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#!/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: