config/install-sh

   1 #!/bin/sh
   2 # install - install a program, script, or datafile
   3
   4 # $PostgreSQL$
   5
   6 scriptversion=2005-02-02.21
   7
   8 # This originates from X11R5 (mit/util/scripts/install.sh), which was
   9 # later released in X11R6 (xc/config/util/install.sh) with the
  10 # following copyright and license.
  11 #
  12 # Copyright (C) 1994 X Consortium
  13 #
  14 # Permission is hereby granted, free of charge, to any person obtaining a copy
  15 # of this software and associated documentation files (the "Software"), to
  16 # deal in the Software without restriction, including without limitation the
  17 # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
  18 # sell copies of the Software, and to permit persons to whom the Software is
  19 # furnished to do so, subject to the following conditions:
  20 #
  21 # The above copyright notice and this permission notice shall be included in
  22 # all copies or substantial portions of the Software.
  23 #
  24 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  25 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  26 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  27 # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  28 # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
  29 # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 #
  31 # Except as contained in this notice, the name of the X Consortium shall not
  32 # be used in advertising or otherwise to promote the sale, use or other deal-
  33 # ings in this Software without prior written authorization from the X Consor-
  34 # tium.
  35 #
  36 #
  37 # FSF changes to this file are in the public domain.
  38 #
  39 # Calling this script install-sh is preferred over install.sh, to prevent
  40 # `make' implicit rules from creating a file called install from it
  41 # when there is no Makefile.
  42 #
  43 # This script is compatible with the BSD install script, but was written
  44 # from scratch.  It can only install one file at a time, a restriction
  45 # shared with many OS's install programs.
  46
  47 # set DOITPROG to echo to test this script
  48
  49 # Don't use :- since 4.3BSD and earlier shells don't like it.
  50 doit="${DOITPROG-}"
  51
  52 # put in absolute paths if you don't have them in your path; or use env. vars.
  53
  54 mvprog="${MVPROG-mv}"
  55 cpprog="${CPPROG-cp}"
  56 chmodprog="${CHMODPROG-chmod}"
  57 chownprog="${CHOWNPROG-chown}"
  58 chgrpprog="${CHGRPPROG-chgrp}"
  59 # Darwin normal strip removes symbols from shared libraries
  60 # that are later needed for dynamic linking, so use strip -x.
  61 # http://archives.postgresql.org/pgsql-hackers/2007-10/msg01470.php
  62 if test `expr "\`uname -a\`" : 'Darwin'` -ne 0
  63 then    stripprog="${STRIPPROG-strip -x}"
  64 else    stripprog="${STRIPPROG-strip}"
  65 fi
  66 rmprog="${RMPROG-rm}"
  67 mkdirprog="${MKDIRPROG-mkdir}"
  68
  69 chmodcmd="$chmodprog 0755"
  70 chowncmd=
  71 chgrpcmd=
  72 stripcmd=
  73 rmcmd="$rmprog -f"
  74 mvcmd="$mvprog"
  75 src=
  76 dst=
  77 dir_arg=
  78 dstarg=
  79 no_target_directory=
  80
  81 usage="Usage: $0 [OPTION]... [-T] SRCFILE DSTFILE
  82    or: $0 [OPTION]... SRCFILES... DIRECTORY
  83    or: $0 [OPTION]... -t DIRECTORY SRCFILES...
  84    or: $0 [OPTION]... -d DIRECTORIES...
  85
  86 In the 1st form, copy SRCFILE to DSTFILE.
  87 In the 2nd and 3rd, copy all SRCFILES to DIRECTORY.
  88 In the 4th, create DIRECTORIES.
  89
  90 Options:
  91 -c         (ignored)
  92 -d         create directories instead of installing files.
  93 -g GROUP   $chgrpprog installed files to GROUP.
  94 -m MODE    $chmodprog installed files to MODE.
  95 -o USER    $chownprog installed files to USER.
  96 -s         $stripprog installed files.
  97 -t DIRECTORY  install into DIRECTORY.
  98 -T         report an error if DSTFILE is a directory.
  99 --help     display this help and exit.
 100 --version  display version info and exit.
 101
 102 Environment variables override the default commands:
 103   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
 104 "
 105
 106 while test -n "$1"; do
 107   case $1 in
 108     -c) shift
 109         continue;;
 110
 111     -d) dir_arg=true
 112         shift
 113         continue;;
 114
 115     -g) chgrpcmd="$chgrpprog $2"
 116         shift
 117         shift
 118         continue;;
 119
 120     --help) echo "$usage"; exit $?;;
 121
 122     -m) chmodcmd="$chmodprog $2"
 123         shift
 124         shift
 125         continue;;
 126
 127     -o) chowncmd="$chownprog $2"
 128         shift
 129         shift
 130         continue;;
 131
 132     -s) stripcmd=$stripprog
 133         shift
 134         continue;;
 135
 136     -t) dstarg=$2
 137         shift
 138         shift
 139         continue;;
 140
 141     -T) no_target_directory=true
 142         shift
 143         continue;;
 144
 145     --version) echo "$0 $scriptversion"; exit $?;;
 146
 147     *)  # When -d is used, all remaining arguments are directories to create.
 148         # When -t is used, the destination is already specified.
 149         test -n "$dir_arg$dstarg" && break
 150         # Otherwise, the last argument is the destination.  Remove it from $@.
 151         for arg
 152         do
 153           if test -n "$dstarg"; then
 154             # $@ is not empty: it contains at least $arg.
 155             set fnord "$@" "$dstarg"
 156             shift # fnord
 157           fi
 158           shift # arg
 159           dstarg=$arg
 160         done
 161         break;;
 162   esac
 163 done
 164
 165 if test -z "$1"; then
 166   if test -z "$dir_arg"; then
 167     echo "$0: no input file specified." >&2
 168     exit 1
 169   fi
 170   # It's OK to call `install-sh -d' without argument.
 171   # This can happen when creating conditional directories.
 172   exit 0
 173 fi
 174
 175 for src
 176 do
 177   # Protect names starting with `-'.
 178   case $src in
 179     -*) src=./$src ;;
 180   esac
 181
 182   if test -n "$dir_arg"; then
 183     dst=$src
 184     src=
 185
 186     if test -d "$dst"; then
 187       mkdircmd=:
 188       chmodcmd=
 189     else
 190       mkdircmd=$mkdirprog
 191     fi
 192   else
 193     # Waiting for this to be detected by the "$cpprog $src $dsttmp" command
 194     # might cause directories to be created, which would be especially bad
 195     # if $src (and thus $dsttmp) contains '*'.
 196     if test ! -f "$src" && test ! -d "$src"; then
 197       echo "$0: $src does not exist." >&2
 198       exit 1
 199     fi
 200
 201     if test -z "$dstarg"; then
 202       echo "$0: no destination specified." >&2
 203       exit 1
 204     fi
 205
 206     dst=$dstarg
 207     # Protect names starting with `-'.
 208     case $dst in
 209       -*) dst=./$dst ;;
 210     esac
 211
 212     # If destination is a directory, append the input filename; won't work
 213     # if double slashes aren't ignored.
 214     if test -d "$dst"; then
 215       if test -n "$no_target_directory"; then
 216         echo "$0: $dstarg: Is a directory" >&2
 217         exit 1
 218       fi
 219       dst=$dst/`basename "$src"`
 220     fi
 221   fi
 222
 223   # This sed command emulates the dirname command.
 224   dstdir=`echo "$dst" | sed -e 's,/*$,,;s,[^/]*$,,;s,/*$,,;s,^$,.,'`
 225
 226   # Make sure that the destination directory exists.
 227
 228   # Skip lots of stat calls in the usual case.
 229   if test ! -d "$dstdir"; then
 230     defaultIFS='
 231          '
 232     IFS="${IFS-$defaultIFS}"
 233
 234     oIFS=$IFS
 235     # Some sh's can't handle IFS=/ for some reason.
 236     IFS='%'
 237     set x `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
 238     shift
 239     IFS=$oIFS
 240
 241     pathcomp=
 242
 243     while test $# -ne 0 ; do
 244       pathcomp=$pathcomp$1
 245       shift
 246       if test ! -d "$pathcomp"; then
 247         $mkdirprog "$pathcomp"
 248         # mkdir can fail with a `File exist' error in case several
 249         # install-sh are creating the directory concurrently.  This
 250         # is OK.
 251         test -d "$pathcomp" || exit
 252       fi
 253       pathcomp=$pathcomp/
 254     done
 255   fi
 256
 257   if test -n "$dir_arg"; then
 258     $doit $mkdircmd "$dst" \
 259       && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
 260       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
 261       && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
 262       && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
 263
 264   else
 265     dstfile=`basename "$dst"`
 266
 267     # Make a couple of temp file names in the proper directory.
 268     dsttmp=$dstdir/_inst.$$_
 269     rmtmp=$dstdir/_rm.$$_
 270
 271     # Trap to clean up those temp files at exit.
 272     trap 'ret=$?; rm -f "$dsttmp" "$rmtmp" && exit $ret' 0
 273     trap '(exit $?); exit' 1 2 13 15
 274
 275     # Copy the file name to the temp name.
 276     $doit $cpprog "$src" "$dsttmp" &&
 277
 278     # and set any options; do chmod last to preserve setuid bits.
 279     #
 280     # If any of these fail, we abort the whole thing.  If we want to
 281     # ignore errors from any of these, just make sure not to ignore
 282     # errors from the above "$doit $cpprog $src $dsttmp" command.
 283     #
 284     { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
 285       && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
 286       && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
 287       && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
 288
 289     # Now rename the file to the real destination.
 290     { $doit $mvcmd -f "$dsttmp" "$dstdir/$dstfile" 2>/dev/null \
 291       || {
 292            # The rename failed, perhaps because mv can't rename something else
 293            # to itself, or perhaps because mv is so ancient that it does not
 294            # support -f.
 295
 296            # Now remove or move aside any old file at destination location.
 297            # We try this two ways since rm can't unlink itself on some
 298            # systems and the destination file might be busy for other
 299            # reasons.  In this case, the final cleanup might fail but the new
 300            # file should still install successfully.
 301            {
 302              if test -f "$dstdir/$dstfile"; then
 303                $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
 304                || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
 305                || {
 306                  echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
 307                  (exit 1); exit 1
 308                }
 309              else
 310                :
 311              fi
 312            } &&
 313
 314            # Now rename the file to the real destination.
 315            $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
 316          }
 317     }
 318   fi || { (exit 1); exit 1; }
 319 done
 320
 321 # The final little trick to "correctly" pass the exit status to the exit trap.
 322 {
 323   (exit 0); exit 0
 324 }
 325
 326 # Local variables:
 327 # eval: (add-hook 'write-file-hooks 'time-stamp)
 328 # time-stamp-start: "scriptversion="
 329 # time-stamp-format: "%:y-%02m-%02d.%02H"
 330 # time-stamp-end: "$"
 331 # End: