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      1 #!/bin/sh
      2 # install - install a program, script, or datafile
      3 
      4 scriptversion=2006-12-25.00
      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" "$dst"
    507       }
    508     fi || exit 1
    509 
    510     trap '' 0
    511   fi
    512 done
    513 
    514 # Local variables:
    515 # eval: (add-hook 'write-file-hooks 'time-stamp)
    516 # time-stamp-start: "scriptversion="
    517 # time-stamp-format: "%:y-%02m-%02d.%02H"
    518 # time-stamp-end: "$"
    519 # End:
    520