Move `String#undent` to `compat`.

1 files changed, 18 insertions, 0 deletions

diff --git a/Library/Homebrew/compat/extend/string.rb b/Library/Homebrew/compat/extend/string.rb
new file mode 100644
index 000000000..6069a6bec
--- /dev/null
+++ b/Library/Homebrew/compat/extend/string.rb
@@ -0,0 +1,18 @@
+class String
+  def undent
+    gsub(/^[ \t]{#{(slice(/^[ \t]+/) || '').length}}/, "")
+  end
+  alias unindent undent
+
+  # eg:
+  #   if foo then <<-EOS.undent_________________________________________________________72
+  #               Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do
+  #               eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad
+  #               minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip
+  #               ex ea commodo consequat. Duis aute irure dolor in reprehenderit in
+  #               voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur
+  #               sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt
+  #               mollit anim id est laborum.
+  #               EOS
+  alias undent_________________________________________________________72 undent
+end