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