install-sh

   1 #!/bin/sh
   2 #
   3 # "$Id$"
   4 #
   5 # Install a program, script, or datafile.
   6 #
   7 # Copyright 2008-2012 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="${MKDIRPROG-mkdir}"
  49 gzipprog="${GZIPPROG-gzip}"
  50
  51 transformbasename=""
  52 transform_arg=""
  53 instcmd="$mvprog"
  54 chmodcmd="$chmodprog 0755"
  55 chowncmd=""
  56 chgrpcmd=""
  57 stripcmd=""
  58 rmcmd="$rmprog -f"
  59 mvcmd="$mvprog"
  60 src=""
  61 dst=""
  62 dir_arg=""
  63
  64 gzipcp() {
  65         # gzipcp from to
  66         $gzipprog -9 <"$1" >"$2"
  67 }
  68
  69 while [ x"$1" != x ]; do
  70         case $1 in
  71                 -c)
  72                 instcmd="$cpprog"
  73                 shift
  74                 continue
  75                 ;;
  76
  77                 -d)
  78                 dir_arg=true
  79                 shift
  80                 continue
  81                 ;;
  82
  83                 -m)
  84                 chmodcmd="$chmodprog $2"
  85                 shift
  86                 shift
  87                 continue
  88                 ;;
  89
  90                 -o)
  91                 chowncmd="$chownprog $2"
  92                 shift
  93                 shift
  94                 continue
  95                 ;;
  96
  97                 -g)
  98                 chgrpcmd="$chgrpprog $2"
  99                 shift
 100                 shift
 101                 continue
 102                 ;;
 103
 104                 -s)
 105                 stripcmd="$stripprog"
 106                 shift
 107                 continue
 108                 ;;
 109
 110                 -z)
 111                 instcmd="gzipcp"
 112                 shift
 113                 continue
 114                 ;;
 115
 116                 *)
 117                 if [ x"$src" = x ]; then
 118                         src="$1"
 119                 else
 120                         dst="$1"
 121                 fi
 122                 shift
 123                 continue
 124                 ;;
 125         esac
 126 done
 127
 128 if [ x"$src" = x ]; then
 129         echo "install-sh: No input file specified"
 130         exit 1
 131 fi
 132
 133 if [ x"$dir_arg" != x ]; then
 134         dst="$src"
 135         src=""
 136
 137         if [ -d "$dst" ]; then
 138                 instcmd=:
 139         else
 140                 instcmd=$mkdirprog
 141         fi
 142 else
 143         # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 144         # might cause directories to be created, which would be especially bad
 145         # if $src (and thus $dsttmp) contains '*'.
 146         if [ ! -f "$src" -a ! -d "$src" ]; then
 147                 echo "install: $src does not exist"
 148                 exit 1
 149         fi
 150
 151         if [ x"$dst" = x ]; then
 152                 echo "install: No destination specified"
 153                 exit 1
 154         fi
 155
 156         # If destination is a directory, append the input filename.
 157         if [ -d "$dst" ]; then
 158                 dst="$dst/`basename $src`"
 159         fi
 160 fi
 161
 162 ## this sed command emulates the dirname command
 163 dstdir="`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`"
 164
 165 # Make sure that the destination directory exists.
 166 # This part is taken from Noah Friedman's mkinstalldirs script
 167
 168 # Skip lots of stat calls in the usual case.
 169 if [ ! -d "$dstdir" ]; then
 170         defaultIFS='
 171         '
 172         IFS="${IFS-${defaultIFS}}"
 173
 174         oIFS="${IFS}"
 175         # Some sh's can't handle IFS=/ for some reason.
 176         IFS='%'
 177         set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 178         IFS="${oIFS}"
 179
 180         pathcomp=''
 181
 182         while [ $# -ne 0 ] ; do
 183                 pathcomp="${pathcomp}${1}"
 184                 shift
 185
 186                 if [ ! -d "${pathcomp}" ]; then $doit $mkdirprog "${pathcomp}"; fi
 187
 188                 pathcomp="${pathcomp}/"
 189         done
 190 fi
 191
 192 if [ x"$dir_arg" != x ]; then
 193         # Make a directory...
 194         $doit $instcmd $dst || exit 1
 195
 196         # Allow chown/chgrp to fail, but log a warning
 197         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst || echo "warning: Unable to change owner of $dst!"; fi
 198         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst || echo "warning: Unable to change group of $dst!"; fi
 199         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst || exit 1; fi
 200 else
 201         # Install a file...
 202         dstfile="`basename $dst`"
 203
 204         # Check the destination file - for libraries just use the "-x" option
 205         # to strip...
 206         case "$dstfile" in
 207                 *.a | *.dylib | *.sl | *.sl.* | *.so | *.so.*)
 208                         stripopt="-x"
 209                         ;;
 210                 *)
 211                         stripopt=""
 212                         ;;
 213         esac
 214
 215         # Make a temp file name in the proper directory.
 216         dsttmp="$dstdir/#inst.$$#"
 217
 218         # Move or copy the file name to the temp name
 219         $doit $instcmd $src $dsttmp || exit 1
 220
 221         # Update permissions and strip as needed, then move to the final name.
 222         # If the chmod, strip, rm, or mv commands fail, remove the installed
 223         # file...
 224         if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripopt "$dsttmp" || echo "warning: Unable to strip $dst!"; fi
 225         if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp" || echo "warning: Unable to change owner of $dst!"; fi
 226         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp" || echo "warning: Unable to change group of $dst!"; fi
 227
 228         trap "rm -f ${dsttmp}" 0 &&
 229         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; fi &&
 230         $doit $rmcmd -f "$dstdir/$dstfile" &&
 231         $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
 232 fi
 233
 234 exit 0