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c729c0f Importing existing code
Diego Dompe authored
1 #!/bin/sh
2 # install - install a program, script, or datafile
3
4 scriptversion=2009-04-28.21; # 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 shift;;
160
161 -T) no_target_directory=true;;
162
163 --version) echo "$0 $scriptversion"; exit $?;;
164
165 --) shift
166 break;;
167
168 -*) echo "$0: invalid option: $1" >&2
169 exit 1;;
170
171 *) break;;
172 esac
173 shift
174 done
175
176 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
177 # When -d is used, all remaining arguments are directories to create.
178 # When -t is used, the destination is already specified.
179 # Otherwise, the last argument is the destination. Remove it from $@.
180 for arg
181 do
182 if test -n "$dst_arg"; then
183 # $@ is not empty: it contains at least $arg.
184 set fnord "$@" "$dst_arg"
185 shift # fnord
186 fi
187 shift # arg
188 dst_arg=$arg
189 done
190 fi
191
192 if test $# -eq 0; then
193 if test -z "$dir_arg"; then
194 echo "$0: no input file specified." >&2
195 exit 1
196 fi
197 # It's OK to call `install-sh -d' without argument.
198 # This can happen when creating conditional directories.
199 exit 0
200 fi
201
202 if test -z "$dir_arg"; then
203 trap '(exit $?); exit' 1 2 13 15
204
205 # Set umask so as not to create temps with too-generous modes.
206 # However, 'strip' requires both read and write access to temps.
207 case $mode in
208 # Optimize common cases.
209 *644) cp_umask=133;;
210 *755) cp_umask=22;;
211
212 *[0-7])
213 if test -z "$stripcmd"; then
214 u_plus_rw=
215 else
216 u_plus_rw='% 200'
217 fi
218 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
219 *)
220 if test -z "$stripcmd"; then
221 u_plus_rw=
222 else
223 u_plus_rw=,u+rw
224 fi
225 cp_umask=$mode$u_plus_rw;;
226 esac
227 fi
228
229 for src
230 do
231 # Protect names starting with `-'.
232 case $src in
233 -*) src=./$src;;
234 esac
235
236 if test -n "$dir_arg"; then
237 dst=$src
238 dstdir=$dst
239 test -d "$dstdir"
240 dstdir_status=$?
241 else
242
243 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
244 # might cause directories to be created, which would be especially bad
245 # if $src (and thus $dsttmp) contains '*'.
246 if test ! -f "$src" && test ! -d "$src"; then
247 echo "$0: $src does not exist." >&2
248 exit 1
249 fi
250
251 if test -z "$dst_arg"; then
252 echo "$0: no destination specified." >&2
253 exit 1
254 fi
255
256 dst=$dst_arg
257 # Protect names starting with `-'.
258 case $dst in
259 -*) dst=./$dst;;
260 esac
261
262 # If destination is a directory, append the input filename; won't work
263 # if double slashes aren't ignored.
264 if test -d "$dst"; then
265 if test -n "$no_target_directory"; then
266 echo "$0: $dst_arg: Is a directory" >&2
267 exit 1
268 fi
269 dstdir=$dst
270 dst=$dstdir/`basename "$src"`
271 dstdir_status=0
272 else
273 # Prefer dirname, but fall back on a substitute if dirname fails.
274 dstdir=`
275 (dirname "$dst") 2>/dev/null ||
276 expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
277 X"$dst" : 'X\(//\)[^/]' \| \
278 X"$dst" : 'X\(//\)$' \| \
279 X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
280 echo X"$dst" |
281 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
282 s//\1/
283 q
284 }
285 /^X\(\/\/\)[^/].*/{
286 s//\1/
287 q
288 }
289 /^X\(\/\/\)$/{
290 s//\1/
291 q
292 }
293 /^X\(\/\).*/{
294 s//\1/
295 q
296 }
297 s/.*/./; q'
298 `
299
300 test -d "$dstdir"
301 dstdir_status=$?
302 fi
303 fi
304
305 obsolete_mkdir_used=false
306
307 if test $dstdir_status != 0; then
308 case $posix_mkdir in
309 '')
310 # Create intermediate dirs using mode 755 as modified by the umask.
311 # This is like FreeBSD 'install' as of 1997-10-28.
312 umask=`umask`
313 case $stripcmd.$umask in
314 # Optimize common cases.
315 *[2367][2367]) mkdir_umask=$umask;;
316 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
317
318 *[0-7])
319 mkdir_umask=`expr $umask + 22 \
320 - $umask % 100 % 40 + $umask % 20 \
321 - $umask % 10 % 4 + $umask % 2
322 `;;
323 *) mkdir_umask=$umask,go-w;;
324 esac
325
326 # With -d, create the new directory with the user-specified mode.
327 # Otherwise, rely on $mkdir_umask.
328 if test -n "$dir_arg"; then
329 mkdir_mode=-m$mode
330 else
331 mkdir_mode=
332 fi
333
334 posix_mkdir=false
335 case $umask in
336 *[123567][0-7][0-7])
337 # POSIX mkdir -p sets u+wx bits regardless of umask, which
338 # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
339 ;;
340 *)
341 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
342 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
343
344 if (umask $mkdir_umask &&
345 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
346 then
347 if test -z "$dir_arg" || {
348 # Check for POSIX incompatibilities with -m.
349 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
350 # other-writeable bit of parent directory when it shouldn't.
351 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
352 ls_ld_tmpdir=`ls -ld "$tmpdir"`
353 case $ls_ld_tmpdir in
354 d????-?r-*) different_mode=700;;
355 d????-?--*) different_mode=755;;
356 *) false;;
357 esac &&
358 $mkdirprog -m$different_mode -p -- "$tmpdir" && {
359 ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
360 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
361 }
362 }
363 then posix_mkdir=:
364 fi
365 rmdir "$tmpdir/d" "$tmpdir"
366 else
367 # Remove any dirs left behind by ancient mkdir implementations.
368 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
369 fi
370 trap '' 0;;
371 esac;;
372 esac
373
374 if
375 $posix_mkdir && (
376 umask $mkdir_umask &&
377 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
378 )
379 then :
380 else
381
382 # The umask is ridiculous, or mkdir does not conform to POSIX,
383 # or it failed possibly due to a race condition. Create the
384 # directory the slow way, step by step, checking for races as we go.
385
386 case $dstdir in
387 /*) prefix='/';;
388 -*) prefix='./';;
389 *) prefix='';;
390 esac
391
392 eval "$initialize_posix_glob"
393
394 oIFS=$IFS
395 IFS=/
396 $posix_glob set -f
397 set fnord $dstdir
398 shift
399 $posix_glob set +f
400 IFS=$oIFS
401
402 prefixes=
403
404 for d
405 do
406 test -z "$d" && continue
407
408 prefix=$prefix$d
409 if test -d "$prefix"; then
410 prefixes=
411 else
412 if $posix_mkdir; then
413 (umask=$mkdir_umask &&
414 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
415 # Don't fail if two instances are running concurrently.
416 test -d "$prefix" || exit 1
417 else
418 case $prefix in
419 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
420 *) qprefix=$prefix;;
421 esac
422 prefixes="$prefixes '$qprefix'"
423 fi
424 fi
425 prefix=$prefix/
426 done
427
428 if test -n "$prefixes"; then
429 # Don't fail if two instances are running concurrently.
430 (umask $mkdir_umask &&
431 eval "\$doit_exec \$mkdirprog $prefixes") ||
432 test -d "$dstdir" || exit 1
433 obsolete_mkdir_used=true
434 fi
435 fi
436 fi
437
438 if test -n "$dir_arg"; then
439 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
440 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
441 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
442 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
443 else
444
445 # Make a couple of temp file names in the proper directory.
446 dsttmp=$dstdir/_inst.$$_
447 rmtmp=$dstdir/_rm.$$_
448
449 # Trap to clean up those temp files at exit.
450 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
451
452 # Copy the file name to the temp name.
453 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
454
455 # and set any options; do chmod last to preserve setuid bits.
456 #
457 # If any of these fail, we abort the whole thing. If we want to
458 # ignore errors from any of these, just make sure not to ignore
459 # errors from the above "$doit $cpprog $src $dsttmp" command.
460 #
461 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
462 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
463 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
464 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
465
466 # If -C, don't bother to copy if it wouldn't change the file.
467 if $copy_on_change &&
468 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
469 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
470
471 eval "$initialize_posix_glob" &&
472 $posix_glob set -f &&
473 set X $old && old=:$2:$4:$5:$6 &&
474 set X $new && new=:$2:$4:$5:$6 &&
475 $posix_glob set +f &&
476
477 test "$old" = "$new" &&
478 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
479 then
480 rm -f "$dsttmp"
481 else
482 # Rename the file to the real destination.
483 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
484
485 # The rename failed, perhaps because mv can't rename something else
486 # to itself, or perhaps because mv is so ancient that it does not
487 # support -f.
488 {
489 # Now remove or move aside any old file at destination location.
490 # We try this two ways since rm can't unlink itself on some
491 # systems and the destination file might be busy for other
492 # reasons. In this case, the final cleanup might fail but the new
493 # file should still install successfully.
494 {
495 test ! -f "$dst" ||
496 $doit $rmcmd -f "$dst" 2>/dev/null ||
497 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
498 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
499 } ||
500 { echo "$0: cannot unlink or rename $dst" >&2
501 (exit 1); exit 1
502 }
503 } &&
504
505 # Now rename the file to the real destination.
506 $doit $mvcmd "$dsttmp" "$dst"
507 }
508 fi || exit 1
509
510 trap '' 0
511 fi
512 done
513
514 # Local variables:
515 # eval: (add-hook 'write-file-hooks 'time-stamp)
516 # time-stamp-start: "scriptversion="
517 # time-stamp-format: "%:y-%02m-%02d.%02H"
518 # time-stamp-time-zone: "UTC"
519 # time-stamp-end: "; # UTC"
520 # End:
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