File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / lighttpd / install-sh
Revision 1.1.1.2 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Nov 2 10:35:00 2016 UTC (7 years, 7 months ago) by misho
Branches: lighttpd, MAIN
CVS tags: v1_4_41p8, HEAD
lighttpd 1.4.41

    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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