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    1 #!/bin/sh
    2 #
    3 # install - install a program, script, or datafile
    4 # This comes from X11R5 (mit/util/scripts/install.sh).
    5 #
    6 # Copyright 1991 by the Massachusetts Institute of Technology
    7 #
    8 # Permission to use, copy, modify, distribute, and sell this software and its
    9 # documentation for any purpose is hereby granted without fee, provided that
   10 # the above copyright notice appear in all copies and that both that
   11 # copyright notice and this permission notice appear in supporting
   12 # documentation, and that the name of M.I.T. not be used in advertising or
   13 # publicity pertaining to distribution of the software without specific,
   14 # written prior permission.  M.I.T. makes no representations about the
   15 # suitability of this software for any purpose.  It is provided "as is"
   16 # without express or implied warranty.
   17 #
   18 # Calling this script install-sh is preferred over install.sh, to prevent
   19 # `make' implicit rules from creating a file called install from it
   20 # when there is no Makefile.
   21 #
   22 # This script is compatible with the BSD install script, but was written
   23 # from scratch.  It can only install one file at a time, a restriction
   24 # shared with many OS's install programs.
   25 
   26 
   27 # set DOITPROG to echo to test this script
   28 
   29 # Don't use :- since 4.3BSD and earlier shells don't like it.
   30 doit="${DOITPROG-}"
   31 
   32 
   33 # put in absolute paths if you don't have them in your path; or use env. vars.
   34 
   35 mvprog="${MVPROG-mv}"
   36 cpprog="${CPPROG-cp}"
   37 chmodprog="${CHMODPROG-chmod}"
   38 chownprog="${CHOWNPROG-chown}"
   39 chgrpprog="${CHGRPPROG-chgrp}"
   40 stripprog="${STRIPPROG-strip}"
   41 rmprog="${RMPROG-rm}"
   42 mkdirprog="${MKDIRPROG-mkdir}"
   43 
   44 transformbasename=""
   45 transform_arg=""
   46 instcmd="$mvprog"
   47 chmodcmd="$chmodprog 0755"
   48 chowncmd=""
   49 chgrpcmd=""
   50 stripcmd=""
   51 rmcmd="$rmprog -f"
   52 mvcmd="$mvprog"
   53 src=""
   54 dst=""
   55 dir_arg=""
   56 
   57 while [ x"$1" != x ]; do
   58     case $1 in
   59     -c) instcmd="$cpprog"
   60         shift
   61         continue;;
   62 
   63     -d) dir_arg=true
   64         shift
   65         continue;;
   66 
   67     -m) chmodcmd="$chmodprog $2"
   68         shift
   69         shift
   70         continue;;
   71 
   72     -o) chowncmd="$chownprog $2"
   73         shift
   74         shift
   75         continue;;
   76 
   77     -g) chgrpcmd="$chgrpprog $2"
   78         shift
   79         shift
   80         continue;;
   81 
   82     -s) stripcmd="$stripprog"
   83         shift
   84         continue;;
   85 
   86     -t=*) transformarg=`echo $1 | sed 's/-t=//'`
   87         shift
   88         continue;;
   89 
   90     -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
   91         shift
   92         continue;;
   93 
   94     *)  if [ x"$src" = x ]
   95         then
   96         src=$1
   97         else
   98         # this colon is to work around a 386BSD /bin/sh bug
   99         :
  100         dst=$1
  101         fi
  102         shift
  103         continue;;
  104     esac
  105 done
  106 
  107 if [ x"$src" = x ]
  108 then
  109     echo "install:  no input file specified"
  110     exit 1
  111 else
  112     true
  113 fi
  114 
  115 if [ x"$dir_arg" != x ]; then
  116     dst=$src
  117     src=""
  118     
  119     if [ -d $dst ]; then
  120         instcmd=:
  121         chmodcmd=""
  122     else
  123         instcmd=mkdir
  124     fi
  125 else
  126 
  127 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
  128 # might cause directories to be created, which would be especially bad 
  129 # if $src (and thus $dsttmp) contains '*'.
  130 
  131     if [ -f $src -o -d $src ]
  132     then
  133         true
  134     else
  135         echo "install:  $src does not exist"
  136         exit 1
  137     fi
  138     
  139     if [ x"$dst" = x ]
  140     then
  141         echo "install:  no destination specified"
  142         exit 1
  143     else
  144         true
  145     fi
  146 
  147 # If destination is a directory, append the input filename; if your system
  148 # does not like double slashes in filenames, you may need to add some logic
  149 
  150     if [ -d $dst ]
  151     then
  152         dst="$dst"/`basename $src`
  153     else
  154         true
  155     fi
  156 fi
  157 
  158 ## this sed command emulates the dirname command
  159 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
  160 
  161 # Make sure that the destination directory exists.
  162 #  this part is taken from Noah Friedman's mkinstalldirs script
  163 
  164 # Skip lots of stat calls in the usual case.
  165 if [ ! -d "$dstdir" ]; then
  166 defaultIFS='    
  167 '
  168 IFS="${IFS-${defaultIFS}}"
  169 
  170 oIFS="${IFS}"
  171 # Some sh's can't handle IFS=/ for some reason.
  172 IFS='%'
  173 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
  174 IFS="${oIFS}"
  175 
  176 pathcomp=''
  177 
  178 while [ $# -ne 0 ] ; do
  179     pathcomp="${pathcomp}${1}"
  180     shift
  181 
  182     if [ ! -d "${pathcomp}" ] ;
  183         then
  184         $mkdirprog "${pathcomp}"
  185     else
  186         true
  187     fi
  188 
  189     pathcomp="${pathcomp}/"
  190 done
  191 fi
  192 
  193 if [ x"$dir_arg" != x ]
  194 then
  195     $doit $instcmd $dst &&
  196 
  197     if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
  198     if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
  199     if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
  200     if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
  201 else
  202 
  203 # If we're going to rename the final executable, determine the name now.
  204 
  205     if [ x"$transformarg" = x ] 
  206     then
  207         dstfile=`basename $dst`
  208     else
  209         dstfile=`basename $dst $transformbasename | 
  210             sed $transformarg`$transformbasename
  211     fi
  212 
  213 # don't allow the sed command to completely eliminate the filename
  214 
  215     if [ x"$dstfile" = x ] 
  216     then
  217         dstfile=`basename $dst`
  218     else
  219         true
  220     fi
  221 
  222 # Make a temp file name in the proper directory.
  223 
  224     dsttmp=$dstdir/#inst.$$#
  225 
  226 # Move or copy the file name to the temp name
  227 
  228     $doit $instcmd $src $dsttmp &&
  229 
  230     trap "rm -f ${dsttmp}" 0 &&
  231 
  232 # and set any options; do chmod last to preserve setuid bits
  233 
  234 # If any of these fail, we abort the whole thing.  If we want to
  235 # ignore errors from any of these, just make sure not to ignore
  236 # errors from the above "$doit $instcmd $src $dsttmp" command.
  237 
  238     if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
  239     if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
  240     if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
  241     if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
  242 
  243 # Now rename the file to the real destination.
  244 
  245     $doit $rmcmd -f $dstdir/$dstfile &&
  246     $doit $mvcmd $dsttmp $dstdir/$dstfile 
  247 
  248 fi &&
  249 
  250 
  251 exit 0