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    1 #!/bin/sh
    2 # install - install a program, script, or datafile
    3 
    4 scriptversion=2004-02-15.20
    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="${MKDIRPROG-mkdir}"
   60 
   61 transformbasename=
   62 transform_arg=
   63 instcmd="$mvprog"
   64 chmodcmd="$chmodprog 0755"
   65 chowncmd=
   66 chgrpcmd=
   67 stripcmd=
   68 rmcmd="$rmprog -f"
   69 mvcmd="$mvprog"
   70 src=
   71 dst=
   72 dir_arg=
   73 
   74 usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
   75    or: $0 [OPTION]... SRCFILES... DIRECTORY
   76    or: $0 -d DIRECTORIES...
   77 
   78 In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
   79 In the second, create the directory path DIR.
   80 
   81 Options:
   82 -b=TRANSFORMBASENAME
   83 -c         copy source (using $cpprog) instead of moving (using $mvprog).
   84 -d         create directories instead of installing files.
   85 -g GROUP   $chgrp installed files to GROUP.
   86 -m MODE    $chmod installed files to MODE.
   87 -o USER    $chown installed files to USER.
   88 -s         strip installed files (using $stripprog).
   89 -t=TRANSFORM
   90 --help     display this help and exit.
   91 --version  display version info and exit.
   92 
   93 Environment variables override the default commands:
   94   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
   95 "
   96 
   97 while test -n "$1"; do
   98   case $1 in
   99     -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  100         shift
  101         continue;;
  102 
  103     -c) instcmd=$cpprog
  104         shift
  105         continue;;
  106 
  107     -d) dir_arg=true
  108         shift
  109         continue;;
  110 
  111     -g) chgrpcmd="$chgrpprog $2"
  112         shift
  113         shift
  114         continue;;
  115 
  116     --help) echo "$usage"; exit 0;;
  117 
  118     -m) chmodcmd="$chmodprog $2"
  119         shift
  120         shift
  121         continue;;
  122 
  123     -o) chowncmd="$chownprog $2"
  124         shift
  125         shift
  126         continue;;
  127 
  128     -s) stripcmd=$stripprog
  129         shift
  130         continue;;
  131 
  132     -t=*) transformarg=`echo $1 | sed 's/-t=//'`
  133         shift
  134         continue;;
  135 
  136     --version) echo "$0 $scriptversion"; exit 0;;
  137 
  138     *)  # When -d is used, all remaining arguments are directories to create.
  139     test -n "$dir_arg" && break
  140         # Otherwise, the last argument is the destination.  Remove it from $@.
  141     for arg
  142     do
  143           if test -n "$dstarg"; then
  144         # $@ is not empty: it contains at least $arg.
  145         set fnord "$@" "$dstarg"
  146         shift # fnord
  147       fi
  148       shift # arg
  149       dstarg=$arg
  150     done
  151     break;;
  152   esac
  153 done
  154 
  155 if test -z "$1"; then
  156   if test -z "$dir_arg"; then
  157     echo "$0: no input file specified." >&2
  158     exit 1
  159   fi
  160   # It's OK to call `install-sh -d' without argument.
  161   # This can happen when creating conditional directories.
  162   exit 0
  163 fi
  164 
  165 for src
  166 do
  167   # Protect names starting with `-'.
  168   case $src in
  169     -*) src=./$src ;;
  170   esac
  171 
  172   if test -n "$dir_arg"; then
  173     dst=$src
  174     src=
  175 
  176     if test -d "$dst"; then
  177       instcmd=:
  178       chmodcmd=
  179     else
  180       instcmd=$mkdirprog
  181     fi
  182   else
  183     # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
  184     # might cause directories to be created, which would be especially bad
  185     # if $src (and thus $dsttmp) contains '*'.
  186     if test ! -f "$src" && test ! -d "$src"; then
  187       echo "$0: $src does not exist." >&2
  188       exit 1
  189     fi
  190 
  191     if test -z "$dstarg"; then
  192       echo "$0: no destination specified." >&2
  193       exit 1
  194     fi
  195 
  196     dst=$dstarg
  197     # Protect names starting with `-'.
