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1 #!/bin/sh
2 # install - install a program, script, or datafile
3
4 scriptversion=2004-09-10.20
5
6 # This originates from X11R5 (mit/util/scripts/install.sh), which was
7 # later released in X11R6 (xc/config/util/install.sh) with the
8 # following copyright and license.
9 #
10 # Copyright (C) 1994 X Consortium
11 #
12 # Permission is hereby granted, free of charge, to any person obtaining a copy
13 # of this software and associated documentation files (the "Software"), to
14 # deal in the Software without restriction, including without limitation the
15 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
16 # sell copies of the Software, and to permit persons to whom the Software is
17 # furnished to do so, subject to the following conditions:
18 #
19 # The above copyright notice and this permission notice shall be included in
20 # all copies or substantial portions of the Software.
21 #
22 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
25 # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
26 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
27 # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #
29 # Except as contained in this notice, the name of the X Consortium shall not
30 # be used in advertising or otherwise to promote the sale, use or other deal-
31 # ings in this Software without prior written authorization from the X Consor-
32 # tium.
33 #
34 #
35 # FSF changes to this file are in the public domain.
36 #
37 # Calling this script install-sh is preferred over install.sh, to prevent
38 # `make' implicit rules from creating a file called install from it
39 # when there is no Makefile.
40 #
41 # This script is compatible with the BSD install script, but was written
42 # from scratch. It can only install one file at a time, a restriction
43 # shared with many OS's install programs.
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.
48 doit="${DOITPROG-}"
49
50 # put in absolute paths if you don't have them in your path; or use env. vars.
51
52 mvprog="${MVPROG-mv}"
53 cpprog="${CPPROG-cp}"
54 chmodprog="${CHMODPROG-chmod}"
55 chownprog="${CHOWNPROG-chown}"
56 chgrpprog="${CHGRPPROG-chgrp}"
57 stripprog="${STRIPPROG-strip}"
58 rmprog="${RMPROG-rm}"
59 mkdirprog="${MKDIRPROG-mkdir}"
60
61 chmodcmd="$chmodprog 0755"
62 chowncmd=
63 chgrpcmd=
64 stripcmd=
65 rmcmd="$rmprog -f"
66 mvcmd="$mvprog"
67 src=
68 dst=
69 dir_arg=
70 dstarg=
71 no_target_directory=
72
73 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
74 or: $0 [OPTION]... SRCFILES... DIRECTORY
75 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
76 or: $0 [OPTION]... -d DIRECTORIES...
77
78 In the 1st form, copy SRCFILE to DSTFILE.
79 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
80 In the 4th, create DIRECTORIES.
81
82 Options:
83 -c (ignored)
84 -d create directories instead of installing files.
85 -g GROUP $chgrpprog installed files to GROUP.
86 -m MODE $chmodprog installed files to MODE.
87 -o USER $chownprog installed files to USER.
88 -s $stripprog installed files.
89 -t DIRECTORY install into DIRECTORY.
90 -T report an error if DSTFILE is a directory.
91 --help display this help and exit.
92 --version display version info and exit.
93
94 Environment variables override the default commands:
95 CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
96 "
97
98 while test -n "$1"; do
99 case $1 in
100 -c) shift
101 continue;;
102
103 -d) dir_arg=true
104 shift
105 continue;;
106
107 -g) chgrpcmd="$chgrpprog $2"
108 shift
109 shift
110 continue;;
111
112 --help) echo "$usage"; exit 0;;
113
114 -m) chmodcmd="$chmodprog $2"
115 shift
116 shift
117 continue;;
118
119 -o) chowncmd="$chownprog $2"
120 shift
121 shift
122 continue;;
123
124 -s) stripcmd=$stripprog
125 shift
126 continue;;
127
128 -t) dstarg=$2
129 shift
130 shift
131 continue;;
132
133 -T) no_target_directory=true
134 shift
135 continue;;
136
137 --version) echo "$0 $scriptversion"; exit 0;;
138
139 *) # When -d is used, all remaining arguments are directories to create.
140 # When -t is used, the destination is already specified.
141 test -n "$dir_arg$dstarg" && break
142 # Otherwise, the last argument is the destination. Remove it from $@.
143 for arg
144 do
145 if test -n "$dstarg"; then
146 # $@ is not empty: it contains at least $arg.
147 set fnord "$@" "$dstarg"
148 shift # fnord
149 fi
150 shift # arg
151 dstarg=$arg
152 done
153 break;;
154 esac
155 done
156
157 if test -z "$1"; then
158 if test -z "$dir_arg"; then
159 echo "$0: no input file specified." >&2
160 exit 1
161 fi
162 # It's OK to call `install-sh -d' without argument.
163 # This can happen when creating conditional directories.
164 exit 0
165 fi
166
167 for src
168 do
169 # Protect names starting with `-'.
170 case $src in
171 -*) src=./$src ;;
172 esac
173
174 if test -n "$dir_arg"; then
175 dst=$src
176 src=
177
178 if test -d "$dst"; then
179 mkdircmd=:
180 chmodcmd=
181 else
182 mkdircmd=$mkdirprog
183 fi
184 else
185 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
186 # might cause directories to be created, which would be especially bad
187 # if $src (and thus $dsttmp) contains '*'.
188 if test ! -f "$src" && test ! -d "$src"; then
189 echo "$0: $src does not exist." >&2
190 exit 1
191 fi
192
193 if test -z "$dstarg"; then
194 echo "$0: no destination specified." >&2
195 exit 1
196 fi
197
198 dst=$dstarg
199 # Protect names starting with `-'.
200 case $dst in
201 -*) dst=./$dst ;;
202 esac
203
204 # If destination is a directory, append the input filename; won't work
205 # if double slashes aren't ignored.
206 if test -d "$dst"; then
207 if test -n "$no_target_directory"; then
208 echo "$0: $dstarg: Is a directory" >&2
209 exit 1
210 fi
211 dst=$dst/`basename "$src"`
212 fi
213 fi
214
215 # This sed command emulates the dirname command.
216 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
217
218 # Make sure that the destination directory exists.
219
220 # Skip lots of stat calls in the usual case.
221 if test ! -d "$dstdir"; then
222 defaultIFS='
223 '
224 IFS="${IFS-$defaultIFS}"
225
226 oIFS=$IFS
227 # Some sh's can't handle IFS=/ for some reason.
228 IFS='%'
229 set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
230 IFS=$oIFS
231
232 pathcomp=
233
234 while test $# -ne 0 ; do
235 pathcomp=$pathcomp$1
236 shift
237 if test ! -d "$pathcomp"; then
238 $mkdirprog "$pathcomp"
239 # mkdir can fail with a `File exist' error in case several
240 # install-sh are creating the directory concurrently. This
241 # is OK.
242 test -d "$pathcomp" || exit
243 fi
244 pathcomp=$pathcomp/
245 done
246 fi
247
248 if test -n "$dir_arg"; then
249 $doit $mkdircmd "$dst" \
250 && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
251 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
252 && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
253 && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
254
255 else
256 dstfile=`basename "$dst"`
257
258 # Make a couple of temp file names in the proper directory.
259 dsttmp=$dstdir/_inst.$$_
260 rmtmp=$dstdir/_rm.$$_
261
262 # Trap to clean up those temp files at exit.
263 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
264 trap '(exit $?); exit' 1 2 13 15
265
266 # Copy the file name to the temp name.
267 $doit $cpprog "$src" "$dsttmp" &&
268
269 # and set any options; do chmod last to preserve setuid bits.
270 #
271 # If any of these fail, we abort the whole thing. If we want to
272 # ignore errors from any of these, just make sure not to ignore
273 # errors from the above "$doit $cpprog $src $dsttmp" command.
274 #
275 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
276 && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
277 && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
278 && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
279
280 # Now rename the file to the real destination.
281 { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
282 || {
283 # The rename failed, perhaps because mv can't rename something else
284 # to itself, or perhaps because mv is so ancient that it does not
285 # support -f.
286
287 # Now remove or move aside any old file at destination location.
288 # We try this two ways since rm can't unlink itself on some
289 # systems and the destination file might be busy for other
290 # reasons. In this case, the final cleanup might fail but the new
291 # file should still install successfully.
292 {
293 if test -f "$dstdir/$dstfile"; then
294 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
295 || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
296 || {
297 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
298 (exit 1); exit
299 }
300 else
301 :
302 fi
303 } &&
304
305 # Now rename the file to the real destination.
306 $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
307 }
308 }
309 fi || { (exit 1); exit; }
310 done
311
312 # The final little trick to "correctly" pass the exit status to the exit trap.
313 {
314 (exit 0); exit
315 }
316
317 # Local variables:
318 # eval: (add-hook 'write-file-hooks 'time-stamp)
319 # time-stamp-start: "scriptversion="
320 # time-stamp-format: "%:y-%02m-%02d.%02H"
321 # time-stamp-end: "$"
322 # End: