annotate src/portaudio_20161030_catalina_patch/install-sh @ 77:4edcd14160a5 pa_catalina

Duplicate for patch testing
author Chris Cannam
date Wed, 30 Oct 2019 11:25:10 +0000
parents src/portaudio_20161030/install-sh@284acf908dcd
children
rev   line source
Chris@4 1 #!/bin/sh
Chris@4 2 # install - install a program, script, or datafile
Chris@4 3
Chris@55 4 scriptversion=2011-11-20.07; # UTC
Chris@4 5
Chris@4 6 # This originates from X11R5 (mit/util/scripts/install.sh), which was
Chris@4 7 # later released in X11R6 (xc/config/util/install.sh) with the
Chris@4 8 # following copyright and license.
Chris@4 9 #
Chris@4 10 # Copyright (C) 1994 X Consortium
Chris@4 11 #
Chris@4 12 # Permission is hereby granted, free of charge, to any person obtaining a copy
Chris@4 13 # of this software and associated documentation files (the "Software"), to
Chris@4 14 # deal in the Software without restriction, including without limitation the
Chris@4 15 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
Chris@4 16 # sell copies of the Software, and to permit persons to whom the Software is
Chris@4 17 # furnished to do so, subject to the following conditions:
Chris@4 18 #
Chris@4 19 # The above copyright notice and this permission notice shall be included in
Chris@4 20 # all copies or substantial portions of the Software.
Chris@4 21 #
Chris@4 22 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
Chris@4 23 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
Chris@4 24 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
Chris@4 25 # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
Chris@4 26 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
Chris@4 27 # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
Chris@4 28 #
Chris@4 29 # Except as contained in this notice, the name of the X Consortium shall not
Chris@4 30 # be used in advertising or otherwise to promote the sale, use or other deal-
Chris@4 31 # ings in this Software without prior written authorization from the X Consor-
Chris@4 32 # tium.
Chris@4 33 #
Chris@4 34 #
Chris@4 35 # FSF changes to this file are in the public domain.
Chris@4 36 #
Chris@4 37 # Calling this script install-sh is preferred over install.sh, to prevent
Chris@55 38 # 'make' implicit rules from creating a file called install from it
Chris@4 39 # when there is no Makefile.
Chris@4 40 #
Chris@4 41 # This script is compatible with the BSD install script, but was written
Chris@4 42 # from scratch.
Chris@4 43
Chris@4 44 nl='
Chris@4 45 '
Chris@4 46 IFS=" "" $nl"
Chris@4 47
Chris@4 48 # set DOITPROG to echo to test this script
Chris@4 49
Chris@4 50 # Don't use :- since 4.3BSD and earlier shells don't like it.
Chris@4 51 doit=${DOITPROG-}
Chris@4 52 if test -z "$doit"; then
Chris@4 53 doit_exec=exec
Chris@4 54 else
Chris@4 55 doit_exec=$doit
Chris@4 56 fi
Chris@4 57
Chris@4 58 # Put in absolute file names if you don't have them in your path;
Chris@4 59 # or use environment vars.
Chris@4 60
Chris@4 61 chgrpprog=${CHGRPPROG-chgrp}
Chris@4 62 chmodprog=${CHMODPROG-chmod}
Chris@4 63 chownprog=${CHOWNPROG-chown}
Chris@4 64 cmpprog=${CMPPROG-cmp}
Chris@4 65 cpprog=${CPPROG-cp}
Chris@4 66 mkdirprog=${MKDIRPROG-mkdir}
Chris@4 67 mvprog=${MVPROG-mv}
Chris@4 68 rmprog=${RMPROG-rm}
Chris@4 69 stripprog=${STRIPPROG-strip}
Chris@4 70
Chris@4 71 posix_glob='?'
Chris@4 72 initialize_posix_glob='
Chris@4 73 test "$posix_glob" != "?" || {
Chris@4 74 if (set -f) 2>/dev/null; then
Chris@4 75 posix_glob=
Chris@4 76 else
Chris@4 77 posix_glob=:
Chris@4 78 fi
Chris@4 79 }
Chris@4 80 '
Chris@4 81
Chris@4 82 posix_mkdir=
Chris@4 83
Chris@4 84 # Desired mode of installed file.
Chris@4 85 mode=0755
Chris@4 86
Chris@4 87 chgrpcmd=
Chris@4 88 chmodcmd=$chmodprog
Chris@4 89 chowncmd=
Chris@4 90 mvcmd=$mvprog
Chris@4 91 rmcmd="$rmprog -f"
Chris@4 92 stripcmd=
Chris@4 93
Chris@4 94 src=
Chris@4 95 dst=
Chris@4 96 dir_arg=
Chris@4 97 dst_arg=
Chris@4 98
Chris@4 99 copy_on_change=false
Chris@4 100 no_target_directory=
Chris@4 101
Chris@4 102 usage="\
Chris@4 103 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
Chris@4 104 or: $0 [OPTION]... SRCFILES... DIRECTORY
Chris@4 105 or: $0 [OPTION]... -t DIRECTORY SRCFILES...
Chris@4 106 or: $0 [OPTION]... -d DIRECTORIES...
Chris@4 107
Chris@4 108 In the 1st form, copy SRCFILE to DSTFILE.
Chris@4 109 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
Chris@4 110 In the 4th, create DIRECTORIES.
Chris@4 111
Chris@4 112 Options:
Chris@4 113 --help display this help and exit.
Chris@4 114 --version display version info and exit.
Chris@4 115
Chris@4 116 -c (ignored)
Chris@4 117 -C install only if different (preserve the last data modification time)
Chris@4 118 -d create directories instead of installing files.
Chris@4 119 -g GROUP $chgrpprog installed files to GROUP.
Chris@4 120 -m MODE $chmodprog installed files to MODE.
Chris@4 121 -o USER $chownprog installed files to USER.
Chris@4 122 -s $stripprog installed files.
Chris@4 123 -t DIRECTORY install into DIRECTORY.
Chris@4 124 -T report an error if DSTFILE is a directory.
Chris@4 125
Chris@4 126 Environment variables override the default commands:
Chris@4 127 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
Chris@4 128 RMPROG STRIPPROG
Chris@4 129 "
Chris@4 130
Chris@4 131 while test $# -ne 0; do
Chris@4 132 case $1 in
Chris@4 133 -c) ;;
Chris@4 134
Chris@4 135 -C) copy_on_change=true;;
Chris@4 136
Chris@4 137 -d) dir_arg=true;;
Chris@4 138
Chris@4 139 -g) chgrpcmd="$chgrpprog $2"
Chris@4 140 shift;;
Chris@4 141
Chris@4 142 --help) echo "$usage"; exit $?;;
Chris@4 143
Chris@4 144 -m) mode=$2
Chris@4 145 case $mode in
Chris@4 146 *' '* | *' '* | *'
Chris@4 147 '* | *'*'* | *'?'* | *'['*)
Chris@4 148 echo "$0: invalid mode: $mode" >&2
Chris@4 149 exit 1;;
Chris@4 150 esac
Chris@4 151 shift;;
Chris@4 152
Chris@4 153 -o) chowncmd="$chownprog $2"
Chris@4 154 shift;;
Chris@4 155
Chris@4 156 -s) stripcmd=$stripprog;;
Chris@4 157
Chris@4 158 -t) dst_arg=$2
Chris@55 159 # Protect names problematic for 'test' and other utilities.
