build-scripts/install-sh
author Sam Lantinga <slouken@libsdl.org>
Thu, 12 Jul 2007 05:32:07 +0000
changeset 2177 4f896c20caf6
parent 1361 19418e4422cb
permissions -rwxr-xr-x
Added note about SDL_config.h - merged from revision 3227 on SDL 1.2 branch
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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#!/bin/sh
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# install - install a program, script, or datafile
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scriptversion=2005-02-02.21
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# This originates from X11R5 (mit/util/scripts/install.sh), which was
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# later released in X11R6 (xc/config/util/install.sh) with the
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# following copyright and license.
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#
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# Copyright (C) 1994 X Consortium
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to
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# deal in the Software without restriction, including without limitation the
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# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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# sell copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
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# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
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# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#
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# Except as contained in this notice, the name of the X Consortium shall not
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# be used in advertising or otherwise to promote the sale, use or other deal-
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# ings in this Software without prior written authorization from the X Consor-
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# tium.
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#
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#
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# FSF changes to this file are in the public domain.
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#
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# Calling this script install-sh is preferred over install.sh, to prevent
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# `make' implicit rules from creating a file called install from it
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# when there is no Makefile.
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#
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# This script is compatible with the BSD install script, but was written
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# from scratch.  It can only install one file at a time, a restriction
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# shared with many OS's install programs.
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# set DOITPROG to echo to test this script
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# Don't use :- since 4.3BSD and earlier shells don't like it.
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doit="${DOITPROG-}"
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# put in absolute paths if you don't have them in your path; or use env. vars.
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mvprog="${MVPROG-mv}"
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cpprog="${CPPROG-cp}"
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chmodprog="${CHMODPROG-chmod}"
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chownprog="${CHOWNPROG-chown}"
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chgrpprog="${CHGRPPROG-chgrp}"
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stripprog="${STRIPPROG-strip}"
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rmprog="${RMPROG-rm}"
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mkdirprog="${MKDIRPROG-mkdir}"
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chmodcmd="$chmodprog 0755"
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chowncmd=
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chgrpcmd=
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stripcmd=
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rmcmd="$rmprog -f"
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mvcmd="$mvprog"
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src=
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dst=
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dir_arg=
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dstarg=
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no_target_directory=
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usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
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   or: $0 [OPTION]... SRCFILES... DIRECTORY
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   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
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   or: $0 [OPTION]... -d DIRECTORIES...
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In the 1st form, copy SRCFILE to DSTFILE.
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In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
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In the 4th, create DIRECTORIES.
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Options:
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-c         (ignored)
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-d         create directories instead of installing files.
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-g GROUP   $chgrpprog installed files to GROUP.
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-m MODE    $chmodprog installed files to MODE.
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-o USER    $chownprog installed files to USER.
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-s         $stripprog installed files.
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-t DIRECTORY  install into DIRECTORY.
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-T         report an error if DSTFILE is a directory.
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--help     display this help and exit.
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--version  display version info and exit.
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Environment variables override the default commands:
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  CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
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"
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while test -n "$1"; do
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  case $1 in
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    -c) shift
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        continue;;
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    -d) dir_arg=true
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        shift
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        continue;;
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    -g) chgrpcmd="$chgrpprog $2"
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        shift
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        shift
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        continue;;
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    --help) echo "$usage"; exit $?;;
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    -m) chmodcmd="$chmodprog $2"
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        shift
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        shift
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        continue;;
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    -o) chowncmd="$chownprog $2"
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        shift
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        shift
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        continue;;
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    -s) stripcmd=$stripprog
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        shift
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        continue;;
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    -t) dstarg=$2
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	shift
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	shift
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	continue;;
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    -T) no_target_directory=true
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	shift
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	continue;;
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    --version) echo "$0 $scriptversion"; exit $?;;
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    *)  # When -d is used, all remaining arguments are directories to create.
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	# When -t is used, the destination is already specified.
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	test -n "$dir_arg$dstarg" && break
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        # Otherwise, the last argument is the destination.  Remove it from $@.
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	for arg
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	do
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          if test -n "$dstarg"; then
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	    # $@ is not empty: it contains at least $arg.
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	    set fnord "$@" "$dstarg"
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	    shift # fnord
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	  fi
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	  shift # arg
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	  dstarg=$arg
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	done
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	break;;
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  esac
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done
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if test -z "$1"; then
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  if test -z "$dir_arg"; then
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    echo "$0: no input file specified." >&2
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    exit 1
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  fi
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  # It's OK to call `install-sh -d' without argument.
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  # This can happen when creating conditional directories.
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  exit 0
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fi
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for src
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do
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  # Protect names starting with `-'.
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  case $src in
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    -*) src=./$src ;;
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  esac
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  if test -n "$dir_arg"; then
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    dst=$src
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    src=
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    if test -d "$dst"; then
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      mkdircmd=:
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      chmodcmd=
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    else
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      mkdircmd=$mkdirprog
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    fi
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  else
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    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
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    # might cause directories to be created, which would be especially bad
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    # if $src (and thus $dsttmp) contains '*'.
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    if test ! -f "$src" && test ! -d "$src"; then
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      echo "$0: $src does not exist." >&2
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      exit 1
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    fi
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    if test -z "$dstarg"; then
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      echo "$0: no destination specified." >&2
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      exit 1
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   196
    fi
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    dst=$dstarg
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    # Protect names starting with `-'.
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    case $dst in
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      -*) dst=./$dst ;;
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    esac
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    # If destination is a directory, append the input filename; won't work
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    # if double slashes aren't ignored.
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   206
    if test -d "$dst"; then
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   207
      if test -n "$no_target_directory"; then
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	echo "$0: $dstarg: Is a directory" >&2
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	exit 1
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      fi
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      dst=$dst/`basename "$src"`
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    fi
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   213
  fi
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   214
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   215
  # This sed command emulates the dirname command.
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   216
  dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
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   217
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  # Make sure that the destination directory exists.
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   219
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  # Skip lots of stat calls in the usual case.
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   221
  if test ! -d "$dstdir"; then
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   222
    defaultIFS='
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   223
	 '
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   224
    IFS="${IFS-$defaultIFS}"
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   225
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    oIFS=$IFS
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   227
    # Some sh's can't handle IFS=/ for some reason.
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   228
    IFS='%'
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   229
    set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
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   230
    shift
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   231
    IFS=$oIFS
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   232
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   233
    pathcomp=
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   234
19418e4422cb New configure-based build system. Still work in progress, but much improved
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   235
    while test $# -ne 0 ; do
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   236
      pathcomp=$pathcomp$1
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   237
      shift
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   238
      if test ! -d "$pathcomp"; then
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   239
        $mkdirprog "$pathcomp"
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   240
	# mkdir can fail with a `File exist' error in case several
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   241
	# install-sh are creating the directory concurrently.  This
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   242
	# is OK.
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   243
	test -d "$pathcomp" || exit
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   244
      fi
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   245
      pathcomp=$pathcomp/
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   246
    done
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   247
  fi
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   248
19418e4422cb New configure-based build system. Still work in progress, but much improved
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   249
  if test -n "$dir_arg"; then
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   250
    $doit $mkdircmd "$dst" \
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   251
      && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
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   252
      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
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   253
      && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
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   254
      && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
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   255
19418e4422cb New configure-based build system. Still work in progress, but much improved
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   256
  else
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   257
    dstfile=`basename "$dst"`
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   258
19418e4422cb New configure-based build system. Still work in progress, but much improved
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   259
    # Make a couple of temp file names in the proper directory.
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   260
    dsttmp=$dstdir/_inst.$$_
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   261
    rmtmp=$dstdir/_rm.$$_
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   262
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   263
    # Trap to clean up those temp files at exit.
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    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
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    trap '(exit $?); exit' 1 2 13 15
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    # Copy the file name to the temp name.
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    $doit $cpprog "$src" "$dsttmp" &&
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    # and set any options; do chmod last to preserve setuid bits.
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    #
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    # If any of these fail, we abort the whole thing.  If we want to
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    # ignore errors from any of these, just make sure not to ignore
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    # errors from the above "$doit $cpprog $src $dsttmp" command.
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    #
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    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
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      && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
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      && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
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      && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
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    # Now rename the file to the real destination.
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    { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
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      || {
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	   # The rename failed, perhaps because mv can't rename something else
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	   # to itself, or perhaps because mv is so ancient that it does not
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	   # support -f.
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	   # Now remove or move aside any old file at destination location.
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	   # We try this two ways since rm can't unlink itself on some
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	   # systems and the destination file might be busy for other
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	   # reasons.  In this case, the final cleanup might fail but the new
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	   # file should still install successfully.
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	   {
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	     if test -f "$dstdir/$dstfile"; then
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	       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
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	       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
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	       || {
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		 echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
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		 (exit 1); exit 1
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	       }
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	     else
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	       :
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	     fi
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	   } &&
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	   # Now rename the file to the real destination.
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	   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
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	 }
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    }
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  fi || { (exit 1); exit 1; }
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done
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# The final little trick to "correctly" pass the exit status to the exit trap.
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{
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  (exit 0); exit 0
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}
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# Local variables:
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# eval: (add-hook 'write-file-hooks 'time-stamp)
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# time-stamp-start: "scriptversion="
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# time-stamp-format: "%:y-%02m-%02d.%02H"
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# time-stamp-end: "$"
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# End: