Re: [libvirt] [PATCH 2/2] travis: unlink python package before upgrading brew packages

On Thu, 2018-03-15 at 13:33 +0000, Daniel P. Berrangé wrote: > The 'brew upgrade' command is pulling in the python2 package which > promptly fails due to clashing symlinks installed by the new python > package (which is python3 based): > > ==> Pouring python(a)2-2.7.14_3.sierra.bottle.tar.gz > Error: The `brew link` step did not complete successfully > The formula built, but is not symlinked into /usr/local > Could not symlink bin/2to3-2 > Target /usr/local/bin/2to3-2 > is a symlink belonging to python. You can unlink it: > brew unlink python > To force the link and overwrite all conflicting files: > brew link --overwrite python@2 > To list all files that would be deleted: > brew link --overwrite --dry-run python@2 > > By running 'brew unlink python' we can get rid of the python3 links that > we didn't want in the first place and avoid this error. The behavior of homebrew with respect to linking seems completely insane to me. Why would you need to manually apply a workaround in order to upgrade an existing system?

Anyway, this seems to work, so Reviewed-by: Andrea Bolognani <abologna(a)redhat.com&gt; -- Andrea Bolognani / Red Hat / Virtualization