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Author SHA1 Message Date
Eelco Dolstra
50d11b90ca * Allow unsafe (unspecified) comparisons between attrsets unless 
NIX_NO_UNSAFE_EQ is set, for now.
 2009-05-12 11:06:24 +00:00
Eelco Dolstra
c34e6d71bc * Disallow equality tests between attribute sets. This was always 
broken, but now the evaluator checks for it to prevent Nix
  expressions from relying on undefined behaviour.  Equality tests are
  implemented using a shallow pointer equality test between ATerms.
  However, because attribute sets are lazy and contain position
  information, this can give false positives.  For instance,
  previously

    let y = {x = 1;}; in y == y

  evaluated to true, while the equivalent expression

    {x = 1;} == {x = 1;}

  evaluated to false.  So disallow these tests for now.  (Eventually
  we may want to implement deep equality tests for attribute sets,
  like lib.eqStrict.)
  
* Idem: disallow comparisons between functions.

* Implemented deep comparisons of lists.  This had the same problem as
  attribute sets - the elements in the list weren't evaluated.  For
  instance,

    ["xy"] == [("x" + "y")]

  evaluated to false.  Now it works properly.
 2009-05-11 15:50:14 +00:00
Eelco Dolstra
9536ba19d4 2009-05-07 13:22:26 +00:00
Eelco Dolstra
83bd320b39 * Build a PDF version of the manual in the tarball job (it's not 
included in the tarball though).
 2009-05-07 13:12:46 +00:00
Eelco Dolstra
f751c2966b * Don't have a bugs section in the manual. Bugs should be kept in the 
bug tracker.
 2009-05-07 13:11:58 +00:00
Eelco Dolstra
404996ca1f * Produce the manual in the tarball job. 2009-05-07 12:57:04 +00:00
Eelco Dolstra
7660e2a068 * Remove a right recursion that causes the parser to barf on very long 
lists.  The comment about ATreverse requiring unbounded stack space
  was unfounded anyway.
 2009-05-07 11:35:52 +00:00
Eelco Dolstra
52a9ba96f5 * Include the version file. 2009-05-07 11:34:08 +00:00
Eelco Dolstra
6a5599fd01 * Typo. 2009-05-07 11:33:57 +00:00
Michael Raskin
098cb9d233 Add an ftruncate call paired with fallocate to play safe with some FSes (namely, BtrFS fallocate sets file size to allocated size, i.e. multiple of block size) 2009-05-04 08:10:24 +00:00
Eelco Dolstra
c710fe540e * Machines of type x86_64-linux can do i686-linux builds. 2009-04-21 12:42:47 +00:00
Eelco Dolstra
d5eab2fc82 * Use foreach in a lot of places. 2009-04-21 11:52:16 +00:00
Eelco Dolstra
8f1bf28505 * nix-store --verify: don't bail out if a referenced path is missing. 
(It can't fix it though.)
 2009-04-21 11:06:27 +00:00
Eelco Dolstra
4e646b0ddb * Fix a few "comparison is always false/true due to limited range of 
data type" warnings on 64-bit platforms.  The one in parser.y is
  likely to be a real bug.
 2009-04-16 12:03:17 +00:00
Eelco Dolstra
0460ea4c39 * Cleanup. 2009-04-16 09:27:33 +00:00
Eelco Dolstra
dfb863f333 * Don't cache transient build hook problems. 2009-04-15 06:25:02 +00:00
Eelco Dolstra
435a93b5d8 * Remove references to __XXX primops. 2009-04-14 13:03:27 +00:00
Eelco Dolstra
8b2a01a8c2 * Release notes. 2009-04-14 12:02:22 +00:00
Eelco Dolstra
50cb6f9782 * Debian packages: use /etc, not /usr/etc. 2009-04-02 08:16:15 +00:00
Eelco Dolstra
351bf658f9 * Do a substitution even if --max-jobs == 0. 2009-03-31 21:14:07 +00:00
Eelco Dolstra
cff2b2a13a * Doh! 2009-03-31 15:50:03 +00:00
Eelco Dolstra
160a60d663 2009-03-30 19:35:55 +00:00
Eelco Dolstra
805144b705 * Make the poll interval configurable. 2009-03-30 11:34:03 +00:00
Eelco Dolstra
096affb55b * Update the mtime on the lock file to make it easy to see when a slot 
was last used.
 2009-03-29 18:40:44 +00:00
Eelco Dolstra
cbc1f57b48 * Undocument the "system" option. No sane person would use it :-) 2009-03-29 18:08:32 +00:00
Eelco Dolstra
7377195297 * With `--max-jobs 0', print a nicer error message than "Assertion 
`!awake.empty()' failed."
 2009-03-29 18:06:00 +00:00
Eelco Dolstra
737423a89c * Use polling to wait for a remote build slot when using a build hook 
(that is, call the build hook with a certain interval until it
  accepts the build).
* build-remote.pl was totally broken: for all system types other than
  the local system type, it would send all builds to the *first*
  machine of the appropriate type.
 2009-03-29 18:00:45 +00:00
Eelco Dolstra
47706e3924 * nix-copy-closure: compute the closure in one call to nix-store, 
which is much faster.
 2009-03-28 21:10:29 +00:00
Eelco Dolstra
6e946c8e72 * Scan for references and compute the SHA-256 hash of the output in 
one pass.  This halves the amount of I/O.
 2009-03-28 20:51:33 +00:00
Eelco Dolstra
c7152c8f97 * Don't use the non-standard __gnu_cxx::stdio_filebuf class. 2009-03-28 19:41:53 +00:00
Eelco Dolstra
3a2bbe7f8a * Simplify communication with the hook a bit (don't use file 
descriptors 3/4, just use stdin/stderr).
 2009-03-28 19:29:55 +00:00
Eelco Dolstra
7fb548aa26 * Clean up the output a bit. 2009-03-28 16:12:46 +00:00
Eelco Dolstra
f54e800366 * The `fixedOutput' variable didn't get initialised when using a build 
hook, causing negative caching to fail randomly.
 2009-03-28 16:12:27 +00:00
Eelco Dolstra
38f98b3282 * Argh, stupid timing sensitive tests... 2009-03-27 22:40:22 +00:00
Eelco Dolstra
e23a7a8b7b * Debian 5.0, Ubuntu 8.10 builds. 2009-03-27 14:20:03 +00:00
Eelco Dolstra
cb85bc396e * Create /nix/store if it doesn't exist. 2009-03-27 14:19:04 +00:00
Eelco Dolstra
61686926d1 * A job for creating a fully statically linked binary tarball. 2009-03-26 14:12:42 +00:00
Eelco Dolstra
9856efc7b0 * Support doing a fully static build. Statically linked Nix binaries 
will be useful as a fallback on platforms for which there are no
  RPMs/Debs available.
 2009-03-26 12:22:08 +00:00
Eelco Dolstra
5dd8fb2069 * Don't use ULLONG_MAX in maxFreed - use 0 to mean "no limit". 
18446744073709551615ULL breaks on GCC 3.3.6 (`integer constant is
  too large for "long" type').
 2009-03-26 11:02:07 +00:00
Eelco Dolstra
92f525ecf4 * Negative caching, i.e. caching of build failures. Disabled by 
default.  This is mostly useful for Hydra.
 2009-03-25 21:05:42 +00:00
Eelco Dolstra
7024a1ef07 * Removed the locking.sh test; it's redundant because of the extended 
parallel.sh test.  Also, don't call multiple nix-builds in parallel,
  since they can race creating .nix-build-tmp-derivation.
 2009-03-25 16:43:38 +00:00
Eelco Dolstra
8146a0c731 * Use bash in the tests. 2009-03-25 16:11:04 +00:00
Eelco Dolstra
a046858a22 * Doh. 2009-03-24 23:40:24 +00:00
Eelco Dolstra
12c8c64efa 2009-03-24 14:07:37 +00:00
Eelco Dolstra
7aedcf9460 * Make this test a bit more robust. It's still timing dependent 
though.
 2009-03-23 15:16:36 +00:00
Eelco Dolstra
3a87163b24 * Shut up a GCC warning. 2009-03-23 13:52:52 +00:00
Eelco Dolstra
cacff1be88 * No longer block while waiting for a lock on a store path. Instead 
poll for it (i.e. if we can't acquire the lock, then let the main
  select() loop wait for at most a few seconds and then try again).
  This improves parallelism: if two nix-store processes are both
  trying to build a path at the same time, the second one shouldn't
  block; it should first see if it can build other goals.  Also, it
  prevents the deadlocks that have been occuring in Hydra lately,
  where a process waits for a lock held by another process that's
  waiting for a lock held by the first.

  The downside is that polling isn't really elegant, but POSIX doesn't
  provide a way to wait for locks in a select() loop.  The only
  solution would be to spawn a thread for each lock to do a blocking
  fcntl() and then signal the main thread, but that would require
  pthreads.
 2009-03-23 01:05:54 +00:00
Eelco Dolstra
58969fa2bf * Refactoring. 2009-03-22 23:53:05 +00:00
Eelco Dolstra
d7b2d11255 * Test case (currently fails): multiple Nix builds shouldn't block 
waiting on the same lock when there are other builds that can be
  done.
 2009-03-22 23:16:18 +00:00
Eelco Dolstra
7a57b2920b * Better error message when nix-store --import is applied to garbage 
(previously it would likely say "implementation cannot deal with >
  32-bit integers").
 2009-03-22 17:51:45 +00:00