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Annotation of OpenXM/src/ox_pari/install-sh, Revision 1.1

1.1     ! ohara       1: #!/bin/sh
        !             2: # install - install a program, script, or datafile
        !             3:
        !             4: scriptversion=2013-12-25.23; # 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: tab='  '
        !            45: nl='
        !            46: '
        !            47: IFS=" $tab$nl"
        !            48:
        !            49: # Set DOITPROG to "echo" to test this script.
        !            50:
        !            51: doit=${DOITPROG-}
        !            52: doit_exec=${doit:-exec}
        !            53:
        !            54: # Put in absolute file names if you don't have them in your path;
        !            55: # or use environment vars.
        !            56:
        !            57: chgrpprog=${CHGRPPROG-chgrp}
        !            58: chmodprog=${CHMODPROG-chmod}
        !            59: chownprog=${CHOWNPROG-chown}
        !            60: cmpprog=${CMPPROG-cmp}
        !            61: cpprog=${CPPROG-cp}
        !            62: mkdirprog=${MKDIRPROG-mkdir}
        !            63: mvprog=${MVPROG-mv}
        !            64: rmprog=${RMPROG-rm}
        !            65: stripprog=${STRIPPROG-strip}
        !            66:
        !            67: posix_mkdir=
        !            68:
        !            69: # Desired mode of installed file.
        !            70: mode=0755
        !            71:
        !            72: chgrpcmd=
        !            73: chmodcmd=$chmodprog
        !            74: chowncmd=
        !            75: mvcmd=$mvprog
        !            76: rmcmd="$rmprog -f"
        !            77: stripcmd=
        !            78:
        !            79: src=
        !            80: dst=
        !            81: dir_arg=
        !            82: dst_arg=
        !            83:
        !            84: copy_on_change=false
        !            85: is_target_a_directory=possibly
        !            86:
        !            87: usage="\
        !            88: Usage: $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:
        !            93: In the 1st form, copy SRCFILE to DSTFILE.
        !            94: In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
        !            95: In the 4th, create DIRECTORIES.
        !            96:
        !            97: Options:
        !            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:
        !           111: Environment variables override the default commands:
        !           112:   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
        !           113:   RMPROG STRIPPROG
        !           114: "
        !           115:
        !           116: while 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: $1" >&2
        !           159:         exit 1;;
        !           160:
        !           161:     *)  break;;
        !           162:   esac
        !           163:   shift
        !           164: done
        !           165:
        !           166: # We allow the use of options -d and -T together, by making -d
        !           167: # take the precedence; this is for compatibility with GNU install.
        !           168:
        !           169: if test -n "$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
        !           174: fi
        !           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:     # Protect names problematic for 'test' and other utilities.
        !           190:     case $dst_arg in
        !           191:       -* | [=\(\)!]) dst_arg=./$dst_arg;;
        !           192:     esac
        !           193:   done
        !           194: fi
        !           195:
        !           196: if test $# -eq 0; then
        !           197:   if test -z "$dir_arg"; then
        !           198:     echo "$0: no input file specified." >&2
        !           199:     exit 1
        !           200:   fi
        !           201:   # It's OK to call 'install-sh -d' without argument.
        !           202:   # This can happen when creating conditional directories.
        !           203:   exit 0
        !           204: fi
        !           205:
        !           206: if test -z "$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: $dst_arg: Is not a directory." >&2
        !           210:       exit 1
        !           211:     fi
        !           212:   fi
        !           213: fi
        !           214:
        !           215: if test -z "$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
        !           244: fi
        !           245:
        !           246: for src
        !           247: do
        !           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; won't work
        !           275:     # if double slashes aren't ignored.
        !           276:     if test -d "$dst"; then
        !           277:       if test "$is_target_a_directory" = never; then
        !           278:         echo "$0: $dst_arg: Is a directory" >&2
        !           279:         exit 1
        !           280:       fi
        !           281:       dstdir=$dst
        !           282:       dst=$dstdir/`basename "$src"`
        !           283:       dstdir_status=0
        !           284:     else
        !           285:       dstdir=`dirname "$dst"`
        !           286:       test -d "$dstdir"
        !           287:       dstdir_status=$?
        !           288:     fi
        !           289:   fi
        !           290:
        !           291:   obsolete_mkdir_used=false
        !           292:
        !           293:   if test $dstdir_status != 0; then
        !           294:     case $posix_mkdir in
        !           295:       '')
        !           296:         # Create intermediate dirs using mode 755 as modified by the umask.
        !           297:         # This is like FreeBSD 'install' as of 1997-10-28.
        !           298:         umask=`umask`
        !           299:         case $stripcmd.$umask in
        !           300:           # Optimize common cases.
        !           301:           *[2367][2367]) mkdir_umask=$umask;;
        !           302:           .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
        !           303:
        !           304:           *[0-7])
        !           305:             mkdir_umask=`expr $umask + 22 \
        !           306:               - $umask % 100 % 40 + $umask % 20 \
        !           307:               - $umask % 10 % 4 + $umask % 2
        !           308:             `;;
        !           309:           *) mkdir_umask=$umask,go-w;;
        !           310:         esac
        !           311:
        !           312:         # With -d, create the new directory with the user-specified mode.
        !           313:         # Otherwise, rely on $mkdir_umask.
        !           314:         if test -n "$dir_arg"; then
        !           315:           mkdir_mode=-m$mode
        !           316:         else
        !           317:           mkdir_mode=
        !           318:         fi
        !           319:
        !           320:         posix_mkdir=false
        !           321:         case $umask in
        !           322:           *[123567][0-7][0-7])
        !           323:             # POSIX mkdir -p sets u+wx bits regardless of umask, which
        !           324:             # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
        !           325:             ;;
        !           326:           *)
        !           327:             tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
        !           328:             trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
        !           329:
        !           330:             if (umask $mkdir_umask &&
        !           331:                 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
        !           332:             then
        !           333:               if test -z "$dir_arg" || {
        !           334:                    # Check for POSIX incompatibilities with -m.
        !           335:                    # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
        !           336:                    # other-writable bit of parent directory when it shouldn't.
        !           337:                    # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
        !           338:                    ls_ld_tmpdir=`ls -ld "$tmpdir"`
        !           339:                    case $ls_ld_tmpdir in
        !           340:                      d????-?r-*) different_mode=700;;
        !           341:                      d????-?--*) different_mode=755;;
        !           342:                      *) false;;
        !           343:                    esac &&
        !           344:                    $mkdirprog -m$different_mode -p -- "$tmpdir" && {
        !           345:                      ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
        !           346:                      test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
        !           347:                    }
        !           348:                  }
        !           349:               then posix_mkdir=:
        !           350:               fi
        !           351:               rmdir "$tmpdir/d" "$tmpdir"
        !           352:             else
        !           353:               # Remove any dirs left behind by ancient mkdir implementations.
        !           354:               rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
        !           355:             fi
        !           356:             trap '' 0;;
        !           357:         esac;;
        !           358:     esac
        !           359:
        !           360:     if
        !           361:       $posix_mkdir && (
        !           362:         umask $mkdir_umask &&
        !           363:         $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
        !           364:       )
        !           365:     then :
        !           366:     else
        !           367:
        !           368:       # The umask is ridiculous, or mkdir does not conform to POSIX,
        !           369:       # or it failed possibly due to a race condition.  Create the
        !           370:       # directory the slow way, step by step, checking for races as we go.
        !           371:
        !           372:       case $dstdir in
        !           373:         /*) prefix='/';;
        !           374:         [-=\(\)!]*) prefix='./';;
        !           375:         *)  prefix='';;
        !           376:       esac
        !           377:
        !           378:       oIFS=$IFS
        !           379:       IFS=/
        !           380:       set -f
        !           381:       set fnord $dstdir
        !           382:       shift
        !           383:       set +f
        !           384:       IFS=$oIFS
        !           385:
        !           386:       prefixes=
        !           387:
        !           388:       for d
        !           389:       do
        !           390:         test X"$d" = X && continue
        !           391:
        !           392:         prefix=$prefix$d
        !           393:         if test -d "$prefix"; then
        !           394:           prefixes=
        !           395:         else
        !           396:           if $posix_mkdir; then
        !           397:             (umask=$mkdir_umask &&
        !           398:              $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
        !           399:             # Don't fail if two instances are running concurrently.
        !           400:             test -d "$prefix" || exit 1
        !           401:           else
        !           402:             case $prefix in
        !           403:               *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
        !           404:               *) qprefix=$prefix;;
        !           405:             esac
        !           406:             prefixes="$prefixes '$qprefix'"
        !           407:           fi
        !           408:         fi
        !           409:         prefix=$prefix/
        !           410:       done
        !           411:
        !           412:       if test -n "$prefixes"; then
        !           413:         # Don't fail if two instances are running concurrently.
        !           414:         (umask $mkdir_umask &&
        !           415:          eval "\$doit_exec \$mkdirprog $prefixes") ||
        !           416:           test -d "$dstdir" || exit 1
        !           417:         obsolete_mkdir_used=true
        !           418:       fi
        !           419:     fi
        !           420:   fi
        !           421:
        !           422:   if test -n "$dir_arg"; then
        !           423:     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
        !           424:     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
        !           425:     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
        !           426:       test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
        !           427:   else
        !           428:
        !           429:     # Make a couple of temp file names in the proper directory.
        !           430:     dsttmp=$dstdir/_inst.$$_
        !           431:     rmtmp=$dstdir/_rm.$$_
        !           432:
        !           433:     # Trap to clean up those temp files at exit.
        !           434:     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
        !           435:
        !           436:     # Copy the file name to the temp name.
        !           437:     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
        !           438:
        !           439:     # and set any options; do chmod last to preserve setuid bits.
        !           440:     #
        !           441:     # If any of these fail, we abort the whole thing.  If we want to
        !           442:     # ignore errors from any of these, just make sure not to ignore
        !           443:     # errors from the above "$doit $cpprog $src $dsttmp" command.
        !           444:     #
        !           445:     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
        !           446:     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
        !           447:     { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
        !           448:     { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
        !           449:
        !           450:     # If -C, don't bother to copy if it wouldn't change the file.
        !           451:     if $copy_on_change &&
        !           452:        old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
        !           453:        new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
        !           454:        set -f &&
        !           455:        set X $old && old=:$2:$4:$5:$6 &&
        !           456:        set X $new && new=:$2:$4:$5:$6 &&
        !           457:        set +f &&
        !           458:        test "$old" = "$new" &&
        !           459:        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
        !           460:     then
        !           461:       rm -f "$dsttmp"
        !           462:     else
        !           463:       # Rename the file to the real destination.
        !           464:       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
        !           465:
        !           466:       # The rename failed, perhaps because mv can't rename something else
        !           467:       # to itself, or perhaps because mv is so ancient that it does not
        !           468:       # support -f.
        !           469:       {
        !           470:         # Now remove or move aside any old file at destination location.
        !           471:         # We try this two ways since rm can't unlink itself on some
        !           472:         # systems and the destination file might be busy for other
        !           473:         # reasons.  In this case, the final cleanup might fail but the new
        !           474:         # file should still install successfully.
        !           475:         {
        !           476:           test ! -f "$dst" ||
        !           477:           $doit $rmcmd -f "$dst" 2>/dev/null ||
        !           478:           { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
        !           479:             { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
        !           480:           } ||
        !           481:           { echo "$0: cannot unlink or rename $dst" >&2
        !           482:             (exit 1); exit 1
        !           483:           }
        !           484:         } &&
        !           485:
        !           486:         # Now rename the file to the real destination.
        !           487:         $doit $mvcmd "$dsttmp" "$dst"
        !           488:       }
        !           489:     fi || exit 1
        !           490:
        !           491:     trap '' 0
        !           492:   fi
        !           493: done
        !           494:
        !           495: # Local variables:
        !           496: # eval: (add-hook 'write-file-hooks 'time-stamp)
        !           497: # time-stamp-start: "scriptversion="
        !           498: # time-stamp-format: "%:y-%02m-%02d.%02H"
        !           499: # time-stamp-time-zone: "UTC"
        !           500: # time-stamp-end: "; # UTC"
        !           501: # End:

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