ACE/bin/ace_components

   1 #! /bin/sh
   2 #
   3 # Encapsulates set/access of a components file, which records set of
   4 # components that were built in a library.  Intended to be used by
   5 # GNUmakefiles and scripts.  See ACE_wrappers/ace/GNUmakefile for an
   6 # example.
   7 #
   8 usage="usage: $0 --ace | --orbsvcs | --tao \
   9  [--remove | --set \" <components list> \"]"
  10
  11 ####
  12 #### Make sure that ACE_ROOT, and TAO_ROOT are set.
  13 ####
  14 if [ ! "$ACE_ROOT" ]; then
  15   echo $0': your ACE_ROOT environment variable is not set!' 1>&2
  16   exit -1
  17 fi
  18 if [ ! "$TAO_ROOT" ]; then
  19   TAO_ROOT=$ACE_ROOT/TAO
  20   export TAO_ROOT
  21 fi
  22
  23 ####
  24 #### Process command line arguments.
  25 ####
  26 if [ $# -ge 1 ]; then
  27   case $1 in
  28     --ace) components_file=$ACE_ROOT/ace/ACE_COMPONENTS.list ;;
  29     --orbsvcs)
  30       components_file=$TAO_ROOT/orbsvcs/orbsvcs/ORBSVCS_COMPONENTS.list ;;
  31     --tao) components_file=$TAO_ROOT/tao/TAO_COMPONENTS.list ;;
  32     *) echo $usage; exit -1 ;;
  33   esac
  34   shift
  35 else
  36   echo $usage
  37   exit -1
  38 fi
  39
  40 set_components=0
  41 append_components=0
  42 if [ $# -ge 1 ]; then
  43   if [ $1 = '--set' ]; then
  44     set_components=1
  45     shift
  46     if [ $# -eq 1 ]; then
  47       components=$1
  48       shift
  49     else
  50       echo $usage
  51       exit -1
  52     fi
  53   elif [ $1 = '--append' ]; then
  54     append_components=1
  55     shift
  56     if [ $# -eq 1 ]; then
  57       components=$1
  58       shift
  59     else
  60       echo $usage
  61       exit -1
  62     fi
  63   elif [ $1 = '--remove' ]; then
  64     rm -f $components_file
  65   else
  66     echo $usage
  67     exit -1
  68   fi
  69 fi
  70
  71 if [ $set_components -eq 1 ]; then
  72   ####
  73   #### Update the components file, if it has changed since last set.
  74   ####
  75   if [ -f $components_file ]; then
  76     if echo "$components" | diff - $components_file > /dev/null; then
  77       :
  78     else
  79       echo "$components" > $components_file
  80     fi
  81   else
  82     echo "$components" > $components_file
  83   fi
  84 elif [ $append_components -eq 1 ]; then
  85   ####
  86   #### Update the components file, if it has changed since last set.
  87   ####
  88   if [ -f $components_file ]; then
  89     if cat $components_file | grep "$components" > /dev/null; then
  90       :
  91     else
  92       (cat $components_file; echo "$components") | tr ' ' '\012' | sort -u > $components_file.$$
  93       mv -f $components_file.$$ $components_file
  94     fi
  95   else
  96     echo "$components" > $components_file
  97   fi
  98 else
  99   ####
 100   #### Access the contents of the components file, if it exists.
 101   ####
 102   if [ -f $components_file ]; then
 103     cat $components_file
 104   fi
 105 fi