install-sh revision eed6fe1c
167332fb9Smrg#!/bin/sh
267332fb9Smrg# install - install a program, script, or datafile
3eed6fe1cSmrg
4eed6fe1cSmrgscriptversion=2009-04-28.21; # UTC
5eed6fe1cSmrg
667332fb9Smrg# This originates from X11R5 (mit/util/scripts/install.sh), which was
767332fb9Smrg# later released in X11R6 (xc/config/util/install.sh) with the
867332fb9Smrg# following copyright and license.
967332fb9Smrg#
1067332fb9Smrg# Copyright (C) 1994 X Consortium
1167332fb9Smrg#
1267332fb9Smrg# Permission is hereby granted, free of charge, to any person obtaining a copy
1367332fb9Smrg# of this software and associated documentation files (the "Software"), to
1467332fb9Smrg# deal in the Software without restriction, including without limitation the
1567332fb9Smrg# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
1667332fb9Smrg# sell copies of the Software, and to permit persons to whom the Software is
1767332fb9Smrg# furnished to do so, subject to the following conditions:
1867332fb9Smrg#
1967332fb9Smrg# The above copyright notice and this permission notice shall be included in
2067332fb9Smrg# all copies or substantial portions of the Software.
2167332fb9Smrg#
2267332fb9Smrg# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
2367332fb9Smrg# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
2467332fb9Smrg# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
2567332fb9Smrg# X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
2667332fb9Smrg# AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
2767332fb9Smrg# TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
2867332fb9Smrg#
2967332fb9Smrg# Except as contained in this notice, the name of the X Consortium shall not
3067332fb9Smrg# be used in advertising or otherwise to promote the sale, use or other deal-
3167332fb9Smrg# ings in this Software without prior written authorization from the X Consor-
3267332fb9Smrg# tium.
3367332fb9Smrg#
3467332fb9Smrg#
3567332fb9Smrg# FSF changes to this file are in the public domain.
3667332fb9Smrg#
3767332fb9Smrg# Calling this script install-sh is preferred over install.sh, to prevent
3867332fb9Smrg# `make' implicit rules from creating a file called install from it
3967332fb9Smrg# when there is no Makefile.
4067332fb9Smrg#
4167332fb9Smrg# This script is compatible with the BSD install script, but was written
42eed6fe1cSmrg# from scratch.
4367332fb9Smrg
44eed6fe1cSmrgnl='
45eed6fe1cSmrg'
46eed6fe1cSmrgIFS=" ""	$nl"
4767332fb9Smrg
4867332fb9Smrg# set DOITPROG to echo to test this script
4967332fb9Smrg
5067332fb9Smrg# Don't use :- since 4.3BSD and earlier shells don't like it.
51eed6fe1cSmrgdoit=${DOITPROG-}
52eed6fe1cSmrgif test -z "$doit"; then
53eed6fe1cSmrg  doit_exec=exec
5467332fb9Smrgelse
55eed6fe1cSmrg  doit_exec=$doit
5667332fb9Smrgfi
5767332fb9Smrg
58eed6fe1cSmrg# Put in absolute file names if you don't have them in your path;
59eed6fe1cSmrg# or use environment vars.
60eed6fe1cSmrg
61eed6fe1cSmrgchgrpprog=${CHGRPPROG-chgrp}
62eed6fe1cSmrgchmodprog=${CHMODPROG-chmod}
63eed6fe1cSmrgchownprog=${CHOWNPROG-chown}
64eed6fe1cSmrgcmpprog=${CMPPROG-cmp}
65eed6fe1cSmrgcpprog=${CPPROG-cp}
66eed6fe1cSmrgmkdirprog=${MKDIRPROG-mkdir}
67eed6fe1cSmrgmvprog=${MVPROG-mv}
68eed6fe1cSmrgrmprog=${RMPROG-rm}
69eed6fe1cSmrgstripprog=${STRIPPROG-strip}
70eed6fe1cSmrg
71eed6fe1cSmrgposix_glob='?'
72eed6fe1cSmrginitialize_posix_glob='
73eed6fe1cSmrg  test "$posix_glob" != "?" || {
74eed6fe1cSmrg    if (set -f) 2>/dev/null; then
75eed6fe1cSmrg      posix_glob=
76eed6fe1cSmrg    else
77eed6fe1cSmrg      posix_glob=:
78eed6fe1cSmrg    fi
79eed6fe1cSmrg  }
80eed6fe1cSmrg'
81eed6fe1cSmrg
82eed6fe1cSmrgposix_mkdir=
83eed6fe1cSmrg
84eed6fe1cSmrg# Desired mode of installed file.
85eed6fe1cSmrgmode=0755
86eed6fe1cSmrg
87eed6fe1cSmrgchgrpcmd=
88eed6fe1cSmrgchmodcmd=$chmodprog
89eed6fe1cSmrgchowncmd=
90eed6fe1cSmrgmvcmd=$mvprog
91eed6fe1cSmrgrmcmd="$rmprog -f"
92eed6fe1cSmrgstripcmd=
9367332fb9Smrg
94eed6fe1cSmrgsrc=
95eed6fe1cSmrgdst=
96eed6fe1cSmrgdir_arg=
97eed6fe1cSmrgdst_arg=
9867332fb9Smrg
99eed6fe1cSmrgcopy_on_change=false
100eed6fe1cSmrgno_target_directory=
10167332fb9Smrg
102eed6fe1cSmrgusage="\
103eed6fe1cSmrgUsage: $0 [OPTION]... [-T] SRCFILE DSTFILE
104eed6fe1cSmrg   or: $0 [OPTION]... SRCFILES... DIRECTORY
105eed6fe1cSmrg   or: $0 [OPTION]... -t DIRECTORY SRCFILES...
106eed6fe1cSmrg   or: $0 [OPTION]... -d DIRECTORIES...
10767332fb9Smrg
108eed6fe1cSmrgIn the 1st form, copy SRCFILE to DSTFILE.
109eed6fe1cSmrgIn the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
110eed6fe1cSmrgIn the 4th, create DIRECTORIES.
11167332fb9Smrg
112eed6fe1cSmrgOptions:
113eed6fe1cSmrg     --help     display this help and exit.
114eed6fe1cSmrg     --version  display version info and exit.
11567332fb9Smrg
116eed6fe1cSmrg  -c            (ignored)
117eed6fe1cSmrg  -C            install only if different (preserve the last data modification time)
118eed6fe1cSmrg  -d            create directories instead of installing files.
119eed6fe1cSmrg  -g GROUP      $chgrpprog installed files to GROUP.
120eed6fe1cSmrg  -m MODE       $chmodprog installed files to MODE.
121eed6fe1cSmrg  -o USER       $chownprog installed files to USER.
122eed6fe1cSmrg  -s            $stripprog installed files.
123eed6fe1cSmrg  -t DIRECTORY  install into DIRECTORY.
124eed6fe1cSmrg  -T            report an error if DSTFILE is a directory.
12567332fb9Smrg
126eed6fe1cSmrgEnvironment variables override the default commands:
127eed6fe1cSmrg  CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
128eed6fe1cSmrg  RMPROG STRIPPROG
129eed6fe1cSmrg"
13067332fb9Smrg
131eed6fe1cSmrgwhile test $# -ne 0; do
132eed6fe1cSmrg  case $1 in
133eed6fe1cSmrg    -c) ;;
13467332fb9Smrg
135eed6fe1cSmrg    -C) copy_on_change=true;;
13667332fb9Smrg
137eed6fe1cSmrg    -d) dir_arg=true;;
13867332fb9Smrg
139eed6fe1cSmrg    -g) chgrpcmd="$chgrpprog $2"
140eed6fe1cSmrg	shift;;
14167332fb9Smrg
142eed6fe1cSmrg    --help) echo "$usage"; exit $?;;
14367332fb9Smrg
144eed6fe1cSmrg    -m) mode=$2
145eed6fe1cSmrg	case $mode in
146eed6fe1cSmrg	  *' '* | *'	'* | *'
147eed6fe1cSmrg'*	  | *'*'* | *'?'* | *'['*)
148eed6fe1cSmrg	    echo "$0: invalid mode: $mode" >&2
149eed6fe1cSmrg	    exit 1;;
150eed6fe1cSmrg	esac
151eed6fe1cSmrg	shift;;
15267332fb9Smrg
153eed6fe1cSmrg    -o) chowncmd="$chownprog $2"
154eed6fe1cSmrg	shift;;
15567332fb9Smrg
156eed6fe1cSmrg    -s) stripcmd=$stripprog;;
15767332fb9Smrg
158eed6fe1cSmrg    -t) dst_arg=$2
159eed6fe1cSmrg	shift;;
16067332fb9Smrg
161eed6fe1cSmrg    -T) no_target_directory=true;;
16267332fb9Smrg
163eed6fe1cSmrg    --version) echo "$0 $scriptversion"; exit $?;;
16467332fb9Smrg
165eed6fe1cSmrg    --)	shift
166eed6fe1cSmrg	break;;
16767332fb9Smrg
168eed6fe1cSmrg    -*)	echo "$0: invalid option: $1" >&2
169eed6fe1cSmrg	exit 1;;
17067332fb9Smrg
171eed6fe1cSmrg    *)  break;;
172eed6fe1cSmrg  esac
173eed6fe1cSmrg  shift
174eed6fe1cSmrgdone
17567332fb9Smrg
176eed6fe1cSmrgif test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
177eed6fe1cSmrg  # When -d is used, all remaining arguments are directories to create.
178eed6fe1cSmrg  # When -t is used, the destination is already specified.
179eed6fe1cSmrg  # Otherwise, the last argument is the destination.  Remove it from $@.
180eed6fe1cSmrg  for arg
181eed6fe1cSmrg  do
182eed6fe1cSmrg    if test -n "$dst_arg"; then
183eed6fe1cSmrg      # $@ is not empty: it contains at least $arg.
184eed6fe1cSmrg      set fnord "$@" "$dst_arg"
185eed6fe1cSmrg      shift # fnord
186eed6fe1cSmrg    fi
187eed6fe1cSmrg    shift # arg
188eed6fe1cSmrg    dst_arg=$arg
189eed6fe1cSmrg  done
190eed6fe1cSmrgfi
19167332fb9Smrg
192eed6fe1cSmrgif test $# -eq 0; then
193eed6fe1cSmrg  if test -z "$dir_arg"; then
194eed6fe1cSmrg    echo "$0: no input file specified." >&2
195eed6fe1cSmrg    exit 1
196eed6fe1cSmrg  fi
197eed6fe1cSmrg  # It's OK to call `install-sh -d' without argument.
198eed6fe1cSmrg  # This can happen when creating conditional directories.
199eed6fe1cSmrg  exit 0
200eed6fe1cSmrgfi
20167332fb9Smrg
202eed6fe1cSmrgif test -z "$dir_arg"; then
203eed6fe1cSmrg  trap '(exit $?); exit' 1 2 13 15
204eed6fe1cSmrg
205eed6fe1cSmrg  # Set umask so as not to create temps with too-generous modes.
206eed6fe1cSmrg  # However, 'strip' requires both read and write access to temps.
207eed6fe1cSmrg  case $mode in
208eed6fe1cSmrg    # Optimize common cases.
209eed6fe1cSmrg    *644) cp_umask=133;;
210eed6fe1cSmrg    *755) cp_umask=22;;
211eed6fe1cSmrg
212eed6fe1cSmrg    *[0-7])
213eed6fe1cSmrg      if test -z "$stripcmd"; then
214eed6fe1cSmrg	u_plus_rw=
215eed6fe1cSmrg      else
216eed6fe1cSmrg	u_plus_rw='% 200'
217eed6fe1cSmrg      fi
218eed6fe1cSmrg      cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
219eed6fe1cSmrg    *)
220eed6fe1cSmrg      if test -z "$stripcmd"; then
221eed6fe1cSmrg	u_plus_rw=
222eed6fe1cSmrg      else
223eed6fe1cSmrg	u_plus_rw=,u+rw
224eed6fe1cSmrg      fi
225eed6fe1cSmrg      cp_umask=$mode$u_plus_rw;;
226eed6fe1cSmrg  esac
227eed6fe1cSmrgfi
22867332fb9Smrg
229eed6fe1cSmrgfor src
230eed6fe1cSmrgdo
231eed6fe1cSmrg  # Protect names starting with `-'.
232eed6fe1cSmrg  case $src in
233eed6fe1cSmrg    -*) src=./$src;;
234eed6fe1cSmrg  esac
235eed6fe1cSmrg
236eed6fe1cSmrg  if test -n "$dir_arg"; then
237eed6fe1cSmrg    dst=$src
238eed6fe1cSmrg    dstdir=$dst
239eed6fe1cSmrg    test -d "$dstdir"
240eed6fe1cSmrg    dstdir_status=$?
241eed6fe1cSmrg  else
242eed6fe1cSmrg
243eed6fe1cSmrg    # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
244eed6fe1cSmrg    # might cause directories to be created, which would be especially bad
245eed6fe1cSmrg    # if $src (and thus $dsttmp) contains '*'.
246eed6fe1cSmrg    if test ! -f "$src" && test ! -d "$src"; then
247eed6fe1cSmrg      echo "$0: $src does not exist." >&2
248eed6fe1cSmrg      exit 1
249eed6fe1cSmrg    fi
250eed6fe1cSmrg
251eed6fe1cSmrg    if test -z "$dst_arg"; then
252eed6fe1cSmrg      echo "$0: no destination specified." >&2
253eed6fe1cSmrg      exit 1
254eed6fe1cSmrg    fi
255eed6fe1cSmrg
256eed6fe1cSmrg    dst=$dst_arg
257eed6fe1cSmrg    # Protect names starting with `-'.
258eed6fe1cSmrg    case $dst in
259eed6fe1cSmrg      -*) dst=./$dst;;
260eed6fe1cSmrg    esac
26167332fb9Smrg
262eed6fe1cSmrg    # If destination is a directory, append the input filename; won't work
263eed6fe1cSmrg    # if double slashes aren't ignored.
264eed6fe1cSmrg    if test -d "$dst"; then
265eed6fe1cSmrg      if test -n "$no_target_directory"; then
266eed6fe1cSmrg	echo "$0: $dst_arg: Is a directory" >&2
267eed6fe1cSmrg	exit 1
268eed6fe1cSmrg      fi
269eed6fe1cSmrg      dstdir=$dst
270eed6fe1cSmrg      dst=$dstdir/`basename "$src"`
271eed6fe1cSmrg      dstdir_status=0
272eed6fe1cSmrg    else
273eed6fe1cSmrg      # Prefer dirname, but fall back on a substitute if dirname fails.
274eed6fe1cSmrg      dstdir=`
275eed6fe1cSmrg	(dirname "$dst") 2>/dev/null ||
276eed6fe1cSmrg	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
277eed6fe1cSmrg	     X"$dst" : 'X\(//\)[^/]' \| \
278eed6fe1cSmrg	     X"$dst" : 'X\(//\)$' \| \
279eed6fe1cSmrg	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
280eed6fe1cSmrg	echo X"$dst" |
281eed6fe1cSmrg	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
282eed6fe1cSmrg		   s//\1/
283eed6fe1cSmrg		   q
284eed6fe1cSmrg		 }
285eed6fe1cSmrg		 /^X\(\/\/\)[^/].*/{
286eed6fe1cSmrg		   s//\1/
287eed6fe1cSmrg		   q
288eed6fe1cSmrg		 }
289eed6fe1cSmrg		 /^X\(\/\/\)$/{
290eed6fe1cSmrg		   s//\1/
291eed6fe1cSmrg		   q
292eed6fe1cSmrg		 }
293eed6fe1cSmrg		 /^X\(\/\).*/{
294eed6fe1cSmrg		   s//\1/
295eed6fe1cSmrg		   q
296eed6fe1cSmrg		 }
297eed6fe1cSmrg		 s/.*/./; q'
298eed6fe1cSmrg      `
299eed6fe1cSmrg
300eed6fe1cSmrg      test -d "$dstdir"
301eed6fe1cSmrg      dstdir_status=$?
302eed6fe1cSmrg    fi
303eed6fe1cSmrg  fi
304eed6fe1cSmrg
305eed6fe1cSmrg  obsolete_mkdir_used=false
306eed6fe1cSmrg
307eed6fe1cSmrg  if test $dstdir_status != 0; then
308eed6fe1cSmrg    case $posix_mkdir in
309eed6fe1cSmrg      '')
310eed6fe1cSmrg	# Create intermediate dirs using mode 755 as modified by the umask.
311eed6fe1cSmrg	# This is like FreeBSD 'install' as of 1997-10-28.
312eed6fe1cSmrg	umask=`umask`
313eed6fe1cSmrg	case $stripcmd.$umask in
314eed6fe1cSmrg	  # Optimize common cases.
315eed6fe1cSmrg	  *[2367][2367]) mkdir_umask=$umask;;
316eed6fe1cSmrg	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
317eed6fe1cSmrg
318eed6fe1cSmrg	  *[0-7])
319eed6fe1cSmrg	    mkdir_umask=`expr $umask + 22 \
320eed6fe1cSmrg	      - $umask % 100 % 40 + $umask % 20 \
321eed6fe1cSmrg	      - $umask % 10 % 4 + $umask % 2
322eed6fe1cSmrg	    `;;
323eed6fe1cSmrg	  *) mkdir_umask=$umask,go-w;;
324eed6fe1cSmrg	esac
325eed6fe1cSmrg
326eed6fe1cSmrg	# With -d, create the new directory with the user-specified mode.
327eed6fe1cSmrg	# Otherwise, rely on $mkdir_umask.
328eed6fe1cSmrg	if test -n "$dir_arg"; then
329eed6fe1cSmrg	  mkdir_mode=-m$mode
33067332fb9Smrg	else
331eed6fe1cSmrg	  mkdir_mode=
33267332fb9Smrg	fi
33367332fb9Smrg
334eed6fe1cSmrg	posix_mkdir=false
335eed6fe1cSmrg	case $umask in
336eed6fe1cSmrg	  *[123567][0-7][0-7])
337eed6fe1cSmrg	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
338eed6fe1cSmrg	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
339eed6fe1cSmrg	    ;;
340eed6fe1cSmrg	  *)
341eed6fe1cSmrg	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
342eed6fe1cSmrg	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
343eed6fe1cSmrg
344eed6fe1cSmrg	    if (umask $mkdir_umask &&
345eed6fe1cSmrg		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
346eed6fe1cSmrg	    then
347eed6fe1cSmrg	      if test -z "$dir_arg" || {
348eed6fe1cSmrg		   # Check for POSIX incompatibilities with -m.
349eed6fe1cSmrg		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
350eed6fe1cSmrg		   # other-writeable bit of parent directory when it shouldn't.
351eed6fe1cSmrg		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
352eed6fe1cSmrg		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
353eed6fe1cSmrg		   case $ls_ld_tmpdir in
354eed6fe1cSmrg		     d????-?r-*) different_mode=700;;
355eed6fe1cSmrg		     d????-?--*) different_mode=755;;
356eed6fe1cSmrg		     *) false;;
357eed6fe1cSmrg		   esac &&
358eed6fe1cSmrg		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
359eed6fe1cSmrg		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
360eed6fe1cSmrg		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
361eed6fe1cSmrg		   }
362eed6fe1cSmrg		 }
363eed6fe1cSmrg	      then posix_mkdir=:
364eed6fe1cSmrg	      fi
365eed6fe1cSmrg	      rmdir "$tmpdir/d" "$tmpdir"
366eed6fe1cSmrg	    else
367eed6fe1cSmrg	      # Remove any dirs left behind by ancient mkdir implementations.
368eed6fe1cSmrg	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
369eed6fe1cSmrg	    fi
370eed6fe1cSmrg	    trap '' 0;;
371eed6fe1cSmrg	esac;;
372eed6fe1cSmrg    esac
37367332fb9Smrg
374eed6fe1cSmrg    if
375eed6fe1cSmrg      $posix_mkdir && (
376eed6fe1cSmrg	umask $mkdir_umask &&
377eed6fe1cSmrg	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
378eed6fe1cSmrg      )
379eed6fe1cSmrg    then :
380eed6fe1cSmrg    else
381eed6fe1cSmrg
382eed6fe1cSmrg      # The umask is ridiculous, or mkdir does not conform to POSIX,
383eed6fe1cSmrg      # or it failed possibly due to a race condition.  Create the
384eed6fe1cSmrg      # directory the slow way, step by step, checking for races as we go.
385eed6fe1cSmrg
386eed6fe1cSmrg      case $dstdir in
387eed6fe1cSmrg	/*) prefix='/';;
388eed6fe1cSmrg	-*) prefix='./';;
389eed6fe1cSmrg	*)  prefix='';;
390eed6fe1cSmrg      esac
391eed6fe1cSmrg
392eed6fe1cSmrg      eval "$initialize_posix_glob"
393eed6fe1cSmrg
394eed6fe1cSmrg      oIFS=$IFS
395eed6fe1cSmrg      IFS=/
396eed6fe1cSmrg      $posix_glob set -f
397eed6fe1cSmrg      set fnord $dstdir
398eed6fe1cSmrg      shift
399eed6fe1cSmrg      $posix_glob set +f
400eed6fe1cSmrg      IFS=$oIFS
401eed6fe1cSmrg
402eed6fe1cSmrg      prefixes=
403eed6fe1cSmrg
404eed6fe1cSmrg      for d
405eed6fe1cSmrg      do
406eed6fe1cSmrg	test -z "$d" && continue
407eed6fe1cSmrg
408eed6fe1cSmrg	prefix=$prefix$d
409eed6fe1cSmrg	if test -d "$prefix"; then
410eed6fe1cSmrg	  prefixes=
411eed6fe1cSmrg	else
412eed6fe1cSmrg	  if $posix_mkdir; then
413eed6fe1cSmrg	    (umask=$mkdir_umask &&
414eed6fe1cSmrg	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
415eed6fe1cSmrg	    # Don't fail if two instances are running concurrently.
416eed6fe1cSmrg	    test -d "$prefix" || exit 1
417eed6fe1cSmrg	  else
418eed6fe1cSmrg	    case $prefix in
419eed6fe1cSmrg	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
420eed6fe1cSmrg	      *) qprefix=$prefix;;
421eed6fe1cSmrg	    esac
422eed6fe1cSmrg	    prefixes="$prefixes '$qprefix'"
423eed6fe1cSmrg	  fi
424eed6fe1cSmrg	fi
425eed6fe1cSmrg	prefix=$prefix/
426eed6fe1cSmrg      done
427eed6fe1cSmrg
428eed6fe1cSmrg      if test -n "$prefixes"; then
429eed6fe1cSmrg	# Don't fail if two instances are running concurrently.
430eed6fe1cSmrg	(umask $mkdir_umask &&
431eed6fe1cSmrg	 eval "\$doit_exec \$mkdirprog $prefixes") ||
432eed6fe1cSmrg	  test -d "$dstdir" || exit 1
433eed6fe1cSmrg	obsolete_mkdir_used=true
434eed6fe1cSmrg      fi
435eed6fe1cSmrg    fi
436eed6fe1cSmrg  fi
437eed6fe1cSmrg
438eed6fe1cSmrg  if test -n "$dir_arg"; then
439eed6fe1cSmrg    { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
440eed6fe1cSmrg    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
441eed6fe1cSmrg    { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
442eed6fe1cSmrg      test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
443eed6fe1cSmrg  else
444eed6fe1cSmrg
445eed6fe1cSmrg    # Make a couple of temp file names in the proper directory.
446eed6fe1cSmrg    dsttmp=$dstdir/_inst.$$_
447eed6fe1cSmrg    rmtmp=$dstdir/_rm.$$_
448eed6fe1cSmrg
449eed6fe1cSmrg    # Trap to clean up those temp files at exit.
450eed6fe1cSmrg    trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
451eed6fe1cSmrg
452eed6fe1cSmrg    # Copy the file name to the temp name.
453eed6fe1cSmrg    (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
454eed6fe1cSmrg
455eed6fe1cSmrg    # and set any options; do chmod last to preserve setuid bits.
456eed6fe1cSmrg    #
457eed6fe1cSmrg    # If any of these fail, we abort the whole thing.  If we want to
458eed6fe1cSmrg    # ignore errors from any of these, just make sure not to ignore
459eed6fe1cSmrg    # errors from the above "$doit $cpprog $src $dsttmp" command.
460eed6fe1cSmrg    #
461eed6fe1cSmrg    { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
462eed6fe1cSmrg    { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
463eed6fe1cSmrg    { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
464eed6fe1cSmrg    { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
465eed6fe1cSmrg
466eed6fe1cSmrg    # If -C, don't bother to copy if it wouldn't change the file.
467eed6fe1cSmrg    if $copy_on_change &&
468eed6fe1cSmrg       old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
469eed6fe1cSmrg       new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
470eed6fe1cSmrg
471eed6fe1cSmrg       eval "$initialize_posix_glob" &&
472eed6fe1cSmrg       $posix_glob set -f &&
473eed6fe1cSmrg       set X $old && old=:$2:$4:$5:$6 &&
474eed6fe1cSmrg       set X $new && new=:$2:$4:$5:$6 &&
475eed6fe1cSmrg       $posix_glob set +f &&
476eed6fe1cSmrg
477eed6fe1cSmrg       test "$old" = "$new" &&
478eed6fe1cSmrg       $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
479eed6fe1cSmrg    then
480eed6fe1cSmrg      rm -f "$dsttmp"
481eed6fe1cSmrg    else
482eed6fe1cSmrg      # Rename the file to the real destination.
483eed6fe1cSmrg      $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
484eed6fe1cSmrg
485eed6fe1cSmrg      # The rename failed, perhaps because mv can't rename something else
486eed6fe1cSmrg      # to itself, or perhaps because mv is so ancient that it does not
487eed6fe1cSmrg      # support -f.
488eed6fe1cSmrg      {
489eed6fe1cSmrg	# Now remove or move aside any old file at destination location.
490eed6fe1cSmrg	# We try this two ways since rm can't unlink itself on some
491eed6fe1cSmrg	# systems and the destination file might be busy for other
492eed6fe1cSmrg	# reasons.  In this case, the final cleanup might fail but the new
493eed6fe1cSmrg	# file should still install successfully.
494eed6fe1cSmrg	{
495eed6fe1cSmrg	  test ! -f "$dst" ||
496eed6fe1cSmrg	  $doit $rmcmd -f "$dst" 2>/dev/null ||
497eed6fe1cSmrg	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
498eed6fe1cSmrg	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
499eed6fe1cSmrg	  } ||
500eed6fe1cSmrg	  { echo "$0: cannot unlink or rename $dst" >&2
501eed6fe1cSmrg	    (exit 1); exit 1
502eed6fe1cSmrg	  }
503eed6fe1cSmrg	} &&
504eed6fe1cSmrg
505eed6fe1cSmrg	# Now rename the file to the real destination.
506eed6fe1cSmrg	$doit $mvcmd "$dsttmp" "$dst"
507eed6fe1cSmrg      }
508eed6fe1cSmrg    fi || exit 1
509eed6fe1cSmrg
510eed6fe1cSmrg    trap '' 0
511eed6fe1cSmrg  fi
512eed6fe1cSmrgdone
51367332fb9Smrg
514eed6fe1cSmrg# Local variables:
515eed6fe1cSmrg# eval: (add-hook 'write-file-hooks 'time-stamp)
516eed6fe1cSmrg# time-stamp-start: "scriptversion="
517eed6fe1cSmrg# time-stamp-format: "%:y-%02m-%02d.%02H"
518eed6fe1cSmrg# time-stamp-time-zone: "UTC"
519eed6fe1cSmrg# time-stamp-end: "; # UTC"
520eed6fe1cSmrg# End:
521