Create macfuse.rb

macfuse.rb

@@ -0,0 +1,118 @@
+# typed: false
+# frozen_string_literal: true
+
+# USAGE: `depends_on MacfuseRequirement`
+class MacfuseRequirement < Requirement
+  fatal true
+
+  satisfy(build_env: false) { self.class.binary_osxfuse_installed? }
+
+  def self.binary_osxfuse_installed?
+    File.exist?("/usr/local/include/fuse.h") &&
+      !File.symlink?("/usr/local/include")
+  end
+
+  env do
+    ENV.append_path "PKG_CONFIG_PATH", HOMEBREW_LIBRARY/"Homebrew/os/mac/pkgconfig/fuse"
+  end
+
+  def message
+    "This formula requires macFUSE. Please run `brew install --cask macfuse` first."
+  end
+
+  def display_s
+    "macFUSE"
+  end
+end
+
+# Add `setup_fuse` to base Formula class, for use by FUSE formulae
+class Formula
+  def need_alt_fuse?
+    HOMEBREW_PREFIX.to_s != "/usr/local"
+  end
+
+  def alt_fuse_root
+    buildpath/"temp"
+  end
+
+  def fuse_cmake_args
+    return unless need_alt_fuse?
+
+    %W[
+      -DCMAKE_INCLUDE_PATH=#{alt_fuse_root}/include/fuse;#{alt_fuse_root}/include
+      -DCMAKE_LIBRARY_PATH=#{alt_fuse_root}/lib
+      -DCMAKE_CXX_FLAGS=-I#{alt_fuse_root}/include/fuse\ -D_USE_FILE_OFFSET_BITS=64
+    ]
+    # -DPKG_CONFIG=#{fuse_pkgconfig}
+    # -DPKG_CONFIG_EXECUTABLE=#{fuse_pkgconfig}
+    # -DFUSE_INCLUDE_DIR=#{alt_fuse_root}/include/fuse
+    # -DFUSE_LIBRARIES=#{alt_fuse_root}/lib/libfuse.dylib
+  end
+
+  def setup_fuse_includes
+    mkdir "#{alt_fuse_root}/include" do
+      Dir["/usr/local/include/fuse*"].each { |f| cp_r f, "." }
+    end
+  end
+
+  def setup_fuse_libs
+    mkdir "#{alt_fuse_root}/lib" do
+      Dir["/usr/local/lib/*fuse*"].each { |f| cp_r f, "." }
+    end
+  end
+
+  def setup_fuse_pkgconfig
+    ### OLD METHOD: Fake pkg-config
+    # mkdir "#{alt_fuse_root}/bin" do
+    #  cp path/"../../lib/fuse-pkg-config", "."
+    #  inreplace "fuse-pkg-config", "%FUSE_ROOT%", "#{alt_fuse_root}"
+    # end
+    # ENV["PKG_CONFIG"] = "#{fuse_pkgconfig}"
+
+    ### NEW METHOD: Fix fuse.pc in alt root
+    mkdir "#{alt_fuse_root}/lib/pkgconfig" do
+      cp "/usr/local/lib/pkgconfig/fuse.pc", "."
+      inreplace "fuse.pc", "/usr/local", alt_fuse_root.to_s
+    end
+    ENV.prepend_path "PKG_CONFIG_PATH", "#{alt_fuse_root}/lib/pkgconfig"
+  end
+
+  # def fuse_pkgconfig
+  #  return "#{alt_fuse_root}/bin/fuse-pkg-config" if need_alt_fuse?
+  #  "pkg-config"
+  # end
+
+  def setup_fuse_env
+    odebug "Setting up FUSE temp environment under #{alt_fuse_root}"
+    setup_fuse_includes
+    setup_fuse_libs
+    setup_fuse_pkgconfig
+    Dir.glob("#{alt_fuse_root}/**/*").each { |f| odebug ">>> #{f}" }
+  end
+
+  def setup_fuse_flags
+    ENV.append "CFLAGS", "-I#{alt_fuse_root}/include"
+    ENV.append "CFLAGS", "-I#{alt_fuse_root}/include/fuse"
+    ENV.append "CFLAGS", "-D_USE_FILE_OFFSET_BITS=64"
+    ENV.append "CPPFLAGS", "-I#{alt_fuse_root}/include"
+    ENV.append "CPPFLAGS", "-I#{alt_fuse_root}/include/fuse"
+    ENV.append "CPPFLAGS", "-D_USE_FILE_OFFSET_BITS=64"
+    ENV.append "CXXFLAGS", "-I#{alt_fuse_root}/include"
+    ENV.append "CXXFLAGS", "-I#{alt_fuse_root}/include/fuse"
+    ENV.append "CXXFLAGS", "-D_USE_FILE_OFFSET_BITS=64"
+    ENV.append "LDFLAGS", "-L#{alt_fuse_root}/lib"
+    ENV.append "CGO_CPPFLAGS", "-I#{alt_fuse_root}/include"
+    ENV.append "CGO_CPPFLAGS", "-D_USE_FILE_OFFSET_BITS=64"
+    ENV.append "CGO_LDFLAGS", "-L#{alt_fuse_root}/lib"
+    odebug "PKG_CONFIG = #{ENV.fetch("PKG_CONFIG", nil)}"
+    odebug "PKG_CONFIG_PATH = #{ENV.fetch("PKG_CONFIG_PATH", nil)}"
+    odebug "CFLAGS = #{ENV.fetch("CFLAGS", nil)}"
+  end
+
+  def setup_fuse
+    return unless need_alt_fuse?
+
+    setup_fuse_env
+    setup_fuse_flags
+  end
+end