keepalive

keepalive
=========
Keepalive is a simple bash script that executes a process and respawns it if it
exits.

Usage
-----
``sh
keepalive [--num=] []

ARGUMENTS
user Username which ia used to run service
log Path to log file
cmd Path to command
cmdopts Options to pass to command

OPTIONS
--num= Number of instances to spawn (default 1)
`

Example
-------
`sh
$ keepalive nobody my.log /bin/my-service --options foo
`

Signals
-------
Keepalive recognizes the following signals:

* HUP: reopen log files
* TERM: send TERM to process group (terminates service)

Change Log
----------
* 3.0.0: bump version to reflect introduction of a breaking change
* 2.1.0: --num option (WARNING: this was unintentionally a breaking change)
* 2.0.1: fix issues reopening log file
* 2.0.0: required args
* 1.3.1: fix issues killing process group
* 1.3.0: --user option
* 1.2.0: --logfile option
* 1.1.0: log support and reopen log on HUP
* 1.0.1: kill launched process on TERM
* 1.0.0`: initial release