Move cleaner to separate file

1 files changed, 63 insertions, 0 deletions

diff --git a/Library/Homebrew/cleaner.rb b/Library/Homebrew/cleaner.rb
new file mode 100644
index 000000000..4c6786871
--- /dev/null
+++ b/Library/Homebrew/cleaner.rb
@@ -0,0 +1,63 @@
+class Cleaner
+  def initialize f
+    @f=f
+    [f.bin, f.sbin, f.lib].select{|d|d.exist?}.each{|d|clean_dir d}
+    # info pages suck
+    info = f.share+'info'
+    info.rmtree if info.directory? and not f.skip_clean? info
+  end
+
+private
+  def strip path, args=''
+    return if @f.skip_clean? path
+    puts "strip #{path}" if ARGV.verbose?
+    path.chmod 0644 # so we can strip
+    unless path.stat.nlink > 1
+      system "strip", *(args+path)
+    else
+      path = path.to_s.gsub ' ', '\\ '
+
+      # strip unlinks the file and recreates it, thus breaking hard links!
+      # is this expected behaviour? patch does it too… still, this fixes it
+      tmp = `/usr/bin/mktemp -t homebrew_strip`.chomp
+      begin
+        `/usr/bin/strip #{args} -o #{tmp} #{path}`
+        `/bin/cat #{tmp} > #{path}`
+      ensure
+        FileUtils.rm tmp
+      end
+    end
+  end
+
+  def clean_file path
+    perms=0444
+    case `file -h '#{path}'`
+    when /Mach-O dynamically linked shared library/
+      # Stripping libraries is causing no end of trouble
+      # Lets just give up, and try to do it manually in instances where it
+      # makes sense
+      #strip path, '-SxX'
+    when /Mach-O [^ ]* ?executable/
+      strip path
+      perms=0555
+    when /script text executable/
+      perms=0555
+    end
+    path.chmod perms
+  end
+
+  def clean_dir d
+    d.find do |path|
+      if path.directory?
+        Find.prune if @f.skip_clean? path
+      elsif not path.file?
+        next
+      elsif path.extname == '.la' and not @f.skip_clean? path
+        # *.la files are stupid
+        path.unlink
+      elsif not path.symlink?
+        clean_file path
+      end
+    end
+  end
+end