track installed files

[oliver-sanders]

Rose fileinstall adds things into the run directory. If these things are not placed in work/ or share/ then they will be overwritten and subsequently reinstalled by cylc reinstall. This is ok but inefficient - #152.

Cylc-Rose should maintain a list of all of the stuff it has installed and provide that list to cylc reinstall where it can be merged in with the contents of the .cylcignore file (anything listed in cylcignore will be excluded from reinstall).

Pull requests welcome!

[wxtim]

Is that safe? What if someone is trying to update the files which Rose is installing?

[oliver-sanders]

Sorry, this issue was a little rushed.

The pressing aspect of this issue is cylc install --dry-run which currently shows all files installed by Rose as deleted. This is due to #152.

So the main problem here is stopping cylc install --dry-run from showing these files as deleted, not conveying any additional changes that metomi-rose would make.

However, if metomi-rose does/can support a dry-run mode of it's own then that could be used to generate this list dynamically which would be great! #152 would offer