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Eelco Dolstra 1d1c3691d2 * The policy-free derivate sharing now *almost* works. :-) For any 
hash for which no local expansion is available, Nix can execute a
  `substitute' which should produce a path with such a hash.

  This is policy-free since Nix does not in any way specify how the
  substitute should work, i.e., it's an arbitrary (unnormalised)
  fstate expression.  For example, `nix-pull' registers substitutes
  that fetch Nix archives from the network (through `wget') and unpack
  them, but any other method is possible as well.  This is an
  improvement over the old Nix sharing scheme, which had a policy
  (fetching through `wget') built in.

  The sharing scheme doesn't work completely yet because successors
  from fstate rewriting have to be registered on the receiving side.
  Probably the whole successor stuff can be folded up into the
  substitute mechanism; this would be a nice simplification.
 2003-07-10 15:11:48 +00:00
Eelco Dolstra d072485d28 * Get `nix-push' working again. It now uses Nix/Fix to create Nix 
archives (using the package in corepkgs/nar).
* queryPathByHash -> expandHash, and it takes an argument specifying
  the target path (which may be empty).
* Install the core Fix packages in $prefix/share/fix.  TODO: bootstrap
  Nix and install Nix as a Fix package.
 2003-07-10 13:41:28 +00:00
Eelco Dolstra 5d4b90b689 * Actually go through the search directories when looking for files. 2003-07-10 09:21:40 +00:00
Eelco Dolstra 6011bd0da2 * Outline of the new scheme for derivate distribution. 2003-07-09 16:12:40 +00:00
Eelco Dolstra 2b95a9dc05 * When computing the set of paths referenced by an expression, also 
include the paths of the subterms.
 2003-07-09 15:02:03 +00:00
Eelco Dolstra 9a99dc736d * Canonicalise paths so that Fix produces identical Nix 
expressions for identical inputs.
 2003-07-08 20:26:22 +00:00
Eelco Dolstra cab3f4977a * A path canonicaliser that doesn't depend on the existence of paths 
(i.e., it doesn't use realpath(3), which is broken in any case).
  Therefore it doesn't resolve symlinks.
 2003-07-08 19:58:41 +00:00
Eelco Dolstra 333f4963de * The output of a Derive() node is not a referenced path. 2003-07-08 15:33:06 +00:00
Eelco Dolstra 40274c1f4f * A command to query the paths referenced by an fstate expression. 
* Use a temporary directory for build actions.
 2003-07-08 13:22:08 +00:00
Eelco Dolstra a279137327 * Get --dump' and --delete' to work again. 2003-07-08 10:00:46 +00:00
Eelco Dolstra 85a913a3e7 * Renamed id' -> name' to remove the implication of uniqueness. 2003-07-08 09:59:00 +00:00
Eelco Dolstra 0b38b43bab * deletePath() now removes the path from the hash2paths mapping. 2003-07-08 09:54:47 +00:00
Eelco Dolstra ab644ad10b * BaseName() primitive for the generation of more sensible names 
(especially in fetchurl.fix).
 2003-07-08 09:53:46 +00:00
Eelco Dolstra a5a90f501e * Get rid of the `netsources' database. 
* Rename the `refs' database to `hash2paths'.
 2003-07-08 08:35:06 +00:00
Eelco Dolstra be96c2189c * --realise' -> --install'. 2003-07-07 09:29:40 +00:00
Eelco Dolstra 5895c160c4 * Make dbRefs a mapping from Hash to [Path]. 2003-07-07 09:25:26 +00:00
Eelco Dolstra 609a224848 * Fixed `make check' as well. 2003-07-07 07:44:57 +00:00
Eelco Dolstra 224c585aba * Refactoring on the file names. 2003-07-07 07:43:58 +00:00
Eelco Dolstra 7952a8053c * A utility `nix-hash' to compute Nix path hashes. 2003-07-06 15:11:02 +00:00
Eelco Dolstra bfa5d77211 * Bug fix: properly check result of open(). 2003-07-06 15:08:39 +00:00
Eelco Dolstra 82e3d8fafe * Got Fix working again. 2003-07-06 14:20:47 +00:00
Eelco Dolstra f826e432aa * Refactoring: move initialisation and argument parsing into a shared 
file.
 2003-07-04 15:42:03 +00:00
Eelco Dolstra 01b34fe584 * Cleanup. 2003-07-04 15:29:58 +00:00
Eelco Dolstra 207ff2caf0 * Caching of expression successors. 2003-07-04 12:18:06 +00:00
Eelco Dolstra 40b5936691 * Realisation of Derive(...) expressions. 2003-06-27 14:56:12 +00:00
Eelco Dolstra 3da9687854 * Realisation of File(...) expressions. 2003-06-27 13:55:12 +00:00
Eelco Dolstra d4c3edfaba * Normalisation. 2003-06-27 09:55:31 +00:00
Eelco Dolstra 3ec5252582 * Improved syntax and semantics for Nix expressions. 2003-06-25 15:50:37 +00:00
Eelco Dolstra 2b07b0e7eb * Minor cleanups. 2003-06-25 14:58:56 +00:00
Eelco Dolstra 692b562342 * `nix --delete' command. 2003-06-23 14:40:49 +00:00
Eelco Dolstra c0cbaef4be * `nix --restore' command. 2003-06-23 14:08:34 +00:00
Eelco Dolstra 5f5cab0ac7 * A function to restore from a Nix archive. 
* addValue() can now import any dumpable FS object.
 2003-06-23 13:27:59 +00:00
Eelco Dolstra 85effedca3 * Flags to indicate how values are specified on the command line 
(--hash, --file, --name).
 2003-06-20 14:11:31 +00:00
Eelco Dolstra 5079ccb455 * Move most of Nix into a library (libnix.a). 
* Run `test' on `make check'.
 2003-06-20 10:53:04 +00:00
Eelco Dolstra 1849aa2a72 * Refactoring: move dump function into archive.cc. 2003-06-20 10:40:25 +00:00
Eelco Dolstra 38e12df631 * `nix --dump' command. 2003-06-18 14:34:43 +00:00
Eelco Dolstra aeaffec785 * Dump symlinks. 2003-06-18 14:34:03 +00:00
Eelco Dolstra 94cf1f86bb * Lambdas, applications, substitutions. 2003-06-18 12:36:12 +00:00
Eelco Dolstra fab7b128b9 * Automake sucks. 2003-06-18 08:07:28 +00:00
Eelco Dolstra 34fcf5fa0c * Started integrating the new evaluation model into Nix. 
* Cleaned up command-line syntax.
 2003-06-17 21:12:58 +00:00
Eelco Dolstra 7a96da3627 * Test for expression dereferencing. 2003-06-17 15:47:25 +00:00
Eelco Dolstra 6656993f83 * Derefencing of hashed expressions. 2003-06-17 15:45:43 +00:00
Eelco Dolstra a7ab242fb4 * Simplify the evaluator. 2003-06-17 13:37:44 +00:00
Eelco Dolstra c739e20585 * Argument processing. 2003-06-16 21:01:18 +00:00
Eelco Dolstra 727beb798a * Canonicalization: when hashing directories, sort the directory 
entries by name.
 2003-06-16 16:16:09 +00:00
Eelco Dolstra 2f04e7102e * Path hashing. 2003-06-16 15:59:23 +00:00
Eelco Dolstra a09e66da5a * Description of path hashing algorithm. 2003-06-16 14:19:32 +00:00
Eelco Dolstra 822794001c * Started implementing the new evaluation model. 
* Lots of refactorings.
* Unit tests.
 2003-06-16 13:33:38 +00:00
Eelco Dolstra b9f09b3268 * AST for Nix expressions. 2003-06-16 07:03:40 +00:00
Eelco Dolstra 21fe717ce2 * Refactoring: hash class. 2003-06-15 13:41:32 +00:00