fix ruby 4 checksum issue#68
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In certain situations (like the bosh director) bundler will not write a checksum to the lockfile at compile time and will then try to update the lockfile at runtime when it is mounted read only. Disabling writing checksums prevents this from being an issue.
aramprice
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Jul 16, 2026
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Pull request overview
This PR updates the Ruby 4.0 compile-time Bundler configuration to avoid runtime attempts to rewrite Gemfile.lock (notably when the release is run in environments where the lockfile is mounted read-only, such as a BOSH director).
Changes:
- Set
bundle config set --local lockfile_checksums falsein the Ruby 4.0bosh_bundle()helper so Bundler won’t try to add/write lockfile checksums later at runtime.
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In certain situations (like the bosh director) bundler will not write a checksum to the lockfile at compile time and will then try to update the lockfile at runtime when it is mounted read only. Disabling writing checksums prevents this from being an issue.