ninja-build/ninja

Non-deterministic continuous integration failure

Open

#1,794 opened on Jun 3, 2020

View on GitHub
 (1 comment) (0 reactions) (0 assignees)C++ (1,544 forks)batch import
bughelp wanted

Repository metrics

Stars
 (10,194 stars)
PR merge metrics
 (Avg merge 39d 3h) (10 merged PRs in 30d)

Description

Traceback (most recent call last):

  File "./misc/output_test.py", line 83, in test_issue_1214

AssertionError: '[0/1] echo a\x1b[K' != '[1/1] echo a\x1b[K\n\x1b[31mred\x1b[0m\n'

- [0/1] echo a

+ [1/1] echo a

red

As seen here: https://github.com/ninja-build/ninja/pull/1785

Contributor guide

Research direction
Inspect the test issue 1214 function in misc/output test.py and trace the output generation logic to identify the source of non determinism in the progress indicator.
Tech stack
cpppython
Domain
build system
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
C++PythonGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
55