Request #7692 - Git plugin tries to commit / push as post system event at each run

Change-Id: I833f6fa2b9c12ed8bc8126cf5f38bca7636dee83
Merge commit 'refs/changes/68/3368/3' of ssh://gerrit.tuleap.net:29418/tuleap into HEAD

* ssh://gerrit.tuleap.net:29418/tuleap:
  Request #7692 - Git plugin tries to commit / push as post system event at each run

Change-Id: I696e1dcf43a686ccb01ac09f1597488083abe004
This is Tuleap 7.8.99.8

Change-Id: Ia39b2bc46b1eb8aa6543b1d1e329d9c95c2d8211