1 #!/bin/sh
2 # install - install a program, script, or datafile
3
4 scriptversion=2013-12-25.23; # 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 tab=' '
45 nl='
46 '
47 IFS=" $tab$nl"
48
49 # Set DOITPROG to "echo" to test this script.
50
51 doit=${DOITPROG-}
52 doit_exec=${doit:-exec}
53
54 # Put in absolute file names if you don't have them in your path;
55 # or use environment vars.
56
57 chgrpprog=${CHGRPPROG-chgrp}
58 chmodprog=${CHMODPROG-chmod}
59 chownprog=${CHOWNPROG-chown}
60 cmpprog=${CMPPROG-cmp}
61 cpprog=${CPPROG-cp}
62 mkdirprog=${MKDIRPROG-mkdir}
63 mvprog=${MVPROG-mv}
64 rmprog=${RMPROG-rm}
65 stripprog=${STRIPPROG-strip}
66
67 posix_mkdir=
68
69 # Desired mode of installed file.
70 mode=0755
71
72 chgrpcmd=
73 chmodcmd=$chmodprog
74 chowncmd=
75 mvcmd=$mvprog
76 rmcmd="$rmprog -f"
77 stripcmd=
78
79 src=
80 dst=
81 dir_arg=
82 dst_arg=
83
84 copy_on_change=false
85 is_target_a_directory=possibly
86
87 usage="\
88 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
89 or: $0 [OPTION]... SRCFILES... DIRECTORY
90 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
91 or: $0 [OPTION]... -d DIRECTORIES...
92
93 In the 1st form, copy SRCFILE to DSTFILE.
94 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
95 In the 4th, create DIRECTORIES.
96
97 Options:
98 --help display this help and exit.
99 --version display version info and exit.
100
101 -c (ignored)
102 -C install only if different (preserve the last data modification time)
103 -d create directories instead of installing files.
104 -g GROUP $chgrpprog installed files to GROUP.
105 -m MODE $chmodprog installed files to MODE.
106 -o USER $chownprog installed files to USER.
107 -s $stripprog installed files.
108 -t DIRECTORY install into DIRECTORY.
109 -T report an error if DSTFILE is a directory.
110
111 Environment variables override the default commands:
112 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
113 RMPROG STRIPPROG
114 "
115
116 while test $# -ne 0; do
117 case $1 in
118 -c) ;;
119
120 -C) copy_on_change=true;;
121
122 -d) dir_arg=true;;
123
124 -g) chgrpcmd="$chgrpprog $2"
125 shift;;
126
127 --help) echo "$usage"; exit $?;;
128
129 -m) mode=$2
130 case $mode in
131 *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
132 echo "$0: invalid mode: $mode" >&2
133 exit 1;;
134 esac
135 shift;;
136
137 -o) chowncmd="$chownprog $2"
138 shift;;
139
140 -s) stripcmd=$stripprog;;
141
142 -t)
143 is_target_a_directory=always
144 dst_arg=$2
145 # Protect names problematic for 'test' and other utilities.
146 case $dst_arg in
147 -* | [=\(\)!]) dst_arg=./$dst_arg;;
148 esac
149 shift;;
150
151 -T) is_target_a_directory=never;;
152
153 --version) echo "$0 $scriptversion"; exit $?;;
154
155 --) shift
156 break;;
157
158 -*) echo "$0: invalid option: $1" >&2
159 exit 1;;
160
161 *) break;;
162 esac
163 shift
164 done
165
166 # We allow the use of options -d and -T together, by making -d
167 # take the precedence; this is for compatibility with GNU install.
168
169 if test -n "$dir_arg"; then
170 if test -n "$dst_arg"; then
171 echo "$0: target directory not allowed when installing a directory." >&2
172 exit 1
173 fi
174 fi
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 # Protect names problematic for 'test' and other utilities.
190 case $dst_arg in
191 -* | [=\(\)!]) dst_arg=./$dst_arg;;
192 esac
193 done
194 fi
195
196 if test $# -eq 0; then
197 if test -z "$dir_arg"; then
198 echo "$0: no input file specified." >&2
199 exit 1
200 fi
201 # It's OK to call 'install-sh -d' without argument.
202 # This can happen when creating conditional directories.
203 exit 0
204 fi
205
206 if test -z "$dir_arg"; then
207 if test $# -gt 1 || test "$is_target_a_directory" = always; then
208 if test ! -d "$dst_arg"; then
209 echo "$0: $dst_arg: Is not a directory." >&2
210 exit 1
211 fi
212 fi
213 fi
214
215 if test -z "$dir_arg"; then
216 do_exit='(exit $ret); exit $ret'
217 trap "ret=129; $do_exit" 1
218 trap "ret=130; $do_exit" 2
219 trap "ret=141; $do_exit" 13
220 trap "ret=143; $do_exit" 15
221
222 # Set umask so as not to create temps with too-generous modes.
223 # However, 'strip' requires both read and write access to temps.
224 case $mode in
225 # Optimize common cases.
226 *644) cp_umask=133;;
227 *755) cp_umask=22;;
228
229 *[0-7])
230 if test -z "$stripcmd"; then
231 u_plus_rw=
232 else
233 u_plus_rw='% 200'
234 fi
235 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
236 *)
237 if test -z "$stripcmd"; then
238 u_plus_rw=
239 else
240 u_plus_rw=,u+rw
241 fi
242 cp_umask=$mode$u_plus_rw;;
243 esac
244 fi
245
246 for src
247 do
248 # Protect names problematic for 'test' and other utilities.
249 case $src in
250 -* | [=\(\)!]) src=./$src;;
251 esac
252
253 if test -n "$dir_arg"; then
254 dst=$src
255 dstdir=$dst
256 test -d "$dstdir"
257 dstdir_status=$?
258 else
259
260 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
261 # might cause directories to be created, which would be especially bad
262 # if $src (and thus $dsttmp) contains '*'.
263 if test ! -f "$src" && test ! -d "$src"; then
264 echo "$0: $src does not exist." >&2
265 exit 1
266 fi
267
268 if test -z "$dst_arg"; then
269 echo "$0: no destination specified." >&2
270 exit 1
271 fi
272 dst=$dst_arg
273
274 # If destination is a directory, append the input filename; won't work
275 # if double slashes aren't ignored.
276 if test -d "$dst"; then
277 if test "$is_target_a_directory" = never; then
278 echo "$0: $dst_arg: Is a directory" >&2
279 exit 1
280 fi
281 dstdir=$dst
282 dst=$dstdir/`basename "$src"`
283 dstdir_status=0
284 else
285 dstdir=`dirname "$dst"`
286 test -d "$dstdir"
287 dstdir_status=$?
288 fi
289 fi
290
291 obsolete_mkdir_used=false
292
293 if test $dstdir_status != 0; then
294 case $posix_mkdir in
295 '')
296 # Create intermediate dirs using mode 755 as modified by the umask.
297 # This is like FreeBSD 'install' as of 1997-10-28.
298 umask=`umask`
299 case $stripcmd.$umask in
300 # Optimize common cases.
301 *[2367][2367]) mkdir_umask=$umask;;
302 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
303
304 *[0-7])
305 mkdir_umask=`expr $umask + 22 \
306 - $umask % 100 % 40 + $umask % 20 \
307 - $umask % 10 % 4 + $umask % 2
308 `;;
309 *) mkdir_umask=$umask,go-w;;
310 esac
311
312 # With -d, create the new directory with the user-specified mode.
313 # Otherwise, rely on $mkdir_umask.
314 if test -n "$dir_arg"; then
315 mkdir_mode=-m$mode
316 else
317 mkdir_mode=
318 fi
319
320 posix_mkdir=false
321 case $umask in
322 *[123567][0-7][0-7])
323 # POSIX mkdir -p sets u+wx bits regardless of umask, which
324 # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
325 ;;
326 *)
327 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
328 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
329
330 if (umask $mkdir_umask &&
331 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
332 then
333 if test -z "$dir_arg" || {
334 # Check for POSIX incompatibilities with -m.
335 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
336 # other-writable bit of parent directory when it shouldn't.
337 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
338 ls_ld_tmpdir=`ls -ld "$tmpdir"`
339 case $ls_ld_tmpdir in
340 d????-?r-*) different_mode=700;;
341 d????-?--*) different_mode=755;;
342 *) false;;
343 esac &&
344 $mkdirprog -m$different_mode -p -- "$tmpdir" && {
345 ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
346 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
347 }
348 }
349 then posix_mkdir=:
350 fi
351 rmdir "$tmpdir/d" "$tmpdir"
352 else
353 # Remove any dirs left behind by ancient mkdir implementations.
354 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
355 fi
356 trap '' 0;;
357 esac;;
358 esac
359
360 if
361 $posix_mkdir && (
362 umask $mkdir_umask &&
363 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
364 )
365 then :
366 else
367
368 # The umask is ridiculous, or mkdir does not conform to POSIX,
369 # or it failed possibly due to a race condition. Create the
370 # directory the slow way, step by step, checking for races as we go.
371
372 case $dstdir in
373 /*) prefix='/';;
374 [-=\(\)!]*) prefix='./';;
375 *) prefix='';;
376 esac
377
378 oIFS=$IFS
379 IFS=/
380 set -f
381 set fnord $dstdir
382 shift
383 set +f
384 IFS=$oIFS
385
386 prefixes=
387
388 for d
389 do
390 test X"$d" = X && continue
391
392 prefix=$prefix$d
393 if test -d "$prefix"; then
394 prefixes=
395 else
396 if $posix_mkdir; then
397 (umask=$mkdir_umask &&
398 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
399 # Don't fail if two instances are running concurrently.
400 test -d "$prefix" || exit 1
401 else
402 case $prefix in
403 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
404 *) qprefix=$prefix;;
405 esac
406 prefixes="$prefixes '$qprefix'"
407 fi
408 fi
409 prefix=$prefix/
410 done
411
412 if test -n "$prefixes"; then
413 # Don't fail if two instances are running concurrently.
414 (umask $mkdir_umask &&
415 eval "\$doit_exec \$mkdirprog $prefixes") ||
416 test -d "$dstdir" || exit 1
417 obsolete_mkdir_used=true
418 fi
419 fi
420 fi
421
422 if test -n "$dir_arg"; then
423 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
424 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
425 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
426 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
427 else
428
429 # Make a couple of temp file names in the proper directory.
430 dsttmp=$dstdir/_inst.$$_
431 rmtmp=$dstdir/_rm.$$_
432
433 # Trap to clean up those temp files at exit.
434 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
435
436 # Copy the file name to the temp name.
437 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
438
439 # and set any options; do chmod last to preserve setuid bits.
440 #
441 # If any of these fail, we abort the whole thing. If we want to
442 # ignore errors from any of these, just make sure not to ignore
443 # errors from the above "$doit $cpprog $src $dsttmp" command.
444 #
445 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
446 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
447 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
448 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
449
450 # If -C, don't bother to copy if it wouldn't change the file.
451 if $copy_on_change &&
452 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
453 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
454 set -f &&
455 set X $old && old=:$2:$4:$5:$6 &&
456 set X $new && new=:$2:$4:$5:$6 &&
457 set +f &&
458 test "$old" = "$new" &&
459 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
460 then
461 rm -f "$dsttmp"
462 else
463 # Rename the file to the real destination.
464 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
465
466 # The rename failed, perhaps because mv can't rename something else
467 # to itself, or perhaps because mv is so ancient that it does not
468 # support -f.
469 {
470 # Now remove or move aside any old file at destination location.
471 # We try this two ways since rm can't unlink itself on some
472 # systems and the destination file might be busy for other
473 # reasons. In this case, the final cleanup might fail but the new
474 # file should still install successfully.
475 {
476 test ! -f "$dst" ||
477 $doit $rmcmd -f "$dst" 2>/dev/null ||
478 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
479 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
480 } ||
481 { echo "$0: cannot unlink or rename $dst" >&2
482 (exit 1); exit 1
483 }
484 } &&
485
486 # Now rename the file to the real destination.
487 $doit $mvcmd "$dsttmp" "$dst"
488 }
489 fi || exit 1
490
491 trap '' 0
492 fi
493 done
494
495 # Local variables:
496 # eval: (add-hook 'write-file-hooks 'time-stamp)
497 # time-stamp-start: "scriptversion="
498 # time-stamp-format: "%:y-%02m-%02d.%02H"
499 # time-stamp-time-zone: "UTC"
500 # time-stamp-end: "; # UTC"
501 # End:
502