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