35 duplicated lines in:
  - common/github/fb-stubs.cabal (20:58, 62%)
  - haxl/thrift-haxl.cabal (23:60, 53%)

7 duplicated lines in:
  - common/github/fb-stubs.cabal (8:14, 12%)
  - haxl/thrift-haxl.cabal (8:14, 10%)