[PATCH 2 of 3] cmdutil: do not unlink lockpath if it's empty

[Yuya Nishihara]

On Wed, 17 Feb 2016 16:23:13 +0000, Jun Wu wrote:
> On 02/17/2016 03:52 PM, Yuya Nishihara wrote:
> > Also, as I said before, --daemon-pipe-fds is the internal option. It
> > isn't supposed to be specified by external tools. I don't want to
> > introduce an unclear change in the core just for supporting chg.
> 
> Since it's internal option, I guess we can rename it freely. The name
> "pipe-fd" does not reflect what it is doing now. I do want to split
> it into "--daemon-mode" and "--daemon-unlink".

or "--daemon-postexec", etc. which look like an internal option. I'm not super
excited about splitting options, but it would be doable.