Avoid attempting a vc cache sync in the middle of other processing, in the post-commit-hook. Fixes #2902 (second part).
Avoid attempting a vc cache sync in the middle of other processing, in the post-commit-hook. Fixes #2902 (second part).

git-svn-id: 0d96b0c1a6983ccc08b3732614f4d6bfcf9cbb42@4510 af82e41b-90c4-0310-8c96-b1721e28e2e2

rbaumg/trac,rbaumg/trac,rbaumg/trac,rbaumg/trac