We've run into an issue when running vercel env pull where .env*.local is added to .gitgnore even when it's already in the file.
The problem seems to be in addToGitIgnore here where the EOL is determined.
In my case, I'm working on Windows (where os.EOL is \r ) but our .gitignore has line-endings. So, the line referenced above does not successfully split the .gitignore file lines and, thus, when the check is performed to see if .env*.local (or whatever is passed in) is already in the file, it fails and adds it again.
The solution seems to simply use in the else of the ternary on line 13. Like this: https://github.com/vercel/vercel/compare/main...benramey-faithlife:vercel:fix-newline-detection-in-addToGitIgnore
