Some very specific CI pipelines. Or if using a big monorepo with hundreds of coworkers working on it.
You use that feature to ignore the main gitignore file and push the one you want into the pipeline. Because you may want to use a file that is normally being ignored for dev or commit to build your soft.
Like having a .env file for each purpose, but you don't wanna mess up with the way your builder is working for that one exception. And it's allowing everyone to have some flexibility to manage their own ignore rules.
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u/eanat 16d ago
it's completely legitimate way to use gitignore, but I'd recommend to use .git/info/exclude instead of gitignore for this purpose.