#!/bin/sh
 # install - install a program, script, or datafile
 

 scriptversion=2009-04-28.21; # UTC

 
 # This originates from X11R5 (mit/util/scripts/install.sh), which was
 # later released in X11R6 (xc/config/util/install.sh) with the
 # following copyright and license.
 #
 # Copyright (C) 1994 X Consortium
 #
 # Permission is hereby granted, free of charge, to any person obtaining a copy
 # of this software and associated documentation files (the "Software"), to
 # deal in the Software without restriction, including without limitation the
 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
 # sell copies of the Software, and to permit persons to whom the Software is
 # furnished to do so, subject to the following conditions:
 #
 # The above copyright notice and this permission notice shall be included in
 # all copies or substantial portions of the Software.
 #
 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
 # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
 # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 #
 # Except as contained in this notice, the name of the X Consortium shall not
 # be used in advertising or otherwise to promote the sale, use or other deal-
 # ings in this Software without prior written authorization from the X Consor-
 # tium.
 #
 #
 # FSF changes to this file are in the public domain.
 #
 # Calling this script install-sh is preferred over install.sh, to prevent
 # `make' implicit rules from creating a file called install from it
 # when there is no Makefile.
 #
 # This script is compatible with the BSD install script, but was written

 # from scratch.
 
 nl='
 '
 IFS=" ""	$nl"

 
 # set DOITPROG to echo to test this script
 
 # Don't use :- since 4.3BSD and earlier shells don't like it.

 doit=${DOITPROG-}

 if test -z "$doit"; then
   doit_exec=exec
 else
   doit_exec=$doit
 fi

 # Put in absolute file names if you don't have them in your path;
 # or use environment vars.

 chgrpprog=${CHGRPPROG-chgrp}
 chmodprog=${CHMODPROG-chmod}
 chownprog=${CHOWNPROG-chown}
 cmpprog=${CMPPROG-cmp}
 cpprog=${CPPROG-cp}
 mkdirprog=${MKDIRPROG-mkdir}
 mvprog=${MVPROG-mv}
 rmprog=${RMPROG-rm}
 stripprog=${STRIPPROG-strip}
 
 posix_glob='?'
 initialize_posix_glob='
   test "$posix_glob" != "?" || {
     if (set -f) 2>/dev/null; then
       posix_glob=
     else
       posix_glob=:
     fi
   }
 '

 posix_mkdir=
 
 # Desired mode of installed file.
 mode=0755
 

 chgrpcmd=

 chmodcmd=$chmodprog

 chowncmd=

 mvcmd=$mvprog

 rmcmd="$rmprog -f"

 stripcmd=
 

 src=
 dst=
 dir_arg=

 dst_arg=
 
 copy_on_change=false

 no_target_directory=
 

 usage="\
 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE

    or: $0 [OPTION]... SRCFILES... DIRECTORY
    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
    or: $0 [OPTION]... -d DIRECTORIES...
 
 In the 1st form, copy SRCFILE to DSTFILE.
 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
 In the 4th, create DIRECTORIES.
 
 Options:

      --help     display this help and exit.
      --version  display version info and exit.
 
   -c            (ignored)
   -C            install only if different (preserve the last data modification time)
   -d            create directories instead of installing files.
   -g GROUP      $chgrpprog installed files to GROUP.
   -m MODE       $chmodprog installed files to MODE.
   -o USER       $chownprog installed files to USER.
   -s            $stripprog installed files.
   -t DIRECTORY  install into DIRECTORY.
   -T            report an error if DSTFILE is a directory.

 
 Environment variables override the default commands:

   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
   RMPROG STRIPPROG

 "
 

 while test $# -ne 0; do

   case $1 in

     -c) ;;
 
     -C) copy_on_change=true;;

     -d) dir_arg=true;;

 
     -g) chgrpcmd="$chgrpprog $2"

 	shift;;

 
     --help) echo "$usage"; exit $?;;
 

     -m) mode=$2
 	case $mode in
 	  *' '* | *'	'* | *'
 '*	  | *'*'* | *'?'* | *'['*)
 	    echo "$0: invalid mode: $mode" >&2
 	    exit 1;;
 	esac

 	shift;;

 
     -o) chowncmd="$chownprog $2"

 	shift;;

     -s) stripcmd=$stripprog;;

     -t) dst_arg=$2
 	shift;;

     -T) no_target_directory=true;;

 
     --version) echo "$0 $scriptversion"; exit $?;;
 

     --)	shift

 	break;;

 
     -*)	echo "$0: invalid option: $1" >&2
 	exit 1;;
 
     *)  break;;

   esac

   shift

 done
 

 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then

   # When -d is used, all remaining arguments are directories to create.
   # When -t is used, the destination is already specified.
   # Otherwise, the last argument is the destination.  Remove it from $@.
   for arg
   do

     if test -n "$dst_arg"; then

       # $@ is not empty: it contains at least $arg.

       set fnord "$@" "$dst_arg"

       shift # fnord
     fi
     shift # arg

     dst_arg=$arg

   done
 fi
 
 if test $# -eq 0; then

   if test -z "$dir_arg"; then
     echo "$0: no input file specified." >&2
     exit 1
   fi
   # It's OK to call `install-sh -d' without argument.
   # This can happen when creating conditional directories.
   exit 0
 fi
 

 if test -z "$dir_arg"; then
   trap '(exit $?); exit' 1 2 13 15
 
   # Set umask so as not to create temps with too-generous modes.
   # However, 'strip' requires both read and write access to temps.
   case $mode in
     # Optimize common cases.
     *644) cp_umask=133;;
     *755) cp_umask=22;;
 
     *[0-7])
       if test -z "$stripcmd"; then
 	u_plus_rw=
       else
 	u_plus_rw='% 200'
       fi
       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
     *)
       if test -z "$stripcmd"; then
 	u_plus_rw=
       else
 	u_plus_rw=,u+rw
       fi
       cp_umask=$mode$u_plus_rw;;
   esac
 fi
 

 for src
 do
   # Protect names starting with `-'.
   case $src in

     -*) src=./$src;;

   esac
 
   if test -n "$dir_arg"; then
     dst=$src

     dstdir=$dst
     test -d "$dstdir"
     dstdir_status=$?

   else

     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
     # might cause directories to be created, which would be especially bad
     # if $src (and thus $dsttmp) contains '*'.
     if test ! -f "$src" && test ! -d "$src"; then
       echo "$0: $src does not exist." >&2
       exit 1
     fi
 

     if test -z "$dst_arg"; then

       echo "$0: no destination specified." >&2
       exit 1
     fi
 

     dst=$dst_arg

     # Protect names starting with `-'.
     case $dst in

       -*) dst=./$dst;;

     esac
 
     # If destination is a directory, append the input filename; won't work
     # if double slashes aren't ignored.
     if test -d "$dst"; then
       if test -n "$no_target_directory"; then

 	echo "$0: $dst_arg: Is a directory" >&2

 	exit 1
       fi

       dstdir=$dst
       dst=$dstdir/`basename "$src"`
       dstdir_status=0
     else
       # Prefer dirname, but fall back on a substitute if dirname fails.
       dstdir=`
 	(dirname "$dst") 2>/dev/null ||
 	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 	     X"$dst" : 'X\(//\)[^/]' \| \
 	     X"$dst" : 'X\(//\)$' \| \
 	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
 	echo X"$dst" |
 	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 		   s//\1/
 		   q
 		 }
 		 /^X\(\/\/\)[^/].*/{
 		   s//\1/
 		   q
 		 }
 		 /^X\(\/\/\)$/{
 		   s//\1/
 		   q
 		 }
 		 /^X\(\/\).*/{
 		   s//\1/
 		   q
 		 }
 		 s/.*/./; q'
       `
 
       test -d "$dstdir"
       dstdir_status=$?

     fi
   fi
 

   obsolete_mkdir_used=false
 
   if test $dstdir_status != 0; then
     case $posix_mkdir in
       '')
 	# Create intermediate dirs using mode 755 as modified by the umask.
 	# This is like FreeBSD 'install' as of 1997-10-28.
 	umask=`umask`
 	case $stripcmd.$umask in
 	  # Optimize common cases.
 	  *[2367][2367]) mkdir_umask=$umask;;
 	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
 
 	  *[0-7])
 	    mkdir_umask=`expr $umask + 22 \
 	      - $umask % 100 % 40 + $umask % 20 \
 	      - $umask % 10 % 4 + $umask % 2
 	    `;;
 	  *) mkdir_umask=$umask,go-w;;
 	esac
 
 	# With -d, create the new directory with the user-specified mode.
 	# Otherwise, rely on $mkdir_umask.
 	if test -n "$dir_arg"; then
 	  mkdir_mode=-m$mode
 	else
 	  mkdir_mode=
 	fi
 
 	posix_mkdir=false
 	case $umask in
 	  *[123567][0-7][0-7])
 	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
 	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
 	    ;;
 	  *)
 	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
 	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
 
 	    if (umask $mkdir_umask &&
 		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
 	    then
 	      if test -z "$dir_arg" || {
 		   # Check for POSIX incompatibilities with -m.
 		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
 		   # other-writeable bit of parent directory when it shouldn't.
 		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
 		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
 		   case $ls_ld_tmpdir in
 		     d????-?r-*) different_mode=700;;
 		     d????-?--*) different_mode=755;;
 		     *) false;;
 		   esac &&
 		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
 		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
 		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
 		   }
 		 }
 	      then posix_mkdir=:
 	      fi
 	      rmdir "$tmpdir/d" "$tmpdir"
 	    else
 	      # Remove any dirs left behind by ancient mkdir implementations.
 	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
 	    fi
 	    trap '' 0;;
 	esac;;
     esac

     if
       $posix_mkdir && (
 	umask $mkdir_umask &&
 	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
       )
     then :
     else

       # The umask is ridiculous, or mkdir does not conform to POSIX,
       # or it failed possibly due to a race condition.  Create the
       # directory the slow way, step by step, checking for races as we go.
 
       case $dstdir in

 	/*) prefix='/';;
 	-*) prefix='./';;
 	*)  prefix='';;

       esac
 

       eval "$initialize_posix_glob"

 
       oIFS=$IFS
       IFS=/

       $posix_glob set -f

       set fnord $dstdir

       shift

       $posix_glob set +f

       IFS=$oIFS
 
       prefixes=
 
       for d
       do
 	test -z "$d" && continue
 
 	prefix=$prefix$d
 	if test -d "$prefix"; then
 	  prefixes=
 	else
 	  if $posix_mkdir; then
 	    (umask=$mkdir_umask &&
 	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
 	    # Don't fail if two instances are running concurrently.
 	    test -d "$prefix" || exit 1
 	  else
 	    case $prefix in
 	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
 	      *) qprefix=$prefix;;
 	    esac
 	    prefixes="$prefixes '$qprefix'"
 	  fi
 	fi
 	prefix=$prefix/
       done
 
       if test -n "$prefixes"; then
 	# Don't fail if two instances are running concurrently.
 	(umask $mkdir_umask &&
 	 eval "\$doit_exec \$mkdirprog $prefixes") ||
 	  test -d "$dstdir" || exit 1
 	obsolete_mkdir_used=true

       fi

     fi

   fi
 
   if test -n "$dir_arg"; then

     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
       test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1

   else
 
     # Make a couple of temp file names in the proper directory.
     dsttmp=$dstdir/_inst.$$_
     rmtmp=$dstdir/_rm.$$_
 
     # Trap to clean up those temp files at exit.
     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
 
     # Copy the file name to the temp name.

     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&

 
     # and set any options; do chmod last to preserve setuid bits.
     #
     # If any of these fail, we abort the whole thing.  If we want to
     # ignore errors from any of these, just make sure not to ignore
     # errors from the above "$doit $cpprog $src $dsttmp" command.
     #

     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
     { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
     { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
 
     # If -C, don't bother to copy if it wouldn't change the file.
     if $copy_on_change &&
        old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
        new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
 
        eval "$initialize_posix_glob" &&
        $posix_glob set -f &&
        set X $old && old=:$2:$4:$5:$6 &&
        set X $new && new=:$2:$4:$5:$6 &&
        $posix_glob set +f &&
 
        test "$old" = "$new" &&
        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
     then
       rm -f "$dsttmp"
     else
       # Rename the file to the real destination.
       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
 
       # The rename failed, perhaps because mv can't rename something else
       # to itself, or perhaps because mv is so ancient that it does not
       # support -f.
       {
 	# Now remove or move aside any old file at destination location.
 	# We try this two ways since rm can't unlink itself on some
 	# systems and the destination file might be busy for other
 	# reasons.  In this case, the final cleanup might fail but the new
 	# file should still install successfully.
 	{
 	  test ! -f "$dst" ||
 	  $doit $rmcmd -f "$dst" 2>/dev/null ||
 	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
 	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
 	  } ||
 	  { echo "$0: cannot unlink or rename $dst" >&2
 	    (exit 1); exit 1
 	  }
 	} &&
 
 	# Now rename the file to the real destination.
 	$doit $mvcmd "$dsttmp" "$dst"
       }
     fi || exit 1

     trap '' 0
   fi
 done

 
 # Local variables:
 # eval: (add-hook 'write-file-hooks 'time-stamp)
 # time-stamp-start: "scriptversion="
 # time-stamp-format: "%:y-%02m-%02d.%02H"

 # time-stamp-time-zone: "UTC"
 # time-stamp-end: "; # UTC"

 # End: