```
$ git push --force --all
Counting objects: 30151, done.
Delta compression using up to 8 threads.
Compressing objects: 100% (29312/29312), done.
Writing objects: 100% (30151/30151), 371.97 MiB | 1.04 MiB/s, done.
Total 30151 (delta 11881), reused 0 (delta 0)
remote: [2013-12-11 07:06:30] EXCEPTION: (CommandException) Command failed with
error #1!
remote: COMMAND
remote: git merge-base '27665b1043bb031b1c3fa4547260159c4a6f705f' 'f352ee59e78c7
8ac50c05c1043f756608cad8d7e'
remote:
remote: STDOUT
remote: (empty)
remote:
remote: STDERR
remote: (empty) at [/srv/phabricator/libphutil/src/future/exec/ExecFuture.php:34
9]
remote: #0 ExecFuture::resolvex() called at [/srv/phabricator/phabricator/src/
applications/diffusion/engine/DiffusionCommitHookEngine.php:259]
remote: #1 DiffusionCommitHookEngine::findGitMergeBases(Array of size 4 starti
ng with: { 0 => Array of size 7 starting with: { old => a43ee4455186df2afff6f8e7
3e83a9aa9706107b } }) called at [/srv/phabricator/phabricator/src/applications/d
iffusion/engine/DiffusionCommitHookEngine.php:220]
remote: #2 DiffusionCommitHookEngine::parseGitUpdates(a43ee4455186df2afff6f8e7
3e83a9aa9706107b 72b95e23b797f0b26c316339ce7df4c6d1f1500f refs/heads/beta
remote: 22bc4ed1dedf8e3f3e7b07d56ceb1335490e4283 2feb0a99a661ea46f795248db0e70e6
0c3b203e8 refs/heads/live
remote: 27665b1043bb031b1c3fa4547260159c4a6f705f f352ee59e78c78ac50c05c1043f7566
08cad8d7e refs/heads/master
remote: 1abbdb07fc31ce10d71f792e640f6dcca34bfc85 f9a7352e6ff1ee81c014eaa6c8cca07
994f9106f refs/heads/uat
remote: ) called at [/srv/phabricator/phabricator/src/applications/diffusion/eng
ine/DiffusionCommitHookEngine.php:126]
remote: #3 DiffusionCommitHookEngine::executeGitHook() called at [/srv/phabric
ator/phabricator/src/applications/diffusion/engine/DiffusionCommitHookEngine.php
:95]
remote: #4 DiffusionCommitHookEngine::execute() called at [/srv/phabricator/ph
abricator/scripts/repository/commit_hook.php:101]
To ssh://git@...../diffusion/P/
! [remote rejected] beta -> beta (pre-receive hook declined)
! [remote rejected] live -> live (pre-receive hook declined)
! [remote rejected] master -> master (pre-receive hook declined)
! [remote rejected] uat -> uat (pre-receive hook declined)
error: failed to push some refs to 'ssh://git@...../diffusion/P/
'
```