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    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: