install.sh

   1 #!/bin/sh
   2 #
   3 # install - install a program, script, or datafile
   4 # This comes from X11R5.
   5 #
   6 # $XConsortium: install.sh,v 1.2 89/12/18 14:47:22 jim Exp $
   7 #
   8 # This script is compatible with the BSD install script, but was written
   9 # from scratch.
  10 #
  11
  12
  13 # set DOITPROG to echo to test this script
  14
  15 # Don't use :- since 4.3BSD and earlier shells don't like it.
  16 doit="${DOITPROG-}"
  17
  18
  19 # put in absolute paths if you don't have them in your path; or use env. vars.
  20
  21 mvprog="${MVPROG-mv}"
  22 cpprog="${CPPROG-cp}"
  23 chmodprog="${CHMODPROG-chmod}"
  24 chownprog="${CHOWNPROG-chown}"
  25 chgrpprog="${CHGRPPROG-chgrp}"
  26 stripprog="${STRIPPROG-strip}"
  27 rmprog="${RMPROG-rm}"
  28 mkdirprog="${MKDIRPROG-mkdir}"
  29
  30 tranformbasename=""
  31 transform_arg=""
  32 instcmd="$mvprog"
  33 chmodcmd="$chmodprog 0755"
  34 chowncmd=""
  35 chgrpcmd=""
  36 stripcmd=""
  37 rmcmd="$rmprog -f"
  38 mvcmd="$mvprog"
  39 src=""
  40 dst=""
  41 dir_arg=""
  42
  43 while [ x"$1" != x ]; do
  44     case $1 in
  45         -c) instcmd="$cpprog"
  46             shift
  47             continue;;
  48
  49         -d) dir_arg=true
  50             shift
  51             continue;;
  52
  53         -m) chmodcmd="$chmodprog $2"
  54             shift
  55             shift
  56             continue;;
  57
  58         -o) chowncmd="$chownprog $2"
  59             shift
  60             shift
  61             continue;;
  62
  63         -g) chgrpcmd="$chgrpprog $2"
  64             shift
  65             shift
  66             continue;;
  67
  68         -s) stripcmd="$stripprog"
  69             shift
  70             continue;;
  71
  72         -t=*) transformarg=`echo $1 | sed 's/-t=//'`
  73             shift
  74             continue;;
  75
  76         -b=*) transformbasename=`echo $1 | sed 's/-b=//'`
  77             shift
  78             continue;;
  79
  80         *)  if [ x"$src" = x ]
  81             then
  82                 src=$1
  83             else
  84                 # this colon is to work around a 386BSD /bin/sh bug
  85                 :
  86                 dst=$1
  87             fi
  88             shift
  89             continue;;
  90     esac
  91 done
  92
  93 if [ x"$src" = x ]
  94 then
  95         echo "install:  no input file specified"
  96         exit 1
  97 else
  98         true
  99 fi
 100
 101 if [ x"$dir_arg" != x ]; then
 102         dst=$src
 103         src=""
 104
 105         if [ -d $dst ]; then
 106                 instcmd=:
 107         else
 108                 instcmd=mkdir
 109         fi
 110 else
 111
 112 # Waiting for this to be detected by the "$instcmd $src $dsttmp" command
 113 # might cause directories to be created, which would be especially bad
 114 # if $src (and thus $dsttmp) contains '*'.
 115
 116         if [ -f $src -o -d $src ]
 117         then
 118                 true
 119         else
 120                 echo "install:  $src does not exist"
 121                 exit 1
 122         fi
 123
 124         if [ x"$dst" = x ]
 125         then
 126                 echo "install:  no destination specified"
 127                 exit 1
 128         else
 129                 true
 130         fi
 131
 132 # If destination is a directory, append the input filename; if your system
 133 # does not like double slashes in filenames, you may need to add some logic
 134
 135         if [ -d $dst ]
 136         then
 137                 dst="$dst"/`basename $src`
 138         else
 139                 true
 140         fi
 141 fi
 142
 143 ## this sed command emulates the dirname command
 144 dstdir=`echo $dst | sed -e 's,[^/]*$,,;s,/$,,;s,^$,.,'`
 145
 146 # Make sure that the destination directory exists.
 147 #  this part is taken from Noah Friedman's mkinstalldirs script
 148
 149 # Skip lots of stat calls in the usual case.
 150 if [ ! -d "$dstdir" ]; then
 151 defaultIFS='
 152 '
 153 IFS="${IFS-${defaultIFS}}"
 154
 155 oIFS="${IFS}"
 156 # Some sh's can't handle IFS=/ for some reason.
 157 IFS='%'
 158 set - `echo ${dstdir} | sed -e 's@/@%@g' -e 's@^%@/@'`
 159 IFS="${oIFS}"
 160
 161 pathcomp=''
 162
 163 while [ $# -ne 0 ] ; do
 164         pathcomp="${pathcomp}${1}"
 165         shift
 166
 167         if [ ! -d "${pathcomp}" ] ;
 168         then
 169                 $mkdirprog "${pathcomp}"
 170         else
 171                 true
 172         fi
 173
 174         pathcomp="${pathcomp}/"
 175 done
 176 fi
 177
 178 if [ x"$dir_arg" != x ]
 179 then
 180         $doit $instcmd $dst &&
 181
 182         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dst; else true ; fi &&
 183         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dst; else true ; fi &&
 184         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dst; else true ; fi &&
 185         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dst; else true ; fi
 186 else
 187
 188 # If we're going to rename the final executable, determine the name now.
 189
 190         if [ x"$transformarg" = x ]
 191         then
 192                 dstfile=`basename $dst`
 193         else
 194                 dstfile=`basename $dst $transformbasename |
 195                         sed $transformarg`$transformbasename
 196         fi
 197
 198 # don't allow the sed command to completely eliminate the filename
 199
 200         if [ x"$dstfile" = x ]
 201         then
 202                 dstfile=`basename $dst`
 203         else
 204                 true
 205         fi
 206
 207 # Make a temp file name in the proper directory.
 208
 209         dsttmp=$dstdir/#inst.$$#
 210
 211 # Move or copy the file name to the temp name
 212
 213         $doit $instcmd $src $dsttmp &&
 214
 215         trap "rm -f ${dsttmp}" 0 &&
 216
 217 # and set any options; do chmod last to preserve setuid bits
 218
 219 # If any of these fail, we abort the whole thing.  If we want to
 220 # ignore errors from any of these, just make sure not to ignore
 221 # errors from the above "$doit $instcmd $src $dsttmp" command.
 222
 223         if [ x"$chowncmd" != x ]; then $doit $chowncmd $dsttmp; else true;fi &&
 224         if [ x"$chgrpcmd" != x ]; then $doit $chgrpcmd $dsttmp; else true;fi &&
 225         if [ x"$stripcmd" != x ]; then $doit $stripcmd $dsttmp; else true;fi &&
 226         if [ x"$chmodcmd" != x ]; then $doit $chmodcmd $dsttmp; else true;fi &&
 227
 228 # Now rename the file to the real destination.
 229
 230         $doit $rmcmd -f $dstdir/$dstfile &&
 231         $doit $mvcmd $dsttmp $dstdir/$dstfile
 232
 233 fi &&
 234
 235
 236 exit 0