]>
git.ipfire.org Git - thirdparty/dhcp.git/blob - install-sh
2 # install - install a program, script, or datafile
4 scriptversion
=2011-11-20.07
; # UTC
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.
10 # Copyright (C) 1994 X Consortium
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:
19 # The above copyright notice and this permission notice shall be included in
20 # all copies or substantial portions of the Software.
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.
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-
35 # FSF changes to this file are in the public domain.
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.
41 # This script is compatible with the BSD install script, but was written
48 # set DOITPROG to echo to test this script
50 # Don't use :- since 4.3BSD and earlier shells don't like it.
52 if test -z "$doit"; then
58 # Put in absolute file names if you don't have them in your path;
59 # or use environment vars.
61 chgrpprog
=${CHGRPPROG-chgrp}
62 chmodprog
=${CHMODPROG-chmod}
63 chownprog
=${CHOWNPROG-chown}
64 cmpprog
=${CMPPROG-cmp}
66 mkdirprog
=${MKDIRPROG-mkdir}
69 stripprog
=${STRIPPROG-strip}
72 initialize_posix_glob
='
73 test "$posix_glob" != "?" || {
74 if (set -f) 2>/dev/null; then
84 # Desired mode of installed file.
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...
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.
113 --help display this help and exit.
114 --version display version info and exit.
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.
126 Environment variables override the default commands:
127 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
131 while test $# -ne 0; do
135 -C) copy_on_change
=true
;;
139 -g) chgrpcmd
="$chgrpprog $2"
142 --help) echo "$usage"; exit $?
;;
147 '* |
*'*'* |
*'?'* |
*'['*)
148 echo "$0: invalid mode: $mode" >&2
153 -o) chowncmd
="$chownprog $2"
156 -s) stripcmd
=$stripprog;;
159 # Protect names problematic for 'test' and other utilities.
161 -* |
[=\
(\
)!]) dst_arg
=.
/$dst_arg;;
165 -T) no_target_directory
=true
;;
167 --version) echo "$0 $scriptversion"; exit $?
;;
172 -*) echo "$0: invalid option: $1" >&2
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 $@.
186 if test -n "$dst_arg"; then
187 # $@ is not empty: it contains at least $arg.
188 set fnord
"$@" "$dst_arg"
193 # Protect names problematic for 'test' and other utilities.
195 -* |
[=\
(\
)!]) dst_arg
=.
/$dst_arg;;
200 if test $# -eq 0; then
201 if test -z "$dir_arg"; then
202 echo "$0: no input file specified." >&2
205 # It's OK to call 'install-sh -d' without argument.
206 # This can happen when creating conditional directories.
210 if test -z "$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; $do_exit" 15
217 # Set umask so as not to create temps with too-generous modes.
218 # However, 'strip' requires both read and write access to temps.
220 # Optimize common cases.
225 if test -z "$stripcmd"; then
230 cp_umask
=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
232 if test -z "$stripcmd"; then
237 cp_umask
=$mode$u_plus_rw;;
243 # Protect names problematic for 'test' and other utilities.
245 -* |
[=\
(\
)!]) src
=.
/$src;;
248 if test -n "$dir_arg"; then
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: $src does not exist." >&2
263 if test -z "$dst_arg"; then
264 echo "$0: no destination specified." >&2
269 # If destination is a directory, append the input filename; won't work
270 # if double slashes aren't ignored.
271 if test -d "$dst"; then
272 if test -n "$no_target_directory"; then
273 echo "$0: $dst_arg: Is a directory" >&2
277 dst
=$dstdir/`basename "$src"`
280 # Prefer dirname, but fall back on a substitute if dirname fails.
282 (dirname "$dst") 2>/dev/null ||
283 expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
284 X"$dst" : 'X\(//\)[^/]' \| \
285 X"$dst" : 'X\(//\)$' \| \
286 X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
288 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
312 obsolete_mkdir_used
=false
314 if test $dstdir_status != 0; then
317 # Create intermediate dirs using mode 755 as modified by the umask.
318 # This is like FreeBSD 'install' as of 1997-10-28.
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;;
326 mkdir_umask
=`expr $umask + 22 \
327 - $umask % 100 % 40 + $umask % 20 \
328 - $umask % 10 % 4 + $umask % 2
330 *) mkdir_umask
=$umask,go-w
;;
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
344 # POSIX mkdir -p sets u+wx bits regardless of umask, which
345 # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
348 tmpdir
=${TMPDIR-/tmp}/ins
$RANDOM-$$
349 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
351 if (umask $mkdir_umask &&
352 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev
/null
2>&1
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;;
365 $mkdirprog -m$different_mode -p -- "$tmpdir" && {
366 ls_ld_tmpdir_1
=`ls -ld "$tmpdir"`
367 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
372 rmdir "$tmpdir/d" "$tmpdir"
374 # Remove any dirs left behind by ancient mkdir implementations.
375 rmdir .
/$mkdir_mode .
/-p .
/-- 2>/dev
/null
383 umask $mkdir_umask &&
384 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
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.
395 [-=\
(\
)!]*) prefix
='./';;
399 eval "$initialize_posix_glob"
413 test X
"$d" = X
&& continue
416 if test -d "$prefix"; then
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 "$prefix" ||
exit 1
426 *\'*) qprefix
=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
429 prefixes
="$prefixes '$qprefix'"
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
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
452 # Make a couple of temp file names in the proper directory.
453 dsttmp
=$dstdir/_inst.$
$_
454 rmtmp
=$dstdir/_rm.$
$_
456 # Trap to clean up those temp files at exit.
457 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
459 # Copy the file name to the temp name.
460 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
462 # and set any options; do chmod last to preserve setuid bits.
464 # If any of these fail, we abort the whole thing. If we want to
465 # ignore errors from any of these, just make sure not to ignore
466 # errors from the above "$doit $cpprog $src $dsttmp" command.
468 { test -z "$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"; } &&
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 "$dsttmp" 2>/dev/null` &&
478 eval "$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 $posix_glob set +f
&&
484 test "$old" = "$new" &&
485 $cmpprog "$dst" "$dsttmp" >/dev
/null
2>&1
489 # Rename the file to the real destination.
490 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev
/null ||
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
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.
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
; :; }
507 { echo "$0: cannot unlink or rename $dst" >&2
512 # Now rename the file to the real destination.
513 $doit $mvcmd "$dsttmp" "$dst"
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"