autoconf/tea/tclconfig/install-sh

   1 #!/bin/sh
   2 # install - install a program, script, or datafile
   3
   4 scriptversion=2011-04-20.01; # 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   -S            $stripprog installed files.
 124   -t DIRECTORY  install into DIRECTORY.
 125   -T            report an error if DSTFILE is a directory.
 126
 127 Environment variables override the default commands:
 128   CHGRPPROG CHMODPROG CHOWNPROG CMPPROG CPPROG MKDIRPROG MVPROG
 129   RMPROG STRIPPROG
 130 "
 131
 132 while test $# -ne 0; do
 133   case $1 in
 134     -c) ;;
 135
 136     -C) copy_on_change=true;;
 137
 138     -d) dir_arg=true;;
 139
 140     -g) chgrpcmd="$chgrpprog $2"
 141         shift;;
 142
 143     --help) echo "$usage"; exit $?;;
 144
 145     -m) mode=$2
 146         case $mode in
 147           *' '* | *'    '* | *'
 148 '*        | *'*'* | *'?'* | *'['*)
 149             echo "$0: invalid mode: $mode" >&2
 150             exit 1;;
 151         esac
 152         shift;;
 153
 154     -o) chowncmd="$chownprog $2"
 155         shift;;
 156
 157     -s) stripcmd=$stripprog;;
 158
 159     -S) stripcmd="$stripprog $2"
 160         shift;;
 161
 162     -t) dst_arg=$2
 163         shift;;
 164
 165     -T) no_target_directory=true;;
 166
 167     --version) echo "$0 $scriptversion"; exit $?;;
 168
 169     --) shift
 170         break;;
 171
 172     -*) echo "$0: invalid option: $1" >&2
 173         exit 1;;
 174
 175     *)  break;;
 176   esac
 177   shift
 178 done
 179
 180 if test $# -ne 0 && test -z "$dir_arg$dst_arg"; then
 181   # When -d is used, all remaining arguments are directories to create.
 182   # When -t is used, the destination is already specified.
 183   # Otherwise, the last argument is the destination.  Remove it from $@.
 184   for arg
 185   do
 186     if test -n "$dst_arg"; then
 187       # $@ is not empty: it contains at least $arg.
 188       set fnord "$@" "$dst_arg"
 189       shift # fnord
 190     fi
 191     shift # arg
 192     dst_arg=$arg
 193   done
 194 fi
 195
 196 if test $# -eq 0; then
 197   if test -z "$dir_arg"; then
 198     echo "$0: no input file specified." >&2
 199     exit 1
 200   fi
 201   # It's OK to call `install-sh -d' without argument.
 202   # This can happen when creating conditional directories.
 203   exit 0
 204 fi
 205
 206 if test -z "$dir_arg"; then
 207   do_exit='(exit $ret); exit $ret'
 208   trap "ret=129; $do_exit" 1
 209   trap "ret=130; $do_exit" 2
 210   trap "ret=141; $do_exit" 13
 211   trap "ret=143; $do_exit" 15
 212
 213   # Set umask so as not to create temps with too-generous modes.
 214   # However, 'strip' requires both read and write access to temps.
 215   case $mode in
 216     # Optimize common cases.
 217     *644) cp_umask=133;;
 218     *755) cp_umask=22;;
 219
 220     *[0-7])
 221       if test -z "$stripcmd"; then
 222         u_plus_rw=
 223       else
 224         u_plus_rw='% 200'
 225       fi
 226       cp_umask=`expr '(' 777 - $mode % 1000 ')' $u_plus_rw`;;
 227     *)
 228       if test -z "$stripcmd"; then
 229         u_plus_rw=
 230       else
 231         u_plus_rw=,u+rw
 232       fi
 233       cp_umask=$mode$u_plus_rw;;
 234   esac
 235 fi
 236
 237 for src
 238 do
 239   # Protect names starting with `-'.
 240   case $src in
 241     -*) src=./$src;;
 242   esac
 243
 244   if test -n "$dir_arg"; then
 245     dst=$src
 246     dstdir=$dst
 247     test -d "$dstdir"
 248     dstdir_status=$?
 249   else
 250
 251     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
 252     # might cause directories to be created, which would be especially bad
 253     # if $src (and thus $dsttmp) contains '*'.
 254     if test ! -f "$src" && test ! -d "$src"; then
 255       echo "$0: $src does not exist." >&2
 256       exit 1
 257     fi
 258
 259     if test -z "$dst_arg"; then
 260       echo "$0: no destination specified." >&2
 261       exit 1
 262     fi
 263
 264     dst=$dst_arg
 265     # Protect names starting with `-'.
 266     case $dst in
 267       -*) dst=./$dst;;
 268     esac
 269
 270     # If destination is a directory, append the input filename; won't work
 271     # if double slashes aren't ignored.
 272     if test -d "$dst"; then
 273       if test -n "$no_target_directory"; then
 274         echo "$0: $dst_arg: Is a directory" >&2
 275         exit 1
 276       fi
 277       dstdir=$dst
 278       dst=$dstdir/`basename "$src"`
 279       dstdir_status=0
 280     else
 281       # Prefer dirname, but fall back on a substitute if dirname fails.
 282       dstdir=`
 283         (dirname "$dst") 2>/dev/null ||
 284         expr X"$dst" : 'X\(.*[^/]\)//*[^/][^/]*/*$' \| \
 285              X"$dst" : 'X\(//\)[^/]' \| \
 286              X"$dst" : 'X\(//\)$' \| \
 287              X"$dst" : 'X\(/\)' \| . 2>/dev/null ||
 288         echo X"$dst" |
 289             sed '/^X\(.*[^/]\)\/\/*[^/][^/]*\/*$/{
 290                    s//\1/
 291                    q
 292                  }
 293                  /^X\(\/\/\)[^/].*/{
 294                    s//\1/
 295                    q
 296                  }
 297                  /^X\(\/\/\)$/{
 298                    s//\1/
 299                    q
 300                  }
 301                  /^X\(\/\).*/{
 302                    s//\1/
 303                    q
 304                  }
 305                  s/.*/./; q'
 306       `
 307
 308       test -d "$dstdir"
 309       dstdir_status=$?
 310     fi
 311   fi
 312
 313   obsolete_mkdir_used=false
 314
 315   if test $dstdir_status != 0; then
 316     case $posix_mkdir in
 317       '')
 318         # Create intermediate dirs using mode 755 as modified by the umask.
 319         # This is like FreeBSD 'install' as of 1997-10-28.
 320         umask=`umask`
 321         case $stripcmd.$umask in
 322           # Optimize common cases.
 323           *[2367][2367]) mkdir_umask=$umask;;
 324           .*0[02][02] | .[02][02] | .[02]) mkdir_umask=22;;
 325
 326           *[0-7])
 327             mkdir_umask=`expr $umask + 22 \
 328               - $umask % 100 % 40 + $umask % 20 \
 329               - $umask % 10 % 4 + $umask % 2
 330             `;;
 331           *) mkdir_umask=$umask,go-w;;
 332         esac
 333
 334         # With -d, create the new directory with the user-specified mode.
 335         # Otherwise, rely on $mkdir_umask.
 336         if test -n "$dir_arg"; then
 337           mkdir_mode=-m$mode
 338         else
 339           mkdir_mode=
 340         fi
 341
 342         posix_mkdir=false
 343         case $umask in
 344           *[123567][0-7][0-7])
 345             # POSIX mkdir -p sets u+wx bits regardless of umask, which
 346             # is incompatible with FreeBSD 'install' when (umask & 300) != 0.
 347             ;;
 348           *)
 349             tmpdir=${TMPDIR-/tmp}/ins$RANDOM-$$
 350             trap 'ret=$?; rmdir "$tmpdir/d" "$tmpdir" 2>/dev/null; exit $ret' 0
 351
 352             if (umask $mkdir_umask &&
 353                 exec $mkdirprog $mkdir_mode -p -- "$tmpdir/d") >/dev/null 2>&1
 354             then
 355               if test -z "$dir_arg" || {
 356                    # Check for POSIX incompatibilities with -m.
 357                    # HP-UX 11.23 and IRIX 6.5 mkdir -m -p sets group- or
 358                    # other-writeable bit of parent directory when it shouldn't.
 359                    # FreeBSD 6.1 mkdir -m -p sets mode of existing directory.
 360                    ls_ld_tmpdir=`ls -ld "$tmpdir"`
 361                    case $ls_ld_tmpdir in
 362                      d????-?r-*) different_mode=700;;
 363                      d????-?--*) different_mode=755;;
 364                      *) false;;
 365                    esac &&
 366                    $mkdirprog -m$different_mode -p -- "$tmpdir" && {
 367                      ls_ld_tmpdir_1=`ls -ld "$tmpdir"`
 368                      test "$ls_ld_tmpdir" = "$ls_ld_tmpdir_1"
 369                    }
 370                  }
 371               then posix_mkdir=:
 372               fi
 373               rmdir "$tmpdir/d" "$tmpdir"
 374             else
 375               # Remove any dirs left behind by ancient mkdir implementations.
 376               rmdir ./$mkdir_mode ./-p ./-- 2>/dev/null
 377             fi
 378             trap '' 0;;
 379         esac;;
 380     esac
 381
 382     if
 383       $posix_mkdir && (
 384         umask $mkdir_umask &&
 385         $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir"
 386       )
 387     then :
 388     else
 389
 390       # The umask is ridiculous, or mkdir does not conform to POSIX,
 391       # or it failed possibly due to a race condition.  Create the
 392       # directory the slow way, step by step, checking for races as we go.
 393
 394       case $dstdir in
 395         /*) prefix='/';;
 396         -*) prefix='./';;
 397         *)  prefix='';;
 398       esac
 399
 400       eval "$initialize_posix_glob"
 401
 402       oIFS=$IFS
 403       IFS=/
 404       $posix_glob set -f
 405       set fnord $dstdir
 406       shift
 407       $posix_glob set +f
 408       IFS=$oIFS
 409
 410       prefixes=
 411
 412       for d
 413       do
 414         test -z "$d" && continue
 415
 416         prefix=$prefix$d
 417         if test -d "$prefix"; then
 418           prefixes=
 419         else
 420           if $posix_mkdir; then
 421             (umask=$mkdir_umask &&
 422              $doit_exec $mkdirprog $mkdir_mode -p -- "$dstdir") && break
 423             # Don't fail if two instances are running concurrently.
 424             test -d "$prefix" || exit 1
 425           else
 426             case $prefix in
 427               *\'*) qprefix=`echo "$prefix" | sed "s/'/'\\\\\\\\''/g"`;;
 428               *) qprefix=$prefix;;
 429             esac
 430             prefixes="$prefixes '$qprefix'"
 431           fi
 432         fi
 433         prefix=$prefix/
 434       done
 435
 436       if test -n "$prefixes"; then
 437         # Don't fail if two instances are running concurrently.
 438         (umask $mkdir_umask &&
 439          eval "\$doit_exec \$mkdirprog $prefixes") ||
 440           test -d "$dstdir" || exit 1
 441         obsolete_mkdir_used=true
 442       fi
 443     fi
 444   fi
 445
 446   if test -n "$dir_arg"; then
 447     { test -z "$chowncmd" || $doit $chowncmd "$dst"; } &&
 448     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } &&
 449     { test "$obsolete_mkdir_used$chowncmd$chgrpcmd" = false ||
 450       test -z "$chmodcmd" || $doit $chmodcmd $mode "$dst"; } || exit 1
 451   else
 452
 453     # Make a couple of temp file names in the proper directory.
 454     dsttmp=$dstdir/_inst.$$_
 455     rmtmp=$dstdir/_rm.$$_
 456
 457     # Trap to clean up those temp files at exit.
 458     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
 459
 460     # Copy the file name to the temp name.
 461     (umask $cp_umask && $doit_exec $cpprog "$src" "$dsttmp") &&
 462
 463     # and set any options; do chmod last to preserve setuid bits.
 464     #
 465     # If any of these fail, we abort the whole thing.  If we want to
 466     # ignore errors from any of these, just make sure not to ignore
 467     # errors from the above "$doit $cpprog $src $dsttmp" command.
 468     #
 469     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } &&
 470     { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } &&
 471     { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } &&
 472     { test -z "$chmodcmd" || $doit $chmodcmd $mode "$dsttmp"; } &&
 473
 474     # If -C, don't bother to copy if it wouldn't change the file.
 475     if $copy_on_change &&
 476        old=`LC_ALL=C ls -dlL "$dst"     2>/dev/null` &&
 477        new=`LC_ALL=C ls -dlL "$dsttmp"  2>/dev/null` &&
 478
 479        eval "$initialize_posix_glob" &&
 480        $posix_glob set -f &&
 481        set X $old && old=:$2:$4:$5:$6 &&
 482        set X $new && new=:$2:$4:$5:$6 &&
 483        $posix_glob set +f &&
 484
 485        test "$old" = "$new" &&
 486        $cmpprog "$dst" "$dsttmp" >/dev/null 2>&1
 487     then
 488       rm -f "$dsttmp"
 489     else
 490       # Rename the file to the real destination.
 491       $doit $mvcmd -f "$dsttmp" "$dst" 2>/dev/null ||
 492
 493       # The rename failed, perhaps because mv can't rename something else
 494       # to itself, or perhaps because mv is so ancient that it does not
 495       # support -f.
 496       {
 497         # Now remove or move aside any old file at destination location.
 498         # We try this two ways since rm can't unlink itself on some
 499         # systems and the destination file might be busy for other
 500         # reasons.  In this case, the final cleanup might fail but the new
 501         # file should still install successfully.
 502         {
 503           test ! -f "$dst" ||
 504           $doit $rmcmd -f "$dst" 2>/dev/null ||
 505           { $doit $mvcmd -f "$dst" "$rmtmp" 2>/dev/null &&
 506             { $doit $rmcmd -f "$rmtmp" 2>/dev/null; :; }
 507           } ||
 508           { echo "$0: cannot unlink or rename $dst" >&2
 509             (exit 1); exit 1
 510           }
 511         } &&
 512
 513         # Now rename the file to the real destination.
 514         $doit $mvcmd "$dsttmp" "$dst"
 515       }
 516     fi || exit 1
 517
 518     trap '' 0
 519   fi
 520 done
 521
 522 # Local variables:
 523 # eval: (add-hook 'write-file-hooks 'time-stamp)
 524 # time-stamp-start: "scriptversion="
 525 # time-stamp-format: "%:y-%02m-%02d.%02H"
 526 # time-stamp-time-zone: "UTC"
 527 # time-stamp-end: "; # UTC"
 528 # End: