1#!/bin/sh 2# install - install a program, script, or datafile 3 4scriptversion=2018-03-11.20; # 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 44tab=' ' 45nl=' 46' 47IFS=" $tab$nl" 48 49# Set DOITPROG to "echo" to test this script. 50 51doit=${DOITPROG-} 52doit_exec=${doit:-exec} 53 54# Put in absolute file names if you don't have them in your path; 55# or use environment vars. 56 57chgrpprog=${CHGRPPROG-chgrp} 58chmodprog=${CHMODPROG-chmod} 59chownprog=${CHOWNPROG-chown} 60cmpprog=${CMPPROG-cmp} 61cpprog=${CPPROG-cp} 62mkdirprog=${MKDIRPROG-mkdir} 63mvprog=${MVPROG-mv} 64rmprog=${RMPROG-rm} 65stripprog=${STRIPPROG-strip} 66 67posix_mkdir= 68 69# Desired mode of installed file. 70mode=0755 71 72chgrpcmd= 73chmodcmd=$chmodprog 74chowncmd= 75mvcmd=$mvprog 76rmcmd="$rmprog -f" 77stripcmd= 78 79src= 80dst= 81dir_arg= 82dst_arg= 83 84copy_on_change=false 85is_target_a_directory=possibly 86 87usage="\ 88Usage: $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 93In the 1st form, copy SRCFILE to DSTFILE. 94In the 2nd and 3rd, copy all SRCFILES to DIRECTORY. 95In the 4th, create DIRECTORIES. 96 97Options: 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 111Environment variables override the default commands: 112 CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG 113 RMPROG STRIPPROG 114" 115 116while 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: $1" >&2 159 exit 1;; 160 161 *) break;; 162 esac 163 shift 164done 165 166# We allow the use of options -d and -T together, by making -d 167# take the precedence; this is for compatibility with GNU install. 168 169if test -n "$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 174fi 175 176if 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 194fi 195 196if test $# -eq 0; then 197 if test -z "$dir_arg"; then 198 echo "$0: no input file specified." >&2 199 exit 1 200 fi 201 # It's OK to call 'install-sh -d' without argument. 202 # This can happen when creating conditional directories. 203 exit 0 204fi 205 206if test -z "$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: $dst_arg: Is not a directory." >&2 210 exit 1 211 fi 212 fi 213fi 214 215if test -z "$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 244fi 245 246for src 247do 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. 275 if test -d "$dst"; then 276 if test "$is_target_a_directory" = never; then 277 echo "$0: $dst_arg: Is a directory" >&2 278 exit 1 279 fi 280 dstdir=$dst 281 dstbase=`basename "$src"` 282 case $dst in 283 */) dst=$dst$dstbase;; 284 *) dst=$dst/$dstbase;; 285 esac 286 dstdir_status=0 287 else 288 dstdir=`dirname "$dst"` 289 test -d "$dstdir" 290 dstdir_status=$? 291 fi 292 fi 293 294 case $dstdir in 295 */) dstdirslash=$dstdir;; 296 *) dstdirslash=$dstdir/;; 297 esac 298 299 obsolete_mkdir_used=false 300 301 if test $dstdir_status != 0; then 302 case $posix_mkdir in 303 '') 304 # Create intermediate dirs using mode 755 as modified by the umask. 305 # This is like FreeBSD 'install' as of 1997-10-28. 306 umask=`umask` 307 case $stripcmd.$umask in 308 # Optimize common cases. 309 *[2367][2367]) mkdir_umask=$umask;; 310 .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; 311 312 *[0-7]) 313 mkdir_umask=`expr $umask + 22 \ 314 - $umask % 100 % 40 + $umask % 20 \ 315 - $umask % 10 % 4 + $umask % 2 316 `;; 317 *) mkdir_umask=$umask,go-w;; 318 esac 319 320 # With -d, create the new directory with the user-specified mode. 321 # Otherwise, rely on $mkdir_umask. 322 if test -n "$dir_arg"; then 323 mkdir_mode=-m$mode 324 else 325 mkdir_mode= 326 fi 327 328 posix_mkdir=false 329 case $umask in 330 *[123567][0-7][0-7]) 331 # POSIX mkdir -p sets u+wx bits regardless of umask, which 332 # is incompatible with FreeBSD 'install' when (umask & 300) != 0. 333 ;; 334 *) 335 # Note that $RANDOM variable is not portable (e.g. dash); Use it 336 # here however when possible just to lower collision chance. 337 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ 338 339 trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0 340 341 # Because "mkdir -p" follows existing symlinks and we likely work 342 # directly in world-writeable /tmp, make sure that the '$tmpdir' 343 # directory is successfully created first before we actually test 344 # 'mkdir -p' feature. 345 if (umask $mkdir_umask && 346 $mkdirprog $mkdir_mode "$tmpdir" && 347 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1 348 then 349 if test -z "$dir_arg" || { 350 # Check for POSIX incompatibilities with -m. 351 # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or 352 # other-writable bit of parent directory when it shouldn't. 353 # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. 354 test_tmpdir="$tmpdir/a" 355 ls_ld_tmpdir=`ls -ld "$test_tmpdir"` 356 case $ls_ld_tmpdir in 357 d????-?r-*) different_mode=700;; 358 d????-?--*) different_mode=755;; 359 *) false;; 360 esac && 361 $mkdirprog -m$different_mode -p -- "$test_tmpdir" && { 362 ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"` 363 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" 364 } 365 } 366 then posix_mkdir=: 367 fi 368 rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 369 else 370 # Remove any dirs left behind by ancient mkdir implementations. 371 rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null 372 fi 373 trap '' 0;; 374 esac;; 375 esac 376 377 if 378 $posix_mkdir && ( 379 umask $mkdir_umask && 380 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" 381 ) 382 then : 383 else 384 385 # The umask is ridiculous, or mkdir does not conform to POSIX, 386 # or it failed possibly due to a race condition. Create the 387 # directory the slow way, step by step, checking for races as we go. 388 389 case $dstdir in 390 /*) prefix='/';; 391 [-=\(\)!]*) prefix='./';; 392 *) prefix='';; 393 esac 394 395 oIFS=$IFS 396 IFS=/ 397 set -f 398 set fnord $dstdir 399 shift 400 set +f 401 IFS=$oIFS 402 403 prefixes= 404 405 for d 406 do 407 test X"$d" = X && continue 408 409 prefix=$prefix$d 410 if test -d "$prefix"; then 411 prefixes= 412 else 413 if $posix_mkdir; then 414 (umask=$mkdir_umask && 415 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break 416 # Don't fail if two instances are running concurrently. 417 test -d "$prefix" || exit 1 418 else 419 case $prefix in 420 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; 421 *) qprefix=$prefix;; 422 esac 423 prefixes="$prefixes '$qprefix'" 424 fi 425 fi 426 prefix=$prefix/ 427 done 428 429 if test -n "$prefixes"; then 430 # Don't fail if two instances are running concurrently. 431 (umask $mkdir_umask && 432 eval "\$doit_exec \$mkdirprog $prefixes") || 433 test -d "$dstdir" || exit 1 434 obsolete_mkdir_used=true 435 fi 436 fi 437 fi 438 439 if test -n "$dir_arg"; then 440 { test -z "$chowncmd" || $doit $chowncmd "$dst"; } && 441 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } && 442 { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false || 443 test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1 444 else 445 446 # Make a couple of temp file names in the proper directory. 447 dsttmp=${dstdirslash}_inst.$$_ 448 rmtmp=${dstdirslash}_rm.$$_ 449 450 # Trap to clean up those temp files at exit. 451 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 452 453 # Copy the file name to the temp name. 454 (umask $cp_umask && 455 { test -z "$stripcmd" || { 456 # Create $dsttmp read-write so that cp doesn't create it read-only, 457 # which would cause strip to fail. 458 if test -z "$doit"; then 459 : >"$dsttmp" # No need to fork-exec 'touch'. 460 else 461 $doit touch "$dsttmp" 462 fi 463 } 464 } && 465 $doit_exec $cpprog "$src" "$dsttmp") && 466 467 # and set any options; do chmod last to preserve setuid bits. 468 # 469 # If any of these fail, we abort the whole thing. If we want to 470 # ignore errors from any of these, just make sure not to ignore 471 # errors from the above "$doit $cpprog $src $dsttmp" command. 472 # 473 { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } && 474 { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } && 475 { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } && 476 { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } && 477 478 # If -C, don't bother to copy if it wouldn't change the file. 479 if $copy_on_change && 480 old=`LC_ALL=C ls -dlL "$dst" 2>/dev/null` && 481 new=`LC_ALL=C ls -dlL "$dsttmp" 2>/dev/null` && 482 set -f && 483 set X $old && old=:$2:$4:$5:$6 && 484 set X $new && new=:$2:$4:$5:$6 && 485 set +f && 486 test "$old" = "$new" && 487 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 488 then 489 rm -f "$dsttmp" 490 else 491 # Rename the file to the real destination. 492 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || 493 494 # The rename failed, perhaps because mv can't rename something else 495 # to itself, or perhaps because mv is so ancient that it does not 496 # support -f. 497 { 498 # Now remove or move aside any old file at destination location. 499 # We try this two ways since rm can't unlink itself on some 500 # systems and the destination file might be busy for other 501 # reasons. In this case, the final cleanup might fail but the new 502 # file should still install successfully. 503 { 504 test ! -f "$dst" || 505 $doit $rmcmd -f "$dst" 2>/dev/null || 506 { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null && 507 { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; } 508 } || 509 { echo "$0: cannot unlink or rename $dst" >&2 510 (exit 1); exit 1 511 } 512 } && 513 514 # Now rename the file to the real destination. 515 $doit $mvcmd "$dsttmp" "$dst" 516 } 517 fi || exit 1 518 519 trap '' 0 520 fi 521done 522 523# Local variables: 524# eval: (add-hook 'before-save-hook 'time-stamp) 525# time-stamp-start: "scriptversion=" 526# time-stamp-format: "%:y-%02m-%02d.%02H" 527# time-stamp-time-zone: "UTC0" 528# time-stamp-end: "; # UTC" 529# End: 530