpcmd=""
+stripcmd=""
+rmcmd="$rmprog -f"
+mvcmd="$mvprog"
+src=""
+dst=""
+dir_arg=""
+
+while [ x"$1" != x ]; do
+    case $1 in
+	-c) instcmd=$cpprog
+	    shift
+	    continue;;
+
+	-d) dir_arg=true
+	    shift
+	    continue;;
+
+	-m) chmodcmd="$chmodprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-o) chowncmd="$chownprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-g) chgrpcmd="$chgrpprog $2"
+	    shift
+	    shift
+	    continue;;
+
+	-s) stripcmd=$stripprog
+	    shift
+	    continue;;
+
+	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
+	    shift
+	    continue;;
+
+	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
+	    shift
+	    continue;;
+
+	*)  if [ x"$src" = x ]
+	    then
+		src=$1
+	    else
+		# this colon is to work around a 386BSD /bin/sh bug
+		:
+		dst=$1
+	    fi
+	    shift
+	    continue;;
+    esac
+done
+
+if [ x"$src" = x ]
+then
+	echo "$0: no input file specified" >&2
+	exit 1
+else
+	:
+fi
+
+if [ x"$dir_arg" != x ]; then
+	dst=$src
+	src=""
+
+	if [ -d "$dst" ]; then
+		instcmd=:
+		chmodcmd=""
+	else
+		instcmd=$mkdirprog
+	fi
+else
+
+# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
+# might cause directories to be created, which would be especially bad
+# if $src (and thus $dsttmp) contains '*'.
+
+	if [ -f "$src" ] || [ -d "$src" ]
+	then
+		:
+	else
+		echo "$0: $src does not exist" >&2
+		exit 1
+	fi
+
+	if [ x"$dst" = x ]
+	then
+		echo "$0: no destination specified" >&2
+		exit 1
+	else
+		:
+	fi
+
+# If destination is a directory, append the input filename; if your system
+# does not like double slashes in filenames, you may need to add some logic
+
+	if [ -d "$dst" ]
+	then
+		dst=$dst/`basename "$src"`
+	else
+		:
+	fi
+fi
+
+## this sed command emulates the dirname command
+dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+
+# Make sure that the destination directory exists.
+#  this part is taken from Noah Friedman's mkinstalldirs script
+
+# Skip lots of stat calls in the usual case.
+if [ ! -d "$dstdir" ]; then
+defaultIFS='
+	'
+IFS="${IFS-$defaultIFS}"
+
+oIFS=$IFS
+# Some sh's can't handle IFS=/ for some reason.
+IFS='%'
+set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
+IFS=$oIFS
+
+pathcomp=''
+
+while [ $# -ne 0 ] ; do
+	pathcomp=$pathcomp$1
+	shift
+
+	if [ ! -d "$pathcomp" ] ;
+        then
+		$mkdirprog "$pathcomp"
+	else
+		:
+	fi
+
+	pathcomp=$pathcomp/
+done
+fi
+
+if [ x"$dir_arg" != x ]
+then
+	$doit $instcmd "$dst" &&
+
+	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
+	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
+	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
+	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
+else
+
+# If we're going to rename the final executable, determine the name now.
+
+	if [ x"$transformarg" = x ]
+	then
+		dstfile=`basename "$dst"`
+	else
+		dstfile=`basename "$dst" $transformbasename |
+			sed $transformarg`$transformbasename
+	fi
+
+# don't allow the sed command to completely eliminate the filename
+
+	if [ x"$dstfile" = x ]
+	then
+		dstfile=`basename "$dst"`
+	else
+		:
+	fi
+
+# Make a couple of temp file names in the proper directory.
+
+	dsttmp=$dstdir/#inst.$$#
+	rmtmp=$dstdir/#rm.$$#
+
+# Trap to clean up temp files at exit.
+
+	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
+	trap '(exit $?); exit' 1 2 13 15
+
+# Move or copy the file name to the temp name
+
+	$doit $instcmd "$src" "$dsttmp" &&
+
+# and set any options; do chmod last to preserve setuid bits
+
+# If any of these fail, we abort the whole thing.  If we want to
+# ignore errors from any of these, just make sure not to ignore
+# errors from the above "$doit $instcmd $src $dsttmp" command.
+
+	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
+	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
+	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
+	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
+
+# Now remove or move aside any old file at destination location.  We try this
+# two ways since rm can't unlink itself on some systems and the destination
+# file might be busy for other reasons.  In this case, the final cleanup
+# might fail but the new file should still install successfully.
+
+{
+	if [ -f "$dstdir/$dstfile" ]
+	then
+		$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
+		$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
+		{
+		  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+		  (exit 1); exit
+		}
+	else
+		:
+	fi
+} &&
+
+# Now rename the file to the real destination.
+
+	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
+
+fi &&
+
+# The final little trick to "correctly" pass the exit status to the exit trap.
+
+{
+	(exit 0); exit
+}