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authorEelco Dolstra <e.dolstra@tudelft.nl>2004-06-20T19·17+0000
committerEelco Dolstra <e.dolstra@tudelft.nl>2004-06-20T19·17+0000
commit112ee89501a936ad9c492780be6b63f53b2eb9ca (patch)
tree2070bc757fa986b062b7964619ad927b272fd1de /AUTHORS
parentbafb2357d1ab5f7aef8ce4495f5ab8b835359f63 (diff)
* Re-enable support for substitutes in the normaliser.
* A better substitute mechanism.

  Instead of generating a store expression for each store path for
  which we have a substitute, we can have a single store expression
  that builds a generic program that is invoked to build the desired
  store path, which is passed as an argument.

  This means that operations like `nix-pull' only produce O(1) files
  instead of O(N) files in the store when registering N substitutes.
  (It consumes O(N) database storage, of course, but that's not a
  performance problem).

* Added a test for the substitute mechanism.
  
* `nix-store --substitute' reads the substitutes from standard input,
  instead of from the command line.  This prevents us from running
  into the kernel's limit on command line length.

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