[grub2.git] / install-sh

#!/bin/sh
# install - install a program, script, or datafile

scriptversion=2006-05-11.20

# 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.

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-}"

# Put in absolute file names if you don't have them in your path;
# or use environment 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}"

posix_glob=
posix_mkdir=

# Symbolic mode for testing mkdir with directories.
# It is the same as 755, but also tests that "u+" works.
test_mode=u=rwx,g=rx,o=rx,u+wx

# Desired mode of installed file.
mode=0755

# Desired mode of newly created intermediate directories.
# It is empty if not known yet.
intermediate_mode=

chmodcmd=$chmodprog
chowncmd=
chgrpcmd=
stripcmd=
rmcmd="$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 $# -ne 0; 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) mode=$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 $?;;

    --)	shift
	break;;

    -*)	echo "$0: invalid option: $1" >&2
	exit 1;;

    *)  break;;
  esac
done

if test $# -ne 0 && test -z "$dir_arg$dstarg"; 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 $@.
  for arg
  do
    if test -n "$dstarg"; then
      # $@ is not empty: it contains at least $arg.
      set fnord "$@" "$dstarg"
      shift # fnord
    fi
    shift # arg
    dstarg=$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

test -n "$dir_arg" || trap '(exit $?); exit' 1 2 13 15

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 "$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: $dstarg: Is a directory" >&2
	exit 1
      fi
      dstdir=$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
      '')
	posix_mkdir=false
	if $mkdirprog -m $test_mode -p -- / >/dev/null 2>&1; then
	  posix_mkdir=true
	else
	  # Remove any dirs left behind by ancient mkdir implementations.
	  rmdir ./-m "$test_mode" ./-p ./-- 2>/dev/null
	fi ;;
    esac

    if
      $posix_mkdir && {

	# With -d, create the new directory with the user-specified mode.
	# Otherwise, create it using the same intermediate mode that
	# mkdir -p would use when creating intermediate directories.
	# POSIX says that this mode is "$(umask -S),u+wx", so use that
	# if umask -S works.

	if test -n "$dir_arg"; then
	  mkdir_mode=$mode
	else
	  case $intermediate_mode in
	    '')
	      if umask_S=`(umask -S) 2>/dev/null`; then
		intermediate_mode=$umask_S,u+wx
	      else
		intermediate_mode=$test_mode
	      fi ;;
	  esac
	  mkdir_mode=$intermediate_mode
	fi

	$mkdirprog -m "$mkdir_mode" -p -- "$dstdir"
      }
    then :
    else

      # 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

      case $posix_glob in
        '')
	  if (set -f) 2>/dev/null; then
	    posix_glob=true
	  else
	    posix_glob=false
	  fi ;;
      esac

      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
	    $mkdirprog -m "$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.
	eval "\$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.
    $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 $chmodcmd "$mode" "$dsttmp"; } &&

    # Now 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.
	   {
	     if test -f "$dst"; then
	       $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
	       }
	     else
	       :
	     fi
	   } &&

