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         else
 135                 instcmd=mkdir
 136         fi
 137 else
 138
 139 # CYGNUS LOCAL noer
 140 # Win32-based gcc automatically appends .exe to produced executables,
 141 # whether asked for or not.  This breaks installs.  The following
 142 # changes the value of $src to $src.exe if $src is missing
 143
 144         if [ -f $src ]
 145         then
 146                 true
 147         elif [ -f $src.exe ]
 148         then
 149                 echo "install:  $src does not exist, trying with .exe appended"
 150                 src="$src".exe
 151         fi
 152
 153 # end CYGNUS LOCAL noer
 154
 155 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 156 # might cause directories to be created, which would be especially bad
 157 # if $src (and thus $dsttmp) contains '*'.
 158
 159         if [ -f $src -o -d $src ]
 160         then
 161                 true
 162         else
 163                 echo "install:  $src does not exist"
 164                 exit 1
 165         fi
 166
 167         if [ x"$dst" = x ]
 168         then
 169                 echo "install:  no destination specified"
 170                 exit 1
 171         else
 172                 true
 173         fi
 174
 175 # If destination is a directory, append the input filename; if your system
 176 # does not like double slashes in filenames, you may need to add some logic
 177
 178         if [ -d $dst ]
 179         then
 180                 dst="$dst"/`basename $src`
 181         else
 182                 true
 183         fi
 184
 185         # CYGNUS LOCAL: Use exeext
 186         case "`basename $dst`" in
 187             *.*) ;;
 188             *) dst="$dst$exeext" ;;
 189         esac
 190         # END CYGNUS LOCAL
 191 fi
 192
 193 ## this sed command emulates the dirname command
 194 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 195
 196 # Make sure that the destination directory exists.
 197 #  this part is taken from Noah Friedman's mkinstalldirs script
 198
 199 # Skip lots of stat calls in the usual case.
 200 if [ ! -d "$dstdir" ]; then
 201 defaultIFS='
 202 '
 203 IFS="${IFS-${defaultIFS}}"
 204
 205 oIFS="${IFS}"
 206 # Some sh's can't handle IFS=/ for some reason.
 207 IFS='%'
 208 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 209 IFS="${oIFS}"
 210
 211 pathcomp=''
 212
 213 while [ $# -ne 0 ] ; do
 214         pathcomp="${pathcomp}${1}"
 215         shift
 216
 217         if [ ! -d "${pathcomp}" ] ;
 218         then
 219                 $mkdirprog "${pathcomp}"
 220         else
 221                 true
 222         fi
 223
 224         pathcomp="${pathcomp}/"
 225 done
 226 fi
 227
 228 if [ x"$dir_arg" != x ]
 229 then
 230         $doit $instcmd $dst &&
 231
 232         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
 233         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
 234         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
 235         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
 236 else
 237
 238 # If we're going to rename the final executable, determine the name now.
 239
 240         if [ x"$transformarg" = x ]
 241         then
 242                 dstfile=`basename $dst`
 243         else
 244                 dstfile=`basename $dst $transformbasename |
 245                         sed $transformarg`$transformbasename
 246         fi
 247
 248 # don't allow the sed command to completely eliminate the filename
 249
 250         if [ x"$dstfile" = x ]
 251         then
 252                 dstfile=`basename $dst`
 253         else
 254                 true
 255         fi
 256
 257 # Make a temp file name in the proper directory.
 258
 259         dsttmp=$dstdir/#inst.$$#
 260
 261 # Move or copy the file name to the temp name
 262
 263         $doit $instcmd $src $dsttmp &&
 264
 265         trap "rm -f ${dsttmp}" 0 &&
 266
 267 # and set any options; do chmod last to preserve setuid bits
 268
 269 # If any of these fail, we abort the whole thing.  If we want to
 270 # ignore errors from any of these, just make sure not to ignore
 271 # errors from the above "$doit $instcmd $src $dsttmp" command.
 272
 273         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
 274         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
 275         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
 276         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
 277
 278 # Now rename the file to the real destination.
 279
 280         $doit $rmcmd -f $dstdir/$dstfile &&
 281         $doit $mvcmd $dsttmp $dstdir/$dstfile
 282
 283 fi &&
 284
 285
 286 exit 0