Blame install-sh

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#!/bin/sh
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# install - install a program, script, or datafile
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scriptversion=2018-03-11.20; # UTC
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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.
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tab='	'
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nl='
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'
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IFS=" $tab$nl"
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# Set DOITPROG to "echo" to test this script.
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doit=${DOITPROG-}
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doit_exec=${doit:-exec}
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# Put in absolute file names if you don't have them in your path;
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# or use environment vars.
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chgrpprog=${CHGRPPROG-chgrp}
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chmodprog=${CHMODPROG-chmod}
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chownprog=${CHOWNPROG-chown}
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cmpprog=${CMPPROG-cmp}
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cpprog=${CPPROG-cp}
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mkdirprog=${MKDIRPROG-mkdir}
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mvprog=${MVPROG-mv}
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rmprog=${RMPROG-rm}
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stripprog=${STRIPPROG-strip}
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posix_mkdir=
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# Desired mode of installed file.
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mode=0755
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chgrpcmd=
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chmodcmd=$chmodprog
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chowncmd=
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mvcmd=$mvprog
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rmcmd="$rmprog -f"
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stripcmd=
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src=
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dst=
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dir_arg=
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dst_arg=
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copy_on_change=false
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is_target_a_directory=possibly
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usage="\
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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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     --help     display this help and exit.
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     --version  display version info and exit.
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  -c            (ignored)
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  -C            install only if different (preserve the last data modification time)
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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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Environment variables override the default commands:
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  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
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  RMPROG STRIPPROG
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"
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while test $# -ne 0; do
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  case $1 in
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    -c) ;;
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    -C) copy_on_change=true;;
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    -d) dir_arg=true;;
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    -g) chgrpcmd="$chgrpprog $2"
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        shift;;
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    --help) echo "$usage"; exit $?;;
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    -m) mode=$2
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        case $mode in
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          *' '* | *"$tab"* | *"$nl"* | *'*'* | *'?'* | *'['*)
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            echo "$0: invalid mode: $mode" >&2
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            exit 1;;
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        esac
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        shift;;
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    -o) chowncmd="$chownprog $2"
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        shift;;
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    -s) stripcmd=$stripprog;;
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    -t)
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        is_target_a_directory=always
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        dst_arg=$2
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        # Protect names problematic for 'test' and other utilities.
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        case $dst_arg in
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          -* | [=\(\)!]) dst_arg=./$dst_arg;;
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        esac
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        shift;;
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    -T) is_target_a_directory=never;;
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    --version) echo "$0 $scriptversion"; exit $?;;
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    --) shift
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        break;;
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    -*) echo "$0: invalid option: $1" >&2
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        exit 1;;
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    *)  break;;
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  esac
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  shift
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done
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# We allow the use of options -d and -T together, by making -d
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# take the precedence; this is for compatibility with GNU install.
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if test -n "$dir_arg"; then
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  if test -n "$dst_arg"; then
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    echo "$0: target directory not allowed when installing a directory." >&2
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    exit 1
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  fi
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fi
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if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
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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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  # Otherwise, the last argument is the destination.  Remove it from $@.
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  for arg
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  do
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    if test -n "$dst_arg"; then
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      # $@ is not empty: it contains at least $arg.
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      set fnord "$@" "$dst_arg"
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      shift # fnord
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    fi
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    shift # arg
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    dst_arg=$arg
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    # Protect names problematic for 'test' and other utilities.
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    case $dst_arg in
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      -* | [=\(\)!]) dst_arg=./$dst_arg;;
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    esac
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  done
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fi
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if test $# -eq 0; then
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  if test -z "$dir_arg"; then
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    echo "$0: no input file specified." >&2
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    exit 1
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  fi
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  # It's OK to call 'install-sh -d' without argument.
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  # This can happen when creating conditional directories.
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  exit 0
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fi
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if test -z "$dir_arg"; then
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  if test $# -gt 1 || test "$is_target_a_directory" = always; then
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    if test ! -d "$dst_arg"; then
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      echo "$0: $dst_arg: Is not a directory." >&2
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      exit 1
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    fi
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  fi
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fi
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if test -z "$dir_arg"; then
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  do_exit='(exit $ret); exit $ret'
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  trap "ret=129; $do_exit" 1
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  trap "ret=130; $do_exit" 2
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  trap "ret=141; $do_exit" 13
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  trap "ret=143; $do_exit" 15
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  # Set umask so as not to create temps with too-generous modes.
