cannam@85: #!/bin/sh
cannam@85: #
cannam@85: # install - install a program, script, or datafile
cannam@85: # This comes from X11R5 (mit/util/scripts/install.sh).
cannam@85: #
cannam@85: # Copyright 1991 by the Massachusetts Institute of Technology
cannam@85: #
cannam@85: # Permission to use, copy, modify, distribute, and sell this software and its
cannam@85: # documentation for any purpose is hereby granted without fee, provided that
cannam@85: # the above copyright notice appear in all copies and that both that
cannam@85: # copyright notice and this permission notice appear in supporting
cannam@85: # documentation, and that the name of M.I.T. not be used in advertising or
cannam@85: # publicity pertaining to distribution of the software without specific,
cannam@85: # written prior permission.  M.I.T. makes no representations about the
cannam@85: # suitability of this software for any purpose.  It is provided "as is"
cannam@85: # without express or implied warranty.
cannam@85: #
cannam@85: # Calling this script install-sh is preferred over install.sh, to prevent
cannam@85: # `make' implicit rules from creating a file called install from it
cannam@85: # when there is no Makefile.
cannam@85: #
cannam@85: # This script is compatible with the BSD install script, but was written
cannam@85: # from scratch.  It can only install one file at a time, a restriction
cannam@85: # shared with many OS's install programs.
cannam@85: 
cannam@85: 
cannam@85: # set DOITPROG to echo to test this script
cannam@85: 
cannam@85: # Don't use :- since 4.3BSD and earlier shells don't like it.
cannam@85: doit="${DOITPROG-}"
cannam@85: 
cannam@85: 
cannam@85: # put in absolute paths if you don't have them in your path; or use env. vars.
cannam@85: 
cannam@85: mvprog="${MVPROG-mv}"
cannam@85: cpprog="${CPPROG-cp}"
cannam@85: chmodprog="${CHMODPROG-chmod}"
cannam@85: chownprog="${CHOWNPROG-chown}"
cannam@85: chgrpprog="${CHGRPPROG-chgrp}"
cannam@85: stripprog="${STRIPPROG-strip}"
cannam@85: rmprog="${RMPROG-rm}"
cannam@85: mkdirprog="${MKDIRPROG-mkdir}"
cannam@85: 
cannam@85: transformbasename=""
cannam@85: transform_arg=""
cannam@85: instcmd="$mvprog"
cannam@85: chmodcmd="$chmodprog 0755"
cannam@85: chowncmd=""
cannam@85: chgrpcmd=""
cannam@85: stripcmd=""
cannam@85: rmcmd="$rmprog -f"
cannam@85: mvcmd="$mvprog"
cannam@85: src=""
cannam@85: dst=""
cannam@85: dir_arg=""
cannam@85: 
cannam@85: while [ x"$1" != x ]; do
cannam@85:     case $1 in
cannam@85: 	-c) instcmd=$cpprog
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-d) dir_arg=true
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-m) chmodcmd="$chmodprog $2"
cannam@85: 	    shift
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-o) chowncmd="$chownprog $2"
cannam@85: 	    shift
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-g) chgrpcmd="$chgrpprog $2"
cannam@85: 	    shift
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-s) stripcmd=$stripprog
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85: 
cannam@85: 	*)  if [ x"$src" = x ]
cannam@85: 	    then
cannam@85: 		src=$1
cannam@85: 	    else
cannam@85: 		# this colon is to work around a 386BSD /bin/sh bug
cannam@85: 		:
cannam@85: 		dst=$1
cannam@85: 	    fi
cannam@85: 	    shift
cannam@85: 	    continue;;
cannam@85:     esac
cannam@85: done
cannam@85: 
cannam@85: if [ x"$src" = x ]
cannam@85: then
cannam@85: 	echo "$0: no input file specified" >&2
cannam@85: 	exit 1
cannam@85: else
cannam@85: 	:
cannam@85: fi
cannam@85: 
cannam@85: if [ x"$dir_arg" != x ]; then
cannam@85: 	dst=$src
cannam@85: 	src=""
cannam@85: 
cannam@85: 	if [ -d "$dst" ]; then
cannam@85: 		instcmd=:
cannam@85: 		chmodcmd=""
cannam@85: 	else
cannam@85: 		instcmd=$mkdirprog
cannam@85: 	fi
cannam@85: else
cannam@85: 
cannam@85: # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
cannam@85: # might cause directories to be created, which would be especially bad
cannam@85: # if $src (and thus $dsttmp) contains '*'.
cannam@85: 
cannam@85: 	if [ -f "$src" ] || [ -d "$src" ]
cannam@85: 	then
cannam@85: 		:
cannam@85: 	else
cannam@85: 		echo "$0: $src does not exist" >&2
cannam@85: 		exit 1
cannam@85: 	fi
cannam@85: 
cannam@85: 	if [ x"$dst" = x ]
cannam@85: 	then
cannam@85: 		echo "$0: no destination specified" >&2
cannam@85: 		exit 1
cannam@85: 	else
cannam@85: 		:
cannam@85: 	fi
cannam@85: 
cannam@85: # If destination is a directory, append the input filename; if your system
cannam@85: # does not like double slashes in filenames, you may need to add some logic
cannam@85: 
cannam@85: 	if [ -d "$dst" ]
cannam@85: 	then
cannam@85: 		dst=$dst/`basename "$src"`
cannam@85: 	else
cannam@85: 		:
cannam@85: 	fi
cannam@85: fi
cannam@85: 
cannam@85: ## this sed command emulates the dirname command
cannam@85: dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
cannam@85: 
cannam@85: # Make sure that the destination directory exists.
cannam@85: #  this part is taken from Noah Friedman's mkinstalldirs script
cannam@85: 
cannam@85: # Skip lots of stat calls in the usual case.
cannam@85: if [ ! -d "$dstdir" ]; then
cannam@85: defaultIFS='
cannam@85: 	'
cannam@85: IFS="${IFS-$defaultIFS}"
cannam@85: 
cannam@85: oIFS=$IFS
cannam@85: # Some sh's can't handle IFS=/ for some reason.
cannam@85: IFS='%'
cannam@85: set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
cannam@85: IFS=$oIFS
cannam@85: 
cannam@85: pathcomp=''
cannam@85: 
cannam@85: while [ $# -ne 0 ] ; do
cannam@85: 	pathcomp=$pathcomp$1
cannam@85: 	shift
cannam@85: 
cannam@85: 	if [ ! -d "$pathcomp" ] ;
cannam@85:         then
cannam@85: 		$mkdirprog "$pathcomp"
cannam@85: 	else
cannam@85: 		:
cannam@85: 	fi
cannam@85: 
cannam@85: 	pathcomp=$pathcomp/
cannam@85: done
cannam@85: fi
cannam@85: 
cannam@85: if [ x"$dir_arg" != x ]
cannam@85: then
cannam@85: 	$doit $instcmd "$dst" &&
cannam@85: 
cannam@85: 	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
cannam@85: 	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
cannam@85: 	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
cannam@85: 	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
cannam@85: else
cannam@85: 
cannam@85: # If we're going to rename the final executable, determine the name now.
cannam@85: 
cannam@85: 	if [ x"$transformarg" = x ]
cannam@85: 	then
cannam@85: 		dstfile=`basename "$dst"`
cannam@85: 	else
cannam@85: 		dstfile=`basename "$dst" $transformbasename |
cannam@85: 			sed $transformarg`$transformbasename
cannam@85: 	fi
cannam@85: 
cannam@85: # don't allow the sed command to completely eliminate the filename
cannam@85: 
cannam@85: 	if [ x"$dstfile" = x ]
cannam@85: 	then
cannam@85: 		dstfile=`basename "$dst"`
cannam@85: 	else
cannam@85: 		:
cannam@85: 	fi
cannam@85: 
cannam@85: # Make a couple of temp file names in the proper directory.
cannam@85: 
cannam@85: 	dsttmp=$dstdir/#inst.$$#
cannam@85: 	rmtmp=$dstdir/#rm.$$#
cannam@85: 
cannam@85: # Trap to clean up temp files at exit.
cannam@85: 
cannam@85: 	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
cannam@85: 	trap '(exit $?); exit' 1 2 13 15
cannam@85: 
cannam@85: # Move or copy the file name to the temp name
cannam@85: 
cannam@85: 	$doit $instcmd "$src" "$dsttmp" &&
cannam@85: 
cannam@85: # and set any options; do chmod last to preserve setuid bits
cannam@85: 
cannam@85: # If any of these fail, we abort the whole thing.  If we want to
cannam@85: # ignore errors from any of these, just make sure not to ignore
cannam@85: # errors from the above "$doit $instcmd $src $dsttmp" command.
cannam@85: 
cannam@85: 	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
cannam@85: 	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
cannam@85: 	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
cannam@85: 	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
cannam@85: 
cannam@85: # Now remove or move aside any old file at destination location.  We try this
cannam@85: # two ways since rm can't unlink itself on some systems and the destination
cannam@85: # file might be busy for other reasons.  In this case, the final cleanup
cannam@85: # might fail but the new file should still install successfully.
cannam@85: 
cannam@85: {
cannam@85: 	if [ -f "$dstdir/$dstfile" ]
cannam@85: 	then
cannam@85: 		$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
cannam@85: 		$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
cannam@85: 		{
cannam@85: 		  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
cannam@85: 		  (exit 1); exit
cannam@85: 		}
cannam@85: 	else
cannam@85: 		:
cannam@85: 	fi
cannam@85: } &&
cannam@85: 
cannam@85: # Now rename the file to the real destination.
cannam@85: 
cannam@85: 	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
cannam@85: 
cannam@85: fi &&
cannam@85: 
cannam@85: # The final little trick to "correctly" pass the exit status to the exit trap.
cannam@85: 
cannam@85: {
cannam@85: 	(exit 0); exit
cannam@85: }