commit 60e154e958cab5587e5931d3d7ef0a1bbfa9deb7
Author: Stu Hood <stuhood@gmail.com>
Date:   Wed Sep 23 08:34:22 2015 -0700

    Defend against concurrent bootstrap of the zinc compiler interface
    
    - Defend against concurrent bootstraps of the compiler interface in multiple processes.
    
    Testing Done:
    Tested that a local publish could rebootstrap itself with a few attempts of:
    
        ./pants clean-all && rm -Rf ~/.zinc ~/.cache/pants
        ./pants compile.zinc --no-use-nailgun examples/{src,tests}/{java,scala}::
    
    Reviewed at https://rbcommons.com/s/twitter/r/2867/

 src/scala/org/pantsbuild/zinc/Compiler.scala | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)