install-sh

   1 #!/bin/sh
   2 # install - install a program, script, or datafile
   3
   4 scriptversion=2003-09-24.23
   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.  It can only install one file at a time, a restriction
  43 # shared with many OS's install programs.
  44
  45 # set DOITPROG to echo to test this script
  46
  47 # Don't use :- since 4.3BSD and earlier shells don't like it.
  48 doit="${DOITPROG-}"
  49
  50 # put in absolute paths if you don't have them in your path; or use env. vars.
  51
  52 mvprog="${MVPROG-mv}"
  53 cpprog="${CPPROG-cp}"
  54 chmodprog="${CHMODPROG-chmod}"
  55 chownprog="${CHOWNPROG-chown}"
  56 chgrpprog="${CHGRPPROG-chgrp}"
  57 stripprog="${STRIPPROG-strip}"
  58 rmprog="${RMPROG-rm}"
  59 mkdirprog="${MKDIRPROG-mkdir}"
  60
  61 transformbasename=
  62 transform_arg=
  63 instcmd="$mvprog"
  64 chmodcmd="$chmodprog 0755"
  65 chowncmd=
  66 chgrpcmd=
  67 stripcmd=
  68 rmcmd="$rmprog -f"
  69 mvcmd="$mvprog"
  70 src=
  71 dst=
  72 dir_arg=
  73
  74 usage="Usage: $0 [OPTION]... SRCFILE DSTFILE
  75    or: $0 -d DIR1 DIR2...
  76
  77 In the first form, install SRCFILE to DSTFILE, removing SRCFILE by default.
  78 In the second, create the directory path DIR.
  79
  80 Options:
  81 -b=TRANSFORMBASENAME
  82 -c         copy source (using $cpprog) instead of moving (using $mvprog).
  83 -d         create directories instead of installing files.
  84 -g GROUP   $chgrp installed files to GROUP.
  85 -m MODE    $chmod installed files to MODE.
  86 -o USER    $chown installed files to USER.
  87 -s         strip installed files (using $stripprog).
  88 -t=TRANSFORM
  89 --help     display this help and exit.
  90 --version  display version info and exit.
  91
  92 Environment variables override the default commands:
  93   CHGRPPROG CHMODPROG CHOWNPROG CPPROG MKDIRPROG MVPROG RMPROG STRIPPROG
  94 "
  95
  96 while test -n "$1"; do
  97   case $1 in
  98     -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  99         shift
 100         continue;;
 101
 102     -c) instcmd=$cpprog
 103         shift
 104         continue;;
 105
 106     -d) dir_arg=true
 107         shift
 108         continue;;
 109
 110     -g) chgrpcmd="$chgrpprog $2"
 111         shift
 112         shift
 113         continue;;
 114
 115     --help) echo "$usage"; exit 0;;
 116
 117     -m) chmodcmd="$chmodprog $2"
 118         shift
 119         shift
 120         continue;;
 121
 122     -o) chowncmd="$chownprog $2"
 123         shift
 124         shift
 125         continue;;
 126
 127     -s) stripcmd=$stripprog
 128         shift
 129         continue;;
 130
 131     -t=*) transformarg=`echo $1 | sed 's/-t=//'`
 132         shift
 133         continue;;
 134
 135     --version) echo "$0 $scriptversion"; exit 0;;
 136
 137     *)  if test -z "$src"; then
 138           src=$1
 139         else
 140           # this colon is to work around a 386BSD /bin/sh bug
 141           :
 142           dst=$1
 143         fi
 144         shift
 145         continue;;
 146   esac
 147 done
 148
 149 if test -z "$src"; then
 150   echo "$0: no input file specified." >&2
 151   exit 1
 152 fi
 153
 154 # Protect names starting with `-'.
 155 case $src in
 156   -*) src=./$src ;;
 157 esac
 158
 159 if test -n "$dir_arg"; then
 160   dst=$src
 161   src=
 162
 163   if test -d "$dst"; then
 164     instcmd=:
 165     chmodcmd=
 166   else
 167     instcmd=$mkdirprog
 168   fi
 169 else
 170   # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 171   # might cause directories to be created, which would be especially bad
 172   # if $src (and thus $dsttmp) contains '*'.
 173   if test ! -f "$src" && test ! -d "$src"; then
 174     echo "$0: $src does not exist." >&2
 175     exit 1
 176   fi
 177
 178   if test -z "$dst"; then
 179     echo "$0: no destination specified." >&2
 180     exit 1
 181   fi
 182
 183   # Protect names starting with `-'.
 184   case $dst in
 185     -*) dst=./$dst ;;
 186   esac
 187
 188   # If destination is a directory, append the input filename; won't work
 189   # if double slashes aren't ignored.
 190   if test -d "$dst"; then
 191     dst=$dst/`basename "$src"`
 192   fi
 193 fi
 194
 195 # This sed command emulates the dirname command.
 196 dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 197
 198 # Make sure that the destination directory exists.
 199
 200 # Skip lots of stat calls in the usual case.
 201 if test ! -d "$dstdir"; then
 202   defaultIFS='
 203         '
 204   IFS="${IFS-$defaultIFS}"
 205
 206   oIFS=$IFS
 207   # Some sh's can't handle IFS=/ for some reason.
 208   IFS='%'
 209   set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
 210   IFS=$oIFS
 211
 212   pathcomp=
 213
 214   while test $# -ne 0 ; do
 215     pathcomp=$pathcomp$1
 216     shift
 217     test -d "$pathcomp" || $mkdirprog "$pathcomp"
 218     pathcomp=$pathcomp/
 219   done
 220 fi
 221
 222 if test -n "$dir_arg"; then
 223   $doit $instcmd "$dst" \
 224     && { test -z "$chowncmd" || $doit $chowncmd "$dst"; } \
 225     && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dst"; } \
 226     && { test -z "$stripcmd" || $doit $stripcmd "$dst"; } \
 227     && { test -z "$chmodcmd" || $doit $chmodcmd "$dst"; }
 228
 229 else
 230   # If we're going to rename the final executable, determine the name now.
 231   if test -z "$transformarg"; then
 232     dstfile=`basename "$dst"`
 233   else
 234     dstfile=`basename "$dst" $transformbasename \
 235              | sed $transformarg`$transformbasename
 236   fi
 237
 238   # don't allow the sed command to completely eliminate the filename.
 239   test -z "$dstfile" && dstfile=`basename "$dst"`
 240
 241   # Make a couple of temp file names in the proper directory.
 242   dsttmp=$dstdir/_inst.$$_
 243   rmtmp=$dstdir/_rm.$$_
 244
 245   # Trap to clean up those temp files at exit.
 246   trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
 247   trap '(exit $?); exit' 1 2 13 15
 248
 249   # Move or copy the file name to the temp name
 250   $doit $instcmd "$src" "$dsttmp" &&
 251
 252   # and set any options; do chmod last to preserve setuid bits.
 253   #
 254   # If any of these fail, we abort the whole thing.  If we want to
 255   # ignore errors from any of these, just make sure not to ignore
 256   # errors from the above "$doit $instcmd $src $dsttmp" command.
 257   #
 258   { test -z "$chowncmd" || $doit $chowncmd "$dsttmp"; } \
 259     && { test -z "$chgrpcmd" || $doit $chgrpcmd "$dsttmp"; } \
 260     && { test -z "$stripcmd" || $doit $stripcmd "$dsttmp"; } \
 261     && { test -z "$chmodcmd" || $doit $chmodcmd "$dsttmp"; } &&
 262
 263   # Now remove or move aside any old file at destination location.  We
 264   # try this two ways since rm can't unlink itself on some systems and
 265   # the destination file might be busy for other reasons.  In this case,
 266   # the final cleanup might fail but the new file should still install
 267   # successfully.
 268   {
 269     if test -f "$dstdir/$dstfile"; then
 270       $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null \
 271       || $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null \
 272       || {
 273           echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
 274           (exit 1); exit
 275       }
 276     else
 277       :
 278     fi
 279   } &&
 280
 281   # Now rename the file to the real destination.
 282   $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
 283 fi &&
 284
 285 # The final little trick to "correctly" pass the exit status to the exit trap.
 286 {
 287   (exit 0); exit
 288 }
 289
 290 # Local variables:
 291 # eval: (add-hook 'write-file-hooks 'time-stamp)
 292 # time-stamp-start: "scriptversion="
 293 # time-stamp-format: "%:y-%02m-%02d.%02H"
 294 # time-stamp-end: "$"
 295 # End: