Returns exit 1 if a exception was raised while pushing.

[xijo]

This behavior is especially helpful when used in a crontab, so one can detect errors and report them.

Thanks for writing this handy little tool.

[coveralls]

Changes Unknown when pulling ec89c8aeed25b73f87143f73fc4860c1dfe3dad5 on xijo:return_exit_1_on_exceptions into \ on didil:master**.

[grekko]

@xijo Still interested?

[didil]

merged thanks