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1 #!/bin/sh
2 # install - install a program, script, or datafile
3
4 scriptversion=2011-11-20.07; # UTC
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.
43
44 nl='
45 '
46 IFS=" "" $nl"
47
48 # set DOITPROG to echo to test this script
49
50 # Don't use :- since 4.3BSD and earlier shells don't like it.
51 doit=${DOITPROG-}
52 if test -z "$doit"; then
53 doit_exec=exec
54 else
55 doit_exec=$doit
56 fi
57
58 # Put in absolute file names if you don't have them in your path;
59 # or use environment vars.
60
61 chgrpprog=${CHGRPPROG-chgrp}
62 chmodprog=${CHMODPROG-chmod}
63 chownprog=${CHOWNPROG-chown}
64 cmpprog=${CMPPROG-cmp}
65 cpprog=${CPPROG-cp}
66 mkdirprog=${MKDIRPROG-mkdir}
67 mvprog=${MVPROG-mv}
68 rmprog=${RMPROG-rm}
69 stripprog=${STRIPPROG-strip}
70
71 posix_glob='?'
72 initialize_posix_glob='
73 test "$posix_glob" != "?" || {
74 if (set -f) 2>/dev/null; then
75 posix_glob=
76 else
77 posix_glob=:
78 fi
79 }
80 '
81
82 posix_mkdir=
83
84 # Desired mode of installed file.
85 mode=0755
86
87 chgrpcmd=
88 chmodcmd=$chmodprog
89 chowncmd=
90 mvcmd=$mvprog
91 rmcmd="$rmprog -f"
92 stripcmd=
93
94 src=
95 dst=
96 dir_arg=
97 dst_arg=
98
99 copy_on_change=false
100 no_target_directory=
101
102 usage="\
103 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
104 or: $0 [OPTION]... SRCFILES... DIRECTORY
105 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
106 or: $0 [OPTION]... -d DIRECTORIES...
107
108 In the 1st form, copy SRCFILE to DSTFILE.
109 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
110 In the 4th, create DIRECTORIES.
111
112 Options:
113 --help display this help and exit.
114 --version display version info and exit.
115
116 -c (ignored)
117 -C install only if different (preserve the last data modification time)
118 -d create directories instead of installing files.
119 -g GROUP $chgrpprog installed files to GROUP.
120 -m MODE $chmodprog installed files to MODE.
121 -o USER $chownprog installed files to USER.
122 -s $stripprog installed files.
123 -t DIRECTORY install into DIRECTORY.
124 -T report an error if DSTFILE is a directory.
125
126 Environment variables override the default commands:
127 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
128 RMPROG STRIPPROG
129 "
130
131 while test $# -ne 0; do
132 case $1 in
133 -c) ;;
134
135 -C) copy_on_change=true;;
136
137 -d) dir_arg=true;;
138
139 -g) chgrpcmd="$chgrpprog $2"
140 shift;;
141
142 --help) echo "$usage"; exit $?;;
143
144 -m) mode=$2
145 case $mode in
146 *' '* | *' '* | *'
147 '* | *'*'* | *'?'* | *'['*)
148 echo "$0: invalid mode: $mode" >&2
149 exit 1;;
150 esac
151 shift;;
152
153 -o) chowncmd="$chownprog $2"
154 shift;;
155
156 -s) stripcmd=$stripprog;;
157
158 -t) dst_arg=$2
159 # Protect names problematic for 'test' and other utilities.
160 case $dst_arg in
161 -* | [=\(\)!]) dst_arg=./$dst_arg;;
162 esac
163 shift;;
164
165 -T) no_target_directory=true;;
166
167 --version) echo "$0 $scriptversion"; exit $?;;
168
169 --) shift
170 break;;
171
172 -*) echo "$0: invalid option: $1" >&2
173 exit 1;;
174
175 *) break;;
176 esac
177 shift
178 done
179
180 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
181 # When -d is used, all remaining arguments are directories to create.
182 # When -t is used, the destination is already specified.
183 # Otherwise, the last argument is the destination. Remove it from $@.
184 for arg
185 do
186 if test -n "$dst_arg"; then
187 # $@ is not empty: it contains at least $arg.
188 set fnord "$@" "$dst_arg"
189 shift # fnord
190 fi
191 shift # arg
192 dst_arg=$arg
193 # Protect names problematic for 'test' and other utilities.
194 case $dst_arg in
195 -* | [=\(\)!]) dst_arg=./$dst_arg;;
196 esac
197 done
198 fi
199
200 if test $# -eq 0; then
201 if test -z "$dir_arg"; then
202 echo "$0: no input file specified." >&2
203 exit 1
204 fi
205 # It's OK to call 'install-sh -d' without argument.
206 # This can happen when creating conditional directories.
207 exit 0
208 fi
209
210 if test -z "$dir_arg"; then
211 do_exit='(exit $ret); exit $ret'
212 trap "ret=129; $do_exit" 1
213 trap "ret=130; $do_exit" 2
214 trap "ret=141; $do_exit" 13
215 trap "ret=143; $do_exit" 15
216
217 # Set umask so as not to create temps with too-generous modes.
218 # However, 'strip' requires both read and write access to temps.
219 case $mode in
220 # Optimize common cases.
221 *644) cp_umask=133;;
222 *755) cp_umask=22;;
223
224 *[0-7])
225 if test -z "$stripcmd"; then
226 u_plus_rw=
227 else
228 u_plus_rw='% 200'
229 fi
230 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
231 *)
232 if test -z "$stripcmd"; then
233 u_plus_rw=
234 else
235 u_plus_rw=,u+rw
236 fi
237 cp_umask=$mode$u_plus_rw;;
238 esac
239 fi
240
241 for src
242 do
243 # Protect names problematic for 'test' and other utilities.
244 case $src in
245 -* | [=\(\)!]) src=./$src;;
246 esac
247
248 if test -n "$dir_arg"; then
249 dst=$src
250 dstdir=$dst
251 test -d "$dstdir"
252 dstdir_status=$?
253 else
254
255 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
256 # might cause directories to be created, which would be especially bad
257 # if $src (and thus $dsttmp) contains '*'.
258 if test ! -f "$src" && test ! -d "$src"; then
259 echo "$0: $src does not exist." >&2
260 exit 1
261 fi
262
263 if test -z "$dst_arg"; then
264 echo "$0: no destination specified." >&2
265 exit 1
266 fi
267 dst=$dst_arg
268
269 # If destination is a directory, append the input filename; won't work
270 # if double slashes aren't ignored.
271 if test -d "$dst"; then
272 if test -n "$no_target_directory"; then
273 echo "$0: $dst_arg: Is a directory" >&2
274 exit 1
275 fi
276 dstdir=$dst
277 dst=$dstdir/`basename "$src"`
278 dstdir_status=0
279 else
280 # Prefer dirname, but fall back on a substitute if dirname fails.
281 dstdir=`
282 (dirname "$dst") 2>/dev/null ||
283 expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
284 X"$dst" : 'X\(//\)[^/]' \| \
285 X"$dst" : 'X\(//\)$' \| \
286 X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
287 echo X"$dst" |
288 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
289 s//\1/
290 q
291 }
292 /^X\(\/\/\)[^/].*/{
293 s//\1/
294 q
295 }
296 /^X\(\/\/\)$/{
297 s//\1/
298 q
299 }
300 /^X\(\/\).*/{
301 s//\1/
302 q
303 }
304 s/.*/./; q'
305 `
306
307 test -d "$dstdir"
308 dstdir_status=$?
309 fi
310 fi
311
312 obsolete_mkdir_used=false
313
314 if test $dstdir_status != 0; then
315 case $posix_mkdir in
316 '')
317 # Create intermediate dirs using mode 755 as modified by the umask.
318 # This is like FreeBSD 'install' as of 1997-10-28.
319 umask=`umask`
320 case $stripcmd.$umask in
321 # Optimize common cases.
322 *[2367][2367]) mkdir_umask=$umask;;
323 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
324
325 *[0-7])
326 mkdir_umask=`expr $umask + 22 \
327 - $umask % 100 % 40 + $umask % 20 \
328 - $umask % 10 % 4 + $umask % 2
329 `;;
330 *) mkdir_umask=$umask,go-w;;
331 esac
332
333 # With -d, create the new directory with the user-specified mode.
334 # Otherwise, rely on $mkdir_umask.
335 if test -n "$dir_arg"; then
336 mkdir_mode=-m$mode
337 else
338 mkdir_mode=
339 fi
340
341 posix_mkdir=false
342 case $umask in
343 *[123567][0-7][0-7])
344 # POSIX mkdir -p sets u+wx bits regardless of umask, which
345 # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
346 ;;
347 *)
348 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
349 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
350
351 if (umask $mkdir_umask &&
352 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
353 then
354 if test -z "$dir_arg" || {
355 # Check for POSIX incompatibilities with -m.
356 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
357 # other-writable bit of parent directory when it shouldn't.
358 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
359 ls_ld_tmpdir=`ls -ld "$tmpdir"`
360 case $ls_ld_tmpdir in
361 d????-?r-*) different_mode=700;;
362 d????-?--*) different_mode=755;;
363 *) false;;
364 esac &&
365 $mkdirprog -m$different_mode -p -- "$tmpdir" && {
366 ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
367 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
368 }
369 }
370 then posix_mkdir=:
371 fi
372 rmdir "$tmpdir/d" "$tmpdir"
373 else
374 # Remove any dirs left behind by ancient mkdir implementations.
375 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
376 fi
377 trap '' 0;;
378 esac;;
379 esac
380
381 if
382 $posix_mkdir && (
383 umask $mkdir_umask &&
384 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
385 )
386 then :
387 else
388
389 # The umask is ridiculous, or mkdir does not conform to POSIX,
390 # or it failed possibly due to a race condition. Create the
391 # directory the slow way, step by step, checking for races as we go.
392
393 case $dstdir in
394 /*) prefix='/';;
395 [-=\(\)!]*) prefix='./';;
396 *) prefix='';;
397 esac
398
399 eval "$initialize_posix_glob"
400
401 oIFS=$IFS
402 IFS=/
403 $posix_glob set -f
404 set fnord $dstdir
405 shift
406 $posix_glob set +f
407 IFS=$oIFS
408
409 prefixes=
410
411 for d
412 do
413 test X"$d" = X && continue
414
415 prefix=$prefix$d
416 if test -d "$prefix"; then
417 prefixes=
418 else
419 if $posix_mkdir; then
420 (umask=$mkdir_umask &&
421 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
422 # Don't fail if two instances are running concurrently.
423 test -d "$prefix" || exit 1
424 else
425 case $prefix in
426 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
427 *) qprefix=$prefix;;
428 esac
429 prefixes="$prefixes '$qprefix'"
430 fi
431 fi
432 prefix=$prefix/
433 done
434
435 if test -n "$prefixes"; then
436 # Don't fail if two instances are running concurrently.
437 (umask $mkdir_umask &&
438 eval "\$doit_exec \$mkdirprog $prefixes") ||
439 test -d "$dstdir" || exit 1
440 obsolete_mkdir_used=true
441 fi
442 fi
443 fi
444
445 if test -n "$dir_arg"; then
446 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
447 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
448 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
449 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
450 else
451
452 # Make a couple of temp file names in the proper directory.
453 dsttmp=$dstdir/_inst.$$_
454 rmtmp=$dstdir/_rm.$$_
455
456 # Trap to clean up those temp files at exit.
457 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
458
459 # Copy the file name to the temp name.
460 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
461
462 # and set any options; do chmod last to preserve setuid bits.
463 #
464 # If any of these fail, we abort the whole thing. If we want to
465 # ignore errors from any of these, just make sure not to ignore
466 # errors from the above "$doit $cpprog $src $dsttmp" command.
467 #
468 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
469 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
470 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
471 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
472
473 # If -C, don't bother to copy if it wouldn't change the file.
474 if $copy_on_change &&
475 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
476 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
477
478 eval "$initialize_posix_glob" &&
479 $posix_glob set -f &&
480 set X $old && old=:$2:$4:$5:$6 &&
481 set X $new && new=:$2:$4:$5:$6 &&
482 $posix_glob set +f &&
483
484 test "$old" = "$new" &&
485 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
486 then
487 rm -f "$dsttmp"
488 else
489 # Rename the file to the real destination.
490 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
491
492 # The rename failed, perhaps because mv can't rename something else
493 # to itself, or perhaps because mv is so ancient that it does not
494 # support -f.
495 {
496 # Now remove or move aside any old file at destination location.
497 # We try this two ways since rm can't unlink itself on some
498 # systems and the destination file might be busy for other
499 # reasons. In this case, the final cleanup might fail but the new
500 # file should still install successfully.
501 {
502 test ! -f "$dst" ||
503 $doit $rmcmd -f "$dst" 2>/dev/null ||
504 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
505 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
506 } ||
507 { echo "$0: cannot unlink or rename $dst" >&2
508 (exit 1); exit 1
509 }
510 } &&
511
512 # Now rename the file to the real destination.
513 $doit $mvcmd "$dsttmp" "$dst"
514 }
515 fi || exit 1
516
517 trap '' 0
518 fi
519 done
520
521 # Local variables:
522 # eval: (add-hook 'write-file-hooks 'time-stamp)
523 # time-stamp-start: "scriptversion="
524 # time-stamp-format: "%:y-%02m-%02d.%02H"
525 # time-stamp-time-zone: "UTC"
526 # time-stamp-end: "; # UTC"
527 # End: