File:  [local] / rpl / Attic / install-sh
Revision 1.5: download - view: text, annotated - select for diffs - revision graph
Mon Apr 2 08:42:38 2012 UTC (12 years, 1 month ago) by bertrand
Branches: MAIN
CVS tags: HEAD
Réorganisation.

    1: #!/bin/sh
    2: # install - install a program, script, or datafile
    3: 
    4: scriptversion=2011-01-19.21; # 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:     # 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 "$dir_arg" || {
  355:            # Check for POSIX incompatibilities with -m.
  356:            # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
  357:            # other-writeable bit of parent directory when it shouldn't.
  358:            # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
  359:            ls_ld_tmpdir=`ls -ld "$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:

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