[email protected] writes:
> So it seem only bzr have such a function.
> Should be good to have that in other backends.
The key here is <back-end>-revision-get-file-revision. The idea is
that to be able to do a ediff, you need to be able to fetch old
revisions of a file (back-end specific), and then, the code to launch
ediff is back-end independant.
For example, any buffer showing a diff should point to its base and
modified revisions (in local variables dvc-diff-base and
dvc-diff-modified), so pressing 'e' in such buffer (dvc-diff-ediff)
can run :
(dvc-file-ediff-revisions on-modified-file
dvc-diff-base
dvc-diff-modified)
which will call the appropriate call-backs to get the full text for
old revisions, and call ediff on them.
For that, you need to define an abstract way to talk about a revision
(somehow, a lisp way to express revision specifiers), see
docs/DVC-API, section "Revision API".
Doing this within the DVC API shares a lot of code, and give you ediff
in any DVC diff buffer.
--
Matthieu
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