libffi/install-sh

   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 # This script is compatible with the BSD install script, but was written
  19 # from scratch.
  20 #
  21
  22
  23 # set DOITPROG to echo to test this script
  24
  25 # Don't use :- since 4.3BSD and earlier shells don't like it.
  26 doit="${DOITPROG-}"
  27
  28
  29 # put in absolute paths if you don't have them in your path; or use env. vars.
  30
  31 mvprog="${MVPROG-mv}"
  32 cpprog="${CPPROG-cp}"
  33 chmodprog="${CHMODPROG-chmod}"
  34 chownprog="${CHOWNPROG-chown}"
  35 chgrpprog="${CHGRPPROG-chgrp}"
  36 stripprog="${STRIPPROG-strip}"
  37 rmprog="${RMPROG-rm}"
  38 mkdirprog="${MKDIRPROG-mkdir}"
  39
  40 transformbasename=""
  41 transform_arg=""
  42 instcmd="$mvprog"
  43 chmodcmd="$chmodprog 0755"
  44 chowncmd=""
  45 chgrpcmd=""
  46 stripcmd=""
  47 rmcmd="$rmprog -f"
  48 mvcmd="$mvprog"
  49 src=""
  50 dst=""
  51 dir_arg=""
  52
  53 while [ x"$1" != x ]; do
  54     case $1 in
  55         -c) instcmd="$cpprog"
  56             shift
  57             continue;;
  58
  59         -d) dir_arg=true
  60             shift
  61             continue;;
  62
  63         -m) chmodcmd="$chmodprog $2"
  64             shift
  65             shift
  66             continue;;
  67
  68         -o) chowncmd="$chownprog $2"
  69             shift
  70             shift
  71             continue;;
  72
  73         -g) chgrpcmd="$chgrpprog $2"
  74             shift
  75             shift
  76             continue;;
  77
  78         -s) stripcmd="$stripprog"
  79             shift
  80             continue;;
  81
  82         -t=*) transformarg=`echo $1 | sed 's/-t=//'`
  83             shift
  84             continue;;
  85
  86         -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  87             shift
  88             continue;;
  89
  90         *)  if [ x"$src" = x ]
  91             then
  92                 src=$1
  93             else
  94                 # this colon is to work around a 386BSD /bin/sh bug
  95                 :
  96                 dst=$1
  97             fi
  98             shift
  99             continue;;
 100     esac
 101 done
 102
 103 if [ x"$src" = x ]
 104 then
 105         echo "install:  no input file specified"
 106         exit 1
 107 else
 108         true
 109 fi
 110
 111 if [ x"$dir_arg" != x ]; then
 112         dst=$src
 113         src=""
 114
 115         if [ -d $dst ]; then
 116                 instcmd=:
 117         else
 118                 instcmd=mkdir
 119         fi
 120 else
 121
 122 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 123 # might cause directories to be created, which would be especially bad
 124 # if $src (and thus $dsttmp) contains '*'.
 125
 126         if [ -f $src -o -d $src ]
 127         then
 128                 true
 129         else
 130                 echo "install:  $src does not exist"
 131                 exit 1
 132         fi
 133
 134         if [ x"$dst" = x ]
 135         then
 136                 echo "install:  no destination specified"
 137                 exit 1
 138         else
 139                 true
 140         fi
 141
 142 # If destination is a directory, append the input filename; if your system
 143 # does not like double slashes in filenames, you may need to add some logic
 144
 145         if [ -d $dst ]
 146         then
 147                 dst="$dst"/`basename $src`
 148         else
 149                 true
 150         fi
 151 fi
 152
 153 ## this sed command emulates the dirname command
 154 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 155
 156 # Make sure that the destination directory exists.
 157 #  this part is taken from Noah Friedman's mkinstalldirs script
 158
 159 # Skip lots of stat calls in the usual case.
 160 if [ ! -d "$dstdir" ]; then
 161 defaultIFS='
 162 '
 163 IFS="${IFS-${defaultIFS}}"
 164
 165 oIFS="${IFS}"
 166 # Some sh's can't handle IFS=/ for some reason.
 167 IFS='%'
 168 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 169 IFS="${oIFS}"
 170
 171 pathcomp=''
 172
 173 while [ $# -ne 0 ] ; do
 174         pathcomp="${pathcomp}${1}"
 175         shift
 176
 177         if [ ! -d "${pathcomp}" ] ;
 178         then
 179                 $mkdirprog "${pathcomp}"
 180         else
 181                 true
 182         fi
 183
 184         pathcomp="${pathcomp}/"
 185 done
 186 fi
 187
 188 if [ x"$dir_arg" != x ]
 189 then
 190         $doit $instcmd $dst &&
 191
 192         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
 193         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
 194         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
 195         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
 196 else
 197
 198 # If we're going to rename the final executable, determine the name now.
 199
 200         if [ x"$transformarg" = x ]
 201         then
 202                 dstfile=`basename $dst`
 203         else
 204                 dstfile=`basename $dst $transformbasename |
 205                         sed $transformarg`$transformbasename
 206         fi
 207
 208 # don't allow the sed command to completely eliminate the filename
 209
 210         if [ x"$dstfile" = x ]
 211         then
 212                 dstfile=`basename $dst`
 213         else
 214                 true
 215         fi
 216
 217 # Make a temp file name in the proper directory.
 218
 219         dsttmp=$dstdir/#inst.$$#
 220
 221 # Move or copy the file name to the temp name
 222
 223         $doit $instcmd $src $dsttmp &&
 224
 225         trap "rm -f ${dsttmp}" 0 &&
 226
 227 # and set any options; do chmod last to preserve setuid bits
 228
 229 # If any of these fail, we abort the whole thing.  If we want to
 230 # ignore errors from any of these, just make sure not to ignore
 231 # errors from the above "$doit $instcmd $src $dsttmp" command.
 232
 233         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
 234         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
 235         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
 236         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
 237
 238 # Now rename the file to the real destination.
 239
 240         $doit $rmcmd -f $dstdir/$dstfile &&
 241         $doit $mvcmd $dsttmp $dstdir/$dstfile
 242
 243 fi &&
 244
 245
 246 exit 0