Broken symlink detection needed

[kas-kad]

Suddenly got this error today

brew install git
Error: pathname contains null byte
Please report this bug:
    https://git.io/brew-troubleshooting
/usr/local/Library/Homebrew/extend/pathname.rb:337:in `initialize'
/usr/local/Library/Homebrew/extend/pathname.rb:337:in `readlink'
/usr/local/Library/Homebrew/extend/pathname.rb:337:in `resolved_path'
/usr/local/Library/Homebrew/tab.rb:100:in `for_formula'
/usr/local/Library/Homebrew/formula_installer.rb:365:in `effective_build_options_for'
/usr/local/Library/Homebrew/formula_installer.rb:315:in `block in expand_requirements'
/usr/local/Library/Homebrew/requirement.rb:215:in `block in prune?'
/usr/local/Library/Homebrew/requirement.rb:213:in `catch'
/usr/local/Library/Homebrew/requirement.rb:213:in `prune?'
/usr/local/Library/Homebrew/requirement.rb:201:in `block (2 levels) in expand'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/set.rb:232:in `each_key'
/System/Library/Frameworks/Ruby.framework/Versions/2.0/usr/lib/ruby/2.0.0/set.rb:232:in `each'
/usr/local/Library/Homebrew/dependencies.rb:68:in `each'
/usr/local/Library/Homebrew/requirement.rb:200:in `block in expand'
/usr/local/Library/Homebrew/requirement.rb:199:in `each'
/usr/local/Library/Homebrew/requirement.rb:199:in `expand'
/usr/local/Library/Homebrew/formula.rb:1226:in `recursive_requirements'
/usr/local/Library/Homebrew/formula_installer.rb:314:in `expand_requirements'
/usr/local/Library/Homebrew/formula_installer.rb:264:in `compute_dependencies'
/usr/local/Library/Homebrew/formula_installer.rb:129:in `verify_deps_exist'
/usr/local/Library/Homebrew/formula_installer.rb:122:in `prelude'
/usr/local/Library/Homebrew/cmd/install.rb:213:in `install_formula'
/usr/local/Library/Homebrew/cmd/install.rb:93:in `block in install'
/usr/local/Library/Homebrew/cmd/install.rb:93:in `each'
/usr/local/Library/Homebrew/cmd/install.rb:93:in `install'
/usr/local/Library/brew.rb:84:in `<main>'

the reason was an occasional symlink among the pathnames which was pointing to nothing.
I've fixed it by removing the symlink
It would be nice to have proper handling for this case.

[MikeMcQuaid]

Sorry but you have not followed the requested steps on the Troubleshooting page: https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/Troubleshooting.md#troubleshooting

Please follow (all of) these steps and post the information here so we can help you with your problem. Additionally, what was the symlink?

Thanks!

[kas-kad]

My problem is solved. You can close the issue. Just wanted to let you know about the issue with pathnames handling because the error message Error: pathname contains null byte doesn't say anything to brew user and the brew doctor doesn't fix the issue. The symlink had something about maven.

[ilovezfs]

Can't reproduce this issue but we'll keep an eye out for it.

[apjanke]

Do you remember where the symlink was and where it was pointing?