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 # 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 # CYGNUS LOCAL: exeext variable
  57 exeext=""
  58 # END CYGNUS LOCAL
  59
  60 while [ x"$1" != x ]; do
  61     case $1 in
  62         -c) instcmd="$cpprog"
  63             shift
  64             continue;;
  65
  66         -d) dir_arg=true
  67             shift
  68             continue;;
  69
  70         -m) chmodcmd="$chmodprog $2"
  71             shift
  72             shift
  73             continue;;
  74
  75         -o) chowncmd="$chownprog $2"
  76             shift
  77             shift
  78             continue;;
  79
  80         -g) chgrpcmd="$chgrpprog $2"
  81             shift
  82             shift
  83             continue;;
  84
  85         -s) stripcmd="$stripprog"
  86             shift
  87             continue;;
  88
  89         -t=*) transformarg=`echo $1 | sed 's/-t=//'`
  90             shift
  91             continue;;
  92
  93         -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  94             shift
  95             continue;;
  96
  97         # CYGNUS LOCAL: -x option
  98         -x=*) exeext=`echo $1 | sed 's/-x=//'`
  99             shift
 100             continue;;
 101
 102         -x) exeext=".exe"
 103             shift
 104             continue;;
 105         # END CYGNUS LOCAL
 106
 107         *)  if [ x"$src" = x ]
 108             then
 109                 src=$1
 110             else
 111                 # this colon is to work around a 386BSD /bin/sh bug
 112                 :
 113                 dst=$1
 114             fi
 115             shift
 116             continue;;
 117     esac
 118 done
 119
 120 if [ x"$src" = x ]
 121 then
 122         echo "install:  no input file specified"
 123         exit 1
 124 else
 125         true
 126 fi
 127
 128 if [ x"$dir_arg" != x ]; then
 129         dst=$src
 130         src=""
 131
 132         if [ -d $dst ]; then
 133                 instcmd=:
 134                 chmodcmd=""
 135         else
 136                 instcmd=mkdir
 137         fi
 138 else
 139
 140 # CYGNUS LOCAL noer
 141 # Win32-based gcc automatically appends .exe to produced executables,
 142 # whether asked for or not.  This breaks installs.  The following
 143 # changes the value of $src to $src.exe if $src is missing
 144
 145         if [ -f $src ]
 146         then
 147                 true
 148         elif [ -f $src.exe ]
 149         then
 150                 echo "install:  $src does not exist, trying with .exe appended"
 151                 src="$src".exe
 152         fi
 153
 154 # end CYGNUS LOCAL noer
 155
 156 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 157 # might cause directories to be created, which would be especially bad
 158 # if $src (and thus $dsttmp) contains '*'.
 159
 160         if [ -f $src -o -d $src ]
 161         then
 162                 true
 163         else
 164                 echo "install:  $src does not exist"
 165                 exit 1
 166         fi
 167
 168         if [ x"$dst" = x ]
 169         then
 170                 echo "install:  no destination specified"
 171                 exit 1
 172         else
 173                 true
 174         fi
 175
 176 # If destination is a directory, append the input filename; if your system
 177 # does not like double slashes in filenames, you may need to add some logic
 178
 179         if [ -d $dst ]
 180         then
 181                 dst="$dst"/`basename $src`
 182         else
 183                 true
 184         fi
 185
 186         # CYGNUS LOCAL: Use exeext
 187         case "`basename $dst`" in
 188             *.*) ;;
 189             *) dst="$dst$exeext" ;;
 190         esac
 191         # END CYGNUS LOCAL
 192 fi
 193
 194 ## this sed command emulates the dirname command
 195 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 196
 197 # Make sure that the destination directory exists.
 198 #  this part is taken from Noah Friedman's mkinstalldirs script
 199
 200 # Skip lots of stat calls in the usual case.
 201 if [ ! -d "$dstdir" ]; then
 202 defaultIFS='
 203 '
 204 IFS="${IFS-${defaultIFS}}"
 205
 206 oIFS="${IFS}"
 207 # Some sh's can't handle IFS=/ for some reason.
 208 IFS='%'
 209 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 210 IFS="${oIFS}"
 211
 212 pathcomp=''
 213
 214 while [ $# -ne 0 ] ; do
 215         pathcomp="${pathcomp}${1}"
 216         shift
 217
 218         if [ ! -d "${pathcomp}" ] ;
 219         then
 220                 $mkdirprog "${pathcomp}"
 221         else
 222                 true
 223         fi
 224
 225         pathcomp="${pathcomp}/"
 226 done
 227 fi
 228
 229 if [ x"$dir_arg" != x ]
 230 then
 231         $doit $instcmd $dst &&
 232
 233         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
 234         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
 235         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
 236         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
 237 else
 238
 239 # If we're going to rename the final executable, determine the name now.
 240
 241         if [ x"$transformarg" = x ]
 242         then
 243                 dstfile=`basename $dst`
 244         else
 245                 dstfile=`basename $dst $transformbasename |
 246                         sed $transformarg`$transformbasename
 247         fi
 248
 249 # don't allow the sed command to completely eliminate the filename
 250
 251         if [ x"$dstfile" = x ]
 252         then
 253                 dstfile=`basename $dst`
 254         else
 255                 true
 256         fi
 257
 258 # Make a temp file name in the proper directory.
 259
 260         dsttmp=$dstdir/#inst.$$#
 261
 262 # Move or copy the file name to the temp name
 263
 264         $doit $instcmd $src $dsttmp &&
 265
 266         trap "rm -f ${dsttmp}" 0 &&
 267
 268 # and set any options; do chmod last to preserve setuid bits
 269
 270 # If any of these fail, we abort the whole thing.  If we want to
 271 # ignore errors from any of these, just make sure not to ignore
 272 # errors from the above "$doit $instcmd $src $dsttmp" command.
 273
 274         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
 275         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
 276         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
 277         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
 278
 279 # Now rename the file to the real destination.
 280
 281         $doit $rmcmd -f $dstdir/$dstfile &&
 282         $doit $mvcmd $dsttmp $dstdir/$dstfile
 283
 284 fi &&
 285
 286
 287 exit 0