Fix cog cask postflight xattr referencing wrong filename#32
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markphelps merged 1 commit intomainfrom Apr 1, 2026
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The postflight block referenced staged_path/cog, but the downloaded binary retains its original name (cog_Darwin_arm64 or cog_Darwin_x86_64) in the staged directory. The binary stanza only creates a symlink with the target name, it does not rename the source file. This caused 'xattr -dr com.apple.quarantine' to fail with 'No such file' on every install.
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Summary
brew install --cask replicate/tap/cogfailing withxattr: No such fileduring postflightProblem
The
postflightblock runsxattr -dr com.apple.quarantineon#{staged_path}/cog, but the downloaded binary is namedcog_Darwin_arm64(orcog_Darwin_x86_64) in the staged directory. Thebinarystanza creates a symlink with the target namecogin/opt/homebrew/bin/, but does not rename the file in the staged path.Fix
Use
Hardware::CPU.arm?to construct the correct binary filename in thepostflightblock, matching the actual file in the staged directory.Validation Steps
brew uninstall --cask cogbrew install --cask replicate/tap/cogcog --version