Mercurial > hg

annotate hgext/git/TODO.md @ 47869:bf47cc3799ea stable

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
clone: verify the local clone in test-clone-stream.t This will help detecting corruption. Differential Revision: https://phab.mercurial-scm.org/D11338
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Wed, 25 Aug 2021 10:42:09 +0200
parents c5653cf2811d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
44477
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
1 Octopus Merge Support
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
2 =====================
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
3
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
4 This will be moderately complicated, as we'll need to synthesize phony
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
5 changeset entries to explode the octopus into "revisions" that only
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
6 have two parents each. For today, we can probably just do something like
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
7
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
8 aaaaaaaaaaaaaaaaaaXX{20 bytes of exploded node's hex sha}
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
9
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
10 where XX is a counter (so we could have as many as 255 parents in a
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
11 git commit - more than I think we'd ever see.) That means that we can
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
12 install some check in this extension to disallow checking out or
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
13 otherwise interacting with the `aaaaaaaaaaaaaaaaaa` revisions.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
14
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
15
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
16 Interface Creation
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
17 ====================
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
18
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
19 We at least need an interface definition for `changelog` in core that
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
20 this extension can satisfy, and again for `basicstore`.
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
21
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
22
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
23 Reason About Locking
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
24 ====================
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
25
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
26 We should spend some time thinking hard about locking, especially on
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
27 .git/index etc. We're probably adequately locking the _git_
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
28 repository, but may not have enough locking correctness in places
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
29 where hg does locking that git isn't aware of (notably the working
ad718271a9eb git: skeleton of a new extension to _directly_ operate on git repos
Augie Fackler <augie@google.com>
parents:
diff changeset
30 copy, which I believe Git does not lock.)