install-sh

   1 #!/bin/sh
   2 #
   3 # Install a program, script, or datafile.
   4 #
   5 # Copyright 2008-2012 by Apple Inc.
   6 #
   7 # This script is not compatible with BSD (or any other) install program, as it
   8 # allows owner and group changes to fail with a warning and makes sure that the
   9 # destination directory permissions are as specified - BSD install and the
  10 # original X11 install script did not change permissions of existing
  11 # directories.  It also does not support the transform options since CUPS does
  12 # not use them...
  13 #
  14 # Original script from X11R5 (mit/util/scripts/install.sh)
  15 # Copyright 1991 by the Massachusetts Institute of Technology
  16 #
  17 # Permission to use, copy, modify, distribute, and sell this software and its
  18 # documentation for any purpose is hereby granted without fee, provided that
  19 # the above copyright notice appear in all copies and that both that
  20 # copyright notice and this permission notice appear in supporting
  21 # documentation, and that the name of M.I.T. not be used in advertising or
  22 # publicity pertaining to distribution of the software without specific,
  23 # written prior permission.  M.I.T. makes no representations about the
  24 # suitability of this software for any purpose.  It is provided "as is"
  25 # without express or implied warranty.
  26 #
  27 # Calling this script install-sh is preferred over install.sh, to prevent
  28 # `make' implicit rules from creating a file called install from it
  29 # when there is no Makefile.
  30
  31 # set DOITPROG to echo to test this script
  32 # Don't use :- since 4.3BSD and earlier shells don't like it.
  33 doit="${DOITPROG-}"
  34
  35 # Force umask to 022...
  36 umask 022
  37
  38 # put in absolute paths if you don't have them in your path; or use env. vars.
  39 mvprog="${MVPROG-mv}"
  40 cpprog="${CPPROG-cp}"
  41 chmodprog="${CHMODPROG-chmod}"
  42 chownprog="${CHOWNPROG-chown}"
  43 chgrpprog="${CHGRPPROG-chgrp}"
  44 stripprog="${STRIPPROG-strip}"
  45 rmprog="${RMPROG-rm}"
  46 mkdirprog="${MKDIRPROG-mkdir}"
  47 gzipprog="${GZIPPROG-gzip}"
  48
  49 transformbasename=""
  50 transform_arg=""
  51 instcmd="$mvprog"
  52 chmodcmd="$chmodprog 0755"
  53 chowncmd=""
  54 chgrpcmd=""
  55 stripcmd=""
  56 rmcmd="$rmprog -f"
  57 mvcmd="$mvprog"
  58 src=""
  59 dst=""
  60 dir_arg=""
  61
  62 gzipcp() {
  63         # gzipcp from to
  64         $gzipprog -9 <"$1" >"$2"
  65 }
  66
  67 while [ x"$1" != x ]; do
  68         case $1 in
  69                 -c)
  70                 instcmd="$cpprog"
  71                 shift
  72                 continue
  73                 ;;
  74
  75                 -d)
  76                 dir_arg=true
  77                 shift
  78                 continue
  79                 ;;
  80
  81                 -m)
  82                 chmodcmd="$chmodprog $2"
  83                 shift
  84                 shift
  85                 continue
  86                 ;;
  87
  88                 -o)
  89                 chowncmd="$chownprog $2"
  90                 shift
  91                 shift
  92                 continue
  93                 ;;
  94
  95                 -g)
  96                 chgrpcmd="$chgrpprog $2"
  97                 shift
  98                 shift
  99                 continue
 100                 ;;
 101
 102                 -s)
 103                 stripcmd="$stripprog"
 104                 shift
 105                 continue
 106                 ;;
 107
 108                 -z)
 109                 instcmd="gzipcp"
 110                 shift
 111                 continue
 112                 ;;
 113
 114                 *)
 115                 if [ x"$src" = x ]; then
 116                         src="$1"
 117                 else
 118                         dst="$1"
 119                 fi
 120                 shift
 121                 continue
 122                 ;;
 123         esac
 124 done
 125
 126 if [ x"$src" = x ]; then
 127         echo "install-sh: No input file specified"
 128         exit 1
 129 fi
 130
 131 if [ x"$dir_arg" != x ]; then
 132         dst="$src"
 133         src=""
 134
 135         if [ -d "$dst" ]; then
 136                 instcmd=:
 137         else
 138                 instcmd=$mkdirprog
 139         fi
 140 else
 141         # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 142         # might cause directories to be created, which would be especially bad
 143         # if $src (and thus $dsttmp) contains '*'.
 144         if [ ! -f "$src" -a ! -d "$src" ]; then
 145                 echo "install: $src does not exist"
 146                 exit 1
 147         fi
 148
 149         if [ x"$dst" = x ]; then
 150                 echo "install: No destination specified"
 151                 exit 1
 152         fi
 153
 154         # If destination is a directory, append the input filename.
 155         if [ -d "$dst" ]; then
 156                 dst="$dst/`basename $src`"
 157         fi
 158 fi
 159
 160 ## this sed command emulates the dirname command
 161 dstdir="`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`"
 162
 163 # Make sure that the destination directory exists.
 164 # This part is taken from Noah Friedman's mkinstalldirs script
 165
 166 # Skip lots of stat calls in the usual case.
 167 if [ ! -d "$dstdir" ]; then
 168         defaultIFS='
 169         '
 170         IFS="${IFS-${defaultIFS}}"
 171
 172         oIFS="${IFS}"
 173         # Some sh's can't handle IFS=/ for some reason.
 174         IFS='%'
 175         set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 176         IFS="${oIFS}"
 177
 178         pathcomp=''
 179
 180         while [ $# -ne 0 ] ; do
 181                 pathcomp="${pathcomp}${1}"
 182                 shift
 183
 184                 if [ ! -d "${pathcomp}" ]; then $doit $mkdirprog "${pathcomp}"; fi
 185
 186                 pathcomp="${pathcomp}/"
 187         done
 188 fi
 189
 190 if [ x"$dir_arg" != x ]; then
 191         # Make a directory...
 192         $doit $instcmd $dst || exit 1
 193
 194         # Allow chown/chgrp to fail, but log a warning
 195         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst || echo "warning: Unable to change owner of $dst!"; fi
 196         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst || echo "warning: Unable to change group of $dst!"; fi
 197         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst || exit 1; fi
 198 else
 199         # Install a file...
 200         dstfile="`basename $dst`"
 201
 202         # Check the destination file - for libraries just use the "-x" option
 203         # to strip...
 204         case "$dstfile" in
 205                 *.a | *.dylib | *.sl | *.sl.* | *.so | *.so.*)
 206                         stripopt="-x"
 207                         ;;
 208                 *)
 209                         stripopt=""
 210                         ;;
 211         esac
 212
 213         # Make a temp file name in the proper directory.
 214         dsttmp="$dstdir/#inst.$$#"
 215
 216         # Move or copy the file name to the temp name
 217         $doit $instcmd $src $dsttmp || exit 1
 218
 219         # Update permissions and strip as needed, then move to the final name.
 220         # If the chmod, strip, rm, or mv commands fail, remove the installed
 221         # file...
 222         if [ x"$stripcmd" != x ]; then $doit $stripcmd $stripopt "$dsttmp" || echo "warning: Unable to strip $dst!"; fi
 223         if [ x"$chowncmd" != x ]; then $doit $chowncmd "$dsttmp" || echo "warning: Unable to change owner of $dst!"; fi
 224         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd "$dsttmp" || echo "warning: Unable to change group of $dst!"; fi
 225
 226         trap "rm -f ${dsttmp}" 0 &&
 227         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd "$dsttmp"; fi &&
 228         $doit $rmcmd -f "$dstdir/$dstfile" &&
 229         $doit $mvcmd "$dsttmp" "$dstdir/$dstfile"
 230 fi
 231
 232 exit 0