xref: /freebsd/contrib/byacc/install-sh (revision aa77200569e397d6ff1fdb4d255d0fa254d0a128)
1#! /bin/sh
2#
3# install - install a program, script, or datafile
4#
5# This originates from X11R5 (mit/util/scripts/install.sh), which was
6# later released in X11R6 (xc/config/util/install.sh) with the
7# following copyright and license.
8#
9# Copyright (C) 1994 X Consortium
10#
11# Permission is hereby granted, free of charge, to any person obtaining a copy
12# of this software and associated documentation files (the "Software"), to
13# deal in the Software without restriction, including without limitation the
14# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
15# sell copies of the Software, and to permit persons to whom the Software is
16# furnished to do so, subject to the following conditions:
17#
18# The above copyright notice and this permission notice shall be included in
19# all copies or substantial portions of the Software.
20#
21# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
22# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
24# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
25# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
26# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27#
28# Except as contained in this notice, the name of the X Consortium shall not
29# be used in advertising or otherwise to promote the sale, use or other deal-
30# ings in this Software without prior written authorization from the X Consor-
31# tium.
32#
33#
34# FSF changes to this file are in the public domain.
35#
36# Calling this script install-sh is preferred over install.sh, to prevent
37# `make' implicit rules from creating a file called install from it
38# when there is no Makefile.
39#
40# This script is compatible with the BSD install script, but was written
41# from scratch.  It can only install one file at a time, a restriction
42# shared with many OS's install programs.
43
44
45# set DOITPROG to echo to test this script
46
47# Don't use :- since 4.3BSD and earlier shells don't like it.
48doit="${DOITPROG-}"
49
50
51# put in absolute paths if you don't have them in your path; or use env. vars.
52
53mvprog="${MVPROG-mv}"
54cpprog="${CPPROG-cp}"
55chmodprog="${CHMODPROG-chmod}"
56chownprog="${CHOWNPROG-chown}"
57chgrpprog="${CHGRPPROG-chgrp}"
58stripprog="${STRIPPROG-strip}"
59rmprog="${RMPROG-rm}"
60mkdirprog="${MKDIRPROG-mkdir}"
61
62transformbasename=""
63transform_arg=""
64instcmd="$mvprog"
65chmodcmd="$chmodprog 0755"
66chowncmd=""
67chgrpcmd=""
68stripcmd=""
69rmcmd="$rmprog -f"
70mvcmd="$mvprog"
71src=""
72dst=""
73dir_arg=""
74
75while [ x"$1" != x ]; do
76    case $1 in
77	-c) instcmd=$cpprog
78	    shift
79	    continue;;
80
81	-d) dir_arg=true
82	    shift
83	    continue;;
84
85	-m) chmodcmd="$chmodprog $2"
86	    shift
87	    shift
88	    continue;;
89
90	-o) chowncmd="$chownprog $2"
91	    shift
92	    shift
93	    continue;;
94
95	-g) chgrpcmd="$chgrpprog $2"
96	    shift
97	    shift
98	    continue;;
99
100	-s) stripcmd=$stripprog
101	    shift
102	    continue;;
103
104	-t=*) transformarg=`echo $1 | sed 's/-t=//'`
105	    shift
106	    continue;;
107
108	-b=*) transformbasename=`echo $1 | sed 's/-b=//'`
109	    shift
110	    continue;;
111
112	*)  if [ x"$src" = x ]
113	    then
114		src=$1
115	    else
116		# this colon is to work around a 386BSD /bin/sh bug
117		:
118		dst=$1
119	    fi
120	    shift
121	    continue;;
122    esac
123done
124
125if [ x"$src" = x ]
126then
127	echo "$0: no input file specified" >&2
128	exit 1
129else
130	:
131fi
132
133if [ x"$dir_arg" != x ]; then
134	dst=$src
135	src=""
136
137	if [ -d "$dst" ]; then
138		instcmd=:
139		chmodcmd=""
140	else
141		instcmd=$mkdirprog
142	fi
143else
144
145# Waiting for this to be detected by the "$instcmd $src $dsttmp" command
146# might cause directories to be created, which would be especially bad
147# if $src (and thus $dsttmp) contains '*'.
148
149	if [ -f "$src" ] || [ -d "$src" ]
150	then
151		:
152	else
153		echo "$0: $src does not exist" >&2
154		exit 1
155	fi
156
157	if [ x"$dst" = x ]
158	then
159		echo "$0: no destination specified" >&2
160		exit 1
161	else
162		:
163	fi
164
165# If destination is a directory, append the input filename; if your system
166# does not like double slashes in filenames, you may need to add some logic
167
168	if [ -d "$dst" ]
169	then
170		dst=$dst/`basename "$src"`
171	else
172		:
173	fi
174fi
175
176## this sed command emulates the dirname command
177dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
178
179# Make sure that the destination directory exists.
180#  this part is taken from Noah Friedman's mkinstalldirs script
181
182# Skip lots of stat calls in the usual case.
183if [ ! -d "$dstdir" ]; then
184defaultIFS='
185	'
186IFS="${IFS-$defaultIFS}"
187
188oIFS=$IFS
189# Some sh's can't handle IFS=/ for some reason.
190IFS='%'
191set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
192IFS=$oIFS
193
194pathcomp=''
195
196while [ $# -ne 0 ] ; do
197	pathcomp=$pathcomp$1
198	shift
199
200	if [ ! -d "$pathcomp" ] ;
201        then
202		$mkdirprog "$pathcomp"
203	else
204		:
205	fi
206
207	pathcomp=$pathcomp/
208done
209fi
210
211if [ x"$dir_arg" != x ]
212then
213	$doit $instcmd "$dst" &&
214
215	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
216	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
217	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
218	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
219else
220
221# If we're going to rename the final executable, determine the name now.
222
223	if [ x"$transformarg" = x ]
224	then
225		dstfile=`basename "$dst"`
226	else
227		dstfile=`basename "$dst" $transformbasename |
228			sed $transformarg`$transformbasename
229	fi
230
231# don't allow the sed command to completely eliminate the filename
232
233	if [ x"$dstfile" = x ]
234	then
235		dstfile=`basename "$dst"`
236	else
237		:
238	fi
239
240# Make a couple of temp file names in the proper directory.
241
242	dsttmp=$dstdir/#inst.$$#
243	rmtmp=$dstdir/#rm.$$#
244
245# Trap to clean up temp files at exit.
246
247	trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
248	trap '(exit $?); exit' 1 2 13 15
249
250# Move or copy the file name to the temp name
251
252	$doit $instcmd "$src" "$dsttmp" &&
253
254# and set any options; do chmod last to preserve setuid bits
255
256# If any of these fail, we abort the whole thing.  If we want to
257# ignore errors from any of these, just make sure not to ignore
258# errors from the above "$doit $instcmd $src $dsttmp" command.
259
260	if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
261	if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
262	if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
263	if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
264
265# Now remove or move aside any old file at destination location.  We try this
266# two ways since rm can't unlink itself on some systems and the destination
267# file might be busy for other reasons.  In this case, the final cleanup
268# might fail but the new file should still install successfully.
269
270{
271	if [ -f "$dstdir/$dstfile" ]
272	then
273		$doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
274		$doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
275		{
276		  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
277		  (exit 1); exit
278		}
279	else
280		:
281	fi
282} &&
283
284# Now rename the file to the real destination.
285
286	$doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
287
288fi &&
289
290# The final little trick to "correctly" pass the exit status to the exit trap.
291
292{
293	(exit 0); exit
294}
295