b00a95b678
Continuing with the goals of making the installer: - more useful - entirely offline Let's pre-download the API data from a `brew update` run and install it into the logged-in user's home directory. While we're here, in the `postinstall` script: - use longer arguments for various commands - fix an issue with symlinking on Intel if `/usr/local/bin` doesn't already exist - unset `bash -x` and use `-v` on more commands instead