File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / libnet / install-sh
Revision 1.1.1.3 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Sep 27 11:11:37 2023 UTC (8 months, 2 weeks ago) by misho
Branches: libnet, MAIN
CVS tags: v1_2p1, HEAD
Version 1.2p1

    1: #!/bin/sh
    2: # install - install a program, script, or datafile
    3: 
    4: scriptversion=2018-03-11.20; # 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.
  275:     if test -d "$dst"; then
  276:       if test "$is_target_a_directory" = never; then
  277:         echo "$0: $dst_arg: Is a directory" >&2
  278:         exit 1
  279:       fi
  280:       dstdir=$dst
  281:       dstbase=`basename "$src"`
  282:       case $dst in
  283: 	*/) dst=$dst$dstbase;;
  284: 	*)  dst=$dst/$dstbase;;
  285:       esac
  286:       dstdir_status=0
  287:     else
  288:       dstdir=`dirname "$dst"`
  289:       test -d "$dstdir"
  290:       dstdir_status=$?
  291:     fi
  292:   fi
  293: 
  294:   case $dstdir in
  295:     */) dstdirslash=$dstdir;;
  296:     *)  dstdirslash=$dstdir/;;
  297:   esac
  298: 
  299:   obsolete_mkdir_used=false
  300: 
  301:   if test $dstdir_status != 0; then
  302:     case $posix_mkdir in
  303:       '')
  304:         # Create intermediate dirs using mode 755 as modified by the umask.
  305:         # This is like FreeBSD 'install' as of 1997-10-28.
  306:         umask=`umask`
  307:         case $stripcmd.$umask in
  308:           # Optimize common cases.
  309:           *[2367][2367]) mkdir_umask=$umask;;
  310:           .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
  311: 
  312:           *[0-7])
  313:             mkdir_umask=`expr $umask + 22 \
  314:               - $umask % 100 % 40 + $umask % 20 \
  315:               - $umask % 10 % 4 + $umask % 2
  316:             `;;
  317:           *) mkdir_umask=$umask,go-w;;
  318:         esac
  319: 
  320:         # With -d, create the new directory with the user-specified mode.
  321:         # Otherwise, rely on $mkdir_umask.
  322:         if test -n "$dir_arg"; then
  323:           mkdir_mode=-m$mode
  324:         else
  325:           mkdir_mode=
  326:         fi
  327: 
  328:         posix_mkdir=false
  329:         case $umask in
  330:           *[123567][0-7][0-7])
  331:             # POSIX mkdir -p sets u+wx bits regardless of umask, which
  332:             # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
  333:             ;;
  334:           *)
  335:             # Note that $RANDOM variable is not portable (e.g. dash);  Use it
  336:             # here however when possible just to lower collision chance.
  337:             tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
  338: 
  339:             trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
  340: 
  341:             # Because "mkdir -p" follows existing symlinks and we likely work
  342:             # directly in world-writeable /tmp, make sure that the '$tmpdir'
  343:             # directory is successfully created first before we actually test
  344:             # 'mkdir -p' feature.
  345:             if (umask $mkdir_umask &&
  346:                 $mkdirprog $mkdir_mode "$tmpdir" &&
  347:                 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
  348:             then
  349:               if test -z "$dir_arg" || {
  350:                    # Check for POSIX incompatibilities with -m.
  351:                    # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
  352:                    # other-writable bit of parent directory when it shouldn't.
  353:                    # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
  354:                    test_tmpdir="$tmpdir/a"
  355:                    ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
  356:                    case $ls_ld_tmpdir in
  357:                      d????-?r-*) different_mode=700;;
  358:                      d????-?--*) different_mode=755;;
  359:                      *) false;;
  360:                    esac &&
  361:                    $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
  362:                      ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
  363:                      test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
  364:                    }
  365:                  }
  366:               then posix_mkdir=:
  367:               fi
  368:               rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
  369:             else
  370:               # Remove any dirs left behind by ancient mkdir implementations.
  371:               rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
  372:             fi
  373:             trap '' 0;;
  374:         esac;;
  375:     esac
  376: 
  377:     if
  378:       $posix_mkdir && (
  379:         umask $mkdir_umask &&
  380:         $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
  381:       )
  382:     then :
  383:     else
  384: 
  385:       # The umask is ridiculous, or mkdir does not conform to POSIX,
  386:       # or it failed possibly due to a race condition.  Create the
  387:       # directory the slow way, step by step, checking for races as we go.
  388: 
  389:       case $dstdir in
  390:         /*) prefix='/';;
  391:         [-=\(\)!]*) prefix='./';;
  392:         *)  prefix='';;
  393:       esac
  394: 
  395:       oIFS=$IFS
  396:       IFS=/
  397:       set -f
  398:       set fnord $dstdir
  399:       shift
  400:       set +f
  401:       IFS=$oIFS
  402: 
  403:       prefixes=
  404: 
  405:       for d
  406:       do
  407:         test X"$d" = X && continue
  408: 
  409:         prefix=$prefix$d
  410:         if test -d "$prefix"; then
  411:           prefixes=
  412:         else
  413:           if $posix_mkdir; then
  414:             (umask=$mkdir_umask &&
  415:              $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
  416:             # Don't fail if two instances are running concurrently.
  417:             test -d "$prefix" || exit 1
  418:           else
  419:             case $prefix in
  420:               *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
  421:               *) qprefix=$prefix;;
  422:             esac
  423:             prefixes="$prefixes '$qprefix'"
  424:           fi
  425:         fi
  426:         prefix=$prefix/
  427:       done
  428: 
  429:       if test -n "$prefixes"; then
  430:         # Don't fail if two instances are running concurrently.
  431:         (umask $mkdir_umask &&
  432:          eval "\$doit_exec \$mkdirprog $prefixes") ||
  433:           test -d "$dstdir" || exit 1
  434:         obsolete_mkdir_used=true
  435:       fi
  436:     fi
  437:   fi
  438: 
  439:   if test -n "$dir_arg"; then
  440:     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
  441:     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
  442:     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
  443:       test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
  444:   else
  445: 
  446:     # Make a couple of temp file names in the proper directory.
  447:     dsttmp=${dstdirslash}_inst.$$_
  448:     rmtmp=${dstdirslash}_rm.$$_
  449: 
  450:     # Trap to clean up those temp files at exit.
  451:     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
  452: 
  453:     # Copy the file name to the temp name.
  454:     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
  455: 
  456:     # and set any options; do chmod last to preserve setuid bits.
  457:     #
  458:     # If any of these fail, we abort the whole thing.  If we want to
  459:     # ignore errors from any of these, just make sure not to ignore
  460:     # errors from the above "$doit $cpprog $src $dsttmp" command.
  461:     #
  462:     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
  463:     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
  464:     { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
  465:     { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
  466: 
  467:     # If -C, don't bother to copy if it wouldn't change the file.
  468:     if $copy_on_change &&
  469:        old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
  470:        new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
  471:        set -f &&
  472:        set X $old && old=:$2:$4:$5:$6 &&
  473:        set X $new && new=:$2:$4:$5:$6 &&
  474:        set +f &&
  475:        test "$old" = "$new" &&
  476:        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
  477:     then
  478:       rm -f "$dsttmp"
  479:     else
  480:       # Rename the file to the real destination.
  481:       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
  482: 
  483:       # The rename failed, perhaps because mv can't rename something else
  484:       # to itself, or perhaps because mv is so ancient that it does not
  485:       # support -f.
  486:       {
  487:         # Now remove or move aside any old file at destination location.
  488:         # We try this two ways since rm can't unlink itself on some
  489:         # systems and the destination file might be busy for other
  490:         # reasons.  In this case, the final cleanup might fail but the new
  491:         # file should still install successfully.
  492:         {
  493:           test ! -f "$dst" ||
  494:           $doit $rmcmd -f "$dst" 2>/dev/null ||
  495:           { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
  496:             { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
  497:           } ||
  498:           { echo "$0: cannot unlink or rename $dst" >&2
  499:             (exit 1); exit 1
  500:           }
  501:         } &&
  502: 
  503:         # Now rename the file to the real destination.
  504:         $doit $mvcmd "$dsttmp" "$dst"
  505:       }
  506:     fi || exit 1
  507: 
  508:     trap '' 0
  509:   fi
  510: done
  511: 
  512: # Local variables:
  513: # eval: (add-hook 'before-save-hook 'time-stamp)
  514: # time-stamp-start: "scriptversion="
  515: # time-stamp-format: "%:y-%02m-%02d.%02H"
  516: # time-stamp-time-zone: "UTC0"
  517: # time-stamp-end: "; # UTC"
  518: # End:

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