opendir change: refinement
[minix.git] / external / bsd / file / dist / install-sh
blob2014eba4d7f1ea1a821f00c3ffecf2b43094cd62
1 #!/bin/sh
3 # $NetBSD: install-sh,v 1.4 2011/09/25 18:18:44 christos Exp $
4 # This script now also installs multiple files, but might choke on installing
5 # multiple files with spaces in the file names.
7 # install - install a program, script, or datafile
8 # This comes from X11R5 (mit/util/scripts/install.sh).
10 # Copyright 1991 by the Massachusetts Institute of Technology
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.
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.
26 # This script is compatible with the BSD install script, but was written
27 # from scratch.
29 # set DOITPROG to echo to test this script
31 # Don't use :- since 4.3BSD and earlier shells don't like it.
32 doit="${DOITPROG-}"
35 # put in absolute paths if you don't have them in your path; or use env. vars.
37 awkprog="${AWKPROG-awk}"
38 mvprog="${MVPROG-mv}"
39 cpprog="${CPPROG-cp}"
40 chmodprog="${CHMODPROG-chmod}"
41 chownprog="${CHOWNPROG-chown}"
42 chgrpprog="${CHGRPPROG-chgrp}"
43 stripprog="${STRIPPROG-strip}"
44 rmprog="${RMPROG-rm}"
45 mkdirprog="${MKDIRPROG-mkdir}"
47 instcmd="$mvprog"
48 pathcompchmodcmd="$chmodprog 755"
49 chmodcmd="$chmodprog 755"
50 chowncmd=""
51 chgrpcmd=""
52 stripcmd=""
53 stripflags=""
54 rmcmd="$rmprog -f"
55 mvcmd="$mvprog"
56 src=""
57 msrc=""
58 dst=""
59 dir_arg=""
60 suffix=""
61 suffixfmt=""
63 while [ x"$1" != x ]; do
64 case $1 in
65 -b) suffix=".old"
66 shift
67 continue;;
69 -B) suffixfmt="$2"
70 shift
71 shift
72 continue;;
74 -c) instcmd="$cpprog"
75 shift
76 continue;;
78 -d) dir_arg=true
79 shift
80 continue;;
82 -m) chmodcmd="$chmodprog $2"
83 shift
84 shift
85 continue;;
87 -o) chowncmd="$chownprog $2"
88 shift
89 shift
90 continue;;
92 -g) chgrpcmd="$chgrpprog $2"
93 shift
94 shift
95 continue;;
97 -s) stripcmd="$stripprog"
98 shift
99 continue;;
101 -S) stripcmd="$stripprog"
102 stripflags="-S $2 $stripflags"
103 shift
104 shift
105 continue;;
107 *) if [ x"$msrc" = x ]
108 then
109 msrc="$dst"
110 else
111 msrc="$msrc $dst"
113 src="$dst"
114 dst="$1"
115 shift
116 continue;;
117 esac
118 done
120 if [ x"$dir_arg" = x ]
121 then
122 dstisfile=""
123 if [ ! -d "$dst" ]
124 then
125 if [ x"$msrc" = x"$src" ]
126 then
127 dstisfile=true
128 else
129 echo "install: destination is not a directory"
130 exit 1
133 else
134 msrc="$msrc $dst"
137 if [ x"$msrc" = x ]
138 then
139 echo "install: no destination specified"
140 exit 1
143 for srcarg in $msrc; do
145 if [ x"$dir_arg" != x ]; then
147 dstarg="$srcarg"
148 else
149 dstarg="$dst"
151 # Waiting for this to be detected by the "$instcmd $srcarg $dsttmp" command
152 # might cause directories to be created, which would be especially bad
153 # if $src (and thus $dsttmp) contains '*'.
155 if [ -f "$srcarg" ]
156 then
157 doinst="$instcmd"
158 elif [ -d "$srcarg" ]
159 then
160 echo "install: $srcarg: not a regular file"
161 exit 1
162 elif [ "$srcarg" = "/dev/null" ]
163 then
164 doinst="$cpprog"
165 else
166 echo "install: $srcarg does not exist"
167 exit 1
170 # If destination is a directory, append the input filename; if your system
171 # does not like double slashes in filenames, you may need to add some logic
173 if [ -d "$dstarg" ]
174 then
175 dstarg="$dstarg"/`basename "$srcarg"`
179 ## this sed command emulates the dirname command
180 dstdir=`echo "$dstarg" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
182 # Make sure that the destination directory exists.
183 # this part is taken from Noah Friedman's mkinstalldirs script
185 # Skip lots of stat calls in the usual case.
186 if [ ! -d "$dstdir" ]; then
187 defaultIFS='
189 IFS="${IFS-${defaultIFS}}"
191 oIFS="${IFS}"
192 # Some sh's can't handle IFS=/ for some reason.
193 IFS='%'
194 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
195 IFS="${oIFS}"
197 pathcomp=''
199 while [ $# -ne 0 ] ; do
200 pathcomp="${pathcomp}${1}"
201 shift
203 if [ ! -d "${pathcomp}" ] ;
204 then
205 $doit $mkdirprog "${pathcomp}"
206 if [ x"$chowncmd" != x ]; then $doit $chowncmd "${pathcomp}"; else true ; fi &&
207 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "${pathcomp}"; else true ; fi &&
208 if [ x"$pathcompchmodcmd" != x ]; then $doit $pathcompchmodcmd "${pathcomp}"; else true ; fi
210 else
211 true
214 pathcomp="${pathcomp}/"
215 done
218 if [ x"$dir_arg" != x ]
219 then
220 if [ -d "$dstarg" ]; then
221 true
222 else
223 $doit $mkdirprog "$dstarg" &&
225 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dstarg"; else true ; fi &&
226 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dstarg"; else true ; fi &&
227 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dstarg"; else true ; fi
229 else
231 if [ x"$dstisfile" = x ]
232 then
233 file=$srcarg
234 else
235 file=$dst
238 dstfile=`basename "$file"`
239 dstfinal="$dstdir/$dstfile"
241 # Make a temp file name in the proper directory.
243 dsttmp=$dstdir/#inst.$$#
245 # Make a backup file name in the proper directory.
246 case x$suffixfmt in
247 *%*) suffix=`echo x |
248 $awkprog -v bname="$dstfinal" -v fmt="$suffixfmt" '
249 { cnt = 0;
250 do {
251 sfx = sprintf(fmt, cnt++);
252 name = bname sfx;
253 } while (system("test -f " name) == 0);
254 print sfx; }' -`;;
255 x) ;;
256 *) suffix="$suffixfmt";;
257 esac
258 dstbackup="$dstfinal$suffix"
260 # Move or copy the file name to the temp name
262 $doit $doinst $srcarg "$dsttmp" &&
264 trap "rm -f ${dsttmp}" 0 &&
266 # and set any options; do chmod last to preserve setuid bits
268 # If any of these fail, we abort the whole thing. If we want to
269 # ignore errors from any of these, just make sure not to ignore
270 # errors from the above "$doit $instcmd $src $dsttmp" command.
272 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else true;fi &&
273 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else true;fi &&
274 if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripflags "$dsttmp"; else true;fi &&
275 if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else true;fi &&
277 # Now rename the file to the real destination.
279 if [ x"$suffix" != x ] && [ -f "$dstfinal" ]
280 then
281 $doit $mvcmd "$dstfinal" "$dstbackup"
282 else
283 $doit $rmcmd -f "$dstfinal"
284 fi &&
285 $doit $mvcmd "$dsttmp" "$dstfinal"
288 done &&
291 exit 0