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#!/bin/sh

# install - install a program, script, or datafile

scriptversion=2010-02-06.18; # 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

  do_exit='(exit $ret); exit $ret'

  trap "ret=129; $do_exit" 1

  trap "ret=130; $do_exit" 2

  trap "ret=141; $do_exit" 13

  trap "ret=143; $do_exit" 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: