[dart-misc] failed travis pub get in dev, but fine in stable

Daniel Davidson

2016-03-29 17:04:04 UTC

The stable version of my package completes fine in travis. The dev version
does not and fails on pub.

https://travis-ci.org/patefacio/ebisu

It is the typical pub failure where it says:

time pub upgrade "/home/dbdavidson/dev/open_source/ebisu/pubspec.yaml"
Resolving dependencies... (2.9s)
Package test has no versions that match >=0.12.0 <0.14.0 derived from:
- ebisu depends on version >=0.12.0 <0.14.0

real 0m3.326s
user 0m2.623s
sys 0m0.158s

The message is confusing - "test has no versions that match...". But current
versions <https://pub.dartlang.org/packages/test> of test are at the
0.12.13.
I tried running with the --trace option, but at 20K lines I'm not sure how
to find what the real problem is.
The repo is here <https://github.com/patefacio/ebisu> and any suggestions
on fixing appreciated.

When looking at trace output, how can you tell where it is going off the
rails? Here are the final lines:

...
SLVR: | | | | | version 0.2.0-rc.2 of dart_style doesn't match >=0.2.2
<0.3.0:
| | | | | | ebisu 0.6.20 (root) -> dart_style ^0.2.2 from hosted
(dart_style)
SLVR: | | | | | version 0.2.0-rc.1 of dart_style doesn't match >=0.2.2
<0.3.0:
| | | | | | ebisu 0.6.20 (root) -> dart_style ^0.2.2 from hosted
(dart_style)
SLVR: | | | | | no more versions of dart_style, backtracking
SLVR: BacktrackingSolver took 0:00:34.379375 seconds.
| - Requested 9 version lists
| - Looked up 4531 cached version lists
|
FINE: Resolving dependencies finished (34.4s).
ERR : Package test has no versions that match >=0.12.0 <0.13.0 derived from:
| - ebisu depends on version ^0.12.0
FINE: Exception type: NoVersionException
FINE: package:pub/src/entrypoint.dart 160
Entrypoint.acquireDependencies.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 181
BacktrackingSolver.solve.<async>
| dart:async
_Completer.completeError
| package:pub/src/solver/backtracking_solver.dart 324
BacktrackingSolver._solve.<async>
| dart:async
_Completer.completeError
| package:pub/src/solver/backtracking_solver.dart 313
BacktrackingSolver._solve.<async>.<fn>.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 417
BacktrackingSolver._backtrack.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 384
BacktrackingSolver._backtrack.<async>.<fn>.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 377
BacktrackingSolver._backtrack.<async>.<fn>.<async>.<fn>.<async>
| ===== asynchronous gap ===========================
| dart:async
_Completer.completeError
| package:pub/src/entrypoint.dart 205
Entrypoint.acquireDependencies.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 181
BacktrackingSolver.solve.<async>
| dart:async
_Completer.completeError
| package:pub/src/solver/backtracking_solver.dart 324
BacktrackingSolver._solve.<async>
| dart:async
_Completer.completeError
| package:pub/src/solver/backtracking_solver.dart 313
BacktrackingSolver._solve.<async>.<fn>.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 417
BacktrackingSolver._backtrack.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 384
BacktrackingSolver._backtrack.<async>.<fn>.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/solver/backtracking_solver.dart 377
BacktrackingSolver._backtrack.<async>.<fn>.<async>.<fn>.<async>
| ===== asynchronous gap ===========================
| dart:async
_asyncThenWrapperHelper
| package:pub/src/entrypoint.dart
Entrypoint.acquireDependencies
| package:pub/src/command/upgrade.dart 32
UpgradeCommand.run.<async>
| ===== asynchronous gap ===========================
| dart:async
Future.Future.microtask
| package:pub/src/command/upgrade.dart
UpgradeCommand.run
| package:args/command_runner.dart 178
CommandRunner.runCommand.<fn>
| dart:async
Future.Future.sync
| package:args/command_runner.dart 131
CommandRunner.runCommand
| package:pub/src/command_runner.dart 128
PubCommandRunner.runCommand.<async>.<fn>
| dart:async
Future.Future.sync
| package:pub/src/utils.dart 109
captureErrors.<fn>
| package:stack_trace Chain.capture
| package:pub/src/utils.dart 123 captureErrors
| package:pub/src/command_runner.dart 128
PubCommandRunner.runCommand.<async>
| dart:async
_SyncCompleter.complete
| package:pub/src/command_runner.dart 214
PubCommandRunner._validatePlatform.<async>
---- End log transcript ----

Thanks
Dan

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