1#! /bin/sh
2#	$OpenBSD: install-sh,v 1.2 2000/10/03 14:31:55 ho Exp $
3
4#
5# install - install a program, script, or datafile
6# This comes from X11R5 (mit/util/scripts/install.sh).
7#
8# Copyright 1991 by the Massachusetts Institute of Technology
9#
10# Permission to use, copy, modify, distribute, and sell this software and its
11# documentation for any purpose is hereby granted without fee, provided that
12# the above copyright notice appear in all copies and that both that
13# copyright notice and this permission notice appear in supporting
14# documentation, and that the name of M.I.T. not be used in advertising or
15# publicity pertaining to distribution of the software without specific,
16# written prior permission.  M.I.T. makes no representations about the
17# suitability of this software for any purpose.  It is provided "as is"
18# without express or implied warranty.
19#
20# Calling this script install-sh is preferred over install.sh, to prevent
21# `make' implicit rules from creating a file called install from it
22# when there is no Makefile.
23#
24# This script is compatible with the BSD install script, but was written
25# from scratch.  It can only install one file at a time, a restriction
26# shared with many OS's install programs.
27
28
29# set DOITPROG to echo to test this script
30
31# Don't use :- since 4.3BSD and earlier shells don't like it.
32doit="${DOITPROG-}"
33
34
35# put in absolute paths if you don't have them in your path; or use env. vars.
36
37mvprog="${MVPROG-mv}"
38cpprog="${CPPROG-cp}"
39chmodprog="${CHMODPROG-chmod}"
40chownprog="${CHOWNPROG-chown}"
41chgrpprog="${CHGRPPROG-chgrp}"
42stripprog="${STRIPPROG-strip}"
43rmprog="${RMPROG-rm}"
44mkdirprog="${MKDIRPROG-mkdir}"
45
46transformbasename=""
47transform_arg=""
48instcmd="$mvprog"
49chmodcmd="$chmodprog 0755"
50chowncmd=""
51chgrpcmd=""
52stripcmd=""
53rmcmd="$rmprog -f"
54mvcmd="$mvprog"
55src=""
56dst=""
57dir_arg=""
58
59while [ x"$1" != x ]; do
60    case $1 in
61	-c) instcmd="$cpprog"
62	    shift
63	    continue;;
64
65	-d) dir_arg=true
66	    shift
67	    continue;;
68
69	-m) chmodcmd="$chmodprog $2"
70	    shift
71	    shift
72	    continue;;
73
74	-o) chowncmd="$chownprog $2"
75	    shift
76	    shift
77	    continue;;
78
79	-g) chgrpcmd="$chgrpprog $2"
80	    shift
81	    shift
82	    continue;;
83
84	-s) stripcmd="$stripprog"
85	    shift
86	    continue;;
87
88	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
89	    shift
90	    continue;;
91
92	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
93	    shift
94	    continue;;
95
96	*)  if [ x"$src" = x ]
97	    then
98		src=$1
99	    else
100		# this colon is to work around a 386BSD /bin/sh bug
101		:
102		dst=$1
103	    fi
104	    shift
105	    continue;;
106    esac
107done
108
109if [ x"$src" = x ]
110then
111	echo "install:	no input file specified"
112	exit 1
113else
114	true
115fi
116
117if [ x"$dir_arg" != x ]; then
118	dst=$src
119	src=""
120	
121	if [ -d $dst ]; then
122		instcmd=:
123	else
124		instcmd=mkdir
125	fi
126else
127
128# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
129# might cause directories to be created, which would be especially bad 
130# if $src (and thus $dsttmp) contains '*'.
131
132	if [ -f $src -o -d $src ]
133	then
134		true
135	else
136		echo "install:  $src does not exist"
137		exit 1
138	fi
139	
140	if [ x"$dst" = x ]
141	then
142		echo "install:	no destination specified"
143		exit 1
144	else
145		true
146	fi
147
148# If destination is a directory, append the input filename; if your system
149# does not like double slashes in filenames, you may need to add some logic
150
151	if [ -d $dst ]
152	then
153		dst="$dst"/`basename $src`
154	else
155		true
156	fi
157fi
158
159## this sed command emulates the dirname command
160dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
161
162# Make sure that the destination directory exists.
163#  this part is taken from Noah Friedman's mkinstalldirs script
164
165# Skip lots of stat calls in the usual case.
166if [ ! -d "$dstdir" ]; then
167defaultIFS='	
168'
169IFS="${IFS-${defaultIFS}}"
170
171oIFS="${IFS}"
172# Some sh's can't handle IFS=/ for some reason.
173IFS='%'
174set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
175IFS="${oIFS}"
176
177pathcomp=''
178
179while [ $# -ne 0 ] ; do
180	pathcomp="${pathcomp}${1}"
181	shift
182
183	if [ ! -d "${pathcomp}" ] ;
184        then
185		$mkdirprog "${pathcomp}"
186	else
187		true
188	fi
189
190	pathcomp="${pathcomp}/"
191done
192fi
193
194if [ x"$dir_arg" != x ]
195then
196	$doit $instcmd $dst &&
197
198	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
199	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
200	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
201	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
202else
203
204# If we're going to rename the final executable, determine the name now.
205
206	if [ x"$transformarg" = x ] 
207	then
208		dstfile=`basename $dst`
209	else
210		dstfile=`basename $dst $transformbasename | 
211			sed $transformarg`$transformbasename
212	fi
213
214# don't allow the sed command to completely eliminate the filename
215
216	if [ x"$dstfile" = x ] 
217	then
218		dstfile=`basename $dst`
219	else
220		true
221	fi
222
223# Make a temp file name in the proper directory.
224
225	dsttmp=$dstdir/#inst.$$#
226
227# Move or copy the file name to the temp name
228
229	$doit $instcmd $src $dsttmp &&
230
231	trap "rm -f ${dsttmp}" 0 &&
232
233# and set any options; do chmod last to preserve setuid bits
234
235# If any of these fail, we abort the whole thing.  If we want to
236# ignore errors from any of these, just make sure not to ignore
237# errors from the above "$doit $instcmd $src $dsttmp" command.
238
239	if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
240	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
241	if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
242	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
243
244# Now rename the file to the real destination.
245
246	$doit $rmcmd -f $dstdir/$dstfile &&
247	$doit $mvcmd $dsttmp $dstdir/$dstfile 
248
249fi &&
250
251
252exit 0
253