Re: Cirrus CI for macOS branches 16 and 15 broken

On Mon, Aug 19, 2024 at 7:52 AM Thomas Munro <thomas.munro@gmail.com> wrote:
> The macOS major version and hash of the MacPorts package install
> script are in the cache key for that (see 64c39bd5), so a change to
> that script would make a totally fresh installation, and hopefully
> work.  I will look into that, but it would also be nice to understand
> how it go itself into that state so we can avoid it...

Oh, it already is a cache miss and thus a fresh installation, in
Tomas's example.  I can reproduce that in my own Github account by
making a trivial change to ci_macports_packages.sh to I get a cache
miss too.  It appears to install macports just fine, and then a later
command fails in MacPort's sqlite package registry database, "attempt
to write a readonly database".  At a wild guess, what has changed here
to trigger this new condition is that MacPorts has noticed a new
stable release of itself available and taken some new code path
related to upgrading.  No idea why it thinks its package database is
read-only, though... looking...