Project global auxiliary build scripts, and configuration files.
| 修訂 | 08efa09072bb05e94fb4113c66d11e608daa9505 (tree) |
|---|---|
| 時間 | 2010-06-10 05:08:58 |
| 作者 | Keith Marshall <keithmarshall@user...> |
| Commiter | Keith Marshall |
Add install-sh script.
ChangeLog (diff) install-sh (diff)| @@ -1,3 +1,9 @@ | ||
| 1 | +2010-06-09 Keith Marshall <keithmarshall@users.sourceforge.net> | |
| 2 | + | |
| 3 | + Add install-sh script. | |
| 4 | + | |
| 5 | + * install-sh: New file; copy it from autoconf-2.63 sources. | |
| 6 | + | |
| 1 | 7 | 2010-05-18 Keith Marshall <keithmarshall@users.sourceforge.net> |
| 2 | 8 | |
| 3 | 9 | Add canonical sources for GNU config scripts. |
| @@ -0,0 +1,519 @@ | ||
| 1 | +#!/bin/sh | |
| 2 | +# install - install a program, script, or datafile | |
| 3 | + | |
| 4 | +scriptversion=2006-12-25.00 | |
| 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" "$dst" | |
| 507 | + } | |
| 508 | + fi || exit 1 | |
| 509 | + | |
| 510 | + trap '' 0 | |
| 511 | + fi | |
| 512 | +done | |
| 513 | + | |
| 514 | +# Local variables: | |
| 515 | +# eval: (add-hook 'write-file-hooks 'time-stamp) | |
| 516 | +# time-stamp-start: "scriptversion=" | |
| 517 | +# time-stamp-format: "%:y-%02m-%02d.%02H" | |
| 518 | +# time-stamp-end: "$" | |
| 519 | +# End: |
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