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 $dst ]; then
 116                 instcmd=:
 117                 chmodcmd=""
 118         else
 119                 instcmd=mkdir
 120         fi
 121 else
 122
 123 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 124 # might cause directories to be created, which would be especially bad
 125 # if $src (and thus $dsttmp) contains '*'.
 126
 127         if [ -f $src -o -d $src ]
 128         then
 129                 true
 130         else
 131                 echo "install:  $src does not exist"
 132                 exit 1
 133         fi
 134
 135         if [ x"$dst" = x ]
 136         then
 137                 echo "install:  no destination specified"
 138                 exit 1
 139         else
 140                 true
 141         fi
 142
 143 # If destination is a directory, append the input filename; if your system
 144 # does not like double slashes in filenames, you may need to add some logic
 145
 146         if [ -d $dst ]
 147         then
 148                 dst="$dst"/`basename $src`
 149         else
 150                 true
 151         fi
 152 fi
 153
 154 ## this sed command emulates the dirname command
 155 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 156
 157 # Make sure that the destination directory exists.
 158 #  this part is taken from Noah Friedman's mkinstalldirs script
 159
 160 # Skip lots of stat calls in the usual case.
 161 if [ ! -d "$dstdir" ]; then
 162 defaultIFS='
 163 '
 164 IFS="${IFS-${defaultIFS}}"
 165
 166 oIFS="${IFS}"
 167 # Some sh's can't handle IFS=/ for some reason.
 168 IFS='%'
 169 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 170 IFS="${oIFS}"
 171
 172 pathcomp=''
 173
 174 while [ $# -ne 0 ] ; do
 175         pathcomp="${pathcomp}${1}"
 176         shift
 177
 178         if [ ! -d "${pathcomp}" ] ;
 179         then
 180                 $mkdirprog "${pathcomp}"
 181         else
 182                 true
 183         fi
 184
 185         pathcomp="${pathcomp}/"
 186 done
 187 fi
 188
 189 if [ x"$dir_arg" != x ]
 190 then
 191         $doit $instcmd $dst &&
 192
 193         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
 194         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
 195         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
 196         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
 197 else
 198
 199 # If we're going to rename the final executable, determine the name now.
 200
 201         if [ x"$transformarg" = x ]
 202         then
 203                 dstfile=`basename $dst`
 204         else
 205                 dstfile=`basename $dst $transformbasename |
 206                         sed $transformarg`$transformbasename
 207         fi
 208
 209 # don't allow the sed command to completely eliminate the filename
 210
 211         if [ x"$dstfile" = x ]
 212         then
 213                 dstfile=`basename $dst`
 214         else
 215                 true
 216         fi
 217
 218 # Make a temp file name in the proper directory.
 219
 220         dsttmp=$dstdir/#inst.$$#
 221
 222 # Move or copy the file name to the temp name
 223
 224         $doit $instcmd $src $dsttmp &&
 225
 226         trap "rm -f ${dsttmp}" 0 &&
 227
 228 # and set any options; do chmod last to preserve setuid bits
 229
 230 # If any of these fail, we abort the whole thing.  If we want to
 231 # ignore errors from any of these, just make sure not to ignore
 232 # errors from the above "$doit $instcmd $src $dsttmp" command.
 233
 234         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
 235         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
 236         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
 237         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
 238
 239 # Now rename the file to the real destination.
 240
 241         $doit $rmcmd -f $dstdir/$dstfile &&
 242         $doit $mvcmd $dsttmp $dstdir/$dstfile
 243
 244 fi &&
 245
 246
 247 exit 0