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1 | #!/bin/sh |
2 | # install - install a program, script, or datafile | |
3 | ||
4 | scriptversion=2005-05-14.22 | |
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 $?;; | |
113 | ||
114 | -m) chmodcmd="$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 $?;; | |
138 | ||
139 | *) # When -d is used, all remaining arguments are directories to create. | |
140 | # When -t is used, the destination is already specified. | |
141 | test -n "$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,/*$,,;s,^$,.,'` | |
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 x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'` | |
230 | shift | |
231 | IFS=$oIFS | |
232 | ||
233 | pathcomp= | |
234 | ||
235 | while test $# -ne 0 ; do | |
236 | pathcomp=$pathcomp$1 | |
237 | shift | |
238 | if test ! -d "$pathcomp"; then | |
239 | $mkdirprog "$pathcomp" | |
240 | # mkdir can fail with a `File exist' error in case several | |
241 | # install-sh are creating the directory concurrently. This | |
242 | # is OK. | |
243 | test -d "$pathcomp" || exit | |
244 | fi | |
245 | pathcomp=$pathcomp/ | |
246 | done | |
247 | fi | |
248 | ||
249 | if test -n "$dir_arg"; then | |
250 | $doit $mkdircmd "$dst" \ | |
251 | && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \ | |
252 | && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \ | |
253 | && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \ | |
254 | && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; } | |
255 | ||
256 | else | |
257 | dstfile=`basename "$dst"` | |
258 | ||
259 | # Make a couple of temp file names in the proper directory. | |
260 | dsttmp=$dstdir/_inst.$$_ | |
261 | rmtmp=$dstdir/_rm.$$_ | |
262 | ||
263 | # Trap to clean up those temp files at exit. | |
264 | trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 | |
265 | trap '(exit $?); exit' 1 2 13 15 | |
266 | ||
267 | # Copy the file name to the temp name. | |
268 | $doit $cpprog "$src" "$dsttmp" && | |
269 | ||
270 | # and set any options; do chmod last to preserve setuid bits. | |
271 | # | |
272 | # If any of these fail, we abort the whole thing. If we want to | |
273 | # ignore errors from any of these, just make sure not to ignore | |
274 | # errors from the above "$doit $cpprog $src $dsttmp" command. | |
275 | # | |
276 | { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \ | |
277 | && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \ | |
278 | && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \ | |
279 | && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } && | |
280 | ||
281 | # Now rename the file to the real destination. | |
282 | { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \ | |
283 | || { | |
284 | # The rename failed, perhaps because mv can't rename something else | |
285 | # to itself, or perhaps because mv is so ancient that it does not | |
286 | # support -f. | |
287 | ||
288 | # Now remove or move aside any old file at destination location. | |
289 | # We try this two ways since rm can't unlink itself on some | |
290 | # systems and the destination file might be busy for other | |
291 | # reasons. In this case, the final cleanup might fail but the new | |
292 | # file should still install successfully. | |
293 | { | |
294 | if test -f "$dstdir/$dstfile"; then | |
295 | $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \ | |
296 | || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \ | |
297 | || { | |
298 | echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2 | |
299 | (exit 1); exit 1 | |
300 | } | |
301 | else | |
302 | : | |
303 | fi | |
304 | } && | |
305 | ||
306 | # Now rename the file to the real destination. | |
307 | $doit $mvcmd "$dsttmp" "$dstdir/$dstfile" | |
308 | } | |
309 | } | |
310 | fi || { (exit 1); exit 1; } | |
311 | done | |
312 | ||
313 | # The final little trick to "correctly" pass the exit status to the exit trap. | |
314 | { | |
315 | (exit 0); exit 0 | |
316 | } | |
317 | ||
318 | # Local variables: | |
319 | # eval: (add-hook 'write-file-hooks 'time-stamp) | |
320 | # time-stamp-start: "scriptversion=" | |
321 | # time-stamp-format: "%:y-%02m-%02d.%02H" | |
322 | # time-stamp-end: "$" | |
323 | # End: |