Non-checksummed _hot_ Download Of Cmake Formula File From An Arbitrary Url Is Unsupported Official

Fixing the "Non-checksummed download of CMake formula file" Error in Homebrew

If you need a specific version, check if it's available via an official versioned formula: brew search cmake # Example: brew install cmake@3.22 Use code with caution. 3. Use brew tap Instead of a URL Fixing the "Non-checksummed download of CMake formula file"

If a user runs brew install https://example.com , Homebrew executes that Ruby code on the local machine. Without a (a digital fingerprint), Homebrew cannot verify that the file you are downloading is actually the file you intended to run. To protect users from "man-in-the-middle" attacks or compromised URLs, Homebrew now blocks "arbitrary" URL downloads for formulas by default. Without a (a digital fingerprint), Homebrew cannot verify

If you are a macOS or Linux user working with , you may have encountered a specific, frustrating error message when trying to install or update packages: Instead, "tap" the repository

If the formula is part of a third-party project, do not try to install the file directly via URL. Instead, "tap" the repository. This allows Homebrew to manage the files within a git-versioned environment which is inherently more secure. brew install https://githubusercontent.com Do this: brew tap user/repo brew install formula Use code with caution. 4. For Developers: Adding the Checksum