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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=17721 problem with wrapper shell script if $0 is a relative symlink Summary: problem with wrapper shell script if $0 is a relative symlink Product: Ant Version: 1.1 Platform: Sun OS/Version: Solaris Status: NEW Severity: Minor Priority: Other Component: Wrapper scripts AssignedTo: [EMAIL PROTECTED] ReportedBy: [EMAIL PROTECTED] In the 'ant' shell script (module ant/src/script/ant), there is a while loop to expand symlinks in $0 to try to find the real ANT_HOME. This loop includes the following test, which is supposed to handle absolute and relative paths correctly: if expr "$link" : '.*/.*' > /dev/null; then PRG="$link" else PRG=`dirname "$PRG"`"/$link" fi However, this test incorrectly regards a link target like '../ant/bin/ant' as an absolute path, so ANT_HOME gets set up wrongly. I replaced this with the following simpler snippet: case "$link" in /*) PRG="$link" ;; *) PRG=`dirname "$PRG"`"/$link" ;; esac which fixes the problem. This was on Solaris 8 sparc with Ant 1.5.2 binary distribution, but this test hasn't changed in the latest CVS, and it looks like it will affect all Unix distributions using this script.
