The spec doesn't actually need all the data loaded from the package
graph; all it needs are the locations of packages which can be looked up
using their IDs and a SourceRegistry.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1282083002 .

This also has it store its SourceRegistry, so that various methods don't
need to re-supply it.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1281043004 .

It never really made sense for this to be asynchronous; most sources
didn't even do any IO to determine the directory. The only exception was
the git source, which would actually *clone a repository* if one didn't
exist yet. This heavyweight behavior wasn't a good fit for what looks
like a lightweight method anyway.

Making this synchronous has a ripple effect of making a bunch of other
methods synchronous, too. Hooray for synchrony!

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1276673006 .

This reverts commit 7fbc1040, which
reverted commit dc626af3.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1272903002 .

Currently we don't auto-run "pub get" if there's no lockfile and also no
dependencies. We should, in order to create a self-link.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1277633004 .

This reverts commit dc626af3.

This broke due to dart-lang/sdk#23991.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1272833003 .

Previously this was using the packages/ directory, but that's no longer
reliable since there's now an option to not generate it.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1269393003 .

* The package spec's reference to the entrypoint package was pointing to
  the hosted cache rather than the package's directory. This was caused
  by the package graph's instance of the entrypoint package incorrectly
  pointing to the cache; the graph now re-uses `entrypoint.root`.

* The package spec didn't contain relative paths for relative path
  dependencies. This was being missed by our tests because the package
  spec parser was automatically converting all paths to absolute at
  parse-time.

Closes #1294

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//1228093003 .

R=nweiz@google.com

Review URL: https://codereview.chromium.org//1096723002.

BUG= http://dartbug.com/23113
R=kevmoo@google.com

Review URL: https://codereview.chromium.org//1087053003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@45147 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//868463003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@43057 260f80e4-7a28-3924-810f-c04153c831b5

This fixes the "Could not find asset" issue people were seeing on "pub
upgrade".

R=rnystrom@google.com
BUG=21810

Review URL: https://codereview.chromium.org//792993004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42273 260f80e4-7a28-3924-810f-c04153c831b5

This also makes "pub cache repair" repair activated packages, including updating
the binstub format.

R=rnystrom@google.com
BUG=21463

Review URL: https://codereview.chromium.org//745153002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42055 260f80e4-7a28-3924-810f-c04153c831b5

This also makes pub print more detailed timing information in
--verbose mode.

R=rnystrom@google.com
BUG=20859

Review URL: https://codereview.chromium.org//600293002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41407 260f80e4-7a28-3924-810f-c04153c831b5

BUG=https://github.com/dart-lang/async_await/issues/68
R=ricow@google.com

Review URL: https://codereview.chromium.org//655703004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41126 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//655943002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41112 260f80e4-7a28-3924-810f-c04153c831b5

A package's executables may not use all of that package's transformers. This is
especially true for browser frameworks where there's a clear divide between
client-side and server-side code. This uses pub's existing dependency-sniffing
infrastructure to figure out which transformers can be omitted.

This takes "pub run polymer:new_element --help" from 1.52s to 0.96s.

R=rnystrom@google.com
BUG=20859

Review URL: https://codereview.chromium.org//599993004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40659 260f80e4-7a28-3924-810f-c04153c831b5

BUG=20859
R=rnystrom@google.com

Review URL: https://codereview.chromium.org//583853002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40612 260f80e4-7a28-3924-810f-c04153c831b5

R=nweiz@google.com

Review URL: https://codereview.chromium.org//586173002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40598 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//581283003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40559 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com
BUG=20859

Review URL: https://codereview.chromium.org//576333002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40477 260f80e4-7a28-3924-810f-c04153c831b5

This shaves off a pretty significant amount of time for packages that are
transformed but whose transformers never change (I saw a ~450ms gain in one of
my tests).

R=rnystrom@google.com
BUG=20859

Review URL: https://codereview.chromium.org//559833004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40392 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//548603002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39938 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com
BUG=20483

Review URL: https://codereview.chromium.org//475093003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39787 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com
BUG=20482

Review URL: https://codereview.chromium.org//494943002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39528 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com
BUG=20482

Review URL: https://codereview.chromium.org//491993002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39441 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//489943002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39437 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com
BUG=20482

Review URL: https://codereview.chromium.org//491103002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39431 260f80e4-7a28-3924-810f-c04153c831b5

R=rnystrom@google.com
BUG=20482

Review URL: https://codereview.chromium.org//482053002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@39424 260f80e4-7a28-3924-810f-c04153c831b5

BUG=https://code.google.com/p/dart/issues/detail?id=19902

Committed: https://code.google.com/p/dart/source/detail?r=38798

R=nweiz@google.com

Review URL: https://codereview.chromium.org//428313004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@38945 260f80e4-7a28-3924-810f-c04153c831b5

This will help the editor test against the no-symlink behavior before
we roll it out to the world.

BUG=20253
R=danrubel@google.com, rnystrom@google.com

Review URL: https://codereview.chromium.org//427853002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@38702 260f80e4-7a28-3924-810f-c04153c831b5

This means commands don't have to declare that they need.
It also ensures the pubspec isn't parsed until JSON output has been selected.

BUG=http://dartbug.com/20066, http://dartbug.com/20065
R=nweiz@google.com

Review URL: https://codereview.chromium.org//397843005

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@38291 260f80e4-7a28-3924-810f-c04153c831b5

This is useful for ensuring that a package's dependencies' lower bounds are
correct.

R=rnystrom@google.com
BUG= https://code.google.com/p/dart/issues/detail?id=15670

Review URL: https://codereview.chromium.org//365993007

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@38220 260f80e4-7a28-3924-810f-c04153c831b5

R=nweiz@google.com

Review URL: https://codereview.chromium.org//364943004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37967 260f80e4-7a28-3924-810f-c04153c831b5

BUG=https://code.google.com/p/dart/issues/detail?id=18538
R=nweiz@google.com

Review URL: https://codereview.chromium.org//354763006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37963 260f80e4-7a28-3924-810f-c04153c831b5

BUG=https://code.google.com/p/dart/issues/detail?id=18538
R=nweiz@google.com

Review URL: https://codereview.chromium.org//331593012

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37832 260f80e4-7a28-3924-810f-c04153c831b5

This is prep work for global packages, which need to ensure their
dependencies are local, but do not want to create symlinks for them.

R=nweiz@google.com

Review URL: https://codereview.chromium.org//357483004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37672 260f80e4-7a28-3924-810f-c04153c831b5

Also add support for --dry-run to pub get.

BUG=dartbug.com/19439 dartbug.com/15587
R=nweiz@google.com

Review URL: https://codereview.chromium.org//342763003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37525 260f80e4-7a28-3924-810f-c04153c831b5

In particular, this makes barback and the "pub lish" validators use gitignore
rules.

R=rnystrom@google.com
BUG=12102, 11198

Review URL: https://codereview.chromium.org//342553002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37469 260f80e4-7a28-3924-810f-c04153c831b5

BUG=https://code.google.com/p/dart/issues/detail?id=10582
R=nweiz@google.com

Review URL: https://codereview.chromium.org//344493003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@37464 260f80e4-7a28-3924-810f-c04153c831b5