install.sh

一个用于点对点传输加密的工具包源码

#!/bin/sh
#
# install - install a program, script, or datafile
# This comes from X11R5; it is not part of GNU.
#
# $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
#
# This script is compatible with the BSD install script, but was written
# from scratch.
#


# set DOITPROG to echo to test this script

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}"

instcmd="$mvprog"
chmodcmd=""
chowncmd=""
chgrpcmd=""
stripcmd=""
rmcmd="$rmprog -f"
src=""
dst=""

while [ x"$1" != x ]; do
    case $1 in
	-c) instcmd="$cpprog"
	    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;;

	*)  if [ x"$src" = x ]
	    then
		src=$1
	    else
		dst=$1
	    fi
	    shift
	    continue;;
    esac
done

if [ x"$src" = x ]
then
	echo "install:  no input file specified"
	exit 1
fi

if [ x"$dst" = x ]
then
	echo "install:  no destination specified"
	exit 1
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`
fi


# get rid of the old one and mode the new one in

$doit $rmcmd $dst
$doit $instcmd $src $dst


# and set any options; do chmod last to preserve setuid bits

if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; fi
if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; fi
if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; fi
if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; fi

exit 0