Fix precompile hook to properly locate Rails root

[justin808]

Summary

Improve the spec/dummy/bin/shakapacker-precompile-hook script to properly locate the Rails root directory in various execution contexts.

Details

The current precompile hook may fail to locate the Rails root when run from different directories or contexts. This fix makes the hook more robust by adding better directory detection logic.

Related Branch

This fix was identified in the justin808/shakapacker-9.3.0 branch (commit 0993b48).

Impact

• Makes the precompile hook more robust
• Prevents failures when run from different contexts
• Improves developer experience during deployment

Files Changed

• spec/dummy/bin/shakapacker-precompile-hook (25 lines added, 2 lines removed)

Labels

• Enhancement
• Deployment

[coderabbitai]

Caution

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[justin808]

This issue has already been fixed! ✅

The precompile hook improvements described in this issue were implemented in PR #1904 (merged Nov 4, 2025 - commit 024b0e2).

The current spec/dummy/bin/shakapacker-precompile-hook includes the find_rails_root function (lines 11-21) that properly locates the Rails root directory by walking upward looking for config/environment.rb.

The issue was created on Nov 5, one day after the fix was already merged to master.

Closing as already resolved.