xref: /freebsd/contrib/file/install-sh (revision dd41de95a84d979615a2ef11df6850622bf6184e) 
1#!/bin/sh
2#
3# $NetBSD: install-sh.in,v 1.6 2012/01/11 13:07:31 hans Exp $
4# This script now also installs multiple files, but might choke on installing
5# multiple files with spaces in the file names.
6#
7# install - install a program, script, or datafile
8# This comes from X11R5 (mit/util/scripts/install.sh).
9#
10# Copyright 1991 by the Massachusetts Institute of Technology
11#
12# Permission to use, copy, modify, distribute, and sell this software and its
13# documentation for any purpose is hereby granted without fee, provided that
14# the above copyright notice appear in all copies and that both that
15# copyright notice and this permission notice appear in supporting
16# documentation, and that the name of M.I.T. not be used in advertising or
17# publicity pertaining to distribution of the software without specific,
18# written prior permission.  M.I.T. makes no representations about the
19# suitability of this software for any purpose.  It is provided "as is"
20# without express or implied warranty.
21#
22# Calling this script install-sh is preferred over install.sh, to prevent
23# `make' implicit rules from creating a file called install from it
24# when there is no Makefile.
25#
26# This script is compatible with the BSD install script, but was written
27# from scratch.
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="${DOITPROG-}"
33
34
35# put in absolute paths if you don't have them in your path; or use env. vars.
36
37awkprog="${AWKPROG-awk}"
38mvprog="${MVPROG-mv}"
39cpprog="${CPPROG-cp}"
40chmodprog="${CHMODPROG-chmod}"
41chownprog="${CHOWNPROG-chown}"
42chgrpprog="${CHGRPPROG-chgrp}"
43stripprog="${STRIPPROG-strip}"
44rmprog="${RMPROG-rm}"
45mkdirprog="${MKDIRPROG-mkdir}"
46
47instcmd="$cpprog"
48instflags=""
49pathcompchmodcmd="$chmodprog 755"
50chmodcmd="$chmodprog 755"
51chowncmd=""
52chgrpcmd=""
53stripcmd=""
54stripflags=""
55rmcmd="$rmprog -f"
56mvcmd="$mvprog"
57src=""
58msrc=""
59dst=""
60dir_arg=""
61suffix=""
62suffixfmt=""
63
64while [ x"$1" != x ]; do
65    case $1 in
66	-b) suffix=".old"
67	    shift
68	    continue;;
69
70	-B) suffixfmt="$2"
71	    shift
72	    shift
73	    continue;;
74
75	-c) instcmd="$cpprog"
76	    shift
77	    continue;;
78
79	-d) dir_arg=true
80	    shift
81	    continue;;
82
83	-m) chmodcmd="$chmodprog $2"
84	    shift
85	    shift
86	    continue;;
87
88	-m*)
89	    chmodcmd="$chmodprog ${1#-m}"
90	    shift
91	    continue;;
92
93	-o) chowncmd="$chownprog $2"
94	    shift
95	    shift
96	    continue;;
97
98	-g) chgrpcmd="$chgrpprog $2"
99	    shift
100	    shift
101	    continue;;
102
103	-s) stripcmd="$stripprog"
104	    shift
105	    continue;;
106
107	-S) stripcmd="$stripprog"
108	    stripflags="-S $2 $stripflags"
109	    shift
110	    shift
111	    continue;;
112
113	-p) instflags="-p"
114	    shift
115	    continue;;
116
117	*)  if [ x"$msrc" = x ]
118	    then
119		msrc="$dst"
120	    else
121		msrc="$msrc $dst"
122	    fi
123	    src="$dst"
124	    dst="$1"
125	    shift
126	    continue;;
127    esac
128done
129
130if [ x"$dir_arg" = x ]
131then
132	dstisfile=""
133	if [ ! -d "$dst" ]
134	then
135		if [ x"$msrc" = x"$src" ]
136		then
137			dstisfile=true
138		else
139			echo "install: destination is not a directory"
140			exit 1
141		fi
142	fi
143else
144	msrc="$msrc $dst"
145fi
146
147if [ x"$msrc" = x ]
148then
149	echo "install: no destination specified"
150	exit 1
151fi
152
153for srcarg in $msrc; do
154
155if [ x"$dir_arg" != x ]; then
156
157	dstarg="$srcarg"
158else
159	dstarg="$dst"
160
161# Waiting for this to be detected by the "$instcmd $srcarg $dsttmp" command
162# might cause directories to be created, which would be especially bad
163# if $src (and thus $dsttmp) contains '*'.
164
165	if [ -f "$srcarg" ]
166	then
167		doinst="$instcmd $instflags"
168	elif [ -d "$srcarg" ]
169	then
170		echo "install: $srcarg: not a regular file"
171		exit 1
172	elif [ "$srcarg" = "/dev/null" ]
173	then
174		doinst="$cpprog"
175	else
176		echo "install:  $srcarg does not exist"
177		exit 1
178	fi
179
180# If destination is a directory, append the input filename; if your system
181# does not like double slashes in filenames, you may need to add some logic
182
183	if [ -d "$dstarg" ]
184	then
185		dstarg="$dstarg"/`basename "$srcarg"`
186	fi
187fi
188
189## this sed command emulates the dirname command
190dstdir=`echo "$dstarg" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
191
192# Make sure that the destination directory exists.
193#  this part is taken from Noah Friedman's mkinstalldirs script
194
195# Skip lots of stat calls in the usual case.
196if [ ! -d "$dstdir" ]; then
197defaultIFS='
198'
199IFS="${IFS-${defaultIFS}}"
200
201oIFS="${IFS}"
202# Some sh's can't handle IFS=/ for some reason.
203IFS='%'
204set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
205IFS="${oIFS}"
206
207pathcomp=''
208
209while [ $# -ne 0 ] ; do
210	pathcomp="${pathcomp}${1}"
211	shift
212
213	if [ ! -d "${pathcomp}" ] ;
214        then
215		$doit $mkdirprog "${pathcomp}"
216        	if [ x"$chowncmd" != x ]; then $doit $chowncmd "${pathcomp}"; else true ; fi &&
217        	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "${pathcomp}"; else true ; fi &&
218        	if [ x"$pathcompchmodcmd" != x ]; then $doit $pathcompchmodcmd "${pathcomp}"; else true ; fi
219
220	else
221		true
222	fi
223
224	pathcomp="${pathcomp}/"
225done
226fi
227
228	if [ x"$dir_arg" != x ]
229	then
230		if [ -d "$dstarg" ]; then
231			true
232		else
233			$doit $mkdirprog "$dstarg" &&
234
235			if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dstarg"; else true ; fi &&
236			if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dstarg"; else true ; fi &&
237			if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dstarg"; else true ; fi
238		fi
239	else
240
241		if [ x"$dstisfile" = x ]
242		then
243			file=$srcarg
244		else
245			file=$dst
246		fi
247
248		dstfile=`basename "$file"`
249		dstfinal="$dstdir/$dstfile"
250
251# Make a temp file name in the proper directory.
252
253		dsttmp=$dstdir/#inst.$$#
254
255# Make a backup file name in the proper directory.
256		case x$suffixfmt in
257		*%*)	suffix=`echo x |
258			$awkprog -v bname="$dstfinal" -v fmt="$suffixfmt" '
259			{ cnt = 0;
260			  do {
261				sfx = sprintf(fmt, cnt++);
262				name = bname sfx;
263			  } while (system("test -f " name) == 0);
264			  print sfx; }' -`;;
265		x)	;;
266		*)	suffix="$suffixfmt";;
267		esac
268		dstbackup="$dstfinal$suffix"
269
270# Move or copy the file name to the temp name
271
272		$doit $doinst $srcarg "$dsttmp" &&
273
274		trap "rm -f ${dsttmp}" 0 &&
275
276# and set any options; do chmod last to preserve setuid bits
277
278# If any of these fail, we abort the whole thing.  If we want to
279# ignore errors from any of these, just make sure not to ignore
280# errors from the above "$doit $instcmd $src $dsttmp" command.
281
282		if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else true;fi &&
283		if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else true;fi &&
284		if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripflags "$dsttmp"; else true;fi &&
285		if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else true;fi &&
286
287# Now rename the file to the real destination.
288
289		if [ x"$suffix" != x ] && [ -f "$dstfinal" ]
290		then
291			$doit $mvcmd "$dstfinal" "$dstbackup"
292		else
293			$doit $rmcmd -f "$dstfinal"
294		fi &&
295		$doit $mvcmd "$dsttmp" "$dstfinal"
296	fi
297
298done &&
299
300
301exit 0
302