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  # However, 'strip' requires both read and write access to temps.
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  case $mode in
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    # Optimize common cases.
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    *644) cp_umask=133;;
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    *755) cp_umask=22;;
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    *[0-7])
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      if test -z "$stripcmd"; then
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        u_plus_rw=
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      else
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        u_plus_rw='% 200'
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      fi
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      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
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    *)
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      if test -z "$stripcmd"; then
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        u_plus_rw=
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      else
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        u_plus_rw=,u+rw
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      fi
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      cp_umask=$mode$u_plus_rw;;
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  esac
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fi
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for src
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do
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  # Protect names problematic for 'test' and other utilities.
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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=$src
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    dstdir=$dst
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    test -d "$dstdir"
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    dstdir_status=$?
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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: $src does not exist." >&2
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      exit 1
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    fi
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    if test -z "$dst_arg"; then
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      echo "$0: no destination specified." >&2
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      exit 1
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    fi
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    dst=$dst_arg
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    # If destination is a directory, append the input filename.
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    if test -d "$dst"; then
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      if test "$is_target_a_directory" = never; then
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        echo "$0: $dst_arg: Is a directory" >&2
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        exit 1
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      fi
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      dstdir=$dst
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      dstbase=`basename "$src"`
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      case $dst in
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	*/) dst=$dst$dstbase;;
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	*)  dst=$dst/$dstbase;;
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      esac
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      dstdir_status=0
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    else
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      dstdir=`dirname "$dst"`
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      test -d "$dstdir"
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      dstdir_status=$?
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    fi
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  fi
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  case $dstdir in
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    */) dstdirslash=$dstdir;;
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    *)  dstdirslash=$dstdir/;;
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  esac
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  obsolete_mkdir_used=false
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  if test $dstdir_status != 0; then
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    case $posix_mkdir in
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      '')
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        # Create intermediate dirs using mode 755 as modified by the umask.
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        # This is like FreeBSD 'install' as of 1997-10-28.
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        umask=`umask`
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        case $stripcmd.$umask in
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          # Optimize common cases.
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          *[2367][2367]) mkdir_umask=$umask;;
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          .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
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          *[0-7])
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            mkdir_umask=`expr $umask + 22 \
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              - $umask % 100 % 40 + $umask % 20 \
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              - $umask % 10 % 4 + $umask % 2
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            `;;
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          *) mkdir_umask=$umask,go-w;;
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        esac
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        # With -d, create the new directory with the user-specified mode.
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        # Otherwise, rely on $mkdir_umask.
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        if test -n "$dir_arg"; then
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          mkdir_mode=-m$mode
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        else
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          mkdir_mode=
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        fi
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        posix_mkdir=false
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        case $umask in
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          *[123567][0-7][0-7])
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            # POSIX mkdir -p sets u+wx bits regardless of umask, which
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            # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
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            ;;
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          *)
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            # Note that $RANDOM variable is not portable (e.g. dash);  Use it
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            # here however when possible just to lower collision chance.
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            tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
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            trap 'ret=$?; rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir" 2>/dev/null; exit $ret' 0
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            # Because "mkdir -p" follows existing symlinks and we likely work
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            # directly in world-writeable /tmp, make sure that the '$tmpdir'
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            # directory is successfully created first before we actually test
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            # 'mkdir -p' feature.
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            if (umask $mkdir_umask &&
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                $mkdirprog $mkdir_mode "$tmpdir" &&
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                exec $mkdirprog $mkdir_mode -p -- "$tmpdir/a/b") >/dev/null 2>&1
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            then
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              if test -z "$dir_arg" || {
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                   # Check for POSIX incompatibilities with -m.
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                   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
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                   # other-writable bit of parent directory when it shouldn't.
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                   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
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                   test_tmpdir="$tmpdir/a"
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                   ls_ld_tmpdir=`ls -ld "$test_tmpdir"`
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                   case $ls_ld_tmpdir in
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                     d????-?r-*) different_mode=700;;
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                     d????-?--*) different_mode=755;;
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                     *) false;;
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                   esac &&
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                   $mkdirprog -m$different_mode -p -- "$test_tmpdir" && {
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                     ls_ld_tmpdir_1=`ls -ld "$test_tmpdir"`
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                     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
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                   }
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                 }
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              then posix_mkdir=:
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              fi
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              rmdir "$tmpdir/a/b" "$tmpdir/a" "$tmpdir"
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            else
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              # Remove any dirs left behind by ancient mkdir implementations.
