formula_installer: skip attestations on local_bottle_path

Signed-off-by: William Woodruff <[email protected]>

Library/Homebrew/formula_installer.rb

@@ -1258,7 +1258,12 @@ def downloader
   def pour
     # We skip `gh` to avoid a bootstrapping cycle, in the off-chance a user attempts
     # to explicitly `brew install gh` without already having a version for bootstrapping.
-    if Homebrew::Attestation.enabled? && formula.tap&.core_tap? && formula.name != "gh"
+    # We also skip bottle installs from local bottle paths, as these are done in CI
+    # as part of the build lifecycle before attestations are produced.
+    if Homebrew::Attestation.enabled? \
+        && formula.tap&.core_tap? \
+        && formula.name != "gh" \
+        && formula.local_bottle_path.blank?
       ohai "Verifying attestation for #{formula.name}"
       begin
         Homebrew::Attestation.check_core_attestation formula.bottle