nodejs / nodejs/node-core-utils

git-node: `git node bisect`

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#230 11 comments 5 reactions 0 assignees View on GitHub

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enhancement
Dominant language
JavaScript
Stars
314
Forks
137
Avg merge
2d 8h
Merged PRs (30d)
24

Description

https://twitter.com/targos89/status/982158028878196736

Outline:

  • git node bisect --from 20180101 [--to 201810406] /path/to/test.js
  • Detect the right arch, then download correct binaries from https://nodejs.org/download/nightly/ , decompress it, run the test with bin/node, bisect until it finds two consecutive nightlies where the exit code of the test becomes different
    • Let the user configure where the files are downloaded via ncu-config set tmpdir, default can be .ncu/tmp or /tmp
  • Grab the sha from the nightlies, suggest the user to run:
    • git bisect start <nightly1-sha> <nightly2-sha> --
    • git bisect run "make -j8 && ./node /path/to/test.js"

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by examining the existing node-core-utils CLI entry points and configuration handling for ncu-config set tmpdir; the issue names no specific files or tests. Review the Node.js nightly download layout and the proposed git bisect commands. Done means a git node bisect workflow can select the architecture, download and run nightlies, identify the exit-code change, and suggest the matching Git commands.

Written by the indexing model from the issue text.

Assessment

Tech stack
git, javascript, node.js
Domain
cli, developer-experience
Issue type
Feature
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
25/100

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