Make automatic detection of ANT_HOME work if ant is a symlink to the

actual ant script using a relative path as well.

Submitted by:	Leon Breedt <ljb@neverborn.ORG>


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@270777 13f79535-47bb-0310-9956-ffa450edef68

src/script/ant

@@ -28,6 +28,10 @@ if [ -z "$ANT_HOME" ] ; then
   ## resolve links - $0 may be a link to ant's home
   PRG=$0
   progname=`basename $0`
+  saveddir=`pwd`
+
+  # need this for relative symlinks
+  cd `dirname $PRG`
   
   while [ -h "$PRG" ] ; do
     ls=`ls -ld "$PRG"`
@@ -41,6 +45,10 @@ if [ -z "$ANT_HOME" ] ; then
   
   ANT_HOME=`dirname "$PRG"`/..
 
+  # make it fully qualified
+  ANT_HOME=`cd "$ANT_HOME" && pwd`
+
+  cd $saveddir
 fi
 
 # For Cygwin, ensure paths are in UNIX format before anything is touched