install-sh
1 #!/bin/sh 2 # install - install a program, script, or datafile 3 4 scriptversion=2011-11-20.07; # 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 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 # Protect names problematic for 'test' and other utilities. 160 case $dst_arg in 161 -* | [=\(\)!]) dst_arg=./$dst_arg;; 162 esac 163 shift;; 164 165 -T) no_target_directory=true;; 166 167 --version) echo "$0 $scriptversion"; exit $?;; 168 169 --) shift 170 break;; 171 172 -*) echo "$0: invalid option: $1" >&2 173 exit 1;; 174 175 *) break;; 176 esac 177 shift 178 done 179 180 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 $@. 184 for arg 185 do 186 if test -n "$dst_arg"; then 187 # $@ is not empty: it contains at least $arg. 188 set fnord "$@" "$dst_arg" 189 shift # fnord 190 fi 191 shift # arg 192 dst_arg=$arg 193 # Protect names problematic for 'test' and other utilities. 194 case $dst_arg in 195 -* | [=\(\)!]) dst_arg=./$dst_arg;; 196 esac 197 done 198 fi 199 200 if test $# -eq 0; then 201 if test -z "$dir_arg"; then 202 echo "$0: no input file specified." >&2 203 exit 1 204 fi 205 # It's OK to call 'install-sh -d' without argument. 206 # This can happen when creating conditional directories. 207 exit 0 208 fi 209 210 if test -z "$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" 15 216 217 # Set umask so as not to create temps with too-generous modes. 218 # However, 'strip' requires both read and write access to temps. 219 case $mode in 220 # Optimize common cases. 221 *644) cp_umask=133;; 222 *755) cp_umask=22;; 223 224 *[0-7]) 225 if test -z "$stripcmd"; then 226 u_plus_rw= 227 else 228 u_plus_rw='% 200' 229 fi 230 cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; 231 *) 232 if test -z "$stripcmd"; then 233 u_plus_rw= 234 else 235 u_plus_rw=,u+rw 236 fi 237 cp_umask=$mode$u_plus_rw;; 238 esac 239 fi 240 241 for src 242 do 243 # Protect names problematic for 'test' and other utilities. 244 case $src in 245 -* | [=\(\)!]) src=./$src;; 246 esac 247 248 if test -n "$dir_arg"; then 249 dst=$src 250 dstdir=$dst 251 test -d "$dstdir" 252 dstdir_status=$? 253 else 254 255 # 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: $src does not exist." >&2 260 exit 1 261 fi 262 263 if test -z "$dst_arg"; then 264 echo "$0: no destination specified." >&2 265 exit 1 266 fi 267 dst=$dst_arg 268 269 # 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: $dst_arg: Is a directory" >&2 274 exit 1 275 fi 276 dstdir=$dst 277 dst=$dstdir/`basename "$src"` 278 dstdir_status=0 279 else 280 # Prefer dirname, but fall back on a substitute if dirname fails. 281 dstdir=` 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 || 287 echo X"$dst" | 288 sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{ 289 s//\1/ 290 q 291 } 292 /^X\(\/\/\)[^/].*/{ 293 s//\1/ 294 q 295 } 296 /^X\(\/\/\)$/{ 297 s//\1/ 298 q 299 } 300 /^X\(\/\).*/{ 301 s//\1/ 302 q 303 } 304 s/.*/./; q' 305 ` 306 307 test -d "$dstdir" 308 dstdir_status=$? 309 fi 310 fi 311 312 obsolete_mkdir_used=false 313 314 if test $dstdir_status != 0; then 315 case $posix_mkdir in 316 '') 317 # Create intermediate dirs using mode 755 as modified by the umask. 318 # This is like FreeBSD 'install' as of 1997-10-28. 319 umask=`umask` 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;; 324 325 *[0-7]) 326 mkdir_umask=`expr $umask + 22 \ 327 - $umask % 100 % 40 + $umask % 20 \ 328 - $umask % 10 % 4 + $umask % 2 329 `;; 330 *) mkdir_umask=$umask,go-w;; 331 esac 332 333 # With -d, create the new directory with the user-specified mode. 334 # Otherwise, rely on $mkdir_umask. 335 if test -n "$dir_arg"; then 336 mkdir_mode=-m$mode 337 else 338 mkdir_mode= 339 fi 340 341 posix_mkdir=false 342 case $umask in 343 *[123567][0-7][0-7]) 344 # POSIX mkdir -p sets u+wx bits regardless of umask, which 345 # is incompatible with FreeBSD 'install' when (umask & 300) != 0. 346 ;; 347 *) 348 tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ 349 trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 350 351 if (umask $mkdir_umask && 352 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 353 then 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;; 363 *) false;; 364 esac && 365 $mkdirprog -m$different_mode -p -- "$tmpdir" && { 366 ls_ld_tmpdir_1=`ls -ld "$tmpdir"` 367 test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" 368 } 369 } 370 then posix_mkdir=: 371 fi 372 rmdir "$tmpdir/d" "$tmpdir" 373 else 374 # Remove any dirs left behind by ancient mkdir implementations. 375 rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null 376 fi 377 trap '' 0;; 378 esac;; 379 esac 380 381 if 382 $posix_mkdir && ( 383 umask $mkdir_umask && 384 $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" 385 ) 386 then : 387 else 388 389 # 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. 392 393 case $dstdir in 394 /*) prefix='/';; 395 [-=\(\)!]*) prefix='./';; 396 *) prefix='';; 397 esac 398 399 eval "$initialize_posix_glob" 400 401 oIFS=$IFS 402 IFS=/ 403 $posix_glob set -f 404 set fnord $dstdir 405 shift 406 $posix_glob set +f 407 IFS=$oIFS 408 409 prefixes= 410 411 for d 412 do 413 test X"$d" = X && continue 414 415 prefix=$prefix$d 416 if test -d "$prefix"; then 417 prefixes= 418 else 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 1 424 else 425 case $prefix in 426 *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;; 427 *) qprefix=$prefix;; 428 esac 429 prefixes="$prefixes '$qprefix'" 430 fi 431 fi 432 prefix=$prefix/ 433 done 434 435 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 441 fi 442 fi 443 fi 444 445 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 1 450 else 451 452 # Make a couple of temp file names in the proper directory. 453 dsttmp=$dstdir/_inst.$$_ 454 rmtmp=$dstdir/_rm.$$_ 455 456 # Trap to clean up those temp files at exit. 457 trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0 458 459 # Copy the file name to the temp name. 460 (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") && 461 462 # and set any options; do chmod last to preserve setuid bits. 463 # 464 # If any of these fail, we abort the whole thing. If we want to 465 # ignore errors from any of these, just make sure not to ignore 466 # errors from the above "$doit $cpprog $src $dsttmp" command. 467 # 468 { test -z "$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"; } && 472 473 # 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 "$dsttmp" 2>/dev/null` && 477 478 eval "$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 $posix_glob set +f && 483 484 test "$old" = "$new" && 485 $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 486 then 487 rm -f "$dsttmp" 488 else 489 # Rename the file to the real destination. 490 $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || 491 492 # The rename failed, perhaps because mv can't rename something else 493 # to itself, or perhaps because mv is so ancient that it does not 494 # support -f. 495 { 496 # Now remove or move aside any old file at destination location. 497 # We try this two ways since rm can't unlink itself on some 498 # systems and the destination file might be busy for other 499 # reasons. In this case, the final cleanup might fail but the new 500 # file should still install successfully. 501 { 502 test ! -f "$dst" || 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; :; } 506 } || 507 { echo "$0: cannot unlink or rename $dst" >&2 508 (exit 1); exit 1 509 } 510 } && 511 512 # Now rename the file to the real destination. 513 $doit $mvcmd "$dsttmp" "$dst" 514 } 515 fi || exit 1 516 517 trap '' 0 518 fi 519 done 520 521 # Local variables: 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" 527 # End: