1 | #!/bin/sh
|
---|
2 | # install - install a program, script, or datafile
|
---|
3 |
|
---|
4 | scriptversion=2020-11-14.01; # 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=${STRIPPROG-strip}
|
---|
66 |
|
---|
67 | posix_mkdir=
|
---|
68 |
|
---|
69 | # Desired mode of installed file.
|
---|
70 | mode=0755
|
---|
71 |
|
---|
72 | # Create dirs (including intermediate dirs) using mode 755.
|
---|
73 | # This is like GNU 'install' as of coreutils 8.32 (2020).
|
---|
74 | mkdir_umask=22
|
---|
75 |
|
---|
76 | backupsuffix=
|
---|
77 | chgrpcmd=
|
---|
78 | chmodcmd=$chmodprog
|
---|
79 | chowncmd=
|
---|
80 | mvcmd=$mvprog
|
---|
81 | rmcmd="$rmprog -f"
|
---|
82 | stripcmd=
|
---|
83 |
|
---|
84 | src=
|
---|
85 | dst=
|
---|
86 | dir_arg=
|
---|
87 | dst_arg=
|
---|
88 |
|
---|
89 | copy_on_change=false
|
---|
90 | is_target_a_directory=possibly
|
---|
91 |
|
---|
92 | usage="\
|
---|
93 | Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
|
---|
94 | or: $0 [OPTION]... SRCFILES... DIRECTORY
|
---|
95 | or: $0 [OPTION]... -t DIRECTORY SRCFILES...
|
---|
96 | or: $0 [OPTION]... -d DIRECTORIES...
|
---|
97 |
|
---|
98 | In the 1st form, copy SRCFILE to DSTFILE.
|
---|
99 | In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
|
---|
100 | In the 4th, create DIRECTORIES.
|
---|
101 |
|
---|
102 | Options:
|
---|
103 | --help display this help and exit.
|
---|
104 | --version display version info and exit.
|
---|
105 |
|
---|
106 | -c (ignored)
|
---|
107 | -C install only if different (preserve data modification time)
|
---|
108 | -d create directories instead of installing files.
|
---|
109 | -g GROUP $chgrpprog installed files to GROUP.
|
---|
110 | -m MODE $chmodprog installed files to MODE.
|
---|
111 | -o USER $chownprog installed files to USER.
|
---|
112 | -p pass -p to $cpprog.
|
---|
113 | -s $stripprog installed files.
|
---|
114 | -S SUFFIX attempt to back up existing files, with suffix SUFFIX.
|
---|
115 | -t DIRECTORY install into DIRECTORY.
|
---|
116 | -T report an error if DSTFILE is a directory.
|
---|
117 |
|
---|
118 | Environment variables override the default commands:
|
---|
119 | CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
|
---|
120 | RMPROG STRIPPROG
|
---|
121 |
|
---|
122 | By default, rm is invoked with -f; when overridden with RMPROG,
|
---|
123 | it's up to you to specify -f if you want it.
|
---|
124 |
|
---|
125 | If -S is not specified, no backups are attempted.
|
---|
126 |
|
---|
127 | Email bug reports to bug-automake@gnu.org.
|
---|
128 | Automake home page: https://www.gnu.org/software/automake/
|
---|
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 $mode in
|
---|
146 | *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
|
---|
147 | echo "$0: invalid mode: $mode" >&2
|
---|
148 | exit 1;;
|
---|
149 | esac
|
---|
150 | shift;;
|
---|
151 |
|
---|
152 | -o) chowncmd="$chownprog $2"
|
---|
153 | shift;;
|
---|
154 |
|
---|
155 | -p) cpprog="$cpprog -p";;
|
---|
156 |
|
---|
157 | -s) stripcmd=$stripprog;;
|
---|
158 |
|
---|
159 | -S) backupsuffix="$2"
|
---|
160 | shift;;
|
---|
161 |
|
---|
162 | -t)
|
---|
163 | is_target_a_directory=always
|
---|
164 | dst_arg=$2
|
---|
165 | # Protect names problematic for 'test' and other utilities.
|
---|
166 | case $dst_arg in
|
---|
167 | -* | [=\(\)!]) dst_arg=./$dst_arg;;
|
---|
168 | esac
|
---|
169 | shift;;
|
---|
170 |
|
---|
171 | -T) is_target_a_directory=never;;
|
---|
172 |
|
---|
173 | --version) echo "$0 $scriptversion"; exit $?;;
|
---|
174 |
|
---|
175 | --) shift
|
---|
176 | break;;
|
---|
177 |
|
---|
178 | -*) echo "$0: invalid option: $1" >&2
|
---|
179 | exit 1;;
|
---|
180 |
|
---|
181 | *) break;;
|
---|
182 | esac
|
---|
183 | shift
|
---|
184 | done
|
---|
185 |
|
---|
186 | # We allow the use of options -d and -T together, by making -d
|
---|
187 | # take the precedence; this is for compatibility with GNU install.
|
---|
188 |
|
---|
189 | if test -n "$dir_arg"; then
|
---|
190 | if test -n "$dst_arg"; then
|
---|
191 | echo "$0: target directory not allowed when installing a directory." >&2
|
---|
192 | exit 1
|
---|
193 | fi
|
---|
194 | fi
|
---|
195 |
|
---|
196 | if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
|
---|
197 | # When -d is used, all remaining arguments are directories to create.
|
---|
198 | # When -t is used, the destination is already specified.
|
---|
199 | # Otherwise, the last argument is the destination. Remove it from $@.
|
---|
200 | for arg
|
---|
201 | do
|
---|
202 | if test -n "$dst_arg"; then
|
---|
203 | # $@ is not empty: it contains at least $arg.
|
---|
204 | set fnord "$@" "$dst_arg"
|
---|
205 | shift # fnord
|
---|
206 | fi
|
---|
207 | shift # arg
|
---|
208 | dst_arg=$arg
|
---|
209 | # Protect names problematic for 'test' and other utilities.
|
---|
210 | case $dst_arg in
|
---|
211 | -* | [=\(\)!]) dst_arg=./$dst_arg;;
|
---|
212 | esac
|
---|
213 | done
|
---|
214 | fi
|
---|
215 |
|
---|
216 | if test $# -eq 0; then
|
---|
217 | if test -z "$dir_arg"; then
|
---|
218 | echo "$0: no input file specified." >&2
|
---|
219 | exit 1
|
---|
220 | fi
|
---|
221 | # It's OK to call 'install-sh -d' without argument.
|
---|
222 | # This can happen when creating conditional directories.
|
---|
223 | exit 0
|
---|
224 | fi
|
---|
225 |
|
---|
226 | if test -z "$dir_arg"; then
|
---|
227 | if test $# -gt 1 || test "$is_target_a_directory" = always; then
|
---|
228 | if test ! -d "$dst_arg"; then
|
---|
229 | echo "$0: $dst_arg: Is not a directory." >&2
|
---|
230 | exit 1
|
---|
231 | fi
|
---|
232 | fi
|
---|
233 | fi
|
---|
234 |
|
---|
235 | if test -z "$dir_arg"; then
|
---|
236 | do_exit='(exit $ret); exit $ret'
|
---|
237 | trap "ret=129; $do_exit" 1
|
---|
238 | trap "ret=130; $do_exit" 2
|
---|
239 | trap "ret=141; $do_exit" 13
|
---|
240 | trap "ret=143; $do_exit" 15
|
---|
241 |
|
---|
242 | # Set umask so as not to create temps with too-generous modes.
|
---|
243 | # However, 'strip' requires both read and write access to temps.
|
---|
244 | case $mode in
|
---|
245 | # Optimize common cases.
|
---|
246 | *644) cp_umask=133;;
|
---|
247 | *755) cp_umask=22;;
|
---|
248 |
|
---|
249 | *[0-7])
|
---|
250 | if test -z "$stripcmd"; then
|
---|
251 | u_plus_rw=
|
---|
252 | else
|
---|
253 | u_plus_rw='% 200'
|
---|
254 | fi
|
---|
255 | cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
|
---|
256 | *)
|
---|
257 | if test -z "$stripcmd"; then
|
---|
258 | u_plus_rw=
|
---|
259 | else
|
---|
260 | u_plus_rw=,u+rw
|
---|
261 | fi
|
---|
262 | cp_umask=$mode$u_plus_rw;;
|
---|
263 | esac
|
---|
264 | fi
|
---|
265 |
|
---|
266 | for src
|
---|
267 | do
|
---|
268 | # Protect names problematic for 'test' and other utilities.
|
---|
269 | case $src in
|
---|
270 | -* | [=\(\)!]) src=./$src;;
|
---|
271 | esac
|
---|
272 |
|
---|
273 | if test -n "$dir_arg"; then
|
---|
274 | dst=$src
|
---|
275 | dstdir=$dst
|
---|
276 | test -d "$dstdir"
|
---|
277 | dstdir_status=$?
|
---|
278 | # Don't chown directories that already exist.
|
---|
279 | if test $dstdir_status = 0; then
|
---|
280 | chowncmd=""
|
---|
281 | fi
|
---|
282 | else
|
---|
283 |
|
---|
284 | # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
|
---|
285 | # might cause directories to be created, which would be especially bad
|
---|
286 | # if $src (and thus $dsttmp) contains '*'.
|
---|
287 | if test ! -f "$src" && test ! -d "$src"; then
|
---|
288 | echo "$0: $src does not exist." >&2
|
---|
289 | exit 1
|
---|
290 | fi
|
---|
291 |
|
---|
292 | if test -z "$dst_arg"; then
|
---|
293 | echo "$0: no destination specified." >&2
|
---|
294 | exit 1
|
---|
295 | fi
|
---|
296 | dst=$dst_arg
|
---|
297 |
|
---|
298 | # If destination is a directory, append the input filename.
|
---|
299 | if test -d "$dst"; then
|
---|
300 | if test "$is_target_a_directory" = never; then
|
---|
301 | echo "$0: $dst_arg: Is a directory" >&2
|
---|
302 | exit 1
|
---|
303 | fi
|
---|
304 | dstdir=$dst
|
---|
305 | dstbase=`basename "$src"`
|
---|
306 | case $dst in
|
---|
307 | */) dst=$dst$dstbase;;
|
---|
308 | *) dst=$dst/$dstbase;;
|
---|
309 | esac
|
---|
310 | dstdir_status=0
|
---|
311 | else
|
---|
312 | dstdir=`dirname "$dst"`
|
---|
313 | test -d "$dstdir"
|
---|
314 | dstdir_status=$?
|
---|
315 | fi
|
---|
316 | fi
|
---|
317 |
|
---|
318 | case $dstdir in
|
---|
319 | */) dstdirslash=$dstdir;;
|
---|
320 | *) dstdirslash=$dstdir/;;
|
---|
321 | esac
|
---|
322 |
|
---|
323 | obsolete_mkdir_used=false
|
---|
324 |
|
---|
325 | if test $dstdir_status != 0; then
|
---|
326 | case $posix_mkdir in
|
---|
327 | '')
|
---|
328 | # With -d, create the new directory with the user-specified mode.
|
---|
329 | # Otherwise, rely on $mkdir_umask.
|
---|
330 | if test -n "$dir_arg"; then
|
---|
331 | mkdir_mode=-m$mode
|
---|
332 | else
|
---|
333 | mkdir_mode=
|
---|
334 | fi
|
---|
335 |
|
---|
336 | posix_mkdir=false
|
---|
337 | # The $RANDOM variable is not portable (e.g., dash). Use it
|
---|
338 | # here however when possible just to lower collision chance.
|
---|
339 | tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
|
---|
340 |
|
---|
341 | trap '
|
---|
342 | ret=$?
|
---|
343 | rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null
|
---|
344 | exit $ret
|
---|
345 | ' 0
|
---|
346 |
|
---|
347 | # Because "mkdir -p" follows existing symlinks and we likely work
|
---|
348 | # directly in world-writeable /tmp, make sure that the '$tmpdir'
|
---|
349 | # directory is successfully created first before we actually test
|
---|
350 | # 'mkdir -p'.
|
---|
351 | if (umask $mkdir_umask &&
|
---|
352 | $mkdirprog $mkdir_mode "$tmpdir" &&
|
---|
353 | exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
|
---|
354 | then
|
---|
355 | if test -z "$dir_arg" || {
|
---|
356 | # Check for POSIX incompatibilities with -m.
|
---|
357 | # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
|
---|
358 | # other-writable bit of parent directory when it shouldn't.
|
---|
359 | # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
|
---|
360 | test_tmpdir="$tmpdir/a"
|
---|
361 | ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
|
---|
362 | case $ls_ld_tmpdir in
|
---|
363 | d????-?r-*) different_mode=700;;
|
---|
364 | d????-?--*) different_mode=755;;
|
---|
365 | *) false;;
|
---|
366 | esac &&
|
---|
367 | $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
|
---|
368 | ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
|
---|
369 | test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
|
---|
370 | }
|
---|
371 | }
|
---|
372 | then posix_mkdir=:
|
---|
373 | fi
|
---|
374 | rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
|
---|
375 | else
|
---|
376 | # Remove any dirs left behind by ancient mkdir implementations.
|
---|
377 | rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
|
---|
378 | fi
|
---|
379 | trap '' 0;;
|
---|
380 | esac
|
---|
381 |
|
---|
382 | if
|
---|
383 | $posix_mkdir && (
|
---|
384 | umask $mkdir_umask &&
|
---|
385 | $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
|
---|
386 | )
|
---|
387 | then :
|
---|
388 | else
|
---|
389 |
|
---|
390 | # mkdir does not conform to POSIX,
|
---|
391 | # or it failed possibly due to a race condition. Create the
|
---|
392 | # directory the slow way, step by step, checking for races as we go.
|
---|
393 |
|
---|
394 | case $dstdir in
|
---|
395 | /*) prefix='/';;
|
---|
396 | [-=\(\)!]*) prefix='./';;
|
---|
397 | *) prefix='';;
|
---|
398 | esac
|
---|
399 |
|
---|
400 | oIFS=$IFS
|
---|
401 | IFS=/
|
---|
402 | set -f
|
---|
403 | set fnord $dstdir
|
---|
404 | shift
|
---|
405 | set +f
|
---|
406 | IFS=$oIFS
|
---|
407 |
|
---|
408 | prefixes=
|
---|
409 |
|
---|
410 | for d
|
---|
411 | do
|
---|
412 | test X"$d" = X && continue
|
---|
413 |
|
---|
414 | prefix=$prefix$d
|
---|
415 | if test -d "$prefix"; then
|
---|
416 | prefixes=
|
---|
417 | else
|
---|
418 | if $posix_mkdir; then
|
---|
419 | (umask $mkdir_umask &&
|
---|
420 | $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
|
---|
421 | # Don't fail if two instances are running concurrently.
|
---|
422 | test -d "$prefix" || exit 1
|
---|
423 | else
|
---|
424 | case $prefix in
|
---|
425 | *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
|
---|
426 | *) qprefix=$prefix;;
|
---|
427 | esac
|
---|
428 | prefixes="$prefixes '$qprefix'"
|
---|
429 | fi
|
---|
430 | fi
|
---|
431 | prefix=$prefix/
|
---|
432 | done
|
---|
433 |
|
---|
434 | if test -n "$prefixes"; then
|
---|
435 | # Don't fail if two instances are running concurrently.
|
---|
436 | (umask $mkdir_umask &&
|
---|
437 | eval "\$doit_exec \$mkdirprog $prefixes") ||
|
---|
438 | test -d "$dstdir" || exit 1
|
---|
439 | obsolete_mkdir_used=true
|
---|
440 | fi
|
---|
441 | fi
|
---|
442 | fi
|
---|
443 |
|
---|
444 | if test -n "$dir_arg"; then
|
---|
445 | { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
|
---|
446 | { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
|
---|
447 | { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
|
---|
448 | test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
|
---|
449 | else
|
---|
450 |
|
---|
451 | # Make a couple of temp file names in the proper directory.
|
---|
452 | dsttmp=${dstdirslash}_inst.$$_
|
---|
453 | rmtmp=${dstdirslash}_rm.$$_
|
---|
454 |
|
---|
455 | # Trap to clean up those temp files at exit.
|
---|
456 | trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
|
---|
457 |
|
---|
458 | # Copy the file name to the temp name.
|
---|
459 | (umask $cp_umask &&
|
---|
460 | { test -z "$stripcmd" || {
|
---|
461 | # Create $dsttmp read-write so that cp doesn't create it read-only,
|
---|
462 | # which would cause strip to fail.
|
---|
463 | if test -z "$doit"; then
|
---|
464 | : >"$dsttmp" # No need to fork-exec 'touch'.
|
---|
465 | else
|
---|
466 | $doit touch "$dsttmp"
|
---|
467 | fi
|
---|
468 | }
|
---|
469 | } &&
|
---|
470 | $doit_exec $cpprog "$src" "$dsttmp") &&
|
---|
471 |
|
---|
472 | # and set any options; do chmod last to preserve setuid bits.
|
---|
473 | #
|
---|
474 | # If any of these fail, we abort the whole thing. If we want to
|
---|
475 | # ignore errors from any of these, just make sure not to ignore
|
---|
476 | # errors from the above "$doit $cpprog $src $dsttmp" command.
|
---|
477 | #
|
---|
478 | { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
|
---|
479 | { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
|
---|
480 | { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
|
---|
481 | { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
|
---|
482 |
|
---|
483 | # If -C, don't bother to copy if it wouldn't change the file.
|
---|
484 | if $copy_on_change &&
|
---|
485 | old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
|
---|
486 | new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
|
---|
487 | set -f &&
|
---|
488 | set X $old && old=:$2:$4:$5:$6 &&
|
---|
489 | set X $new && new=:$2:$4:$5:$6 &&
|
---|
490 | set +f &&
|
---|
491 | test "$old" = "$new" &&
|
---|
492 | $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
|
---|
493 | then
|
---|
494 | rm -f "$dsttmp"
|
---|
495 | else
|
---|
496 | # If $backupsuffix is set, and the file being installed
|
---|
497 | # already exists, attempt a backup. Don't worry if it fails,
|
---|
498 | # e.g., if mv doesn't support -f.
|
---|
499 | if test -n "$backupsuffix" && test -f "$dst"; then
|
---|
500 | $doit $mvcmd -f "$dst" "$dst$backupsuffix" 2>/dev/null
|
---|
501 | fi
|
---|
502 |
|
---|
503 | # Rename the file to the real destination.
|
---|
504 | $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
|
---|
505 |
|
---|
506 | # The rename failed, perhaps because mv can't rename something else
|
---|
507 | # to itself, or perhaps because mv is so ancient that it does not
|
---|
508 | # support -f.
|
---|
509 | {
|
---|
510 | # Now remove or move aside any old file at destination location.
|
---|
511 | # We try this two ways since rm can't unlink itself on some
|
---|
512 | # systems and the destination file might be busy for other
|
---|
513 | # reasons. In this case, the final cleanup might fail but the new
|
---|
514 | # file should still install successfully.
|
---|
515 | {
|
---|
516 | test ! -f "$dst" ||
|
---|
517 | $doit $rmcmd "$dst" 2>/dev/null ||
|
---|
518 | { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
|
---|
519 | { $doit $rmcmd "$rmtmp" 2>/dev/null; :; }
|
---|
520 | } ||
|
---|
521 | { echo "$0: cannot unlink or rename $dst" >&2
|
---|
522 | (exit 1); exit 1
|
---|
523 | }
|
---|
524 | } &&
|
---|
525 |
|
---|
526 | # Now rename the file to the real destination.
|
---|
527 | $doit $mvcmd "$dsttmp" "$dst"
|
---|
528 | }
|
---|
529 | fi || exit 1
|
---|
530 |
|
---|
531 | trap '' 0
|
---|
532 | fi
|
---|
533 | done
|
---|
534 |
|
---|
535 | # Local variables:
|
---|
536 | # eval: (add-hook 'before-save-hook 'time-stamp)
|
---|
537 | # time-stamp-start: "scriptversion="
|
---|
538 | # time-stamp-format: "%:y-%02m-%02d.%02H"
|
---|
539 | # time-stamp-time-zone: "UTC0"
|
---|
540 | # time-stamp-end: "; # UTC"
|
---|
541 | # End:
|
---|