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    1 #!/bin/sh
    2 # install - install a program, script, or datafile
    3 
    4 scriptversion=2005-05-14.22
    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.  It can only install one file at a time, a restriction
   43 # shared with many OS's install programs.
   44 
   45 # set DOITPROG to echo to test this script
   46 
   47 # Don't use :- since 4.3BSD and earlier shells don't like it.
   48 doit="${DOITPROG-}"
   49 
   50 # put in absolute paths if you don't have them in your path; or use env. vars.
   51 
   52 mvprog="${MVPROG-mv}"
   53 cpprog="${CPPROG-cp}"
   54 chmodprog="${CHMODPROG-chmod}"
   55 chownprog="${CHOWNPROG-chown}"
   56 chgrpprog="${CHGRPPROG-chgrp}"
   57 stripprog="${STRIPPROG-strip}"
   58 rmprog="${RMPROG-rm}"
   59 mkdirprog="${MKDIRPROG-mkdir}"
   60 
   61 chmodcmd="$chmodprog 0755"
   62 chowncmd=
   63 chgrpcmd=
   64 stripcmd=
   65 rmcmd="$rmprog -f"
   66 mvcmd="$mvprog"
   67 src=
   68 dst=
   69 dir_arg=
   70 dstarg=
   71 no_target_directory=
   72 
   73 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
   74    or: $0 [OPTION]... SRCFILES... DIRECTORY
   75    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
   76    or: $0 [OPTION]... -d DIRECTORIES...
   77 
   78 In the 1st form, copy SRCFILE to DSTFILE.
   79 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
   80 In the 4th, create DIRECTORIES.
   81 
   82 Options:
   83 -c         (ignored)
   84 -d         create directories instead of installing files.
   85 -g GROUP   $chgrpprog installed files to GROUP.
   86 -m MODE    $chmodprog installed files to MODE.
   87 -o USER    $chownprog installed files to USER.
   88 -s         $stripprog installed files.
   89 -t DIRECTORY  install into DIRECTORY.
   90 -T         report an error if DSTFILE is a directory.
   91 --help     display this help and exit.
   92 --version  display version info and exit.
   93 
   94 Environment variables override the default commands:
   95   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
   96 "
   97 
   98 while test -n "$1"; do
   99   case $1 in
  100     -c) shift
  101         continue;;
  102 
  103     -d) dir_arg=true
  104         shift
  105         continue;;
  106 
  107     -g) chgrpcmd="$chgrpprog $2"
  108         shift
  109         shift
  110         continue;;
  111 
  112     --help) echo "$usage"; exit $?;;
  113 
  114     -m) chmodcmd="$chmodprog $2"
  115         shift
  116         shift
  117         continue;;
  118 
  119     -o) chowncmd="$chownprog $2"
  120         shift
  121         shift
  122         continue;;
  123 
  124     -s) stripcmd=$stripprog
  125         shift
  126         continue;;
  127 
  128     -t) dstarg=$2
  129     shift
  130     shift
  131     continue;;
  132 
  133     -T) no_target_directory=true
  134     shift
  135     continue;;
  136 
  137     --version) echo "$0 $scriptversion"; exit $?;;
  138 
  139     *)  # When -d is used, all remaining arguments are directories to create.
  140     # When -t is used, the destination is already specified.
  141     test -n "$dir_arg$dstarg" && break
  142         # Otherwise, the last argument is the destination.  Remove it from $@.
  143     for arg
  144     do
  145           if test -n "$dstarg"; then
  146         # $@ is not empty: it contains at least $arg.
  147         set fnord "$@" "$dstarg"
  148         shift # fnord
  149       fi
  150       shift # arg
  151       dstarg=$arg
  152     done
  153     break;;
  154   esac
  155 done
  156 
  157 if test -z "$1"; then
  158   if test -z "$dir_arg"; then
  159     echo "$0: no input file specified." >&2
  160     exit 1
  161   fi
  162   # It's OK to call `install-sh -d' without argument.
  163   # This can happen when creating conditional directories.
  164   exit 0
  165 fi
  166 
  167 for src
  168 do
  169   # Protect names starting with `-'.
  170   case $src in
  171     -*) src=./$src ;;
  172   esac
  173 
  174   if test -n "$dir_arg"; then
  175     dst=$src
  176     src=
  177 
  178     if test -d "$dst"; then
  179       mkdircmd=:
  180       chmodcmd=
  181     else
  182       mkdircmd=$mkdirprog
  183     fi
  184   else
  185     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
  186     # might cause directories to be created, which would be especially bad
  187     # if $src (and thus $dsttmp) contains '*'.
  188     if test ! -f "$src" && test ! -d "$src"; then
  189       echo "$0: $src does not exist." >&2
  190       exit 1
  191     fi
  192 
  193     if test -z "$dstarg"; then
  194       echo "$0: no destination specified." >&2
  195       exit 1
  196     fi
  197 
  198     dst=$dstarg
  199     # Protect names starting with `-'.
  200     case $dst in
  201       -*) dst=./$dst ;;
  202     esac
  203 
  204     # If destination is a directory, append the input filename; won't work
  205     # if double slashes aren't ignored.
  206     if test -d "$dst"; then
  207       if test -n "$no_target_directory"; then
  208     echo "$0: $dstarg: Is a directory" >&2
  209     exit 1
  210       fi
  211       dst=$dst/`basename "$src"`
  212     fi
  213   fi
  214 
  215   # This sed command emulates the dirname command.
  216   dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
  217 
  218   # Make sure that the destination directory exists.
  219 
  220   # Skip lots of stat calls in the usual case.
  221   if test ! -d "$dstdir"; then
  222     defaultIFS='
  223      '
  224     IFS="${IFS-$defaultIFS}"
  225 
  226     oIFS=$IFS
  227     # Some sh's can't handle IFS=/ for some reason.
  228     IFS='%'
  229     set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
  230     shift
  231     IFS=$oIFS
  232 
  233     pathcomp=
  234 
  235     while test $# -ne 0 ; do
  236       pathcomp=$pathcomp$1
  237       shift
  238       if test ! -d "$pathcomp"; then
  239         $mkdirprog "$pathcomp"
  240     # mkdir can fail with a `File exist' error in case several
  241     # install-sh are creating the directory concurrently.  This
  242     # is OK.
  243     test -d "$pathcomp" || exit
  244       fi
  245       pathcomp=$pathcomp/
  246     done
  247   fi
  248 
  249   if test -n "$dir_arg"; then
  250     $doit $mkdircmd "$dst" \
  251       && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
  252       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
  253       && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
  254       && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
  255 
  256   else
  257     dstfile=`basename "$dst"`
  258 
  259     # Make a couple of temp file names in the proper directory.
  260     dsttmp=$dstdir/_inst.$$_
  261     rmtmp=$dstdir/_rm.$$_
  262 
  263     # Trap to clean up those temp files at exit.
  264     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
  265     trap '(exit $?); exit' 1 2 13 15
  266 
  267     # Copy the file name to the temp name.
  268     $doit $cpprog "$src" "$dsttmp" &&
  269 
  270     # and set any options; do chmod last to preserve setuid bits.
  271     #
  272     # If any of these fail, we abort the whole thing.  If we want to
  273     # ignore errors from any of these, just make sure not to ignore
  274     # errors from the above "$doit $cpprog $src $dsttmp" command.
  275     #
  276     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
  277       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
  278       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
  279       && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
  280 
  281     # Now rename the file to the real destination.
  282     { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
  283       || {
  284        # The rename failed, perhaps because mv can't rename something else
  285        # to itself, or perhaps because mv is so ancient that it does not
  286        # support -f.
  287 
  288        # Now remove or move aside any old file at destination location.
  289        # We try this two ways since rm can't unlink itself on some
  290        # systems and the destination file might be busy for other
  291        # reasons.  In this case, the final cleanup might fail but the new
  292        # file should still install successfully.
  293        {
  294          if test -f "$dstdir/$dstfile"; then
  295            $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
  296            || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
  297            || {
  298          echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
  299          (exit 1); exit 1
  300            }
  301          else
  302            :
  303          fi
  304        } &&
  305 
  306        # Now rename the file to the real destination.
  307        $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
  308      }
  309     }
  310   fi || { (exit 1); exit 1; }
  311 done
  312 
  313 # The final little trick to "correctly" pass the exit status to the exit trap.
  314 {
  315   (exit 0); exit 0
  316 }
  317 
  318 # Local variables:
  319 # eval: (add-hook 'write-file-hooks 'time-stamp)
  320 # time-stamp-start: "scriptversion="
  321 # time-stamp-format: "%:y-%02m-%02d.%02H"
  322 # time-stamp-end: "$"
  323 # End: