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Ted Blackman 155ab60609
ford: dequeue orphans 
@ixv recently uncovered a bug (#2180) in Ford that caused certain
rebuilds to crash. @Fang- and I believe this change should fix the bug,
and we have confirmed that the reproduction that used to fail about two
thirds of the time now has not failed at all in the ten or so times
we've run it since then. @Fang- is still running more tests to confirm
the fix with more certainty.

It turned out the cause was that (depending on the rebuild order, which
is unspecified and should not need to be specified), Ford could enqueue
a provisional sub-build to be run but then, later in the same +gather
call, discover that the sub-build was in fact an orphan and delete it
from builds.state accordingly. Then when Ford tried to run the
sub-build, it would have already been deleted from the state, so Ford
would crash when trying to process its result in +reduce.

The fix was to make sure that when we discover a provisional sub-build
is orphaned, dequeue it from candidate-builds and next-builds to make
sure we don't try to run it. I'm about 95% sure this fix completely
solves the bug.
2020-01-28 17:29:24 +04:00
bin ford: dequeue orphans 2020-01-28 17:29:24 +04:00
doc/spec Misc cleanup blocking CC-Release. (#1249) 2019-04-24 17:27:27 -07:00
extras Misc cleanup blocking CC-Release. (#1249) 2019-04-24 17:27:27 -07:00
nix build: allow baking multiple pills into docker images 2019-12-18 12:02:18 +01:00
pkg ford: dequeue orphans 2020-01-28 17:29:24 +04:00
sh test-arvo-upgrade-path: don't install vere [ci skip] 2020-01-23 04:34:28 +04:00
.gitattributes apps: designate compiled js/css files as binary 2019-11-05 11:52:58 +08:00
.gitignore link: add minimal link-server-hook and link-webext 2019-12-11 20:49:50 +01:00
.mailmap meta: update .mailmap [ci skip] 2019-12-19 08:49:40 -03:30
.travis.yml ci: remove whitespace test [ci skip] 2020-01-14 11:30:00 -08:00
CONTRIBUTING.md contributing: use alternative rebase tutorial [ci skip] 2019-12-18 08:29:22 -03:30
default.nix Nix Build + Monorepo Structure (#1196) 2019-03-04 16:43:53 -08:00
MAINTAINERS.md meta: add a basic maintainers' guide [ci skip] 2019-12-21 13:44:01 -03:30
Makefile build: add ropsten-pills target to Makefile 2019-10-24 10:03:52 +08:00
README.md readme: update bridge URL [ci skip] 2020-01-23 04:38:27 +04:00

README.md

Urbit

A personal server operating function.

The Urbit address space, Azimuth, is now live on the Ethereum blockchain. You can find it at 0x223c067f8cf28ae173ee5cafea60ca44c335fecb or azimuth.eth. Owners of Azimuth points (galaxies, stars, or planets) can view or manage them using Bridge, and can also use them to boot Arvo, the Urbit OS.

Install

To install and run Urbit, please follow the instructions at urbit.org/docs/getting-started/. You'll be on the live network in a few minutes.

If you're interested in Urbit development, keep reading.

Development

Build Status

Urbit uses Nix to manage builds. On Linux and macOS you can install Nix via:

curl https://nixos.org/nix/install | sh

The Makefile in the project's root directory contains useful phony targets for building, installing, testing, and so on. You can use it to avoid dealing with Nix explicitly.

To build Urbit, for example, use:

make build

The test suite can similarly be run via a simple:

make test

Note that some of the Makefile targets need access to pills tracked via git LFS, so you'll also need to have those available locally:

git lfs install
git lfs pull

Contributing

Contributions of any form are more than welcome! Please take a look at our contributing guidelines for details on our git practices, coding styles, how we manage issues, and so on.

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