Just wanted to let people know that Moonstone is ramping up on the customer pain points, even ahead of the full spec and prioritization. I had talked to Jorge and Marco about what they thought was important, and they pointed out a couple of low hanging fruit. This was one of them.
Many charms these days only contain one real hook script, and the rest are all just symlinks to the real one. (because no one wants to write 20 scripts) This is kind of a pain in the ass for charm writers, and doesn't work well on Windows (Windows symlink support is terrible). So, why not just have a default hook that gets called if the real hook isn't there? That's what I implemented today: https://github.com/juju/juju/pull/528 There's new hook in town: default-hook. If it exists and a hook gets called that doesn't have a corresponding hook file, default-hook gets called with the name of the original hook as its first argument (arg[1]). That's it. If/when this PR is accepted, Marco is planning to update charmhelpers to make it automatically recognize when the default-hook is called, and get the hook name from arg[1] instead of arg[0], so current scripts wouldn't even need to change - they'd just need the new charmhelpers, rename the one true script to "default-hook", and delete all their symlinks. Bam. Moonstone is very excited to be working to make Juju easier for charm developers, and we'll see more improvements coming next week. -Nate
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