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 # Library stripping changes Copyright 2008 by Apple Inc.
   7 # Copyright 1991 by the Massachusetts Institute of Technology
   8 #
   9 # Permission to use, copy, modify, distribute, and sell this software and its
  10 # documentation for any purpose is hereby granted without fee, provided that
  11 # the above copyright notice appear in all copies and that both that
  12 # copyright notice and this permission notice appear in supporting
  13 # documentation, and that the name of M.I.T. not be used in advertising or
  14 # publicity pertaining to distribution of the software without specific,
  15 # written prior permission.  M.I.T. makes no representations about the
  16 # suitability of this software for any purpose.  It is provided "as is"
  17 # without express or implied warranty.
  18 #
  19 # Calling this script install-sh is preferred over install.sh, to prevent
  20 # `make' implicit rules from creating a file called install from it
  21 # when there is no Makefile.
  22 #
  23 # This script is compatible with the BSD install script, but was written
  24 # from scratch.  It can only install one file at a time, a restriction
  25 # shared with many OS's install programs.
  26
  27
  28 # set DOITPROG to echo to test this script
  29
  30 # Don't use :- since 4.3BSD and earlier shells don't like it.
  31 doit="${DOITPROG-}"
  32
  33
  34 # put in absolute paths if you don't have them in your path; or use env. vars.
  35
  36 mvprog="${MVPROG-mv}"
  37 cpprog="${CPPROG-cp}"
  38 chmodprog="${CHMODPROG-chmod}"
  39 chownprog="${CHOWNPROG-chown}"
  40 chgrpprog="${CHGRPPROG-chgrp}"
  41 stripprog="${STRIPPROG-strip}"
  42 rmprog="${RMPROG-rm}"
  43 mkdirprog="${MKDIRPROG-mkdir}"
  44
  45 transformbasename=""
  46 transform_arg=""
  47 instcmd="$mvprog"
  48 chmodcmd="$chmodprog 0755"
  49 chowncmd=""
  50 chgrpcmd=""
  51 stripcmd=""
  52 rmcmd="$rmprog -f"
  53 mvcmd="$mvprog"
  54 src=""
  55 dst=""
  56 dir_arg=""
  57
  58 while [ x"$1" != x ]; do
  59     case $1 in
  60         -c) instcmd="$cpprog"
  61             shift
  62             continue;;
  63
  64         -d) dir_arg=true
  65             shift
  66             continue;;
  67
  68         -m) chmodcmd="$chmodprog $2"
  69             shift
  70             shift
  71             continue;;
  72
  73         -o) chowncmd="$chownprog $2"
  74             shift
  75             shift
  76             continue;;
  77
  78         -g) chgrpcmd="$chgrpprog $2"
  79             shift
  80             shift
  81             continue;;
  82
  83         -s) stripcmd="$stripprog"
  84             shift
  85             continue;;
  86
  87         -t=*) transformarg=`echo $1 | sed 's/-t=//'`
  88             shift
  89             continue;;
  90
  91         -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  92             shift
  93             continue;;
  94
  95         *)  if [ x"$src" = x ]
  96             then
  97                 src=$1
  98             else
  99                 # this colon is to work around a 386BSD /bin/sh bug
 100                 :
 101                 dst=$1
 102             fi
 103             shift
 104             continue;;
 105     esac
 106 done
 107
 108 if [ x"$src" = x ]
 109 then
 110         echo "install:  no input file specified"
 111         exit 1
 112 else
 113         :
 114 fi
 115
 116 if [ x"$dir_arg" != x ]; then
 117         dst=$src
 118         src=""
 119
 120         if [ -d $dst ]; then
 121                 instcmd=:
 122                 chmodcmd=""
 123         else
 124                 instcmd=$mkdirprog
 125         fi
 126 else
 127
 128 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 129 # might cause directories to be created, which would be especially bad
 130 # if $src (and thus $dsttmp) contains '*'.
 131
 132         if [ -f $src -o -d $src ]
 133         then
 134                 :
 135         else
 136                 echo "install:  $src does not exist"
 137                 exit 1
 138         fi
 139
 140         if [ x"$dst" = x ]
 141         then
 142                 echo "install:  no destination specified"
 143                 exit 1
 144         else
 145                 :
 146         fi
 147
 148 # If destination is a directory, append the input filename; if your system
 149 # does not like double slashes in filenames, you may need to add some logic
 150
 151         if [ -d $dst ]
 152         then
 153                 dst="$dst"/`basename $src`
 154         else
 155                 :
 156         fi
 157 fi
 158
 159 ## this sed command emulates the dirname command
 160 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 161
 162 # Make sure that the destination directory exists.
 163 #  this part is taken from Noah Friedman's mkinstalldirs script
 164
 165 # Skip lots of stat calls in the usual case.
 166 if [ ! -d "$dstdir" ]; then
 167 defaultIFS='
 168         '
 169 IFS="${IFS-${defaultIFS}}"
 170
 171 oIFS="${IFS}"
 172 # Some sh's can't handle IFS=/ for some reason.
 173 IFS='%'
 174 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 175 IFS="${oIFS}"
 176
 177 pathcomp=''
 178
 179 while [ $# -ne 0 ] ; do
 180         pathcomp="${pathcomp}${1}"
 181         shift
 182
 183         if [ ! -d "${pathcomp}" ] ;
 184         then
 185                 $mkdirprog "${pathcomp}" &&
 186                 if [ x"$chowncmd" != x ]; then $doit $chowncmd "$pathcomp"; else : ; fi &&
 187                 if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$pathcomp"; else : ; fi
 188         else
 189                 :
 190         fi
 191
 192         pathcomp="${pathcomp}/"
 193 done
 194 fi
 195
 196 if [ x"$dir_arg" != x ]
 197 then
 198         $doit $instcmd $dst &&
 199
 200         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else : ; fi &&
 201         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else : ; fi &&
 202         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else : ; fi
 203 else
 204
 205 # If we're going to rename the final executable, determine the name now.
 206
 207         if [ x"$transformarg" = x ]
 208         then
 209                 dstfile=`basename $dst`
 210         else
 211                 dstfile=`basename $dst $transformbasename |
 212                         sed $transformarg`$transformbasename
 213         fi
 214
 215 # don't allow the sed command to completely eliminate the filename
 216
 217         if [ x"$dstfile" = x ]
 218         then
 219                 dstfile=`basename $dst`
 220         else
 221                 :
 222         fi
 223
 224 # Check the destination file - for libraries just use the "-x" option to strip
 225         case "$dstfile" in
 226                 *.a | *.dylib | *.sl | *.sl.* | *.so | *.so.*)
 227                         stripopt="-x"
 228                         ;;
 229                 *)
 230                         stripopt=""
 231                         ;;
 232         esac
 233
 234 # Make a temp file name in the proper directory.
 235
 236         dsttmp=$dstdir/#inst.$$#
 237
 238 # Move or copy the file name to the temp name
 239
 240         $doit $instcmd $src $dsttmp &&
 241
 242         trap "rm -f ${dsttmp}" 0 &&
 243
 244 # and set any options; do chmod last to preserve setuid bits
 245
 246 # If any of these fail, we abort the whole thing.  If we want to
 247 # ignore errors from any of these, just make sure not to ignore
 248 # errors from the above "$doit $instcmd $src $dsttmp" command.
 249
 250         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else :;fi &&
 251         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else :;fi &&
 252         if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripopt $dsttmp; else :;fi &&
 253         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else :;fi &&
 254
 255 # Now rename the file to the real destination.
 256
 257         $doit $rmcmd -f $dstdir/$dstfile &&
 258         $doit $mvcmd $dsttmp $dstdir/$dstfile
 259
 260 fi &&
 261
 262
 263 exit 0