Annotation of embedaddon/libevent/install-sh, revision 1.1
1.1 ! misho 1: #!/bin/sh
! 2: # install - install a program, script, or datafile
! 3:
! 4: scriptversion=2009-04-28.21; # 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: 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-time-zone: "UTC"
! 519: # time-stamp-end: "; # UTC"
! 520: # End:
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