  198     case $dst in
  199       -*) dst=./$dst ;;
  200     esac
  201 
  202     # If destination is a directory, append the input filename; won't work
  203     # if double slashes aren't ignored.
  204     if test -d "$dst"; then
  205       dst=$dst/`basename "$src"`
  206     fi
  207   fi
  208 
  209   # This sed command emulates the dirname command.
  210   dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
  211 
  212   # Make sure that the destination directory exists.
  213 
  214   # Skip lots of stat calls in the usual case.
  215   if test ! -d "$dstdir"; then
  216     defaultIFS='
  217      '
  218     IFS="${IFS-$defaultIFS}"
  219 
  220     oIFS=$IFS
  221     # Some sh's can't handle IFS=/ for some reason.
  222     IFS='%'
  223     set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
  224     IFS=$oIFS
  225 
  226     pathcomp=
  227 
  228     while test $# -ne 0 ; do
  229       pathcomp=$pathcomp$1
  230       shift
  231       if test ! -d "$pathcomp"; then
  232         $mkdirprog "$pathcomp" || lasterr=$?
  233     # mkdir can fail with a `File exist' error in case several
  234     # install-sh are creating the directory concurrently.  This
  235     # is OK.
  236     test ! -d "$pathcomp" && { (exit ${lasterr-1}); exit; }
  237       fi
  238       pathcomp=$pathcomp/
  239     done
  240   fi
  241 
  242   if test -n "$dir_arg"; then
  243     $doit $instcmd "$dst" \
  244       && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
  245       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
  246       && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
  247       && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
  248 
  249   else
  250     # If we're going to rename the final executable, determine the name now.
  251     if test -z "$transformarg"; then
  252       dstfile=`basename "$dst"`
  253     else
  254       dstfile=`basename "$dst" $transformbasename \
  255                | sed $transformarg`$transformbasename
  256     fi
  257 
  258     # don't allow the sed command to completely eliminate the filename.
  259     test -z "$dstfile" && dstfile=`basename "$dst"`
  260 
  261     # Make a couple of temp file names in the proper directory.
  262     dsttmp=$dstdir/_inst.$$_
  263     rmtmp=$dstdir/_rm.$$_
  264 
  265     # Trap to clean up those temp files at exit.
  266     trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
  267     trap '(exit $?); exit' 1 2 13 15
  268 
  269     # Move or copy the file name to the temp name
  270     $doit $instcmd "$src" "$dsttmp" &&
  271 
  272     # and set any options; do chmod last to preserve setuid bits.
  273     #
  274     # If any of these fail, we abort the whole thing.  If we want to
  275     # ignore errors from any of these, just make sure not to ignore
  276     # errors from the above "$doit $instcmd $src $dsttmp" command.
  277     #
  278     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
  279       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
  280       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
  281       && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
  282 
  283     # Now remove or move aside any old file at destination location.  We
  284     # try this two ways since rm can't unlink itself on some systems and
  285     # the destination file might be busy for other reasons.  In this case,
  286     # the final cleanup might fail but the new file should still install
  287     # successfully.
  288     {
  289       if test -f "$dstdir/$dstfile"; then
  290         $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
  291         || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
  292         || {
  293       echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
  294       (exit 1); exit
  295         }
  296       else
  297         :
  298       fi
  299     } &&
  300 
  301     # Now rename the file to the real destination.
  302     $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
  303   fi || { (exit 1); exit; }
  304 done
  305 
  306 # The final little trick to "correctly" pass the exit status to the exit trap.
  307 {
  308   (exit 0); exit
  309 }
  310 
  311 # Local variables:
  312 # eval: (add-hook 'write-file-hooks 'time-stamp)
  313 # time-stamp-start: "scriptversion="
  314 # time-stamp-format: "%:y-%02m-%02d.%02H"
  315 # time-stamp-end: "$"
  316 # End: