install-sh
author Sam Lantinga <slouken@libsdl.org>
Sat, 28 Jan 2012 10:51:24 -0500
changeset 326 fa6129ca8503
parent 285 b3f70e3d7246
child 611 b39ee38ead19
permissions -rwxr-xr-x
Fixed SDL_image header location
     1 #!/bin/sh
     2 # install - install a program, script, or datafile
     3 
     4 scriptversion=2006-10-14.15
     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 mvprog="${MVPROG-mv}"
    62 cpprog="${CPPROG-cp}"
    63 chmodprog="${CHMODPROG-chmod}"
    64 chownprog="${CHOWNPROG-chown}"
    65 chgrpprog="${CHGRPPROG-chgrp}"
    66 stripprog="${STRIPPROG-strip}"
    67 rmprog="${RMPROG-rm}"
    68 mkdirprog="${MKDIRPROG-mkdir}"
    69 
    70 posix_glob=
    71 posix_mkdir=
    72 
    73 # Desired mode of installed file.
    74 mode=0755
    75 
    76 chmodcmd=$chmodprog
    77 chowncmd=
    78 chgrpcmd=
    79 stripcmd=
    80 rmcmd="$rmprog -f"
    81 mvcmd="$mvprog"
    82 src=
    83 dst=
    84 dir_arg=
    85 dstarg=
    86 no_target_directory=
    87 
    88 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
    89    or: $0 [OPTION]... SRCFILES... DIRECTORY
    90    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
    91    or: $0 [OPTION]... -d DIRECTORIES...
    92 
    93 In the 1st form, copy SRCFILE to DSTFILE.
    94 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
    95 In the 4th, create DIRECTORIES.
    96 
    97 Options:
    98 -c         (ignored)
    99 -d         create directories instead of installing files.
   100 -g GROUP   $chgrpprog installed files to GROUP.
   101 -m MODE    $chmodprog installed files to MODE.
   102 -o USER    $chownprog installed files to USER.
   103 -s         $stripprog installed files.
   104 -t DIRECTORY  install into DIRECTORY.
   105 -T         report an error if DSTFILE is a directory.
   106 --help     display this help and exit.
   107 --version  display version info and exit.
   108 
   109 Environment variables override the default commands:
   110   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
   111 "
   112 
   113 while test $# -ne 0; do
   114   case $1 in
   115     -c) shift
   116         continue;;
   117 
   118     -d) dir_arg=true
   119         shift
   120         continue;;
   121 
   122     -g) chgrpcmd="$chgrpprog $2"
   123         shift
   124         shift
   125         continue;;
   126 
   127     --help) echo "$usage"; exit $?;;
   128 
   129     -m) mode=$2
   130         shift
   131         shift
   132 	case $mode in
   133 	  *' '* | *'	'* | *'
   134 '*	  | *'*'* | *'?'* | *'['*)
   135 	    echo "$0: invalid mode: $mode" >&2
   136 	    exit 1;;
   137 	esac
   138         continue;;
   139 
   140     -o) chowncmd="$chownprog $2"
   141         shift
   142         shift
   143         continue;;
   144 
   145     -s) stripcmd=$stripprog
   146         shift
   147         continue;;
   148 
   149     -t) dstarg=$2
   150 	shift
   151 	shift
   152 	continue;;
   153 
   154     -T) no_target_directory=true
   155 	shift
   156 	continue;;
   157 
   158     --version) echo "$0 $scriptversion"; exit $?;;
   159 
   160     --)	shift
   161 	break;;
   162 
   163     -*)	echo "$0: invalid option: $1" >&2
   164 	exit 1;;
   165 
   166     *)  break;;
   167   esac
   168 done
   169 
   170 if test $# -ne 0 && test -z "$dir_arg$dstarg"; then
   171   # When -d is used, all remaining arguments are directories to create.
   172   # When -t is used, the destination is already specified.
   173   # Otherwise, the last argument is the destination.  Remove it from $@.
   174   for arg
   175   do
   176     if test -n "$dstarg"; then
   177       # $@ is not empty: it contains at least $arg.
   178       set fnord "$@" "$dstarg"
   179       shift # fnord
   180     fi
   181     shift # arg
   182     dstarg=$arg
   183   done
   184 fi
   185 
   186 if test $# -eq 0; then
   187   if test -z "$dir_arg"; then
   188     echo "$0: no input file specified." >&2
   189     exit 1
   190   fi
   191   # It's OK to call `install-sh -d' without argument.
   192   # This can happen when creating conditional directories.
   193   exit 0
   194 fi
   195 
   196 if test -z "$dir_arg"; then
   197   trap '(exit $?); exit' 1 2 13 15
   198 
   199   # Set umask so as not to create temps with too-generous modes.
   200   # However, 'strip' requires both read and write access to temps.
   201   case $mode in
   202     # Optimize common cases.
   203     *644) cp_umask=133;;
   204     *755) cp_umask=22;;
   205 
   206     *[0-7])
   207       if test -z "$stripcmd"; then
   208 	u_plus_rw=
   209       else
   210 	u_plus_rw='% 200'
   211       fi
   212       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
   213     *)
   214       if test -z "$stripcmd"; then
   215 	u_plus_rw=
   216       else
   217 	u_plus_rw=,u+rw
   218       fi
   219       cp_umask=$mode$u_plus_rw;;
   220   esac
   221 fi
   222 
   223 for src
   224 do
   225   # Protect names starting with `-'.
   226   case $src in
   227     -*) src=./$src ;;
   228   esac
   229 
   230   if test -n "$dir_arg"; then
   231     dst=$src
   232     dstdir=$dst
   233     test -d "$dstdir"
   234     dstdir_status=$?
   235   else
   236 
   237     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
   238     # might cause directories to be created, which would be especially bad
   239     # if $src (and thus $dsttmp) contains '*'.
   240     if test ! -f "$src" && test ! -d "$src"; then
   241       echo "$0: $src does not exist." >&2
   242       exit 1
   243     fi
   244 
   245     if test -z "$dstarg"; then
   246       echo "$0: no destination specified." >&2
   247       exit 1
   248     fi
   249 
   250     dst=$dstarg
   251     # Protect names starting with `-'.
   252     case $dst in
   253       -*) dst=./$dst ;;
   254     esac
   255 
   256     # If destination is a directory, append the input filename; won't work
   257     # if double slashes aren't ignored.
   258     if test -d "$dst"; then
   259       if test -n "$no_target_directory"; then
   260 	echo "$0: $dstarg: Is a directory" >&2
   261 	exit 1
   262       fi
   263       dstdir=$dst
   264       dst=$dstdir/`basename "$src"`
   265       dstdir_status=0
   266     else
   267       # Prefer dirname, but fall back on a substitute if dirname fails.
   268       dstdir=`
   269 	(dirname "$dst") 2>/dev/null ||
   270 	expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
   271 	     X"$dst" : 'X\(//\)[^/]' \| \
   272 	     X"$dst" : 'X\(//\)$' \| \
   273 	     X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
   274 	echo X"$dst" |
   275 	    sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
   276 		   s//\1/
   277 		   q
   278 		 }
   279 		 /^X\(\/\/\)[^/].*/{
   280 		   s//\1/
   281 		   q
   282 		 }
   283 		 /^X\(\/\/\)$/{
   284 		   s//\1/
   285 		   q
   286 		 }
   287 		 /^X\(\/\).*/{
   288 		   s//\1/
   289 		   q
   290 		 }
   291 		 s/.*/./; q'
   292       `
   293 
   294       test -d "$dstdir"
   295       dstdir_status=$?
   296     fi
   297   fi
   298 
   299   obsolete_mkdir_used=false
   300 
   301   if test $dstdir_status != 0; then
   302     case $posix_mkdir in
   303       '')
   304 	# Create intermediate dirs using mode 755 as modified by the umask.
   305 	# This is like FreeBSD 'install' as of 1997-10-28.
   306 	umask=`umask`
   307 	case $stripcmd.$umask in
   308 	  # Optimize common cases.
   309 	  *[2367][2367]) mkdir_umask=$umask;;
   310 	  .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
   311 
   312 	  *[0-7])
   313 	    mkdir_umask=`expr $umask + 22 \
   314 	      - $umask % 100 % 40 + $umask % 20 \
   315 	      - $umask % 10 % 4 + $umask % 2
   316 	    `;;
   317 	  *) mkdir_umask=$umask,go-w;;
   318 	esac
   319 
   320 	# With -d, create the new directory with the user-specified mode.
   321 	# Otherwise, rely on $mkdir_umask.
   322 	if test -n "$dir_arg"; then
   323 	  mkdir_mode=-m$mode
   324 	else
   325 	  mkdir_mode=
   326 	fi
   327 
   328 	posix_mkdir=false
   329 	case $umask in
   330 	  *[123567][0-7][0-7])
   331 	    # POSIX mkdir -p sets u+wx bits regardless of umask, which
   332 	    # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
   333 	    ;;
   334 	  *)
   335 	    tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
   336 	    trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
   337 
   338 	    if (umask $mkdir_umask &&
   339 		exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
   340 	    then
   341 	      if test -z "$dir_arg" || {
   342 		   # Check for POSIX incompatibilities with -m.
   343 		   # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
   344 		   # other-writeable bit of parent directory when it shouldn't.
   345 		   # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
   346 		   ls_ld_tmpdir=`ls -ld "$tmpdir"`
   347 		   case $ls_ld_tmpdir in
   348 		     d????-?r-*) different_mode=700;;
   349 		     d????-?--*) different_mode=755;;
   350 		     *) false;;
   351 		   esac &&
   352 		   $mkdirprog -m$different_mode -p -- "$tmpdir" && {
   353 		     ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
   354 		     test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
   355 		   }
   356 		 }
   357 	      then posix_mkdir=:
   358 	      fi
   359 	      rmdir "$tmpdir/d" "$tmpdir"
   360 	    else
   361 	      # Remove any dirs left behind by ancient mkdir implementations.
   362 	      rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
   363 	    fi
   364 	    trap '' 0;;
   365 	esac;;
   366     esac
   367 
   368     if
   369       $posix_mkdir && (
   370 	umask $mkdir_umask &&
   371 	$doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
   372       )
   373     then :
   374     else
   375 
   376       # The umask is ridiculous, or mkdir does not conform to POSIX,
   377       # or it failed possibly due to a race condition.  Create the
   378       # directory the slow way, step by step, checking for races as we go.
   379 
   380       case $dstdir in
   381 	/*) prefix=/ ;;
   382 	-*) prefix=./ ;;
   383 	*)  prefix= ;;
   384       esac
   385 
   386       case $posix_glob in
   387         '')
   388 	  if (set -f) 2>/dev/null; then
   389 	    posix_glob=true
   390 	  else
   391 	    posix_glob=false
   392 	  fi ;;
   393       esac
   394 
   395       oIFS=$IFS
   396       IFS=/
   397       $posix_glob && set -f
   398       set fnord $dstdir
   399       shift
   400       $posix_glob && set +f
   401       IFS=$oIFS
   402 
   403       prefixes=
   404 
   405       for d
   406       do
   407 	test -z "$d" && continue
   408 
   409 	prefix=$prefix$d
   410 	if test -d "$prefix"; then
   411 	  prefixes=
   412 	else
   413 	  if $posix_mkdir; then
   414 	    (umask=$mkdir_umask &&
   415 	     $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
   416 	    # Don't fail if two instances are running concurrently.
   417 	    test -d "$prefix" || exit 1
   418 	  else
   419 	    case $prefix in
   420 	      *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
   421 	      *) qprefix=$prefix;;
   422 	    esac
   423 	    prefixes="$prefixes '$qprefix'"
   424 	  fi
   425 	fi
   426 	prefix=$prefix/
   427       done
   428 
   429       if test -n "$prefixes"; then
   430 	# Don't fail if two instances are running concurrently.
   431 	(umask $mkdir_umask &&
   432 	 eval "\$doit_exec \$mkdirprog $prefixes") ||
   433 	  test -d "$dstdir" || exit 1
   434 	obsolete_mkdir_used=true
   435       fi
   436     fi
   437   fi
   438 
   439   if test -n "$dir_arg"; then
   440     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
   441     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
   442     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
   443       test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
   444   else
   445 
   446     # Make a couple of temp file names in the proper directory.
   447     dsttmp=$dstdir/_inst.$$_
   448     rmtmp=$dstdir/_rm.$$_
   449 
   450     # Trap to clean up those temp files at exit.
   451     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
   452 
   453     # Copy the file name to the temp name.
   454     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
   455 
   456     # and set any options; do chmod last to preserve setuid bits.
   457     #
   458     # If any of these fail, we abort the whole thing.  If we want to
   459     # ignore errors from any of these, just make sure not to ignore
   460     # errors from the above "$doit $cpprog $src $dsttmp" command.
   461     #
   462     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
   463       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
   464       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
   465       && { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
   466 
   467     # Now rename the file to the real destination.
   468     { $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null \
   469       || {
   470 	   # The rename failed, perhaps because mv can't rename something else
   471 	   # to itself, or perhaps because mv is so ancient that it does not
   472 	   # support -f.
   473 
   474 	   # Now remove or move aside any old file at destination location.
   475 	   # We try this two ways since rm can't unlink itself on some
   476 	   # systems and the destination file might be busy for other
   477 	   # reasons.  In this case, the final cleanup might fail but the new
   478 	   # file should still install successfully.
   479 	   {
   480 	     if test -f "$dst"; then
   481 	       $doit $rmcmd -f "$dst" 2>/dev/null \
   482 	       || { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null \
   483 		     && { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }; }\
   484 	       || {
   485 		 echo "$0: cannot unlink or rename $dst" >&2
   486 		 (exit 1); exit 1
   487 	       }
   488 	     else
   489 	       :
   490 	     fi
   491 	   } &&
   492 
   493 	   # Now rename the file to the real destination.
   494 	   $doit $mvcmd "$dsttmp" "$dst"
   495 	 }
   496     } || exit 1
   497 
   498     trap '' 0
   499   fi
   500 done
   501 
   502 # Local variables:
   503 # eval: (add-hook 'write-file-hooks 'time-stamp)
   504 # time-stamp-start: "scriptversion="
   505 # time-stamp-format: "%:y-%02m-%02d.%02H"
   506 # time-stamp-end: "$"
   507 # End: