macOS Setupīy default, the main Homebrew repository builds binary bottles for the last three macOS versions. Homebrew attempts to detect and warn for this, but using the Docker image is still safer. As Homebrew on Linux does not yet support sandboxed builds, it’s possible that opportunistic linking during the packaging process will cause problems for your users. Then, run the following commands to download the Docker image for Homebrew on Linux, and enter an interactive shell within that Docker container:ĭocker run -it -name =brew homebrew/brewĮven if you’re following this guide on Linux, I still recommend using the Docker image, as this ensures that the build system for the software you’re packaging will not link against something you’ve already installed on your machine. ![]() Install Docker ( brew cask install docker) and ensure the Docker service is running by opening Docker.app and checking the Docker icon in the menu bar. The name of the package should match the name of the formula you’re building a bottle for. If you didn’t specify a default open source license, you’ll also want to Add New Package in your new repository and set the license field appropriately. You may also want to set a default license for your Bintray repository, since the Bintray OSS plan requires that all packages you distribute via their service to also be open source software. Next, set up the Bintray repository where your bottles will be uploaded. Homebrew uses Bintray to distribute its own binaries, and accounts are free for open source software. Sign up for an Open Source Bintray account. ![]() Here, I lay out instructions on how to compile binary bottles on your own machine, using a Docker Linux build, as well as a virtualized macOS installation. While it is possible to set something up like this using Travis by following the linked Gist, for a tap where you are bottling only a few formula for software that are infrequently updated, I think it is overkill since you can easily spend far too much time figuring out why Travis has broken yet again. This GitHub Gist and the flowchart below (by gives an excellent overview of the Homebrew/homebrew-core process, including its internal Jenkins installation and the pull request workflow for maintainers. However, this process can be quite complicated and involved. This provides a superior user experience and saves time when installing software that takes a long time to compile (e.g., GCC). By default, everything in the main Homebrew repository ( Homebrew/homebrew-core) is bottled. Homebrew can distribute precompiled binaries of your software, called bottles. This might be fine if the build process is straightforward, but if not, you might find yourself spending a lot of time debugging obscure compiler failures for your users. If your software requires compilation, however, one problem is that your users will need to build your software from source. For help with this step, see the Formula Cookbook. Now I can create a new formula for this tap with brew create -tap=jonchang/biology and edit it in the usual manner. $ cd $(brew -repo jonchang/biology ) $ pwd /usr/local/Homebrew/Library/Taps/jonchang/homebrew-biology ![]() Homebrew has a built-in command to get you up and running immediately, brew tap-new. Taps are just a GitHub repository with names that start with homebrew-* that contain some Homebrew formula files. Homebrew’s built-in packages can be extended using third-party repositories, called taps. Suppose that your software doesn’t fit the requirements for the main Homebrew repository, but you’d still like to distribute it somehow. Homebrew relies extremely heavily on its community to report and fix bugs that crop up in the packages that they use, since maintainers can’t be expected to rigorously check the correctness of 4,000+ packages. Homebrew has over a million installs, yet has a small team of only about 20 volunteer maintainers who deal with this huge responsibility. Many things are too niche, specialized, or complicated for the Homebrew maintainers to build and distribute. That being said, Homebrew does not package everything. Homebrew is an excellent cross-platform package manager, supporting macOS, Linux, and Windows 10. After a few years of contributions I was asked to become a maintainer and was recently elected to serve on the Homebrew project leadership committee. I’ve been using the Homebrew package manager for nearly a decade. ![]() Maintain your own Homebrew repository, with binary bottles
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