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pre-commit: Update metadata when committing changes to annexed files within a view.

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So the user can now switch to a view and then move files around within it
to manage metadata. For example, moving a file into a new directory
when in the tags=* view adds a tag to it.

Implementation is fairly efficient. One diff-index, which is no more
expensive than the first stage of a git commit, followed by possibly
some cat-file --batch traffic to find the key (when deleting a file).
Very similar to what's done in direct mode when committing. And like
direct mode when updating the WC after a merge, it has to buffer the
diff-tree values in order to make 2 passes over them.

When not in a view, pre-commit now does one extra git symbolic-ref,
which is tiny overhead.

This commit was sponsored by Andrew Eskridge.
This commit is contained in:
Joey Hess 2014-02-19 14:14:44 -04:00
parent 02259d2a55
commit 39ebfa1a2e
6 changed files with 103 additions and 23 deletions
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debian/changelog vendored
View file

@ -8,6 +8,8 @@ git-annex (5.20140211) UNRELEASED; urgency=medium
* view: New command that creates and checks out a branch that provides
a structured view of selected metadata.
* vadd, vpop, vcycle: New commands for operating within views.
* pre-commit: Update metadata when committing changes to annexed files
within a view.
* Add progress display for transfers to/from external special remotes.
* Windows webapp: Can set up box.com, Amazon S3, and rsync.net remotes
* Windows webapp: Can create repos on removable drives.