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              rmdir ./$mkdir_mode ./-p ./-- "$tmpdir" 2>/dev/null
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            fi
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            trap '' 0;;
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        esac;;
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    esac
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    if
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      $posix_mkdir && (
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        umask $mkdir_umask &&
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        $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
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      )
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    then :
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    else
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      # The umask is ridiculous, or mkdir does not conform to POSIX,
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      # or it failed possibly due to a race condition.  Create the
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      # directory the slow way, step by step, checking for races as we go.
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      case $dstdir in
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        /*) prefix='/';;
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        [-=\(\)!]*) prefix='./';;
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        *)  prefix='';;
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      esac
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      oIFS=$IFS
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      IFS=/
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      set -f
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      set fnord $dstdir
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      shift
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      set +f
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      IFS=$oIFS
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      prefixes=
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      for d
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      do
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        test X"$d" = X && continue
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        prefix=$prefix$d
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        if test -d "$prefix"; then
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          prefixes=
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        else
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          if $posix_mkdir; then
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            (umask=$mkdir_umask &&
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             $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
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            # Don't fail if two instances are running concurrently.
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            test -d "$prefix" || exit 1
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          else
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            case $prefix in
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              *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
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              *) qprefix=$prefix;;
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            esac
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            prefixes="$prefixes '$qprefix'"
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          fi
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        fi
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        prefix=$prefix/
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      done
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      if test -n "$prefixes"; then
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        # Don't fail if two instances are running concurrently.
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        (umask $mkdir_umask &&
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         eval "\$doit_exec \$mkdirprog $prefixes") ||
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          test -d "$dstdir" || exit 1
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        obsolete_mkdir_used=true
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      fi
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    fi
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  fi
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  if test -n "$dir_arg"; then
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    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
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    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
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    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
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      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
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  else
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    # Make a couple of temp file names in the proper directory.
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    dsttmp=${dstdirslash}_inst.$$_
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    rmtmp=${dstdirslash}_rm.$$_
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    # 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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    # Copy the file name to the temp name.
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    (umask $cp_umask && $doit_exec $cpprog "$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 $mode "$dsttmp"; } &&
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Packit 6bd9ab
    # If -C, don't bother to copy if it wouldn't change the file.
Packit 6bd9ab
    if $copy_on_change &&
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       old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
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       new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
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       set -f &&
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       set X $old && old=:$2:$4:$5:$6 &&
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       set X $new && new=:$2:$4:$5:$6 &&
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       set +f &&
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       test "$old" = "$new" &&
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       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
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    then
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      rm -f "$dsttmp"
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    else
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      # Rename the file to the real destination.
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      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
Packit 6bd9ab
Packit 6bd9ab
      # The rename failed, perhaps because mv can't rename something else
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      # to itself, or perhaps because mv is so ancient that it does not
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      # support -f.
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      {
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        # Now remove or move aside any old file at destination location.
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        # We try this two ways since rm can't unlink itself on some
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        # systems and the destination file might be busy for other
Packit 6bd9ab
        # reasons.  In this case, the final cleanup might fail but the new
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        # file should still install successfully.
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        {
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          test ! -f "$dst" ||
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          $doit $rmcmd -f "$dst" 2>/dev/null ||
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          { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
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            { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
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          } ||
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          { echo "$0: cannot unlink or rename $dst" >&2
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            (exit 1); exit 1
Packit 6bd9ab
          }
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        } &&
Packit 6bd9ab
Packit 6bd9ab
        # Now rename the file to the real destination.
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        $doit $mvcmd "$dsttmp" "$dst"
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      }
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    fi || exit 1
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    trap '' 0
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  fi
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done
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# Local variables:
Packit Service edead4
# eval: (add-hook 'before-save-hook 'time-stamp)
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# time-stamp-start: "scriptversion="
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# time-stamp-format: "%:y-%02m-%02d.%02H"
Packit Service edead4
# time-stamp-time-zone: "UTC0"
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# time-stamp-end: "; # UTC"
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# End: