[libvirt-jenkins-ci PATCH 7/7] lcitool: Create and expose ccache wrappers

[Andrea Bolognani]

On Mon, 2020-03-30 at 12:52 +0100, Daniel P. Berrangé wrote:
> On Fri, Mar 27, 2020 at 08:34:59PM +0100, Andrea Bolognani wrote:
> >          sys.stdout.write(textwrap.dedent("""
> >              ENV LANG "en_US.UTF-8"
> > +            ENV PATH "/usr/local/share/ccache-wrappers:$PATH"
> 
> I don't think we should do this though.
> 
> When doing local container builds "make ci-build at BLAH" the container
> content is throwaway, so using ccache is adding extra I/O to store
> the cache arifacts but will not speed up compile as the cache will
> always be initially empty.
> 
> I think we only want to set $PATH in the .gitlab-ci.yml file where
> we have explicitly provided a persistent cache to use.

Sounds reasonable.

We could still expose the path as something like

  ENV CCACHE_WRAPPERSDIR "/usr/local/share/ccache-wrappers"

so that the CI rules would be able to do

  - export PATH="$CCACHE_WRAPPERSDIR:$PATH"

instead of hardcoding the exact path. What do you think?

-- 
Andrea Bolognani / Red Hat / Virtualization