Weirdness in path processing on install

[Russel Winder-4]

I had:

        gradle_installPath = ${user.home}/lib/JavaPackages/gradle-trunk

in my ~/.gradle/gradle.properties but this led to an error on
installation.

        Execution failed for task ':install'.
        Cause: Warning: Could not find file /home/users/russel/Repositories/Git/Git/Gradle_Working/home/users/russel/lib/JavaPackages/gradle-0.8-20090913165835+0100 to copy.

Note though that ${user.home} starts with a / and so should have been
treated as absolute.  By changing this to:

        gradle_installPath = /${user.home}/lib/JavaPackages/gradle-trunk

Things seem to work as expected.  This just seems rather strange.

--
Russel.
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