	   # Now rename the file to the real destination.
	   $doit $mvcmd "$dsttmp" "$dst"
	 }
    } || 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-end: "$"
# End:
Commit	Line	Data
6a161fa9	1	#!/bin/sh
6a161fa9	2	# install - install a program, script, or datafile
8ceafda2	3
53af98ad	4	scriptversion=2006-05-11.20
8ceafda2	5
	6	# This originates from X11R5 (mit/util/scripts/install.sh), which was
	7	# later released in X11R6 (xc/config/util/install.sh) with the
	8	# following copyright and license.
	9	#
	10	# Copyright (C) 1994 X Consortium
	11	#
	12	# Permission is hereby granted, free of charge, to any person obtaining a copy
	13	# of this software and associated documentation files (the "Software"), to
	14	# deal in the Software without restriction, including without limitation the
	15	# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
	16	# sell copies of the Software, and to permit persons to whom the Software is
	17	# furnished to do so, subject to the following conditions:
	18	#
	19	# The above copyright notice and this permission notice shall be included in
	20	# all copies or substantial portions of the Software.
6a161fa9	21	#
8ceafda2	22	# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	23	# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	24	# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
	25	# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
	26	# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
	27	# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
6a161fa9	28	#
8ceafda2	29	# Except as contained in this notice, the name of the X Consortium shall not
	30	# be used in advertising or otherwise to promote the sale, use or other deal-
	31	# ings in this Software without prior written authorization from the X Consor-
	32	# tium.
	33	#
	34	#
	35	# FSF changes to this file are in the public domain.
6a161fa9	36	#
	37	# Calling this script install-sh is preferred over install.sh, to prevent
	38	# `make' implicit rules from creating a file called install from it
	39	# when there is no Makefile.
	40	#
	41	# This script is compatible with the BSD install script, but was written
	42	# from scratch. It can only install one file at a time, a restriction
	43	# shared with many OS's install programs.
	44
53af98ad	45	nl='
	46	'
	47	IFS=" "" $nl"
	48
6a161fa9	49	# set DOITPROG to echo to test this script
	50
	51	# Don't use :- since 4.3BSD and earlier shells don't like it.
	52	doit="${DOITPROG-}"
	53
53af98ad	54	# Put in absolute file names if you don't have them in your path;
53af98ad	55	# or use environment vars.
6a161fa9	56
	57	mvprog="${MVPROG-mv}"
	58	cpprog="${CPPROG-cp}"
	59	chmodprog="${CHMODPROG-chmod}"
	60	chownprog="${CHOWNPROG-chown}"
	61	chgrpprog="${CHGRPPROG-chgrp}"
	62	stripprog="${STRIPPROG-strip}"
	63	rmprog="${RMPROG-rm}"
	64	mkdirprog="${MKDIRPROG-mkdir}"
	65
53af98ad	66	posix_glob=
	67	posix_mkdir=
	68
	69	# Symbolic mode for testing mkdir with directories.
	70	# It is the same as 755, but also tests that "u+" works.
	71	test_mode=u=rwx,g=rx,o=rx,u+wx
	72
	73	# Desired mode of installed file.
	74	mode=0755
	75
	76	# Desired mode of newly created intermediate directories.
	77	# It is empty if not known yet.
	78	intermediate_mode=
	79
	80	chmodcmd=$chmodprog
8ceafda2	81	chowncmd=
	82	chgrpcmd=
	83	stripcmd=
6a161fa9	84	rmcmd="$rmprog -f"
6a161fa9	85	mvcmd="$mvprog"
8ceafda2	86	src=
	87	dst=
	88	dir_arg=
	89	dstarg=
	90	no_target_directory=
	91
	92	usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
	93	or: $0 [OPTION]... SRCFILES... DIRECTORY
	94	or: $0 [OPTION]... -t DIRECTORY SRCFILES...
	95	or: $0 [OPTION]... -d DIRECTORIES...
	96
	97	In the 1st form, copy SRCFILE to DSTFILE.
	98	In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
	99	In the 4th, create DIRECTORIES.
	100
	101	Options:
	102	-c (ignored)
	103	-d create directories instead of installing files.
	104	-g GROUP $chgrpprog installed files to GROUP.
	105	-m MODE $chmodprog installed files to MODE.
	106	-o USER $chownprog installed files to USER.
	107	-s $stripprog installed files.
	108	-t DIRECTORY install into DIRECTORY.
	109	-T report an error if DSTFILE is a directory.
	110	--help display this help and exit.
	111	--version display version info and exit.
	112
	113	Environment variables override the default commands:
	114	CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
	115	"
