2521N/A# install - install a program, script, or datafile 2521N/A# Copyright 1991 by the Massachusetts Institute of Technology 2521N/A# Permission to use, copy, modify, distribute, and sell this software and its 2521N/A# documentation for any purpose is hereby granted without fee, provided that 2521N/A# the above copyright notice appear in all copies and that both that 2521N/A# copyright notice and this permission notice appear in supporting 2521N/A# documentation, and that the name of M.I.T. not be used in advertising or 2521N/A# publicity pertaining to distribution of the software without specific, 2521N/A# written prior permission. M.I.T. makes no representations about the 2521N/A# suitability of this software for any purpose. It is provided "as is" 2521N/A# without express or implied warranty. 2521N/A# `make' implicit rules from creating a file called install from it 2521N/A# when there is no Makefile. 2521N/A# This script is compatible with the BSD install script, but was written 5403N/A# from scratch. It can only install one file at a time, a restriction 2521N/A# shared with many OS's install programs. 3998N/A# set DOITPROG to echo to test this script 2521N/A# Don't use :- since 4.3BSD and earlier shells don't like it. 2521N/A# put in absolute paths if you don't have them in your path; or use env. vars. 3998N/A echo "install: no input file specified" 3998N/A# Waiting for this to be detected by the "$instcmd $src $dsttmp" command 6854N/A# might cause directories to be created, which would be especially bad 3998N/A# if $src (and thus $dsttmp) contains '*'. 3998N/A echo "install: no destination specified" 3998N/A# If destination is a directory, append the input filename; if your system 6854N/A# does not like double slashes in filenames, you may need to add some logic 3998N/A## this sed command emulates the dirname command 5860N/A# Make sure that the destination directory exists. 4194N/A# this part is taken from Noah Friedman's mkinstalldirs script 6854N/A# Skip lots of stat calls in the usual case. 4194N/A# Some sh's can't handle IFS=/ for some reason. 6854N/A if [ ! -d
"${pathcomp}" ] ;
3998N/A# If we're going to rename the final executable, determine the name now. 5403N/A# don't allow the sed command to completely eliminate the filename 5403N/A# Make a temp file name in the proper directory. 5403N/A# Move or copy the file name to the temp name 5403N/A trap "rm -f ${dsttmp}" 0 &&
5860N/A# and set any options; do chmod last to preserve setuid bits 5860N/A# If any of these fail, we abort the whole thing. If we want to 5403N/A# ignore errors from any of these, just make sure not to ignore 6854N/A# errors from the above "$doit $instcmd $src $dsttmp" command. 5860N/A# Now rename the file to the real destination.