diff options
Diffstat (limited to 'Library/Homebrew/extend')
| -rw-r--r-- | Library/Homebrew/extend/ENV/shared.rb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Library/Homebrew/extend/ENV/shared.rb b/Library/Homebrew/extend/ENV/shared.rb index 3b07e0a71..2cdc2f83a 100644 --- a/Library/Homebrew/extend/ENV/shared.rb +++ b/Library/Homebrew/extend/ENV/shared.rb @@ -87,7 +87,11 @@ module SharedEnvExtension # Is the formula struggling to find the pkgconfig file? Point it to it. # This is done automatically for `keg_only` formulae. # <pre>ENV.prepend_path "PKG_CONFIG_PATH", "#{Formula["glib"].opt_lib}/pkgconfig"</pre> + # Prepending a system path such as /usr/bin is a no-op so that requirements + # don't accidentally override superenv shims or formulae's `bin` directories + # (e.g. <pre>ENV.prepend_path "PATH", which("emacs").dirname</pre>) def prepend_path(key, path) + return if %w[/usr/bin /bin /usr/sbin /sbin].include? path.to_s prepend key, path, File::PATH_SEPARATOR if File.directory? path end |