Fix native extension load path for source gem installs#10
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igalshilman merged 2 commits intoMay 14, 2026
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When the gem is installed from source (gem install), extconf.rb builds the native extension to lib/restate_internal.bundle. But vm.rb is in lib/restate/ and uses require_relative, so the fallback resolves to lib/restate/restate_internal — which doesn't exist. Add a third fallback that looks one directory up to find the extension at lib/restate_internal where source builds place it. Co-authored-by: Cursor <cursoragent@cursor.com>
The falcon gem (0.55.3) depends on the openssl gem (4.0.2) which requires OpenSSL development headers to compile its native extension. The slim Docker image doesn't include these by default. Co-authored-by: Cursor <cursoragent@cursor.com>
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Problem
When the gem is installed from source (
gem install restate-sdkwithout a pre-compiled native gem),extconf.rbbuilds the native extension tolib/restate_internal.bundle. However,vm.rblives inlib/restate/and usesrequire_relative, so the existing fallback resolves tolib/restate/restate_internal— which doesn't exist.The load path chain in
vm.rbcurrently tries:lib/restate/<ruby_version>/restate_internal(cross-compiled gems)lib/restate/restate_internal(rake compiledev builds)But misses the case where the extension is at
lib/restate_internal(source gem installs).Solution
Add a third fallback
require_relative '../restate_internal'to handle source gem installs where the extension is built one directory up fromvm.rb.Made with Cursor