Summary: We ostensibly now support Mercurial at least mostly, so don't
underpromise quite so much.
Test Plan: Ran "arc diff" in a Mercurial working copy without being warned.
Reviewers: Makinde, jungejason, nh, tuomaspelkonen, aran
Reviewed By: Makinde
CC: aran, Makinde
Differential Revision: 1085
Summary:
This should support conservative rewrite policies in git fairly well, under an
assumed workflow of:
- Develop in local branches, never rewrite history.
- Commit with "-m" or by typing a brief, non-template commit message
describing the checkpoint.
- Provide rich information in the web console (reviewers, etc.)
- Finalize with "git checkout master && arc merge branch && git push" or some
flavor thereof.
This supports Mercurial somewhat. The major problem is that "hg merge" fails if
the local is a fastforward of the remote, at which point there's nowhere we can
throw the commit message. Oh well. Just push it and we'll do our best to link
them up based on local commit info.
I am increasingly forming an opinion that Mercurial is "saftey-scissors git".
But also maybe I have no clue what I'm doing. I just don't understand why anyone
would think it's a good idea to have a trunk consisting of ~50% known-broken
revisions, random checkpoint parts, whitespace changes, typo fixes, etc. If you
use git with branching you can avoid this by making a trunk out of merges or
with rebase/amend, but there seems to be no way to have "one commit = one idea"
in any real sense in Mercurial.
Test Plan: Execute "arc merge" in git and mercurial.
Reviewers: fratrik, Makinde, aran, jungejason, tuomaspelkonen
Reviewed By: Makinde
CC: aran, epriestley, Makinde
Differential Revision: 860
Summary:
We have some git-specific logic on main pathways which should be in the API
class, move it around so "arc lint" with an engine works under Mercurial. This
resovles the error @makinde reported:
> PHP Catchable fatal error: Argument 1 passed to
ArcanistBaseWorkflow::parseGitRelativeCommit() must be an instance of
ArcanistGitAPI, instance of ArcanistMercurialAPI given, called in
/home/makinde/.arc_install/arcanist/src/workflow/lint/ArcanistLintWorkflow.php
on line 131 and defined in
/home/makinde/.arc_install/arcanist/src/workflow/base/ArcanistBaseWorkflow.php
on line 830
Test Plan: Ran "arc diff" in git and hg working copies, plus "arc lint" with a
configured "lint_engine".
Reviewers: Makinde, aran, jungejason, nh, tuomaspelkonen
Reviewed By: Makinde
CC: aran, Makinde
Differential Revision: 935
Summary: When a revision is created, attach relevant information about the local
commits which it came from if applicable. This supports T473, for DCVSes and
DCVS workflows with immutable history where we can't just amend commit messages.
It will also allow us to enrich the web interface.
Test Plan: Will verify this info shows up for this very diff.
Reviewers: fratrik, aran, jungejason, tuomaspelkonen
Reviewed By: fratrik
CC: aran, epriestley, fratrik
Differential Revision: 857
Summary:
There's a lot of ground left to cover but this makes "arc diff" work (on one
trivial diff) in my sandbox, at least, and supports parsing of Mercurial native
diffs (which are unified + a custom header). Piles of missing features, still.
Some of this is blocked by me not understanding the mercurial model well yet.
This is also a really good opportunity for cleanup (especially, reducing the
level of "instanceof" in the diff workflow), I'll try to do a bunch of that in
followup diffs.
Test Plan: Ran "arc diff" in a mercurial repository, got a diff out of it.
Reviewed By: aran
Reviewers: Makinde, jungejason, tuomaspelkonen, aran, codeblock
CC: aran, epriestley, codeblock, fratrik
Differential Revision: 792
