install-sh

   1 #!/bin/sh
   2 #
   3 # "$Id$"
   4 #
   5 # Install a program, script, or datafile.
   6 #
   7 # Copyright 2008-2009 by Apple Inc.
   8 #
   9 # This script is not compatible with BSD (or any other) install program, as it
  10 # allows owner and group changes to fail with a warning and makes sure that the
  11 # destination directory permissions are as specified - BSD install and the
  12 # original X11 install script did not change permissions of existing
  13 # directories.  It also does not support the transform options since CUPS does
  14 # not use them...
  15 #
  16 # Original script from X11R5 (mit/util/scripts/install.sh)
  17 # Copyright 1991 by the Massachusetts Institute of Technology
  18 #
  19 # Permission to use, copy, modify, distribute, and sell this software and its
  20 # documentation for any purpose is hereby granted without fee, provided that
  21 # the above copyright notice appear in all copies and that both that
  22 # copyright notice and this permission notice appear in supporting
  23 # documentation, and that the name of M.I.T. not be used in advertising or
  24 # publicity pertaining to distribution of the software without specific,
  25 # written prior permission.  M.I.T. makes no representations about the
  26 # suitability of this software for any purpose.  It is provided "as is"
  27 # without express or implied warranty.
  28 #
  29 # Calling this script install-sh is preferred over install.sh, to prevent
  30 # `make' implicit rules from creating a file called install from it
  31 # when there is no Makefile.
  32
  33 # set DOITPROG to echo to test this script
  34 # Don't use :- since 4.3BSD and earlier shells don't like it.
  35 doit="${DOITPROG-}"
  36
  37 # Force umask to 022...
  38 umask 022
  39
  40 # put in absolute paths if you don't have them in your path; or use env. vars.
  41 mvprog="${MVPROG-mv}"
  42 cpprog="${CPPROG-cp}"
  43 chmodprog="${CHMODPROG-chmod}"
  44 chownprog="${CHOWNPROG-chown}"
  45 chgrpprog="${CHGRPPROG-chgrp}"
  46 stripprog="${STRIPPROG-strip}"
  47 rmprog="${RMPROG-rm}"
  48 mkdirprog="${MKDIRPROG-mkdir}"
  49
  50 transformbasename=""
  51 transform_arg=""
  52 instcmd="$mvprog"
  53 chmodcmd="$chmodprog 0755"
  54 chowncmd=""
  55 chgrpcmd=""
  56 stripcmd=""
  57 rmcmd="$rmprog -f"
  58 mvcmd="$mvprog"
  59 src=""
  60 dst=""
  61 dir_arg=""
  62
  63 while [ x"$1" != x ]; do
  64         case $1 in
  65                 -c)
  66                 instcmd="$cpprog"
  67                 shift
  68                 continue
  69                 ;;
  70
  71                 -d)
  72                 dir_arg=true
  73                 shift
  74                 continue
  75                 ;;
  76
  77                 -m)
  78                 chmodcmd="$chmodprog $2"
  79                 shift
  80                 shift
  81                 continue
  82                 ;;
  83
  84                 -o)
  85                 chowncmd="$chownprog $2"
  86                 shift
  87                 shift
  88                 continue
  89                 ;;
  90
  91                 -g)
  92                 chgrpcmd="$chgrpprog $2"
  93                 shift
  94                 shift
  95                 continue
  96                 ;;
  97
  98                 -s)
  99                 stripcmd="$stripprog"
 100                 shift
 101                 continue
 102                 ;;
 103
 104                 *)
 105                 if [ x"$src" = x ]; then
 106                         src="$1"
 107                 else
 108                         dst="$1"
 109                 fi
 110                 shift
 111                 continue
 112                 ;;
 113         esac
 114 done
 115
 116 if [ x"$src" = x ]; then
 117         echo "install-sh: No input file specified"
 118         exit 1
 119 fi
 120
 121 if [ x"$dir_arg" != x ]; then
 122         dst="$src"
 123         src=""
 124
 125         if [ -d "$dst" ]; then
 126                 instcmd=:
 127         else
 128                 instcmd=$mkdirprog
 129         fi
 130 else
 131         # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 132         # might cause directories to be created, which would be especially bad
 133         # if $src (and thus $dsttmp) contains '*'.
 134         if [ ! -f "$src" -a ! -d "$src" ]; then
 135                 echo "install: $src does not exist"
 136                 exit 1
 137         fi
 138
 139         if [ x"$dst" = x ]; then
 140                 echo "install: No destination specified"
 141                 exit 1
 142         fi
 143
 144         # If destination is a directory, append the input filename.
 145         if [ -d "$dst" ]; then
 146                 dst="$dst/`basename $src`"
 147         fi
 148 fi
 149
 150 ## this sed command emulates the dirname command
 151 dstdir="`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`"
 152
 153 # Make sure that the destination directory exists.
 154 # This part is taken from Noah Friedman's mkinstalldirs script
 155
 156 # Skip lots of stat calls in the usual case.
 157 if [ ! -d "$dstdir" ]; then
 158         defaultIFS='
 159         '
 160         IFS="${IFS-${defaultIFS}}"
 161
 162         oIFS="${IFS}"
 163         # Some sh's can't handle IFS=/ for some reason.
 164         IFS='%'
 165         set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 166         IFS="${oIFS}"
 167
 168         pathcomp=''
 169
 170         while [ $# -ne 0 ] ; do
 171                 pathcomp="${pathcomp}${1}"
 172                 shift
 173
 174                 if [ ! -d "${pathcomp}" ]; then $doit $mkdirprog "${pathcomp}"; fi
 175
 176                 pathcomp="${pathcomp}/"
 177         done
 178 fi
 179
 180 if [ x"$dir_arg" != x ]; then
 181         # Make a directory...
 182         $doit $instcmd $dst || exit 1
 183
 184         # Allow chown/chgrp to fail, but log a warning
 185         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst || echo "warning: Unable to change owner of $dst!"; fi
 186         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst || echo "warning: Unable to change group of $dst!"; fi
 187         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst || exit 1; fi
 188 else
 189         # Install a file...
 190         dstfile="`basename $dst`"
 191
 192         # Check the destination file - for libraries just use the "-x" option
 193         # to strip...
 194         case "$dstfile" in
 195                 *.a | *.dylib | *.sl | *.sl.* | *.so | *.so.*)
 196                         stripopt="-x"
 197                         ;;
 198                 *)
 199                         stripopt=""
 200                         ;;
 201         esac
 202
 203         # Make a temp file name in the proper directory.
 204         dsttmp="$dstdir/#inst.$$#"
 205
 206         # Move or copy the file name to the temp name
 207         $doit $instcmd $src $dsttmp || exit 1
 208
 209         # Update permissions and strip as needed, then move to the final name.
 210         # If the chmod, strip, rm, or mv commands fail, remove the installed
 211         # file...
 212         if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripopt "$dsttmp" || echo "warning: Unable to strip $dst!"; fi
 213         if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp" || echo "warning: Unable to change owner of $dst!"; fi
 214         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp" || echo "warning: Unable to change group of $dst!"; fi
 215
 216         trap "rm -f ${dsttmp}" 0 &&
 217         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; fi &&
 218         $doit $rmcmd -f "$dstdir/$dstfile" &&
 219         $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
 220 fi
 221
 222 exit 0