some utilities written in Ruby to parse comps, package handling through yum etc.

1 files changed, 79 insertions, 0 deletions

diff --git a/fontpackages/compat.rb b/fontpackages/compat.rb
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+# compat.rb
+# Copyright (C) 2010 Red Hat, Inc.
+
+# Authors:
+#   Akira TAGOH  <tagoh@redhat.com>
+
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+begin
+  Shellwords.escape("foo")
+rescue NoMethodError
+  module Shellwords
+    #
+    # Escapes a string so that it can be safely used in a Bourne shell
+    # command line.
+    #
+    # Note that a resulted string should be used unquoted and is not
+    # intended for use in double quotes nor in single quotes.
+    #
+    #   open("| grep #{Shellwords.escape(pattern)} file") { |pipe|
+    #     # ...
+    #   }
+    #
+    # +String#shellescape+ is a shorthand for this function.
+    #
+    #   open("| grep #{pattern.shellescape} file") { |pipe|
+    #     # ...
+    #   }
+    #
+    def shellescape(str)
+      # An empty argument will be skipped, so return empty quotes.
+      return "''" if str.empty?
+
+      str = str.dup
+
+      # Process as a single byte sequence because not all shell
+      # implementations are multibyte aware.
+      str.gsub!(/([^A-Za-z0-9_\-.,:\/@\n])/n, "\\\\\\1")
+
+      # A LF cannot be escaped with a backslash because a backslash + LF
+      # combo is regarded as line continuation and simply ignored.
+      str.gsub!(/\n/, "'\n'")
+
+      return str
+    end
+
+    module_function :shellescape
+
+    class << self
+      alias escape shellescape
+    end
+  end # module Shellwords
+
+  class String
+    #
+    # call-seq:
+    #   str.shellescape => string
+    #
+    # Escapes +str+ so that it can be safely used in a Bourne shell
+    # command line.  See +Shellwords::shellescape+ for details.
+    #
+    def shellescape
+      Shellwords.escape(self)
+    end
+  end
+end