fix: tolerate missing shell completion support across distros

[Vitexus]

Summary

• Bookworm ships Symfony Console that only supports bash completion — completion zsh exits non-zero and breaks the build
• Jammy ships an even older version with no shell completion support at all (supported shells: "") — even completion bash fails
• Trixie, noble, and resolute have newer Symfony with full bash+zsh support and generate completions correctly
• Adding || true to both completion commands lets each distro produce what it can without failing the build

Test plan

• Trigger a new Jenkins build and confirm all five distros (bookworm, trixie, jammy, noble, resolute) complete override_dh_install without error
• Verify bash completion file is present in packages built on bookworm/trixie/noble/resolute
• Verify zsh completion file is present in packages built on trixie/noble/resolute

🤖 Generated with Claude Code

Summary by CodeRabbit

• Chores
  • Improved build resilience by allowing shell completion generation to fail without interrupting the packaging process.

[coderabbitai]

Caution

Review failed

The pull request is closed.

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: fe66ab52-c4be-407b-ac12-a377a342480f

📥 Commits

Reviewing files that changed from the base of the PR and between d7fcb6a and c01b677.

📒 Files selected for processing (1)

• debian/rules

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📝 Walkthrough

Walkthrough

The PR modifies debian/rules to make the Bash and Zsh completion generation steps error-tolerant by appending || true to both commands. This prevents packaging build failures when completion generation returns a non-zero exit status.

Changes

Build completion generation error tolerance

Layer / File(s)	Summary
Build completion generation error tolerance debian/rules	The php /tmp/multiflexi-cli-build.php completion bash and php /tmp/multiflexi-cli-build.php completion zsh commands are modified to append || true, allowing the Debian package build to proceed even if completion generation fails.

🎯 1 (Trivial) | ⏱️ ~2 minutes

🐰 A clever trick, so small yet mighty,
Add || true and build stays flighty,
No failures now, just smooth scrolls ahead,
Completion may falter, but builds aren't dead! 🎉

✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch fix/shell-completion-unsupported-distros

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