added ace_components

1 files changed, 80 insertions, 0 deletions

diff --git a/bin/ace_components b/bin/ace_components
new file mode 100755
index 00000000000..0d8a1a086a9
--- /dev/null
+++ b/bin/ace_components
@@ -0,0 +1,80 @@
+#! /bin/sh
+# $Id$
+#
+# Encapsulates set/access of a components file, which records set of
+# components that were built in a library.  Intended to be used by
+# Makefiles and scripts.  See ACE_wrappers/ace/Makefile for an example.
+#
+usage="usage: $0 --ace | --orbsvcs | --tao \
+ [--remove | --set \" <components list> \"]"
+
+####
+#### Make sure that ACE_ROOT and TAO_ROOT are set.
+####
+if [ ! "$ACE_ROOT" ]; then
+  echo $0': your ACE_ROOT environment variable is not set!' 1>&2
+  exit -1
+fi
+if [ ! "$TAO_ROOT" ]; then
+  TAO_ROOT=$ACE_ROOT/TAO
+  export TAO_ROOT
+fi
+
+####
+#### Process command line arguments.
+####
+if [ $# -ge 1 ]; then
+  case $1 in
+    --ace) components_file=$ACE_ROOT/ace/ACE_COMPONENTS.list ;;
+    --orbsvcs)
+      components_file=$TAO_ROOT/orbsvcs/orbsvcs/ORBSVCS_COMPONENTS.list ;;
+    --tao) components_file=$TAO_ROOT/tao/TAO_COMPONENTS.list ;;
+    *) echo $usage; exit -1 ;;
+  esac
+  shift
+else
+  echo $usage
+  exit -1
+fi
+
+set_components=0
+if [ $# -ge 1 ]; then
+  if [ $1 = '--set' ]; then
+    set_components=1
+    shift
+    if [ $# -eq 1 ]; then
+      components=$1
+      shift
+    else
+      echo $usage
+      exit -1
+    fi
+  elif [ $1 = '--remove' ]; then
+    rm -f $components_file
+  else
+    echo $usage
+    exit -1
+  fi
+fi
+
+if [ $set_components -eq 1 ]; then
+  ####
+  #### Update the components file, if it has changed since last set.
+  ####
+  if [ -f $components_file ]; then
+    if echo "$components" | diff - $components_file > /dev/null; then
+      :
+    else
+      echo "$components" > $components_file
+    fi
+  else
+    echo "$components" > $components_file
+  fi
+else
+  ####
+  #### Access the contents of the components file, if it exists.
+  ####
+  if [ -f $components_file ]; then
+    cat $components_file
+  fi
+fi