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Re: What's cooking in git.git (Mar 2019, #01; Wed, 6)

On 06/03/2019 09:44, Duy Nguyen wrote:
On Wed, Mar 6, 2019 at 8:34 AM Junio C Hamano <gitster@xxxxxxxxx> wrote:
* tg/checkout-no-overlay (2019-02-04) 9 commits
   (merged to 'next' on 2019-02-04 at 9968bcf4fb)
  + revert "checkout: introduce checkout.overlayMode config"
   (merged to 'next' on 2019-01-18 at 1e2a79ba5c)
  + checkout: introduce checkout.overlayMode config
  + checkout: introduce --{,no-}overlay option
  + checkout: factor out mark_cache_entry_for_checkout function
  + checkout: clarify comment
  + read-cache: add invalidate parameter to remove_marked_cache_entries
  + entry: support CE_WT_REMOVE flag in checkout_entry
  + entry: factor out unlink_entry function
  + move worktree tests to t24*

  "git checkout --no-overlay" can be used to trigger a new mode of
  checking out paths out of the tree-ish, that allows paths that
  match the pathspec that are in the current index and working tree
  and are not in the tree-ish.

  Will hold.
  Waiting for "restore-files" & "switch-branches" pair.
  cf. <20190205204208.GC6085@xxxxxxxxxxxxxxxxxxxxxxxx>
If it's ready for master, I'd love to see it merged. Either that or
topic is rebased on 'master'. There are separate checkout changes in
'master' (mine, sadly), and because switch/restore moves lots of code
around, I need to create a merge of this topic and master as the base,
or you'll get horrible conflicts.

I should send switch/restore again soon. There are still a few
unaddressed concerns for git-restore since last time. Probably time to
refresh those discussions.

Just catching up on back emails:

The one point I noted is that "Overlay" is a new magic term without any explanation within the _documentation_.

It would appear worth it to also add something (follow up patch?) to the e.g. git glossary to clarify how overlay differs, or is similar to, the different merge and reset modes.