scripts/install-sh
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Wed Oct 02 20:06:18 2013 +0200 (2013-10-02)
branch1.19
changeset 3236 b83e6d31adba
permissions -rwxr-xr-x
1.19: create maintenance branch, update version to 1.19.0

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
     1 #!/bin/sh
     2 # install - install a program, script, or datafile
     3 
     4 scriptversion=2009-04-28.21; # UTC
     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.
    21 #
    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.
    28 #
    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.
    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.
    43 
    44 nl='
    45 '
    46 IFS=" ""	$nl"
    47 
    48 # set DOITPROG to echo to test this script
    49 
    50 # Don't use :- since 4.3BSD and earlier shells don't like it.
    51 doit=${DOITPROG-}
    52 if test -z "$doit"; then
    53   doit_exec=exec
    54 else
    55   doit_exec=$doit
    56 fi
    57 
    58 # Put in absolute file names if you don't have them in your path;
    59 # or use environment vars.
    60 
    61 chgrpprog=${CHGRPPROG-chgrp}
    62 chmodprog=${CHMODPROG-chmod}
    63 chownprog=${CHOWNPROG-chown}
    64 cmpprog=${CMPPROG-cmp}
    65 cpprog=${CPPROG-cp}
    66 mkdirprog=${MKDIRPROG-mkdir}
    67 mvprog=${MVPROG-mv}
    68 rmprog=${RMPROG-rm}
    69 stripprog=${STRIPPROG-strip}
    70 
    71 posix_glob='?'
    72 initialize_posix_glob='
    73   test "$posix_glob" != "?" || {
    74     if (set -f) 2>/dev/null; then
    75       posix_glob=
    76     else
    77       posix_glob=:
    78     fi
    79   }
    80 '
    81 
    82 posix_mkdir=
    83 
    84 # Desired mode of installed file.
    85 mode=0755
    86 
    87 chgrpcmd=
    88 chmodcmd=$chmodprog
    89 chowncmd=
    90 mvcmd=$mvprog
    91 rmcmd="$rmprog -f"
    92 stripcmd=
    93 
    94 src=
    95 dst=
    96 dir_arg=
    97 dst_arg=
    98 
    99 copy_on_change=false
   100 no_target_directory=
   101 
   102 usage="\
   103 Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
   104    or: $0 [OPTION]... SRCFILES... DIRECTORY
   105    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
   106    or: $0 [OPTION]... -d DIRECTORIES...
   107 
   108 In the 1st form, copy SRCFILE to DSTFILE.
   109 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
   110 In the 4th, create DIRECTORIES.
   111 
   112 Options:
   113      --help     display this help and exit.
   114      --version  display version info and exit.
   115 
   116   -c            (ignored)
   117   -C            install only if different (preserve the last data modification time)
   118   -d            create directories instead of installing files.
   119   -g GROUP      $chgrpprog installed files to GROUP.
   120   -m MODE       $chmodprog installed files to MODE.
   121   -o USER       $chownprog installed files to USER.
   122   -s            $stripprog installed files.
   123   -t DIRECTORY  install into DIRECTORY.
   124   -T            report an error if DSTFILE is a directory.
   125 
   126 Environment variables override the default commands:
   127   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
   128   RMPROG STRIPPROG
   129 "
   130 
   131 while test $# -ne 0; do
   132   case $1 in
   133     -c) ;;
   134 
   135     -C) copy_on_change=true;;
   136 
   137     -d) dir_arg=true;;
   138 
   139     -g) chgrpcmd="$chgrpprog $2"
   140 	shift;;
   141 
   142     --help) echo "$usage"; exit $?;;
   143 
   144     -m) mode=$2
   145 	case $mode in
   146 	  *' '* | *'	'* | *'
   147 '*	  | *'*'* | *'?'* | *'['*)
   148 	    echo "$0: invalid mode: $mode" >&2
   149 	    exit 1;;
   150 	esac
   151 	shift;;
   152 
   153     -o) chowncmd="$chownprog $2"
   154 	shift;;
   155 
   156     -s) stripcmd=$stripprog;;
   157 
   158     -t) dst_arg=$2
   159 	shift;;
   160 
   161     -T) no_target_directory=true;;
   162 
   163     --version) echo "$0 $scriptversion"; exit $?;;
   164 
   165     --)	shift
   166 	break;;
   167 
   168     -*)	echo "$0: invalid option: $1" >&2
   169 	exit 1;;
   170 
   171     *)  break;;
   172   esac
   173   shift
   174 done
   175 
   176 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
   177   # When -d is used, all remaining arguments are directories to create.
   178   # When -t is used, the destination is already specified.
   179   # Otherwise, the last argument is the destination.  Remove it from $@.
   180   for arg
   181   do
   182     if test -n "$dst_arg"; then
   183       # $@ is not empty: it contains at least $arg.
   184       set fnord "$@" "$dst_arg"
   185       shift # fnord
   186     fi
   187     shift # arg
   188     dst_arg=$arg
   189   done
   190 fi
   191 
   192 if test $# -eq 0; then
   193   if test -z "$dir_arg"; then
   194     echo "$0: no input file specified." >&2
   195     exit 1
   196   fi
   197   # It's OK to call `install-sh -d' without argument.
   198   # This can happen when creating conditional directories.
   199   exit 0
   200 fi
   201 
   202 if test -z "$dir_arg"; then
   203   trap '(exit $?); exit' 1 2 13 15
   204 
   205   # Set umask so as not to create temps with too-generous modes.
   206   # However, 'strip' requires both read and write access to temps.
   207   case $mode in
   208     # Optimize common cases.
   209     *644) cp_umask=133;;
   210     *755) cp_umask=22;;
   211 
   212     *[0-7])
   213       if test -z "$stripcmd"; then
   214 	u_plus_rw=
   215       else
   216 	u_plus_rw='% 200'
   217       fi
   218       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
   219     *)
   220       if test -z "$stripcmd"; then
   221 	u_plus_rw=
   222       else
   223 	u_plus_rw=,u+rw
   224       fi
   225       cp_umask=$mode$u_plus_rw;;
   226   esac
   227 fi
   228 
   229 for src
   230 do
   231   # Protect names starting with `-'.
   232   case $src in
   233     -*) src=./$src;;
   234   esac
   235 
   236   if test -n "$dir_arg"; then
   237     dst=$src
   238     dstdir=$dst
   239     test -d "$dstdir"
   240     dstdir_status=$?
   241   else
   242 
   243     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
   244     # might cause directories to be created, which would be especially bad
   245     # if $src (and thus $dsttmp) contains '*'.
   246     if test ! -f "$src" && test ! -d "$src"; then
   247       echo "$0: $src does not exist." >&2
   248       exit 1
   249     fi
   250 
   251     if test -z "$dst_arg"; then
   252       echo "$0: no destination specified." >&2
   253       exit 1
   254     fi
   255 
   256     dst=$dst_arg
   257     # Protect names starting with `-'.
   258     case $dst in
   259       -*) dst=./$dst;;
   260     esac
   261 
   262     # If destination is a directory, append the input filename; won't work
   263     # if double slashes aren't ignored.
   264     if test -d "$dst"; then
   265       if test -n "$no_target_directory"; then
   266 	echo "$0: $dst_arg: Is a directory" >&2
   267 	exit 1
   268       fi
   269       dstdir=$dst
   270       dst=$dstdir/`basename "$src"`
   271       dstdir_status=0
   272     else
   273       # Prefer dirname, but fall back on a substitute if dirname fails.
   274       dstdir=`
   275 	(dirname "$dst") 2>/dev/null ||
   276 	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
   277 	     X"$dst" : 'X\(//\)[^/]' \| \
   278 	     X"$dst" : 'X\(//\)$' \| \
   279 	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
   280 	echo X"$dst" |
   281 	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
   282 		   s//\1/
   283 		   q
   284 		 }
   285 		 /^X\(\/\/\)[^/].*/{
   286 		   s//\1/
   287 		   q
   288 		 }
   289 		 /^X\(\/\/\)$/{
   290 		   s//\1/
   291 		   q
   292 		 }
   293 		 /^X\(\/\).*/{
   294 		   s//\1/
   295 		   q
   296 		 }
   297 		 s/.*/./; q'
   298       `
   299 
   300       test -d "$dstdir"
   301       dstdir_status=$?
   302     fi
   303   fi
   304 
   305   obsolete_mkdir_used=false
   306 
   307   if test $dstdir_status != 0; then
   308     case $posix_mkdir in
   309       '')
   310 	# Create intermediate dirs using mode 755 as modified by the umask.
   311 	# This is like FreeBSD 'install' as of 1997-10-28.
   312 	umask=`umask`
   313 	case $stripcmd.$umask in
   314 	  # Optimize common cases.
   315 	  *[2367][2367]) mkdir_umask=$umask;;
   316 	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
   317 
   318 	  *[0-7])
   319 	    mkdir_umask=`expr $umask + 22 \
   320 	      - $umask % 100 % 40 + $umask % 20 \
   321 	      - $umask % 10 % 4 + $umask % 2
   322 	    `;;
   323 	  *) mkdir_umask=$umask,go-w;;
   324 	esac
   325 
   326 	# With -d, create the new directory with the user-specified mode.
   327 	# Otherwise, rely on $mkdir_umask.
   328 	if test -n "$dir_arg"; then
   329 	  mkdir_mode=-m$mode
   330 	else
   331 	  mkdir_mode=
   332 	fi
   333 
   334 	posix_mkdir=false
   335 	case $umask in
   336 	  *[123567][0-7][0-7])
   337 	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
   338 	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
   339 	    ;;
   340 	  *)
   341 	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
   342 	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
   343 
   344 	    if (umask $mkdir_umask &&
   345 		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
   346 	    then
   347 	      if test -z "$dir_arg" || {
   348 		   # Check for POSIX incompatibilities with -m.
   349 		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
   350 		   # other-writeable bit of parent directory when it shouldn't.
   351 		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
   352 		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
   353 		   case $ls_ld_tmpdir in
   354 		     d????-?r-*) different_mode=700;;
   355 		     d????-?--*) different_mode=755;;
   356 		     *) false;;
   357 		   esac &&
   358 		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
   359 		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
   360 		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
   361 		   }
   362 		 }
   363 	      then posix_mkdir=:
   364 	      fi
   365 	      rmdir "$tmpdir/d" "$tmpdir"
   366 	    else
   367 	      # Remove any dirs left behind by ancient mkdir implementations.
   368 	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
   369 	    fi
   370 	    trap '' 0;;
   371 	esac;;
   372     esac
   373 
   374     if
   375       $posix_mkdir && (
   376 	umask $mkdir_umask &&
   377 	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
   378       )
   379     then :
   380     else
   381 
   382       # The umask is ridiculous, or mkdir does not conform to POSIX,
   383       # or it failed possibly due to a race condition.  Create the
   384       # directory the slow way, step by step, checking for races as we go.
   385 
   386       case $dstdir in
   387 	/*) prefix='/';;
   388 	-*) prefix='./';;
   389 	*)  prefix='';;
   390       esac
   391 
   392       eval "$initialize_posix_glob"
   393 
   394       oIFS=$IFS
   395       IFS=/
   396       $posix_glob set -f
   397       set fnord $dstdir
   398       shift
   399       $posix_glob set +f
   400       IFS=$oIFS
   401 
   402       prefixes=
   403 
   404       for d
   405       do
   406 	test -z "$d" && continue
   407 
   408 	prefix=$prefix$d
   409 	if test -d "$prefix"; then
   410 	  prefixes=
   411 	else
   412 	  if $posix_mkdir; then
   413 	    (umask=$mkdir_umask &&
   414 	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
   415 	    # Don't fail if two instances are running concurrently.
   416 	    test -d "$prefix" || exit 1
   417 	  else
   418 	    case $prefix in
   419 	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
   420 	      *) qprefix=$prefix;;
   421 	    esac
   422 	    prefixes="$prefixes '$qprefix'"
   423 	  fi
   424 	fi
   425 	prefix=$prefix/
   426       done
   427 
   428       if test -n "$prefixes"; then
   429 	# Don't fail if two instances are running concurrently.
   430 	(umask $mkdir_umask &&
   431 	 eval "\$doit_exec \$mkdirprog $prefixes") ||
   432 	  test -d "$dstdir" || exit 1
   433 	obsolete_mkdir_used=true
   434       fi
   435     fi
   436   fi
   437 
   438   if test -n "$dir_arg"; then
   439     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
   440     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
   441     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
   442       test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
   443   else
   444 
   445     # Make a couple of temp file names in the proper directory.
   446     dsttmp=$dstdir/_inst.$$_
   447     rmtmp=$dstdir/_rm.$$_
   448 
   449     # Trap to clean up those temp files at exit.
   450     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
   451 
   452     # Copy the file name to the temp name.
   453     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
   454 
   455     # and set any options; do chmod last to preserve setuid bits.
   456     #
   457     # If any of these fail, we abort the whole thing.  If we want to
   458     # ignore errors from any of these, just make sure not to ignore
   459     # errors from the above "$doit $cpprog $src $dsttmp" command.
   460     #
   461     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
   462     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
   463     { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
   464     { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
   465 
   466     # If -C, don't bother to copy if it wouldn't change the file.
   467     if $copy_on_change &&
   468        old=`LC_ALL=C ls -dlL "$dst"	2>/dev/null` &&
   469        new=`LC_ALL=C ls -dlL "$dsttmp"	2>/dev/null` &&
   470 
   471        eval "$initialize_posix_glob" &&
   472        $posix_glob set -f &&
   473        set X $old && old=:$2:$4:$5:$6 &&
   474        set X $new && new=:$2:$4:$5:$6 &&
   475        $posix_glob set +f &&
   476 
   477        test "$old" = "$new" &&
   478        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
   479     then
   480       rm -f "$dsttmp"
   481     else
   482       # Rename the file to the real destination.
   483       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
   484 
   485       # The rename failed, perhaps because mv can't rename something else
   486       # to itself, or perhaps because mv is so ancient that it does not
   487       # support -f.
   488       {
   489 	# Now remove or move aside any old file at destination location.
   490 	# We try this two ways since rm can't unlink itself on some
   491 	# systems and the destination file might be busy for other
   492 	# reasons.  In this case, the final cleanup might fail but the new
   493 	# file should still install successfully.
   494 	{
   495 	  test ! -f "$dst" ||
   496 	  $doit $rmcmd -f "$dst" 2>/dev/null ||
   497 	  { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
   498 	    { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
   499 	  } ||
   500 	  { echo "$0: cannot unlink or rename $dst" >&2
   501 	    (exit 1); exit 1
   502 	  }
   503 	} &&
   504 
   505 	# Now rename the file to the real destination.
   506 	$doit $mvcmd "$dsttmp" "$dst"
   507       }
   508     fi || exit 1
   509 
   510     trap '' 0
   511   fi
   512 done
   513 
   514 # Local variables:
   515 # eval: (add-hook 'write-file-hooks 'time-stamp)
   516 # time-stamp-start: "scriptversion="
   517 # time-stamp-format: "%:y-%02m-%02d.%02H"
   518 # time-stamp-time-zone: "UTC"
   519 # time-stamp-end: "; # UTC"
   520 # End: