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authorEelco Dolstra <e.dolstra@tudelft.nl>2010-04-21T19·25+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2010-04-21T19·25+0000
commit6bbfe95e3012effa0df79066ae129ce9828a8ff2 (patch)
tree86e3b4cae2a82e78ba0c6593d50d7c4a03ddd2ad /src/libexpr/eval.cc
parent7148df797174ff742fdd8cee3c2d92e6340ee930 (diff)
* Don't use an ostringstream in unparseDerivation(), because it's
  slow.  A `nix-env -qa --drv-path \*' on Nixpkgs was spending 40% of
  its time in unparseDerivation() because of this (now 11%).

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