Chris@55 160 case $dst_arg in
Chris@55 161 -* | [=\(\)!]) dst_arg=./$dst_arg;;
Chris@55 162 esac
Chris@4 163 shift;;
Chris@4 164
Chris@4 165 -T) no_target_directory=true;;
Chris@4 166
Chris@4 167 --version) echo "$0 $scriptversion"; exit $?;;
Chris@4 168
Chris@4 169 --) shift
Chris@4 170 break;;
Chris@4 171
Chris@4 172 -*) echo "$0: invalid option: $1" >&2
Chris@4 173 exit 1;;
Chris@4 174
Chris@4 175 *) break;;
Chris@4 176 esac
Chris@4 177 shift
Chris@4 178 done
Chris@4 179
Chris@4 180 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
Chris@4 181 # When -d is used, all remaining arguments are directories to create.
Chris@4 182 # When -t is used, the destination is already specified.
Chris@4 183 # Otherwise, the last argument is the destination. Remove it from $@.
Chris@4 184 for arg
Chris@4 185 do
Chris@4 186 if test -n "$dst_arg"; then
Chris@4 187 # $@ is not empty: it contains at least $arg.
Chris@4 188 set fnord "$@" "$dst_arg"
Chris@4 189 shift # fnord
Chris@4 190 fi
Chris@4 191 shift # arg
Chris@4 192 dst_arg=$arg
Chris@55 193 # Protect names problematic for 'test' and other utilities.
Chris@55 194 case $dst_arg in
Chris@55 195 -* | [=\(\)!]) dst_arg=./$dst_arg;;
Chris@55 196 esac
Chris@4 197 done
Chris@4 198 fi
Chris@4 199
Chris@4 200 if test $# -eq 0; then
Chris@4 201 if test -z "$dir_arg"; then
Chris@4 202 echo "$0: no input file specified." >&2
Chris@4 203 exit 1
Chris@4 204 fi
Chris@55 205 # It's OK to call 'install-sh -d' without argument.
Chris@4 206 # This can happen when creating conditional directories.
Chris@4 207 exit 0
Chris@4 208 fi
Chris@4 209
Chris@4 210 if test -z "$dir_arg"; then
Chris@55 211 do_exit='(exit $ret); exit $ret'
Chris@55 212 trap "ret=129; $do_exit" 1
Chris@55 213 trap "ret=130; $do_exit" 2
Chris@55 214 trap "ret=141; $do_exit" 13
Chris@55 215 trap "ret=143; $do_exit" 15
Chris@4 216
Chris@4 217 # Set umask so as not to create temps with too-generous modes.
Chris@4 218 # However, 'strip' requires both read and write access to temps.
Chris@4 219 case $mode in
Chris@4 220 # Optimize common cases.
Chris@4 221 *644) cp_umask=133;;
Chris@4 222 *755) cp_umask=22;;
Chris@4 223
Chris@4 224 *[0-7])
Chris@4 225 if test -z "$stripcmd"; then
Chris@4 226 u_plus_rw=
Chris@4 227 else
Chris@4 228 u_plus_rw='% 200'
Chris@4 229 fi
Chris@4 230 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
Chris@4 231 *)
Chris@4 232 if test -z "$stripcmd"; then
Chris@4 233 u_plus_rw=
Chris@4 234 else
Chris@4 235 u_plus_rw=,u+rw
Chris@4 236 fi
Chris@4 237 cp_umask=$mode$u_plus_rw;;
Chris@4 238 esac
Chris@4 239 fi
Chris@4 240
Chris@4 241 for src
Chris@4 242 do
Chris@55 243 # Protect names problematic for 'test' and other utilities.
Chris@4 244 case $src in
Chris@55 245 -* | [=\(\)!]) src=./$src;;
Chris@4 246 esac
Chris@4 247
Chris@4 248 if test -n "$dir_arg"; then
Chris@4 249 dst=$src
Chris@4 250 dstdir=$dst
Chris@4 251 test -d "$dstdir"
Chris@4 252 dstdir_status=$?
Chris@4 253 else
Chris@4 254
Chris@4 255 # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
Chris@4 256 # might cause directories to be created, which would be especially bad
Chris@4 257 # if $src (and thus $dsttmp) contains '*'.
Chris@4 258 if test ! -f "$src" && test ! -d "$src"; then
Chris@4 259 echo "$0: $src does not exist." >&2
Chris@4 260 exit 1
Chris@4 261 fi
Chris@4 262
Chris@4 263 if test -z "$dst_arg"; then
Chris@4 264 echo "$0: no destination specified." >&2
Chris@4 265 exit 1
Chris@4 266 fi
Chris@4 267 dst=$dst_arg
Chris@4 268
Chris@4 269 # If destination is a directory, append the input filename; won't work
Chris@4 270 # if double slashes aren't ignored.
Chris@4 271 if test -d "$dst"; then
Chris@4 272 if test -n "$no_target_directory"; then
Chris@4 273 echo "$0: $dst_arg: Is a directory" >&2
Chris@4 274 exit 1
Chris@4 275 fi
Chris@4 276 dstdir=$dst
Chris@4 277 dst=$dstdir/`basename "$src"`
Chris@4 278 dstdir_status=0
Chris@4 279 else
Chris@4 280 # Prefer dirname, but fall back on a substitute if dirname fails.
Chris@4 281 dstdir=`
Chris@4 282 (dirname "$dst") 2>/dev/null ||
Chris@4 283 expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
Chris@4 284 X"$dst" : 'X\(//\)[^/]' \| \
Chris@4 285 X"$dst" : 'X\(//\)$' \| \
Chris@4 286 X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
Chris@4 287 echo X"$dst" |
Chris@4 288 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
Chris@4 289 s//\1/
Chris@4 290 q
Chris@4 291 }
Chris@4 292 /^X\(\/\/\)[^/].*/{
Chris@4 293 s//\1/
Chris@4 294 q
Chris@4 295 }
Chris@4 296 /^X\(\/\/\)$/{
Chris@4 297 s//\1/
Chris@4 298 q
Chris@4 299 }
Chris@4 300 /^X\(\/\).*/{
Chris@4 301 s//\1/
Chris@4 302 q
Chris@4 303 }
Chris@4 304 s/.*/./; q'
Chris@4 305 `
Chris@4 306
Chris@4 307 test -d "$dstdir"
Chris@4 308 dstdir_status=$?
Chris@4 309 fi
Chris@4 310 fi
Chris@4 311
Chris@4 312 obsolete_mkdir_used=false
Chris@4 313
Chris@4 314 if test $dstdir_status != 0; then
Chris@4 315 case $posix_mkdir in
Chris@4 316 '')
Chris@4 317 # Create intermediate dirs using mode 755 as modified by the umask.
Chris@4 318 # This is like FreeBSD 'install' as of 1997-10-28.
Chris@4 319 umask=`umask`
Chris@4 320 case $stripcmd.$umask in
Chris@4 321 # Optimize common cases.
Chris@4 322 *[2367][2367]) mkdir_umask=$umask;;
Chris@4 323 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
Chris@4 324
Chris@4 325 *[0-7])
Chris@4 326 mkdir_umask=`expr $umask + 22 \
Chris@4 327 - $umask % 100 % 40 + $umask % 20 \
Chris@4 328 - $umask % 10 % 4 + $umask % 2
Chris@4 329 `;;
Chris@4 330 *) mkdir_umask=$umask,go-w;;
Chris@4 331 esac
Chris@4 332
Chris@4 333 # With -d, create the new directory with the user-specified mode.
Chris@4 334 # Otherwise, rely on $mkdir_umask.
Chris@4 335 if test -n "$dir_arg"; then
Chris@4 336 mkdir_mode=-m$mode
Chris@4 337 else
Chris@4 338 mkdir_mode=
Chris@4 339 fi
Chris@4 340
Chris@4 341 posix_mkdir=false
Chris@4 342 case $umask in
Chris@4 343 *[123567][0-7][0-7])
Chris@4 344 # POSIX mkdir -p sets u+wx bits regardless of umask, which
Chris@4 345 # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
Chris@4 346 ;;
Chris@4 347 *)
Chris@4 348 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
Chris@4 349 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
Chris@4 350
Chris@4 351 if (umask $mkdir_umask &&
Chris@4 352 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
Chris@4 353 then
Chris@4 354 if test -z "$dir_arg" || {
Chris@4 355 # Check for POSIX incompatibilities with -m.
Chris@4 356 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
Chris@55 357 # other-writable bit of parent directory when it shouldn't.
Chris@4 358 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
Chris@4 359 ls_ld_tmpdir=`ls -ld "$tmpdir"`
Chris@4 360 case $ls_ld_tmpdir in
Chris@4 361 d????-?r-*) different_mode=700;;
Chris@4 362 d????-?--*) different_mode=755;;
Chris@4 363 *) false;;
Chris@4 364 esac &&
Chris@4 365 $mkdirprog -m$different_mode -p -- "$tmpdir" && {
Chris@4 366 ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
Chris@4 367 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
Chris@4 368 }
Chris@4 369 }
Chris@4 370 then posix_mkdir=:
Chris@4 371 fi
Chris@4 372 rmdir "$tmpdir/d" "$tmpdir"
Chris@4 373 else
Chris@4 374 # Remove any dirs left behind by ancient mkdir implementations.
Chris@4 375 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
Chris@4 376 fi
Chris@4 377 trap '' 0;;
Chris@4 378 esac;;
Chris@4 379 esac
Chris@4 380
Chris@4 381 if
Chris@4 382 $posix_mkdir && (
Chris@4 383 umask $mkdir_umask &&
Chris@4 384 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
Chris@4 385 )
Chris@4 386 then :
Chris@4 387 else
Chris@4 388
Chris@4 389 # The umask is ridiculous, or mkdir does not conform to POSIX,
Chris@4 390 # or it failed possibly due to a race condition. Create the
Chris@4 391 # directory the slow way, step by step, checking for races as we go.
Chris@4 392
Chris@4 393 case $dstdir in
Chris@4 394 /*) prefix='/';;
Chris@55 395 [-=\(\)!]*) prefix='./';;
Chris@4 396 *) prefix='';;
Chris@4 397 esac
Chris@4 398
Chris@4 399 eval "$initialize_posix_glob"
Chris@4 400
Chris@4 401 oIFS=$IFS
Chris@4 402 IFS=/
Chris@4 403 $posix_glob set -f
Chris@4 404 set fnord $dstdir
Chris@4 405 shift
Chris@4 406 $posix_glob set +f
Chris@4 407 IFS=$oIFS
Chris@4 408
Chris@4 409 prefixes=
Chris@4 410
Chris@4 411 for d
Chris@4 412 do
Chris@55 413 test X"$d" = X && continue
Chris@4 414
Chris@4 415 prefix=$prefix$d
Chris@4 416 if test -d "$prefix"; then
Chris@4 417 prefixes=
Chris@4 418 else
Chris@4 419 if $posix_mkdir; then
Chris@4 420 (umask=$mkdir_umask &&
Chris@4 421 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
Chris@4 422 # Don't fail if two instances are running concurrently.
Chris@4 423 test -d "$prefix" || exit 1
Chris@4 424 else
Chris@4 425 case $prefix in
Chris@4 426 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
Chris@4 427 *) qprefix=$prefix;;
Chris@4 428 esac
Chris@4 429 prefixes="$prefixes '$qprefix'"
Chris@4 430 fi
Chris@4 431 fi
Chris@4 432 prefix=$prefix/
Chris@4 433 done
Chris@4 434
Chris@4 435 if test -n "$prefixes"; then
Chris@4 436 # Don't fail if two instances are running concurrently.
Chris@4 437 (umask $mkdir_umask &&
Chris@4 438 eval "\$doit_exec \$mkdirprog $prefixes") ||
Chris@4 439 test -d "$dstdir" || exit 1
Chris@4 440 obsolete_mkdir_used=true
Chris@4 441 fi
Chris@4 442 fi
Chris@4 443 fi
Chris@4 444
Chris@4 445 if test -n "$dir_arg"; then
Chris@4 446 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
Chris@4 447 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
Chris@4 448 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
Chris@4 449 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
Chris@4 450 else
Chris@4 451
Chris@4 452 # Make a couple of temp file names in the proper directory.
Chris@4 453 dsttmp=$dstdir/_inst.$$_
Chris@4 454 rmtmp=$dstdir/_rm.$$_
Chris@4 455
Chris@4 456 # Trap to clean up those temp files at exit.
Chris@4 457 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
Chris@4 458
Chris@4 459 # Copy the file name to the temp name.
Chris@4 460 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
Chris@4 461
Chris@4 462 # and set any options; do chmod last to preserve setuid bits.
Chris@4 463 #
Chris@4 464 # If any of these fail, we abort the whole thing. If we want to
Chris@4 465 # ignore errors from any of these, just make sure not to ignore
Chris@4 466 # errors from the above "$doit $cpprog $src $dsttmp" command.
Chris@4 467 #
Chris@4 468 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
Chris@4 469 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
Chris@4 470 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
Chris@4 471 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
Chris@4 472
Chris@4 473 # If -C, don't bother to copy if it wouldn't change the file.
Chris@4 474 if $copy_on_change &&
Chris@4 475 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` &&
Chris@4 476 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` &&
Chris@4 477
Chris@4 478 eval "$initialize_posix_glob" &&
Chris@4 479 $posix_glob set -f &&
Chris@4 480 set X $old && old=:$2:$4:$5:$6 &&
Chris@4 481 set X $new && new=:$2:$4:$5:$6 &&
Chris@4 482 $posix_glob set +f &&
Chris@4 483
Chris@4 484 test "$old" = "$new" &&
Chris@4 485 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
Chris@4 486 then
Chris@4 487 rm -f "$dsttmp"
Chris@4 488 else
Chris@4 489 # Rename the file to the real destination.
Chris@4 490 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
Chris@4 491
Chris@4 492 # The rename failed, perhaps because mv can't rename something else
Chris@4 493 # to itself, or perhaps because mv is so ancient that it does not
Chris@4 494 # support -f.
Chris@4 495 {
Chris@4 496 # Now remove or move aside any old file at destination location.
Chris@4 497 # We try this two ways since rm can't unlink itself on some
Chris@4 498 # systems and the destination file might be busy for other
Chris@4 499 # reasons. In this case, the final cleanup might fail but the new
Chris@4 500 # file should still install successfully.
Chris@4 501 {
Chris@4 502 test ! -f "$dst" ||
Chris@4 503 $doit $rmcmd -f "$dst" 2>/dev/null ||
Chris@4 504 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
Chris@4 505 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
Chris@4 506 } ||
Chris@4 507 { echo "$0: cannot unlink or rename $dst" >&2
Chris@4 508 (exit 1); exit 1
Chris@4 509 }
Chris@4 510 } &&
Chris@4 511
Chris@4 512 # Now rename the file to the real destination.
Chris@4 513 $doit $mvcmd "$dsttmp" "$dst"
Chris@4 514 }
Chris@4 515 fi || exit 1
Chris@4 516
Chris@4 517 trap '' 0
Chris@4 518 fi
Chris@4 519 done
Chris@4 520
Chris@4 521 # Local variables:
Chris@4 522 # eval: (add-hook 'write-file-hooks 'time-stamp)
Chris@4 523 # time-stamp-start: "scriptversion="
Chris@4 524 # time-stamp-format: "%:y-%02m-%02d.%02H"
Chris@4 525 # time-stamp-time-zone: "UTC"
Chris@4 526 # time-stamp-end: "; # UTC"
Chris@4 527 # End: