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Resolving Bash Script Execution Error: In-depth Analysis of Exit Code 126 and CPD Integration in iOS Projects

Bash script exit code 126 CPD integration iOS development Xcode build permission management environment variable debugging

This article provides an in-depth analysis of the Bash script execution error (exit code 126) encountered when integrating CPD (Copy-Paste Detection) tools in iOS development. By dissecting the original script issues, exploring permission and executability checks, and offering corrected solutions based on best practices, it details how to configure run script phases in Xcode for automated code duplication detection. The content covers environment variable debugging, file permission management, and script optimization strategies to help developers avoid common pitfalls and enhance build process reliability.