528 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			528 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
|   | #!/bin/sh | ||
|  | # install - install a program, script, or datafile | ||
|  | 
 | ||
|  | scriptversion=2011-11-20.07; # UTC | ||
|  | 
 | ||
|  | # 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. | ||
|  | 
 | ||
|  | 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-} | ||
|  | if test -z "$doit"; then | ||
|  |   doit_exec=exec | ||
|  | else | ||
|  |   doit_exec=$doit | ||
|  | fi | ||
|  | 
 | ||
|  | # Put in absolute file names if you don't have them in your path; | ||
|  | # or use environment vars. | ||
|  | 
 | ||
|  | chgrpprog=${CHGRPPROG-chgrp} | ||
|  | chmodprog=${CHMODPROG-chmod} | ||
|  | chownprog=${CHOWNPROG-chown} | ||
|  | cmpprog=${CMPPROG-cmp} | ||
|  | cpprog=${CPPROG-cp} | ||
|  | mkdirprog=${MKDIRPROG-mkdir} | ||
|  | mvprog=${MVPROG-mv} | ||
|  | rmprog=${RMPROG-rm} | ||
|  | stripprog=${STRIPPROG-strip} | ||
|  | 
 | ||
|  | posix_glob='?' | ||
|  | initialize_posix_glob=' | ||
|  |   test "$posix_glob" != "?" || { | ||
|  |     if (set -f) 2>/dev/null; then | ||
|  |       posix_glob= | ||
|  |     else | ||
|  |       posix_glob=: | ||
|  |     fi | ||
|  |   } | ||
|  | ' | ||
|  | 
 | ||
|  | posix_mkdir= | ||
|  | 
 | ||
|  | # Desired mode of installed file. | ||
|  | mode=0755 | ||
|  | 
 | ||
|  | chgrpcmd= | ||
|  | chmodcmd=$chmodprog | ||
|  | chowncmd= | ||
|  | mvcmd=$mvprog | ||
|  | rmcmd="$rmprog -f" | ||
|  | stripcmd= | ||
|  | 
 | ||
|  | src= | ||
|  | dst= | ||
|  | dir_arg= | ||
|  | dst_arg= | ||
|  | 
 | ||
|  | copy_on_change=false | ||
|  | 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: | ||
|  |      --help     display this help and exit. | ||
|  |      --version  display version info and exit. | ||
|  | 
 | ||
|  |   -c            (ignored) | ||
|  |   -C            install only if different (preserve the last data modification time) | ||
|  |   -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. | ||
|  | 
 | ||
|  | Environment variables override the default commands: | ||
|  |   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG | ||
|  |   RMPROG STRIPPROG | ||
|  | " | ||
|  | 
 | ||
|  | while test $# -ne 0; do | ||
|  |   case $1 in | ||
|  |     -c) ;; | ||
|  | 
 | ||
|  |     -C) copy_on_change=true;; | ||
|  | 
 | ||
|  |     -d) dir_arg=true;; | ||
|  | 
 | ||
|  |     -g) chgrpcmd="$chgrpprog $2" | ||
|  | 	shift;; | ||
|  | 
 | ||
|  |     --help) echo "$usage"; exit $?;; | ||
|  | 
 | ||
|  |     -m) mode=$2 | ||
|  | 	case $mode in | ||
|  | 	  *' '* | *'	'* | *' | ||
|  | '*	  | *'*'* | *'?'* | *'['*) | ||
|  | 	    echo "$0: invalid mode: $mode" >&2 | ||
|  | 	    exit 1;; | ||
|  | 	esac | ||
|  | 	shift;; | ||
|  | 
 | ||
|  |     -o) chowncmd="$chownprog $2" | ||
|  | 	shift;; | ||
|  | 
 | ||
|  |     -s) stripcmd=$stripprog;; | ||
|  | 
 | ||
|  |     -t) dst_arg=$2 | ||
|  | 	# Protect names problematic for 'test' and other utilities. | ||
|  | 	case $dst_arg in | ||
|  | 	  -* | [=\(\)!]) dst_arg=./$dst_arg;; | ||
|  | 	esac | ||
|  | 	shift;; | ||
|  | 
 | ||
|  |     -T) no_target_directory=true;; | ||
|  | 
 | ||
|  |     --version) echo "$0 $scriptversion"; exit $?;; | ||
|  | 
 | ||
|  |     --)	shift | ||
|  | 	break;; | ||
|  | 
 | ||
|  |     -*)	echo "$0: invalid option: $1" >&2 | ||
|  | 	exit 1;; | ||
|  | 
 | ||
|  |     *)  break;; | ||
|  |   esac | ||
|  |   shift | ||
|  | done | ||
|  | 
 | ||
|  | if test $# -ne 0 && test -z "$dir_arg$dst_arg"; 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 $@. | ||
|  |   for arg | ||
|  |   do | ||
|  |     if test -n "$dst_arg"; then | ||
|  |       # $@ is not empty: it contains at least $arg. | ||
|  |       set fnord "$@" "$dst_arg" | ||
|  |       shift # fnord | ||
|  |     fi | ||
|  |     shift # arg | ||
|  |     dst_arg=$arg | ||
|  |     # Protect names problematic for 'test' and other utilities. | ||
|  |     case $dst_arg in | ||
|  |       -* | [=\(\)!]) dst_arg=./$dst_arg;; | ||
|  |     esac | ||
|  |   done | ||
|  | fi | ||
|  | 
 | ||
|  | if test $# -eq 0; then | ||
|  |   if test -z "$dir_arg"; then | ||
|  |     echo "$0: no input file specified." >&2 | ||
|  |     exit 1 | ||
|  |   fi | ||
|  |   # It's OK to call 'install-sh -d' without argument. | ||
|  |   # This can happen when creating conditional directories. | ||
|  |   exit 0 | ||
|  | fi | ||
|  | 
 | ||
|  | if test -z "$dir_arg"; then | ||
|  |   do_exit='(exit $ret); exit $ret' | ||
|  |   trap "ret=129; $do_exit" 1 | ||
|  |   trap "ret=130; $do_exit" 2 | ||
|  |   trap "ret=141; $do_exit" 13 | ||
|  |   trap "ret=143; $do_exit" 15 | ||
|  | 
 | ||
|  |   # Set umask so as not to create temps with too-generous modes. | ||
|  |   # However, 'strip' requires both read and write access to temps. | ||
|  |   case $mode in | ||
|  |     # Optimize common cases. | ||
|  |     *644) cp_umask=133;; | ||
|  |     *755) cp_umask=22;; | ||
|  | 
 | ||
|  |     *[0-7]) | ||
|  |       if test -z "$stripcmd"; then | ||
|  | 	u_plus_rw= | ||
|  |       else | ||
|  | 	u_plus_rw='% 200' | ||
|  |       fi | ||
|  |       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;; | ||
|  |     *) | ||
|  |       if test -z "$stripcmd"; then | ||
|  | 	u_plus_rw= | ||
|  |       else | ||
|  | 	u_plus_rw=,u+rw | ||
|  |       fi | ||
|  |       cp_umask=$mode$u_plus_rw;; | ||
|  |   esac | ||
|  | fi | ||
|  | 
 | ||
|  | for src | ||
|  | do | ||
|  |   # Protect names problematic for 'test' and other utilities. | ||
|  |   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: $src does not exist." >&2 | ||
|  |       exit 1 | ||
|  |     fi | ||
|  | 
 | ||
|  |     if test -z "$dst_arg"; then | ||
|  |       echo "$0: no destination specified." >&2 | ||
|  |       exit 1 | ||
|  |     fi | ||
|  |     dst=$dst_arg | ||
|  | 
 | ||
|  |     # 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: $dst_arg: Is a directory" >&2 | ||
|  | 	exit 1 | ||
|  |       fi | ||
|  |       dstdir=$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 | ||
|  |       '') | ||
|  | 	# Create intermediate dirs using mode 755 as modified by the umask. | ||
|  | 	# This is like FreeBSD 'install' as of 1997-10-28. | ||
|  | 	umask=`umask` | ||
|  | 	case $stripcmd.$umask in | ||
|  | 	  # Optimize common cases. | ||
|  | 	  *[2367][2367]) mkdir_umask=$umask;; | ||
|  | 	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;; | ||
|  | 
 | ||
|  | 	  *[0-7]) | ||
|  | 	    mkdir_umask=`expr $umask + 22 \ | ||
|  | 	      - $umask % 100 % 40 + $umask % 20 \ | ||
|  | 	      - $umask % 10 % 4 + $umask % 2 | ||
|  | 	    `;; | ||
|  | 	  *) mkdir_umask=$umask,go-w;; | ||
|  | 	esac | ||
|  | 
 | ||
|  | 	# With -d, create the new directory with the user-specified mode. | ||
|  | 	# Otherwise, rely on $mkdir_umask. | ||
|  | 	if test -n "$dir_arg"; then | ||
|  | 	  mkdir_mode=-m$mode | ||
|  | 	else | ||
|  | 	  mkdir_mode= | ||
|  | 	fi | ||
|  | 
 | ||
|  | 	posix_mkdir=false | ||
|  | 	case $umask in | ||
|  | 	  *[123567][0-7][0-7]) | ||
|  | 	    # POSIX mkdir -p sets u+wx bits regardless of umask, which | ||
|  | 	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0. | ||
|  | 	    ;; | ||
|  | 	  *) | ||
|  | 	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$ | ||
|  | 	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0 | ||
|  | 
 | ||
|  | 	    if (umask $mkdir_umask && | ||
|  | 		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1 | ||
|  | 	    then | ||
|  | 	      if test -z "$dir_arg" || { | ||
|  | 		   # Check for POSIX incompatibilities with -m. | ||
|  | 		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or | ||
|  | 		   # other-writable bit of parent directory when it shouldn't. | ||
|  | 		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory. | ||
|  | 		   ls_ld_tmpdir=`ls -ld "$tmpdir"` | ||
|  | 		   case $ls_ld_tmpdir in | ||
|  | 		     d????-?r-*) different_mode=700;; | ||
|  | 		     d????-?--*) different_mode=755;; | ||
|  | 		     *) false;; | ||
|  | 		   esac && | ||
|  | 		   $mkdirprog -m$different_mode -p -- "$tmpdir" && { | ||
|  | 		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"` | ||
|  | 		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1" | ||
|  | 		   } | ||
|  | 		 } | ||
|  | 	      then posix_mkdir=: | ||
|  | 	      fi | ||
|  | 	      rmdir "$tmpdir/d" "$tmpdir" | ||
|  | 	    else | ||
|  | 	      # Remove any dirs left behind by ancient mkdir implementations. | ||
|  | 	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null | ||
|  | 	    fi | ||
|  | 	    trap '' 0;; | ||
|  | 	esac;; | ||
|  |     esac | ||
|  | 
 | ||
|  |     if | ||
|  |       $posix_mkdir && ( | ||
|  | 	umask $mkdir_umask && | ||
|  | 	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir" | ||
|  |       ) | ||
|  |     then : | ||
|  |     else | ||
|  | 
 | ||
|  |       # The umask is ridiculous, or 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 | ||
|  | 
 | ||
|  |       eval "$initialize_posix_glob" | ||
|  | 
 | ||
|  |       oIFS=$IFS | ||
|  |       IFS=/ | ||
|  |       $posix_glob set -f | ||
|  |       set fnord $dstdir | ||
|  |       shift | ||
|  |       $posix_glob set +f | ||
|  |       IFS=$oIFS | ||
|  | 
 | ||
|  |       prefixes= | ||
|  | 
 | ||
|  |       for d | ||
|  |       do | ||
|  | 	test X"$d" = X && continue | ||
|  | 
 | ||
|  | 	prefix=$prefix$d | ||
|  | 	if test -d "$prefix"; then | ||
|  | 	  prefixes= | ||
|  | 	else | ||
|  | 	  if $posix_mkdir; then | ||
|  | 	    (umask=$mkdir_umask && | ||
|  | 	     $doit_exec $mkdirprog $mkdir_mode -p -- "$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. | ||
|  | 	(umask $mkdir_umask && | ||
|  | 	 eval "\$doit_exec \$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. | ||
|  |     (umask $cp_umask && $doit_exec $cpprog "$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"; } && | ||
|  | 
 | ||
|  |     # If -C, don't bother to copy if it wouldn't change the file. | ||
|  |     if $copy_on_change && | ||
|  |        old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` && | ||
|  |        new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` && | ||
|  | 
 | ||
|  |        eval "$initialize_posix_glob" && | ||
|  |        $posix_glob set -f && | ||
|  |        set X $old && old=:$2:$4:$5:$6 && | ||
|  |        set X $new && new=:$2:$4:$5:$6 && | ||
|  |        $posix_glob set +f && | ||
|  | 
 | ||
|  |        test "$old" = "$new" && | ||
|  |        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1 | ||
|  |     then | ||
|  |       rm -f "$dsttmp" | ||
|  |     else | ||
|  |       # Rename the file to the real destination. | ||
|  |       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null || | ||
|  | 
 | ||
|  |       # The rename failed, perhaps because mv can't rename something else | ||
|  |       # to itself, or perhaps because mv is so ancient that it does not | ||
|  |       # support -f. | ||
|  |       { | ||
|  | 	# Now remove or move aside any old file at destination location. | ||
|  | 	# We try this two ways since rm can't unlink itself on some | ||
|  | 	# systems and the destination file might be busy for other | ||
|  | 	# reasons.  In this case, the final cleanup might fail but the new | ||
|  | 	# file should still install successfully. | ||
|  | 	{ | ||
|  | 	  test ! -f "$dst" || | ||
|  | 	  $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 | ||
|  | 	  } | ||
|  | 	} && | ||
|  | 
 | ||
|  | 	# Now rename the file to the real destination. | ||
|  | 	$doit $mvcmd "$dsttmp" "$dst" | ||
|  |       } | ||
|  |     fi || 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-time-zone: "UTC" | ||
|  | # time-stamp-end: "; # UTC" | ||
|  | # End: |