/[PAMELA software]/yoda/install-sh

Diff of /yoda/install-sh

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-revision 1.2 by kusanagi,
Tue Jul 20 13:04:50 2004 UTC
+revision 3.0 by kusanagi,
Fri Mar  4 15:54:11 2005 UTC
 Line 1
  #!/bin/sh
  #
  # install - install a program, script, or datafile
- # This comes from X11R5 (mit/util/scripts/install.sh).
  #
- # Copyright 1991 by the Massachusetts Institute of Technology
+ # This originates from X11R5 (mit/util/scripts/install.sh), which was
+ # later released in X11R6 (xc/config/util/install.sh) with the
+ # following copyright and license.
  #
- # Permission to use, copy, modify, distribute, and sell this software and its
+ # Copyright (C) 1994 X Consortium
- # documentation for any purpose is hereby granted without fee, provided that
+ #
- # the above copyright notice appear in all copies and that both that
+ # Permission is hereby granted, free of charge, to any person obtaining a copy
- # copyright notice and this permission notice appear in supporting
+ # of this software and associated documentation files (the "Software"), to
- # documentation, and that the name of M.I.T. not be used in advertising or
+ # deal in the Software without restriction, including without limitation the
- # publicity pertaining to distribution of the software without specific,
+ # rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
- # written prior permission.  M.I.T. makes no representations about the
+ # sell copies of the Software, and to permit persons to whom the Software is
- # suitability of this software for any purpose.  It is provided "as is"
+ # furnished to do so, subject to the following conditions:
- # without express or implied warranty.
+ #
+ # The above copyright notice and this permission notice shall be included in
+ # all copies or substantial portions of the Software.
+ #
+ # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
+ # X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ # AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNEC-
+ # TION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ #
+ # Except as contained in this notice, the name of the X Consortium shall not
+ # be used in advertising or otherwise to promote the sale, use or other deal-
+ # ings in this Software without prior written authorization from the X Consor-
+ # tium.
+ #
+ #
+ # FSF changes to this file are in the public domain.
  #
  # Calling this script install-sh is preferred over install.sh, to prevent
  # `make' implicit rules from creating a file called install from it
-Line 56 
 dir_arg=""
+Line 74 
 dir_arg=""
  while [ x"$1" != x ]; do
      case $1 in
-         -c) instcmd="$cpprog"
+         -c) instcmd=$cpprog
              shift
              continue;;
-Line 79 
 while [ x"$1" != x ]; do
+Line 97 
 while [ x"$1" != x ]; do
              shift
              continue;;
-         -s) stripcmd="$stripprog"
+         -s) stripcmd=$stripprog
              shift
              continue;;
-Line 106 
 done
+Line 124 
 done
  if [ x"$src" = x ]
  then
-         echo "install:  no input file specified"
+         echo "$0: no input file specified" >&2
          exit 1
  else
-         true
+         :
  fi
  if [ x"$dir_arg" != x ]; then
          dst=$src
          src=""
-         if [ -d $dst ]; then
+         if [ -d "$dst" ]; then
                  instcmd=:
                  chmodcmd=""
          else
-                 instcmd=mkdir
+                 instcmd=$mkdirprog
          fi
  else
  # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
  # might cause directories to be created, which would be especially bad
  # if $src (and thus $dsttmp) contains '*'.
-         if [ -f $src -o -d $src ]
+         if [ -f "$src" ] || [ -d "$src" ]
          then
-                 true
+                 :
          else
-                 echo "install:  $src does not exist"
+                 echo "$0: $src does not exist" >&2
                  exit 1
          fi
          if [ x"$dst" = x ]
          then
-                 echo "install:  no destination specified"
+                 echo "$0: no destination specified" >&2
                  exit 1
          else
-                 true
+                 :
          fi
  # If destination is a directory, append the input filename; if your system
  # does not like double slashes in filenames, you may need to add some logic
-         if [ -d $dst ]
+         if [ -d "$dst" ]
          then
-                 dst="$dst"/`basename $src`
+                 dst=$dst/`basename "$src"`
          else
-                 true
+                 :
          fi
  fi
  ## this sed command emulates the dirname command
- dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
+ dstdir=`echo "$dst" | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
  # Make sure that the destination directory exists.
  #  this part is taken from Noah Friedman's mkinstalldirs script
  # Skip lots of stat calls in the usual case.
  if [ ! -d "$dstdir" ]; then
  defaultIFS='
- '
+         '
- IFS="${IFS-${defaultIFS}}"
+ IFS="${IFS-$defaultIFS}"
- oIFS="${IFS}"
+ oIFS=$IFS
  # Some sh's can't handle IFS=/ for some reason.
  IFS='%'
- set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
+ set - `echo "$dstdir" | sed -e 's@/@%@g' -e 's@^%@/@'`
- IFS="${oIFS}"
+ IFS=$oIFS
  pathcomp=''
  while [ $# -ne 0 ] ; do
-         pathcomp="${pathcomp}${1}"
+         pathcomp=$pathcomp$1
          shift
-         if [ ! -d "${pathcomp}" ] ;
+         if [ ! -d "$pathcomp" ] ;
          then
-                 $mkdirprog "${pathcomp}"
+                 $mkdirprog "$pathcomp"
          else
-                 true
+                 :
          fi
-         pathcomp="${pathcomp}/"
+         pathcomp=$pathcomp/
  done
  fi
  if [ x"$dir_arg" != x ]
  then
-         $doit $instcmd $dst &&
+         $doit $instcmd "$dst" &&
-         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
+         if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dst"; else : ; fi &&
-         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
+         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dst"; else : ; fi &&
-         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
+         if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dst"; else : ; fi &&
-         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
+         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dst"; else : ; fi
  else
  # If we're going to rename the final executable, determine the name now.
          if [ x"$transformarg" = x ]
          then
-                 dstfile=`basename $dst`
+                 dstfile=`basename "$dst"`
          else
-                 dstfile=`basename $dst $transformbasename |
+                 dstfile=`basename "$dst" $transformbasename |
                          sed $transformarg`$transformbasename
          fi
  # don't allow the sed command to completely eliminate the filename
          if [ x"$dstfile" = x ]
          then
-                 dstfile=`basename $dst`
+                 dstfile=`basename "$dst"`
          else
-                 true
+                 :
          fi
- # Make a temp file name in the proper directory.
+ # Make a couple of temp file names in the proper directory.
-         dsttmp=$dstdir/#inst.$$#
+         dsttmp=$dstdir/_inst.$$_
+         rmtmp=$dstdir/_rm.$$_
- # Move or copy the file name to the temp name
+ # Trap to clean up temp files at exit.
-         $doit $instcmd $src $dsttmp &&
+         trap 'status=$?; rm -f "$dsttmp" "$rmtmp" && exit $status' 0
+         trap '(exit $?); exit' 1 2 13 15
+ # Move or copy the file name to the temp name
-         trap "rm -f ${dsttmp}" 0 &&
+         $doit $instcmd "$src" "$dsttmp" &&
  # and set any options; do chmod last to preserve setuid bits
-Line 235 
 else
+Line 257 
 else
  # ignore errors from any of these, just make sure not to ignore
  # errors from the above "$doit $instcmd $src $dsttmp" command.
-         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
+         if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp"; else :;fi &&
-         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
+         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp"; else :;fi &&
-         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
+         if [ x"$stripcmd" != x ]; then $doit $stripcmd "$dsttmp"; else :;fi &&
-         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
+         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; else :;fi &&
+ # Now remove or move aside any old file at destination location.  We try this
+ # two ways since rm can't unlink itself on some systems and the destination
+ # file might be busy for other reasons.  In this case, the final cleanup
+ # might fail but the new file should still install successfully.
+ {
+         if [ -f "$dstdir/$dstfile" ]
+         then
+                 $doit $rmcmd -f "$dstdir/$dstfile" 2>/dev/null ||
+                 $doit $mvcmd -f "$dstdir/$dstfile" "$rmtmp" 2>/dev/null ||
+                 {
+                   echo "$0: cannot unlink or rename $dstdir/$dstfile" >&2
+                   (exit 1); exit
+                 }
+         else
+                 :
+         fi
+ } &&
  # Now rename the file to the real destination.
-         $doit $rmcmd -f $dstdir/$dstfile &&
+         $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
-         $doit $mvcmd $dsttmp $dstdir/$dstfile
  fi &&
+ # The final little trick to "correctly" pass the exit status to the exit trap.
- exit 0
+ {
+         (exit 0); exit
+ }

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