https://github.com/ydkhatri/mac_apt/blame/1a31222e92f995972444f0997997d906aab4bccd/macos_installer/mac_apt_Install_macOS.sh#L69 should be changed to use bash /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"
https://github.com/ydkhatri/mac_apt/blame/1a31222e92f995972444f0997997d906aab4bccd/macos_installer/mac_apt_Install_macOS.sh#L69
should be changed to use bash /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)"