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51 commits

Author SHA1 Message Date
Joshua Spence
ff1915ecff Apply various linter fixes.
Summary: Applied various linter fixes. Also make the `.editorconfig` file a bit more specific. Unfortunately, `arc lint --apply-patches` currently modifies some test data that it shouldn't, but this should be fixed after T5105.

Test Plan: Ran `arc unit` to make sure things weren't broken.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin, aurelijus

Differential Revision: https://secure.phabricator.com/D9440
2014-06-10 11:02:42 -07:00
epriestley
50caec620a Point github.com/facebook URIs at github.com/phacility (Arcanist Edition)
Summary: See D9328.

Test Plan: `grep`

Reviewers: chad

Reviewed By: chad

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D9329
2014-05-29 09:15:33 -07:00
Joshua Spence
17820442da Change double quotes to single quotes.
Summary: Ran `arc lint --apply-patches --everything` over rARC, mainly to change double quotes to single quotes where appropriate. These changes also validate that the `ArcanistXHPASTLinter::LINT_DOUBLE_QUOTE` rule is working as expected.

Test Plan: Eyeballed //most// of the diff.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin, aurelijus

Differential Revision: https://secure.phabricator.com/D9269
2014-05-23 13:53:05 -07:00
epriestley
e34bdf6c74 Fix diffusion.looksoon call to actually work
Summary:
This is all derped up, and we ignore the error so old installs don't break.

Underp it.

Test Plan: Did `arc land`, verified that the call actually went through successfully.

Reviewers: btrahan, davedash

Reviewed By: davedash

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D9271
2014-05-23 11:00:07 -07:00
James Rhodes
6b8552291d Handles an issue in windows with large code bases not squash merging correctly.
Summary: Handles an issue in windows with large code bases not squash merging correctly, this only catches the issue it doesn't really do any recovery.

Test Plan: We have been running this change in our work environment, it's a hard bug to replicate but when it has reared it's head this has caught it.

Reviewers: waynea, #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin, hach-que

Maniphest Tasks: T4884

Differential Revision: https://secure.phabricator.com/D8729
2014-05-21 10:15:31 +10:00
epriestley
03ea43646a Fix up quotes on a silly string
Summary: This string is quite silly!

Test Plan: `arc land --hold` in an affected working copy.

Reviewers: btrahan, chad

Reviewed By: chad

Subscribers: epriestley

Differential Revision: https://secure.phabricator.com/D9212
2014-05-20 11:34:22 -07:00
Bob Trahan
b6b9fdffb5 Fix a typo in land workflow
Summary: Contine is not a word methinks.

Test Plan: looks better

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D8997
2014-05-07 09:15:14 -07:00
epriestley
6e597b292a Show build results in arc land
Summary:
Fixes T4809. When landing a revision, check for a (non-manual) buildable of the current diff. If we find one, check its status:

  - If it passed, print out a message to inform the user that we checked.
  - If it failed or is still building, print out details about the issue and require a confirmation to continue.
  - Just ignore other cases.

Test Plan:
  - Ran `arc land` on a revision with no buildable, a passing buildable, a failed buildable, and a building buildable for the current diff.
  - Got sensible output / prompts.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4809

Differential Revision: https://secure.phabricator.com/D8801
2014-04-17 15:59:54 -07:00
epriestley
23c9e87fdf After landing to a repository, hint that it should be updated
Summary: Fixes T4605. Smart waits (see D8782) are presumably good on the balance, but may cause some delays when changes are made to rarely updated repositories. To help mitigate this, have `arc land` hint that a repository has changed.

Test Plan: Will run `arc land`.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T4605

Differential Revision: https://secure.phabricator.com/D8783
2014-04-16 13:01:14 -07:00
Bob Trahan
02456c0aed Arcanist - stop arc land if local is ahead of remote
Summary: Fixes T4291. Also pht user-facing strings.

Test Plan:
made a branch `foo` off master. made a commit and a diff in `foo`. switched backed to master and cowboy committed some thing. went back to branch`foo`, did an arc land, and saw the error message. went back to master, did a git resert --hard HEAD^1, went back to branch `foo`, and then successfully arc landed.

also ran arc help land and things looked good

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T4291

Differential Revision: https://secure.phabricator.com/D8738
2014-04-09 12:35:31 -07:00
Bob Trahan
f099168aa8 Make "arc land" support landing someone else's code that got there via arc patch
Summary: Ref T4670.

Test Plan: arc patch D8685; arc land --hold; verified i got a nice message asking me to be sure i wanted to land epriestley's code

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T4670

Differential Revision: https://secure.phabricator.com/D8709
2014-04-07 11:44:14 -07:00
Bob Trahan
37dac61131 Arcanist - add revision data to TYPE_LAND_WILLPUSHREVISION event
Summary:
pretty straight-forward stuff here. Note that in other events we use "fields" or "specification" rather than "revision"; I think "revision" is best particularly in this context where it is in fact the revision being landed.

Fixes T4565.

Test Plan: php -l

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: aran, epriestley, Korvin

Maniphest Tasks: T4565

Differential Revision: https://secure.phabricator.com/D8484
2014-03-11 15:21:46 -07:00
Guy Warner
14f2f7fdd2 Arc output the correct action being taken
Summary: Fixes T3929. If arc is merging it will say merging * into * vs always saying rebasing * onto *

Test Plan: Make arc do a rebase, then a merge

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley

CC: Korvin, epriestley, aran

Maniphest Tasks: T3929

Differential Revision: https://secure.phabricator.com/D8085
2014-01-28 08:54:01 -08:00
Aviv Eyal
a2285b2b5a Extract configuration read/write methods out of BaseWorlkflow
Summary:
Create a new class for them, pass instance around as need.

This looks like it's mostly working, but I'd like to replace the various `new ArcanistConfigurationManager()`
calls with something more suitable.

And maybe get a better name for ArcanistConfigurationManager ("Configuration" is already taken).

Test Plan: arc unit --everything, and then some.

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley

CC: Korvin, epriestley, aran, chad

Differential Revision: https://secure.phabricator.com/D7271
2013-10-18 16:10:45 -07:00
Bob Trahan
67061480f9 Tighten up "arc land"
Summary:
Make sure on failure (restoreBranch()) we call `git submodule update --init --recursive` to handle all those purdy submodules. For the pushing step, wrap the push commands in the try / catch block so everything gets cleaned up nice if there's failure. BONUS - add --recursive to arc patch workflow to so nested submodules work correctly. (Crazy git users)

Fixes T3407, T2945.

Test Plan: I wasn't sure how to simulate a good "push" failure but I think this should work.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Maniphest Tasks: T2945, T3407

Differential Revision: https://secure.phabricator.com/D6885
2013-09-05 12:45:59 -07:00
durham
8465c4dd53 Fix arc land for mercurial on windows
Summary:
arc for mercurial on windows was broken in several way.
Executing a command via passthru failed because passthru on windows
skips the shell so 'set HGPLAIN=1 & ...' was an invalid command. The
fix was to just not set HGPLAIN for passthru commands on windows.

Also removed hardcoded '' quotes in mercurial commands since windows
doesn't support single quots.

Test Plan: arc land --hold on a windows machine

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6763
2013-08-14 18:00:51 -07:00
Martin Kralik
3401b2a5d2 Added missing space between words in messages.
Summary:
During my attept to `arc land master` on `master` branch
I have discovered that error message is missing few spaces between words.

I have added them and used this ugly readonly command:

  pcregrep --include="\.php$" -M -r '(?<!\\n| )("|'"'"')\.\n\s*\1(?!\\n| )' ~/arc/arcanist/src

to detect other instances of this serious bug.

Two more were found.
This time they were probably introduced in order to abide
to the draconian lint rule about number of columns.

Since I want to be a good citizen,
I have added this missing space to the begining of the next line in both cases.
It is an ugly hack, but I think user should not suffer due to missing spaces.

Another solution could be preserving no leading spaces and splitting long lines.
Or just providing excuse to lint.

Test Plan: Ran `arc land master` on `master` branch.

Reviewers: epriestley, vrana

Reviewed By: epriestley

CC: aran, Korvin

Maniphest Tasks: T3008

Differential Revision: https://secure.phabricator.com/D5827
2013-05-03 16:12:17 -07:00
san
410ea5dc32 Adding -- to the end of git log so can arc land when the branch is
named the same as a file path.

Summary: (In fbcode and www at least, the only places I tried) if a
branch happens to be named the same as a file path (from root) (like if
a branch is called `spec` and there is a directory in `www` called
`spec`) then `arc land` will fail with git complaining that the argument
(to `git log ...`) is ambiguous as it could refer to both a path and a
revision; so this diff adds a `--` to the end so that git knows that
both are revisions and not paths.

Test Plan: Try and land something from www (I did, see D752219) where
the branch is named `spec`.

Reviewed by: epriestley
2013-04-23 06:37:38 -07:00
durham
e573610ce4 Add arc.land.update.default config for setting the default strategy
Summary:
This adds a arcconfig setting to allow specifying whether to use the merge
or rebase strategy when doing the feature branch update.
arc.land.update.default can be set to either 'rebase' or 'merge'.  The command
line flags will override this setting.

We have had trouble with arc land producing merge commits (introduced
with D4080) in git. They usually appear when arc land fails, and our users
are confused by the presence of a merge commit afterwards. Today it got even
worse since a user managed to get arc land to push the merge commit to the
server. This setting will allow us to turn it off for our uses.

Test Plan:
Verified the following combinations:
update.default not set + arc land (saw git merge in the trace)
update.default = 'rebase' + arc land (saw git rebase)
update.default = 'merge' + arc land (saw git merge)
update.default = 'rebase' + arc land --update-with-merge (saw git merge)
update.default = 'merge' + arc land --update-with-rebase (saw git rebase)

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5683
2013-04-14 11:48:22 -07:00
Jakub Vrana
3af36c6a4e Hide Git merge stats in arc land
Test Plan:
  $ arc land # in Git repo

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5599
2013-04-06 09:23:41 -07:00
Jakub Vrana
c77ec2bdc6 Escape ^ on command line (significant on Windows) 2013-04-05 23:17:40 -07:00
Jakub Vrana
576c47aaa1 Don't use command output as formatted string in arc land 2013-04-05 23:09:35 -07:00
durham
b7a2766130 Make arc land list the commits being landed.
Summary:
Arc land is a bit magical and some users have gotten bitten by
the fact that it collapses and lands every commit on the branch. To make
it explicit what is being landed, it now shows a list of the commits
that are being landed.  I also added a --preview flag that will just
print the commits that would be landed, but does nothing else.

Hopefully this make arc land a little less magical for people.

Test Plan:
arc land in the following scenarios:
- Landing one change
- Landing no changes
- Landing a stack of changes

Did it with hg and git.

Reviewers: epriestley

Reviewed By: epriestley

CC: nh, sid0, dschleimer, bos, aran, Korvin

Differential Revision: https://secure.phabricator.com/D5460
2013-03-29 10:08:23 -07:00
durham
9963323b91 Make arc land for hg more robust to failures
Summary:
Adds error handling for several kinds of failure in arc land for
mercurial.  Previously it would often leave the repo in a confusing state
if something failed.

- Aborts the land if pull brings in a diverged 'onto' branch.
- Aborts the rebase if there is a conflict. This leaves the repo exactly as
it was before, so the user is not left with a half finished rebase.
- Don't delete the original non-squashed branch until the push succeeds.
- If the push fails, strip the temporary squashed commit. This leaves the
'onto' branch back on the latest commit from the server, and leaves the users
original nonsquashed branch around.
- Always leave the user back on their original branch after an error.

Test Plan:
Ran arc land:
- with pull causing a diverged 'onto' bookmark
- with the 'onto' bookmark already diverged
- with the rebase causing conflicts
- with a push that failed due to a commit hook
- with a successful land
- with a successful collapse and land

In all failure cases the repo was left exactly as it was before arc land,
except for the push-failed case, where the only change was that the branch
was correctly on top of the destination branch due to a successful rebase.

Used bookmark name "foo bar-gah" to test that crazy bookmark names still work.

Reviewers: epriestley, dschleimer, sid0

Reviewed By: epriestley

CC: nh, wez, bos, aran, Korvin

Differential Revision: https://secure.phabricator.com/D5394
2013-03-20 15:06:10 -07:00
Alok Menghrajani
7bf26484fb Dispatch an event in arc land right before pushing a revision
Summary: I looked at the pros & cons at adding hooks in git/hg vs arc land and I prefer arc land.

Test Plan:
* added an event listener and made sure I could handle the event.
* made sure things get reverted when the event handler throws an exception.

Reviewers: vrana, epriestley, pieter

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5268
2013-03-08 18:32:36 -08:00
vrana
c4773c87ba Improve the description of using arc land --revision
Summary: The message suggests that only one revision would land.

Test Plan: Read it.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5277
2013-03-07 21:28:04 -08:00
epriestley
42235d9f1f Minor, fix arc land for the case of no dependencies.
Auditors: Afaque_Hussain
2013-03-07 17:22:24 -08:00
Afaque Hussain
dd3d33c610 If a revision depends on another revision which has not yet been closed, warn the developer
Summary: Have arc land inspect the revision if it depends on some other revisions which haven't been closed yet. If yes, then warn users.

Test Plan: Will test them locally.

Reviewers: epriestley, AnhNhan

CC: aran, Korvin, AnhNhan

Differential Revision: https://secure.phabricator.com/D5262
2013-03-07 09:02:51 -08:00
mconnor
0e254f769d Use bookmark terminology if arc land on hg bookmark
Summary: Changes message for `arc land` that displays current branch or bookmark (if none is specified) to appropriately use the term 'bookmark' when on a bookmark in an hg repository.

Test Plan:
Ran `arc land` on new git and hg repositories, checking for correct identification of 'branch' or 'bookmark'.

~/test$ mkdir hg-test
~/test$ mkdir git-test
~/test$ cd hg-test
~/test/hg-test$ hg init
~/test/hg-test$ hg branch
default
~/test/hg-test$ hg bookmarks
no bookmarks set
~/test/hg-test$ arc land
Landing current branch 'default'.
Usage Exception: You can not land a branch onto itself -- you are trying to land 'default' onto 'default'. For more information on how to push changes, see 'Pushing and Closing Revisions' in 'Arcanist User Guide: arc diff' in the documentation. You may be able to 'arc amend' instead.
~/test/hg-test$ hg bookmark testmark
~/test/hg-test$ hg bookmarks
 * testmark                  -1:000000000000
~/test/hg-test$ hg branch
default
~/test/hg-test$ arc land
Landing current bookmark 'testmark'.
Usage Exception: Source testmark is a bookmark but destination default is not a bookmark. When landing a bookmark, the destination must also be a bookmark. Use --onto to specify a bookmark, or set arc.land.onto.default in .arcconfig.

Confirm still works on a git branch:

~/test/hg-test$ cd ../git-test/
~/test/git-test$ ls
~/test/git-test$ git init
Initialized empty Git repository in ~/test/git-test/.git/
~/test/git-test$ touch testfile
~/test/git-test$ git commit -am 'Test file'
~/test/git-test$ git branch
* master
~/test/git-test$ arc land
Landing current branch 'master'.
Usage Exception: You can not land a branch onto itself -- you are trying to land 'master' onto 'master'. For more information on how to push changes, see 'Pushing and Closing Revisions' in 'Arcanist User Guide: arc diff' in the documentation. You may be able to 'arc amend' instead.

Reviewers: DurhamGoode, epriestley

Reviewed By: DurhamGoode

CC: aran, epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D5163
2013-03-01 14:04:05 -08:00
durham
eda3fc2ab4 Improve mercurial 'arc land' perf by avoiding updates
Summary:
Mercurial 'arc land --hold' was taking 90+ seconds on our large
repository.  Since most of arc land doesn't require any particular working
directory, I've changed the mercurial logic to avoid all updates except for
two: the one prior to finding the revision (only applies if the user specified
--branch), and the one at the end to leave the user in a good state.

Also got rid of a 'hg outgoing' call when phases are supported. Also changed
the hg-subversion detection to just look for .hg/svn instead of running 'hg
svn info', which was taking 4 seconds.

Now arc land takes about 50 seconds. Still much worse than git's 25 seconds.
One big hot spot is in the two 'hg rebase' calls, which account for 25 seconds
(versus 11 seconds of git).

Test Plan:
Tested arc land with mercurial and git. Tested with and without the --branch
options.

Reviewers: epriestley, bos, sid0, dschleimer

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D5014
2013-02-19 13:36:02 -08:00
durham
0795edfe1a Fix hg 'arc land' when the mq extension is not enabled
Summary:
Mercurial 'arc land' uses the 'hg strip' command to clean up after
itself, but this command isn't available unless the mq extension is enabled.
The fix is to enable it for that particular command only.

Test Plan: Ran 'arc land' with the mq extension disabled.  It worked.

Reviewers: epriestley, bos, sid0, dschleimer

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4955
2013-02-14 11:37:49 -08:00
vrana
46dfc64337 Restore kept branch after landing
Test Plan: Ran it separately.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4846
2013-02-07 17:27:34 -08:00
vrana
6d521f3b3f Disable pull stat in arc land
Test Plan:
  $ git pull --no-stat

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4754
2013-01-31 11:54:38 -08:00
vrana
c45053da4c Reset master after unsuccessful push
Test Plan: None.

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4717
2013-01-29 12:12:31 -08:00
vrana
0586b12d2f Allow running arc land after git svn rebase
Summary: `git pull` may fail in git-svn after rebasing (which is a side effect of dcommit).

Test Plan:
  $ git svn rebase
  $ git log trunk..master
  $ git pull --ff-only; echo $?

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4716
2013-01-28 17:47:17 -08:00
epriestley
410b58a2e2 Correct a bunch of mercurial revset construction
Summary: Possibly improves T2387 state of the world?

Test Plan: not yet

Reviewers: bos, DurhamGoode

Reviewed By: DurhamGoode

CC: aran

Maniphest Tasks: T2387

Differential Revision: https://secure.phabricator.com/D4712
2013-01-28 16:28:14 -08:00
durham
c8efb41811 Fix hg arc land on hg-svn repos
Summary:
arc land on a hg-svn repository would fail because arc land
uses 'hg push -r' to specify which revs to push which is not supported
by hg-svn. Now we just use 'hg push' which, when used against svn, only
pushes the current branch (which happens to be the branch we're trying to land).

We can't use standard 'hg push' for non-svn repos though because when used
against a vanilla hg repo 'hg push' pushes all branches.

Also remove --new-branch from 'hg push' because it's extremely
unlikely that a person wants to create a new branch on the server via
arc land.

Test Plan:
Ran arc land on a normal hg repo, verified it used 'hg push -r'.
Ran arc land on a hg-svn repo, verified it used 'hg push' and it pushed the
correct changes.

Reviewers: epriestley, sid0, dschleimer

Reviewed By: epriestley

CC: bos, aran, Korvin

Maniphest Tasks: T2403

Differential Revision: https://secure.phabricator.com/D4653
2013-01-25 14:00:52 -08:00
durham
880964af83 Allow hg arc land when no rebase is necessary
Summary:
Previously, trying to arc land in a mercurial repo would
fail if the local branch was already at the tip of the onto branch
(since hg rebase exited with code 1).  This change makes it check
if a rebase is needed before executing the rebase.

Test Plan:
hg init foo
cd foo
hg bookmark master
touch a && hg add a && hg commit -ma
// setup your .arcconfig
cd ..
hg clone foo foo2
cd foo2
hg bookmark mybook
touch b && hg add b && hg commit -mb
arc land --onto master --revision <your rev number>

Arc land should succeed.  I also tried landing when a rebase was
necessary and it still worked.

Reviewers: epriestley, dschleimer, bos

Reviewed By: epriestley

CC: sid0, aran, Korvin

Differential Revision: https://secure.phabricator.com/D4588
2013-01-22 15:20:10 -08:00
vrana
8142aab9d3 Fix whitespace around else 2013-01-16 12:15:46 -08:00
epriestley
cffe1942ec Improve arc land recovery from issues with the remote.
Summary:
Fixes T2138.

  - When a pull fails, restore the original branch.
  - When a push fails, complain about it really loudly.

NOTE: No test plan for push yet since I'm not sure this is the right remedy, see T2138 for discsusion.

Test Plan:
  - Tested pull by changing "git pull" to "git xxpull" and running "arc land". Saw the pull fail and my original branch restored.

Reviewers: vrana, aran

Reviewed By: vrana

Maniphest Tasks: T2138

Differential Revision: https://secure.phabricator.com/D4265
2012-12-21 14:18:07 -08:00
epriestley
0bf5c3603c Refactor commit ranges and base commit handling
Summary:
See D4049, D4096.

  - Move commit range storage from Mercurial and Git APIs to the base API.
  - Move caching up to the base level.
    - Store symbolic name and resolved name separately, so we can re-resolve the correct commit from the symbolic name after dirtying caches.
  - Rename `supportsRelativeLocalCommit()` to `supportsCommitRanges()` (old name wasn't very good, and not consistent with new terminology like the `--base` flag).
  - Rename `getRelativeCommit()` and `setRelativeCommit()` to `getBaseCommit()` and `setBaseCommit()`.
  - Introduce `reloadCommitRange()` and call it from `reloadWorkingCopy()`.

I think this fixes the problem in D4049, and provides a general solution for the class of problems we're running into here, with D4096. Specifically:

  - We no longer get dirty caches, as long as you call reloadWorkingCopy() after changing the working copy (or call a method which calls it for you).
  - We no longer get order-of-parsing-things problems, because setBaseCommit() reloads the appropriate caches.
  - We no longer get nasty effects from calling `requireCleanWorkingCopy()` too early.

Test Plan: This is pretty far-reaching and hard to test. Unit tests; ran various arc commands. :/

Reviewers: vrana

Reviewed By: vrana

CC: aran

Differential Revision: https://secure.phabricator.com/D4097
2012-12-17 12:54:08 -08:00
durham
f476d1a0c5 add arc land hg support for landing with nested branches
Summary:
This changes arc land's hg support to allow you to land a branch or bookmark that has nested branches/bookmarks.  Example:

      // Initial state:
      // -a--------b  master
      //   \
      //    w--x  mybranch
      //        \--y  subbranch1
      //         \--z  subbranch2
      //
      // arc land --branch mybranch --onto master :
      // -a--b--wx  master
      //          \--y  subbranch1
      //           \--z  subbranch2

Test Plan:
Created several repos like in the summary and ran 'arc land' and 'arc land --keep-branch'. Did this with both bookmarks and named branches. Scenarios tested:

- mybranch having no child commits
- mybranch having a child branch with several commits
- mybranch having two child branches
- mybranch having a child branch which has two more child branches

No code was added outside of a "if ($this->isHg)" so I didn't run git arc land.

Reviewers: epriestley, dschleimer, bos, sid0

Reviewed By: dschleimer

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4089
2012-12-14 11:23:44 -08:00
epriestley
2d7224f0e3 Add an experimental "--mergeup" flag to use a less volatile merge strategy in "arc land"
Summary:
See chatlog from https://secure.phabricator.com/chatlog/channel/%23phabricator/?at=37257

Basically, the install's developers sometimes use "git merge master" instead of "git rebase master" to pull changes from master into their branch. When we run "git rebase master" at the end, this creates a lot of conflicts.

Instead, optionally run "git merge master". This should be equivalent in our case (where we always rebase) and much better in their case (where they sometimes merge).

We're both going to use it for a bit and see if it creates problems. If it improves the "sometimes-merge" workflow without affecting the "always rebase" workflow, we can make it a default. If it improves theirs but damages ours, we can keep it a flag/option. If it's just terrible, we can figure out something else.

Test Plan:
Ran `arc land --mergeup --trace <feature> --keep-branch --hold`, see P624 for output. Observed merge update strategy and general success.

Also verified the conflict:

  $ arc land --mergeup --merge
  Usage Exception: Arguments '--mergeup' and '--merge' are mutually exclusive: The --merge strategy does not update the feature branch.

Reviewers: btrahan, vrana, DurhamGoode

Reviewed By: btrahan

CC: aran, keir

Differential Revision: https://secure.phabricator.com/D4080
2012-12-13 14:11:52 -08:00
vrana
c68a048213 Support git svn dcommit in arc land
Test Plan:
  $ arc land # in Git SVN repository

Reviewers: epriestley

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4123
2012-12-10 12:28:44 -08:00
durham
aada1440ef Add hg support for arc land
Summary:
Makes arc land support hg repositories. Both bookmarks and named branches can be landed.  For the most part all the arc land options work, but there are a few caveats:

- bookmarks can only be landed on bookmarks
- branches can only be landed on branches
- landing a named branch with --merge creates a commit to close the branch before the merge.
- since mercurial doesn't start with a default master bookmark, landing a bookmark requires specifying --onto or setting arc.land.onto.default

Test Plan:
Tested arc land with all permutations of --merge, --keep-branch on both bookmark branches and named branches.  Also tested --hold, --revision, --onto, --remote.

See https://secure.phabricator.com/P619

Also tested git arc land with --merge and --keep-branch.

Reviewers: dschleimer, sid0, epriestley, bos

Reviewed By: epriestley

CC: aran, Korvin

Differential Revision: https://secure.phabricator.com/D4068
2012-12-03 17:59:12 -08:00
epriestley
886c1721dd Restore order of operations after D4056
Summary:
See discussion in D4056. In `findRevision()` we call `loadWorkingCopyDifferentialRevisions()`. However, this method depends upon the state of the working copy, because the end of the commit range it examines is HEAD. Prior to D4056 we checked out the target branch before calling `findRevision()`; after D4056 we call it earlier.

This isn't problematic in the `arc land` case, but in the `arc land <branch>` case it means we may fail to identify a revision, or identify the wrong revision, because HEAD isn't where we expect it to be.

Instead, unconditionally check out the target branch before finding the revision.

See <http://dl.dropbox.com/u/116385/Slingshot/Pictures/Screen%20Shot%202012-12-03%20at%203.43.45%20PM.png> for a transcript of the issue.

Test Plan: Reproduced issue as per link above. Ran `arc land --keep-branch --hold somebranch` successfully after this patch.

Reviewers: DurhamGoode, zeeg

Reviewed By: DurhamGoode

CC: aran

Differential Revision: https://secure.phabricator.com/D4072
2012-12-03 16:31:45 -08:00
durham
3602d2aa15 Break arc land run() into smaller functions
Summary:
Refactor the arc land code into several
functions so it's easier to maintain. This is in
preparation for adding hg support to arc land
in my next commit.

Without this refactor, adding hg support makes the run()
function too big.

Test Plan:
Set up a git repo and clone with a branch scenario.
Example: https://secure.phabricator.com/P614
Ran and verified:
arc land
arc land --keep-branch
arc land --merge
arc land --merge --keep-branch
arc land --hold
arc land --revision <another phabricator rev>

Reviewers: epriestley

Reviewed By: epriestley

CC: dschleimer, sid0, aran, Korvin

Differential Revision: https://secure.phabricator.com/D4056
2012-12-03 13:03:13 -08:00
vrana
66d204be81 Delete license headers from files
Summary:
This commit doesn't change license of any file. It just makes the license implicit (inherited from LICENSE file in the root directory).

We are removing the headers for these reasons:

- It wastes space in editors, less code is visible in editor upon opening a file.
- It brings noise to diff of the first change of any file every year.
- It confuses Git file copy detection when creating small files.
- We don't have an explicit license header in other files (JS, CSS, images, documentation).
- Using license header in every file is not obligatory: http://www.apache.org/dev/apply-license.html#new.

This change is approved by Alma Chao (Lead Open Source and IP Counsel at Facebook).

Test Plan: Verified that the license survived only in unit tests and LICENSE file.

Reviewers: epriestley, btrahan, edward

Reviewed By: epriestley

CC: aran, Korvin, davidrecordon

Maniphest Tasks: T2035

Differential Revision: https://secure.phabricator.com/D3881
2012-11-05 11:16:24 -08:00
epriestley
4c476c0201 Make Arcanist workflow names explicit
Summary:
Currently, adding a new workflow requires you to override ArcanistConfiguration, which is messy. Instead, just load everything that extends ArcanistBaseWorkflow.

Remove all the rules tying workflow names to class names through arcane incantations.

This has a very small performance cost in that we need to load every Workflow class every time now, but we don't hit __init__ and such anymore and it was pretty negligible on my machine (98ms vs 104ms or something).

Test Plan: Ran "arc help", "arc which", "arc diff", etc.

Reviewers: edward, vrana, btrahan

Reviewed By: edward

CC: aran, zeeg

Differential Revision: https://secure.phabricator.com/D3691
2012-10-17 08:35:03 -07:00
epriestley
1d5a2aff20 Allow the "arc land --onto" default to be read from user config
Summary: Allow the default to be set in global config, not just project config.

Test Plan: `arc set-config arc.land.onto.default derp; arc land`

Reviewers: btrahan, vrana

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D2686
2012-06-20 12:29:07 -07:00