	116
53af98ad	117	while test $# -ne 0; do
8ceafda2	118	case $1 in
	119	-c) shift
	120	continue;;
	121
	122	-d) dir_arg=true
	123	shift
	124	continue;;
	125
	126	-g) chgrpcmd="$chgrpprog $2"
	127	shift
	128	shift
	129	continue;;
	130
	131	--help) echo "$usage"; exit $?;;
	132
53af98ad	133	-m) mode=$2
8ceafda2	134	shift
	135	shift
	136	continue;;
	137
	138	-o) chowncmd="$chownprog $2"
	139	shift
	140	shift
	141	continue;;
	142
	143	-s) stripcmd=$stripprog
	144	shift
	145	continue;;
	146
	147	-t) dstarg=$2
6a161fa9	148	shift
8ceafda2	149	shift
8ceafda2	150	continue;;
6a161fa9	151
8ceafda2	152	-T) no_target_directory=true
	153	shift
	154	continue;;
	155
	156	--version) echo "$0 $scriptversion"; exit $?;;
	157
53af98ad	158	--) shift
8ceafda2	159	break;;
53af98ad	160
	161	-*) echo "$0: invalid option: $1" >&2
	162	exit 1;;
	163
	164	*) break;;
8ceafda2	165	esac
6a161fa9	166	done
6a161fa9	167
53af98ad	168	if test $# -ne 0 && test -z "$dir_arg$dstarg"; then
	169	# When -d is used, all remaining arguments are directories to create.
	170	# When -t is used, the destination is already specified.
	171	# Otherwise, the last argument is the destination. Remove it from $@.
	172	for arg
	173	do
	174	if test -n "$dstarg"; then
	175	# $@ is not empty: it contains at least $arg.
	176	set fnord "$@" "$dstarg"
	177	shift # fnord
	178	fi
	179	shift # arg
	180	dstarg=$arg
	181	done
	182	fi
	183
	184	if test $# -eq 0; then
8ceafda2	185	if test -z "$dir_arg"; then
	186	echo "$0: no input file specified." >&2
	187	exit 1
	188	fi
	189	# It's OK to call `install-sh -d' without argument.
	190	# This can happen when creating conditional directories.
	191	exit 0
	192	fi
6a161fa9	193
53af98ad	194	test -n "$dir_arg" \|\| trap '(exit $?); exit' 1 2 13 15
53af98ad	195
8ceafda2	196	for src
	197	do
	198	# Protect names starting with `-'.
	199	case $src in
	200	-*) src=./$src ;;
	201	esac
	202
	203	if test -n "$dir_arg"; then
	204	dst=$src
53af98ad	205	dstdir=$dst
	206	test -d "$dstdir"
	207	dstdir_status=$?
8ceafda2	208	else
53af98ad	209
8ceafda2	210	# Waiting for this to be detected by the "$cpprog $src $dsttmp" command
	211	# might cause directories to be created, which would be especially bad
	212	# if $src (and thus $dsttmp) contains '*'.
	213	if test ! -f "$src" && test ! -d "$src"; then
	214	echo "$0: $src does not exist." >&2
	215	exit 1
	216	fi
	217
	218	if test -z "$dstarg"; then
	219	echo "$0: no destination specified." >&2
	220	exit 1
	221	fi
	222
	223	dst=$dstarg
	224	# Protect names starting with `-'.
	225	case $dst in
	226	-*) dst=./$dst ;;
	227	esac
6a161fa9	228
8ceafda2	229	# If destination is a directory, append the input filename; won't work
	230	# if double slashes aren't ignored.
	231	if test -d "$dst"; then
	232	if test -n "$no_target_directory"; then
	233	echo "$0: $dstarg: Is a directory" >&2
	234	exit 1
	235	fi
53af98ad	236	dstdir=$dst
	237	dst=$dstdir/`basename "$src"`
	238	dstdir_status=0
	239	else
	240	# Prefer dirname, but fall back on a substitute if dirname fails.
	241	dstdir=`
	242	(dirname "$dst") 2>/dev/null \|\|
	243	expr X"$dst" : 'X\(.[^/]\)//[^/][^/]/$' \\| \
	244	X"$dst" : 'X\(//\)[^/]' \\| \
	245	X"$dst" : 'X\(//\)$' \\| \
	246	X"$dst" : 'X\(/\)' \\| . 2>/dev/null \|\|
	247	echo X"$dst" \|
	248	sed '/^X\(.[^/]\)\/\/[^/][^/]\/$/{
	249	s//\1/
	250	q
	251	}
	252	/^X\(\/\/\)[^/].*/{
	253	s//\1/
	254	q
	255	}
	256	/^X\(\/\/\)$/{
	257	s//\1/
	258	q
	259	}
	260	/^X\(\/\).*/{
	261	s//\1/
	262	q
	263	}
	264	s/.*/./; q'
	265	`
	266
	267	test -d "$dstdir"
	268	dstdir_status=$?
8ceafda2	269	fi
	270	fi
	271
53af98ad	272	obsolete_mkdir_used=false
	273
	274	if test $dstdir_status != 0; then
	275	case $posix_mkdir in
	276	'')
	277	posix_mkdir=false
	278	if $mkdirprog -m $test_mode -p -- / >/dev/null 2>&1; then
	279	posix_mkdir=true
	280	else
	281	# Remove any dirs left behind by ancient mkdir implementations.
	282	rmdir ./-m "$test_mode" ./-p ./-- 2>/dev/null
	283	fi ;;
	284	esac
8ceafda2	285
53af98ad	286	if
	287	$posix_mkdir && {
	288
	289	# With -d, create the new directory with the user-specified mode.
	290	# Otherwise, create it using the same intermediate mode that
	291	# mkdir -p would use when creating intermediate directories.
	292	# POSIX says that this mode is "$(umask -S),u+wx", so use that
	293	# if umask -S works.
	294
	295	if test -n "$dir_arg"; then
	296	mkdir_mode=$mode
	297	else
	298	case $intermediate_mode in
	299	'')
	300	if umask_S=`(umask -S) 2>/dev/null`; then
	301	intermediate_mode=$umask_S,u+wx
	302	else
	303	intermediate_mode=$test_mode
	304	fi ;;
	305	esac
	306	mkdir_mode=$intermediate_mode
	307	fi
	308
	309	$mkdirprog -m "$mkdir_mode" -p -- "$dstdir"
	310	}
	311	then :
	312	else
8ceafda2	313
53af98ad	314	# mkdir does not conform to POSIX, or it failed possibly due to
	315	# a race condition. Create the directory the slow way, step by
	316	# step, checking for races as we go.
	317
	318	case $dstdir in
	319	/*) prefix=/ ;;
	320	-*) prefix=./ ;;
	321	*) prefix= ;;
	322	esac
	323
	324	case $posix_glob in
	325	'')
	326	if (set -f) 2>/dev/null; then
	327	posix_glob=true
	328	else
	329	posix_glob=false
	330	fi ;;
	331	esac
	332
	333	oIFS=$IFS
	334	IFS=/
	335	$posix_glob && set -f
	336	set fnord $dstdir
	337	shift
	338	$posix_glob && set +f
	339	IFS=$oIFS
	340
	341	prefixes=
	342
	343	for d
	344	do
	345	test -z "$d" && continue
	346
	347	prefix=$prefix$d
	348	if test -d "$prefix"; then
	349	prefixes=
	350	else
	351	if $posix_mkdir; then
	352	$mkdirprog -m "$mkdir_mode" -p -- "$dstdir" && break
	353	# Don't fail if two instances are running concurrently.
	354	test -d "$prefix" \|\| exit 1
	355	else
	356	case $prefix in
	357	\') qprefix=`echo "$prefix" \| sed "s/'/'\\\\\\\\''/g"`;;
	358	*) qprefix=$prefix;;
	359	esac
	360	prefixes="$prefixes '$qprefix'"
	361	fi
	362	fi
	363	prefix=$prefix/
	364	done
	365
	366	if test -n "$prefixes"; then
	367	# Don't fail if two instances are running concurrently.
	368	eval "\$mkdirprog $prefixes" \|\| test -d "$dstdir" \|\| exit 1
	369	obsolete_mkdir_used=true
8ceafda2	370	fi
53af98ad	371	fi
8ceafda2	372	fi
	373
	374	if test -n "$dir_arg"; then
53af98ad	375	{ test -z "$chowncmd" \|\| $doit $chowncmd "$dst"; } &&
	376	{ test -z "$chgrpcmd" \|\| $doit $chgrpcmd "$dst"; } &&
	377	{ test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false \|\|
	378	test -z "$chmodcmd" \|\| $doit $chmodcmd "$mode" "$dst"; } \|\| exit 1
8ceafda2	379	else
8ceafda2	380
	381	# Make a couple of temp file names in the proper directory.
	382	dsttmp=$dstdir/_inst.$$_
	383	rmtmp=$dstdir/_rm.$$_
	384
	385	# Trap to clean up those temp files at exit.
	386	trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
8ceafda2	387
	388	# Copy the file name to the temp name.
	389	$doit $cpprog "$src" "$dsttmp" &&
	390
	391	# and set any options; do chmod last to preserve setuid bits.
	392	#
	393	# If any of these fail, we abort the whole thing. If we want to
	394	# ignore errors from any of these, just make sure not to ignore
	395	# errors from the above "$doit $cpprog $src $dsttmp" command.
	396	#
	397	{ test -z "$chowncmd" \|\| $doit $chowncmd "$dsttmp"; } \
	398	&& { test -z "$chgrpcmd" \|\| $doit $chgrpcmd "$dsttmp"; } \
	399	&& { test -z "$stripcmd" \|\| $doit $stripcmd "$dsttmp"; } \
53af98ad	400	&& { test -z "$chmodcmd" \|\| $doit $chmodcmd "$mode" "$dsttmp"; } &&
8ceafda2	401
8ceafda2	402	# Now rename the file to the real destination.
53af98ad	403	{ $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \
8ceafda2	404	\|\| {
	405	# The rename failed, perhaps because mv can't rename something else
	406	# to itself, or perhaps because mv is so ancient that it does not
	407	# support -f.
	408
	409	# Now remove or move aside any old file at destination location.
	410	# We try this two ways since rm can't unlink itself on some
	411	# systems and the destination file might be busy for other
	412	# reasons. In this case, the final cleanup might fail but the new
	413	# file should still install successfully.
	414	{
53af98ad	415	if test -f "$dst"; then
	416	$doit $rmcmd -f "$dst" 2>/dev/null \
	417	\|\| { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null \
	418	&& { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }; }\
8ceafda2	419	\|\| {
53af98ad	420	echo "$0: cannot unlink or rename $dst" >&2
8ceafda2	421	(exit 1); exit 1
	422	}
	423	else
	424	:
	425	fi
	426	} &&
	427
	428	# Now rename the file to the real destination.
53af98ad	429	$doit $mvcmd "$dsttmp" "$dst"
8ceafda2	430	}
53af98ad	431	} \|\| exit 1
6a161fa9	432
53af98ad	433	trap '' 0
	434	fi
	435	done
8ceafda2	436
	437	# Local variables:
	438	# eval: (add-hook 'write-file-hooks 'time-stamp)
	439	# time-stamp-start: "scriptversion="
	440	# time-stamp-format: "%:y-%02m-%02d.%02H"
	441	# time-stamp-end: "$"
	442	# End: