Add support for bun.lock text-based lockfile #3405
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Bun 1.2 introduced bun.lock as a text-based alternative to the binary bun.lockb. This change adds an alternativeLockfiles property to the PackageManager interface to support detecting either lockfile format. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
graygilmore
reviewed
Jan 27, 2026
- Revert variable name to foundPackageManagers to reduce diff - Add npm-shrinkwrap.json as alternative lockfile for npm - Improve tests to verify actual lockfile names in output
graygilmore
approved these changes
Jan 27, 2026
fredericoo
reviewed
Jan 28, 2026
.changeset/bun-lock-support.md
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| '@shopify/cli-hydrogen': patch | ||
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| Add support for Bun's text-based lockfile (`bun.lock`) introduced in Bun 1.2, in addition to the existing binary lockfile (`bun.lockb`). |
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| Add support for Bun's text-based lockfile (`bun.lock`) introduced in Bun 1.2, in addition to the existing binary lockfile (`bun.lockb`). | |
| Add support for Bun's text-based lockfile (`bun.lock`) introduced in Bun 1.2, and npm's shrinkwrap lockfile (`npm-shrinkwrap.json`), as alternatives to their respective primary lockfiles (`bun.lockb` and `package-lock.json`). |
fredericoo
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Jan 28, 2026
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my only nitpick was the changeset, but no one uses shrinkwrap anyway so dont take it as a requirement
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Summary
Bun 1.2 introduced
bun.lockas a text-based alternative to the binarybun.lockblockfile. This PR adds support for detecting either lockfile format in the Hydrogen CLI.Changes
alternativeLockfilesproperty to thePackageManagerinterface to support multiple lockfile formats per package managercheck-lockfile.tsto check both primary and alternative lockfilesdeploy.tsto recognize changes to alternative lockfilesbun.lockandbun.lockbdetectionRelated
Test plan
bun.lockdetectionbun.lockbdetection🤖 Generated with Claude Code