1 files changed, 30 insertions, 0 deletions
diff --git a/Library/Homebrew/requirements/osxfuse_requirement.rb b/Library/Homebrew/requirements/osxfuse_requirement.rb
new file mode 100644
index 000000000..190d71cde
--- /dev/null
+++ b/Library/Homebrew/requirements/osxfuse_requirement.rb
@@ -0,0 +1,30 @@
+require "requirement"
+
+class OsxfuseRequirement < Requirement
+  fatal true
+  default_formula "osxfuse"
+  cask "osxfuse"
+  download "https://osxfuse"
+
+  satisfy { Formula["osxfuse"].installed? || self.class.binary_osxfuse_installed? }
+
+  def self.binary_osxfuse_installed?
+    File.exist?("/usr/local/include/osxfuse/fuse.h") && !File.symlink?("/usr/local/include/osxfuse")
+  end
+
+  env do
+    ENV.append_path "PKG_CONFIG_PATH", HOMEBREW_PREFIX/"Library/ENV/pkgconfig/fuse"
+  end
+end
+
+class NonBinaryOsxfuseRequirement < Requirement
+  fatal true
+  satisfy { HOMEBREW_PREFIX.to_s != "/usr/local" || !OsxfuseRequirement.binary_osxfuse_installed? }
+
+  def message
+    <<-EOS.undent
+      osxfuse is already installed from the binary distribution and
+      conflicts with this formula.
+    EOS
+  end
+end