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#!/bin/sh

# install - install a program, script, or datafile

scriptversion=2005-02-02.21

# 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.  It can only install one file at a time, a restriction

# shared with many OS's install programs.

# set DOITPROG to echo to test this script

# Don't use :- since 4.3BSD and earlier shells don't like it.

doit="${DOITPROG-}"

# put in absolute paths if you don't have them in your path; or use env. vars.

mvprog="${MVPROG-mv}"

cpprog="${CPPROG-cp}"

chmodprog="${CHMODPROG-chmod}"

chownprog="${CHOWNPROG-chown}"

chgrpprog="${CHGRPPROG-chgrp}"

stripprog="${STRIPPROG-strip}"

rmprog="${RMPROG-rm}"

mkdirprog="${MKDIRPROG-mkdir}"

chmodcmd="$chmodprog 0755"

chowncmd=

chgrpcmd=

stripcmd=

rmcmd="$rmprog -f"

mvcmd="$mvprog"

src=

dst=

dir_arg=

dstarg=

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:

-c         (ignored)

-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.

--help     display this help and exit.

--version  display version info and exit.

Environment variables override the default commands:

  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG

"

while test -n "$1"; do

  case $1 in

    -c) shift

        continue;;

    -d) dir_arg=true

        shift

        continue;;

    -g) chgrpcmd="$chgrpprog $2"

        shift

        shift

        continue;;

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

    -m) chmodcmd="$chmodprog $2"

        shift

        shift

        continue;;

    -o) chowncmd="$chownprog $2"

        shift

        shift

        continue;;

    -s) stripcmd=$stripprog

        shift

        continue;;

    -t) dstarg=$2

        shift

        shift

        continue;;

    -T) no_target_directory=true

        shift

        continue;;

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

    *)  # When -d is used, all remaining arguments are directories to create.

        # When -t is used, the destination is already specified.

        test -n "$dir_arg$dstarg" && break

        # Otherwise, the last argument is the destination.  Remove it from $@.

        for arg

        do

          if test -n "$dstarg"; then

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

            set fnord "$@" "$dstarg"

            shift # fnord

          fi

          shift # arg

          dstarg=$arg

        done

        break;;

  esac

done

if test -z "$1"; 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

for src

do

  # Protect names starting with `-'.

  case $src in

    -*) src=./$src ;;

  esac

  if test -n "$dir_arg"; then

    dst=$src

    src=

    if test -d "$dst"; then

      mkdircmd=:

      chmodcmd=

    else

      mkdircmd=$mkdirprog

    fi

  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 "$dstarg"; then

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

      exit 1

    fi

    dst=$dstarg

    # 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: $dstarg: Is a directory" >&2

        exit 1

      fi

      dst=$dst/`basename "$src"`

    fi

  fi

  # This sed command emulates the dirname command.

  dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`

  # Make sure that the destination directory exists.

  # Skip lots of stat calls in the usual case.

  if test ! -d "$dstdir"; then

    defaultIFS='

         '

    IFS="${IFS-$defaultIFS}"

    oIFS=$IFS

    # Some sh's can't handle IFS=/ for some reason.

    IFS='%'

    set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`

    shift

    IFS=$oIFS

    pathcomp=

    while test $# -ne 0 ; do

      pathcomp=$pathcomp$1

      shift

      if test ! -d "$pathcomp"; then

        $mkdirprog "$pathcomp"

        # mkdir can fail with a `File exist' error in case several

        # install-sh are creating the directory concurrently.  This

        # is OK.

        test -d "$pathcomp" || exit

      fi

      pathcomp=$pathcomp/

    done

  fi

  if test -n "$dir_arg"; then

    $doit $mkdircmd "$dst" \

      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \

      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \

      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \

      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }

  else

    dstfile=`basename "$dst"`

    # 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

    trap '(exit $?); exit' 1 2 13 15

    # Copy the file name to the temp name.

    $doit $cpprog "$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 $chmodcmd "$dsttmp"; } &&

    # Now rename the file to the real destination.

    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 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.

           {

             if test -f "$dstdir/$dstfile"; then

               $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \

               || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \

               || {

                 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2

                 (exit 1); exit 1

               }

             else

               :

             fi

           } &&

           # Now rename the file to the real destination.

           $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"

         }

    }

  fi || { (exit 1); exit 1; }

done

# The final little trick to "correctly" pass the exit status to the exit trap.

{

  (exit 0); exit 0

}

# Local variables:

# eval: (add-hook 'write-file-hooks 'time-stamp)

# time-stamp-start: "scriptversion="

# time-stamp-format: "%:y-%02m-%02d.%02H"

# time-stamp-end: "$"

# End: