[kbn_pm] Only install scripts when yarn integrity changes

[jbudz]

In #250638 we moved lifecycle scripts to our own managed CLI.

Currently we're running these scripts every time bootstrap is run. This updates bootstrap to only run scripts when the yarn integrity has changed, matching the previous behavior.

Summary by CodeRabbit

• Bug Fixes
  • Bootstrap command now conditionally executes install scripts only when necessary, improving efficiency during the setup process.

[elasticmachine]

Pinging @elastic/kibana-operations (Team:Operations)

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

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📥 Commits

Reviewing files that changed from the base of the PR and between 82c3537 and 772c700.

📒 Files selected for processing (1)

• src/dev/kbn_pm/src/commands/bootstrap/bootstrap_command.mjs

---

📝 Walkthrough

Walkthrough

The bootstrap command's install step is now conditionally executed based on the shouldInstall flag. Previously, the install scripts always executed during bootstrap. The install step now only runs when shouldInstall is true, preserving timing instrumentation via conditional ternary logic.

Changes

Cohort / File(s)	Summary
Bootstrap Install Step src/dev/kbn_pm/src/commands/bootstrap/bootstrap_command.mjs	Wrapped "run install scripts" step in conditional ternary operator to execute only when shouldInstall is true, maintaining timing instrumentation while skipping unnecessary installations.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: conditionally executing install scripts only when yarn integrity changes, which matches the core modification in the bootstrap command.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yml

Review profile: CHILL

Plan: Pro

Run ID: 2d5460c0-8f5e-4b97-959b-ba35a0cb4560

📥 Commits

Reviewing files that changed from the base of the PR and between 82c3537 and 772c700.

📒 Files selected for processing (1)

• src/dev/kbn_pm/src/commands/bootstrap/bootstrap_command.mjs

---

📝 Walkthrough

Walkthrough

The bootstrap command's install-scripts step is now conditionally executed based on a shouldInstall flag, rather than always running. When the condition is not met, an undefined entry is placed in the Promise.all array instead.

Changes

Cohort / File(s)	Summary
Bootstrap Command src/dev/kbn_pm/src/commands/bootstrap/bootstrap_command.mjs	Conditionalized install-scripts step execution within Promise.all to only run when shouldInstall is true; otherwise entry is left undefined.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~10 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: conditionalizing the install-scripts step to only run when yarn integrity changes, which aligns with the PR's objective.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

Warning

Tools execution failed with the following error:

Failed to run tools: 13 INTERNAL: Received RST_STREAM with code 2 (Internal server error)

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[elasticmachine]

💛 Build succeeded, but was flaky

• Buildkite Build
• Commit: 772c700

Failed CI Steps

• x-pack/solutions/security/test/cloud_security_posture_functional/config.ts

Test Failures

• [job] [logs] x-pack/solutions/security/test/cloud_security_posture_functional/config.ts / Cloud Security Posture Security Alerts Page - Graph visualization expanded flyout - show alert details

Metrics [docs]

✅ unchanged

[kibanamachine]

Starting backport for target branches: 8.19, 9.2, 9.3

https://github.com/elastic/kibana/actions/runs/22868873474

[kibanamachine]

💔 Some backports could not be created

Status	Branch	Result
❌	8.19	Backport failed because of merge conflicts
❌	9.2	Backport failed because of merge conflicts
✅	9.3

Note: Successful backport PRs will be merged automatically after passing CI.

Manual backport

To create the backport manually run:

node scripts/backport --pr 255175

Questions ?

Please refer to the Backport tool documentation