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2009-10-22 * When building in a chroot, make a copy of a file if hard-linkingEelco Dolstra1-2/+13
fails. This is likely to happen after a `nix-store --optimise', because some files may have 32000 links (NIX-111).
2009-10-22 * Remove a prototype for a function that no longer exists.Eelco Dolstra1-3/+0
2009-10-22 * builtins.trace: in the common case that the value is a string, thenEelco Dolstra1-1/+6
show the string, not the ATerm, so we get `trace: bla' instead of `trace: Str("bla",[])'.
2009-10-21 * Added a primop unsafeDiscardOutputDependency needed by Disnix toEelco Dolstra1-3/+34
pass derivation paths to a builder without actually building them.
2009-10-13 * Give a useful error message when an evaluation error occurs whileEelco Dolstra1-41/+48
trying to upgrade a package.
2009-10-08 Added optional parameter which adds -lnsl -lsocket to make the Nix package ↵Sander van der Burg6-6/+6
manager work on OpenSolaris
2009-09-30 * Support platforms that don't have O_ASYNC (e.g. OpenSolarisEelco Dolstra1-3/+17
apparently).
2009-09-30 * OpenSolaris compatibility.Eelco Dolstra1-1/+6
2009-09-24 * And some more.Eelco Dolstra2-0/+2
2009-09-24 * Fix a build failure on Fedora 11. rename() needs <stdio.h>.Eelco Dolstra1-0/+1
2009-09-23 * tryEval shouldn't catch all exceptions of type Error, since not allEelco Dolstra1-2/+2
of them leave the evaluator in a continuable state. Also, it should be less chatty.
2009-09-23 * Darwin hack.Eelco Dolstra1-0/+7
2009-09-23 * Create some state directories automatically as a convenience.Eelco Dolstra2-6/+17
2009-09-23  * include wait.h for WEXITSTATUSRob Vermaas1-0/+1
2009-09-15 * Two primops: builtins.intersectAttrs and builtins.functionArgs.Eelco Dolstra1-0/+66
intersectAttrs returns the (right-biased) intersection between two attribute sets, e.g. every attribute from the second set that also exists in the first. functionArgs returns the set of attributes expected by a function. The main goal of these is to allow the elimination of most of all-packages.nix. Most package instantiations in all-packages.nix have this form: foo = import ./foo.nix { inherit a b c; }; With intersectAttrs and functionArgs, this can be written as: foo = callPackage (import ./foo.nix) { }; where callPackage = f: args: f ((builtins.intersectAttrs (builtins.functionArgs f) pkgs) // args); I.e., foo.nix is called with all attributes from "pkgs" that it actually needs (e.g., pkgs.a, pkgs.b and pkgs.c). (callPackage can do any other generic package-level stuff we might want, such as applying makeOverridable.) Of course, the automatically supplied arguments can be overriden if needed, e.g. foo = callPackage (import ./foo.nix) { c = c_version_2; }; but for the vast majority of packages, this won't be needed. The advantages are to reduce the amount of typing needed to add a dependency (from three sites to two), and to reduce the number of trivial commits to all-packages.nix. For the former, there have been two previous attempts: - Use "args: with args;" in the package's function definition. This however obscures the actual expected arguments of a function, which is very bad. - Use "{ arg1, arg2, ... }:" in the package's function definition (i.e. use the ellipis "..." to allow arbitrary additional arguments), and then call the function with all of "pkgs" as an argument. But this inhibits error detection if you call it with an misspelled (or obsolete) argument.
2009-08-25 Adding tryEval builtin. It allows to catch presence of errors in an expression.Michael Raskin1-0/+18
2009-07-02 * Replace newlines in table output with spaces.Eelco Dolstra1-6/+7
2009-06-30 * Support integers and lists of strings in meta fields. This isEelco Dolstra3-41/+106
useful for fields like meta.maintainers, meta.priority (which can be a proper integer now) and even meta.license (if there are multiple licenses).
2009-06-30 * Don't show trace information by default (`--show-trace' to enable).Eelco Dolstra4-3/+12
NixOS evaluation errors in particular look intimidating and generally aren't very useful. Ideally the builtins.throw messages should be self-contained.
2009-06-13 * Canonicalise timestamps in the Nix store to 1 (1970-01-01 00:00:01Eelco Dolstra2-3/+3
UTC) rather than 0 (00:00:00). 1 is a better choice because some programs use 0 as a special value. For instance, the Template Toolkit uses a timestamp of 0 to denote the non-existence of a file, so it barfs on files in the Nix store (see template-toolkit-nix-store.patch in Nixpkgs). Similarly, Maya 2008 fails to load script directories with a timestamp of 0 and can't be patched because it's closed source. This will also shut up those "implausibly old time stamp" GNU tar warnings.
2009-05-15 * Change the scoping of "inherit (e) ..." in recs so that theEelco Dolstra1-2/+3
attributes of the rec are in scope of `e'. This is useful in expressions such as rec { lib = import ./lib; inherit (lib) concatStrings; } It does change the semantics of expressions such as let x = {y = 1;}; in rec { x = {y = 2;}; inherit (x) y; }.y This now returns 2 instead of 1. However, no code in Nixpkgs or NixOS seems to rely on the old behaviour.
2009-05-15 * Some syntactic sugar for attribute sets: allow {x.y.z = ...;} as aEelco Dolstra4-26/+83
shorthand for {x = {y = {z = ...;};};}. This is especially useful for NixOS configuration files, e.g. { services = { sshd = { enable = true; port = 2022; }; }; } can now be written as { services.sshd.enable = true; services.sshd.port = 2022; } However, it is currently not permitted to write { services.sshd = {enable = true;}; services.sshd.port = 2022; } as this is considered a duplicate definition of `services.sshd'.
2009-05-14 * Check for duplicate attributes in fixAttrs, rather than doing aEelco Dolstra1-94/+63
separate traversal after parsing. Likewise, check for duplicate pattern variables right away.
2009-05-12 * Allow unsafe (unspecified) comparisons between attrsets unlessEelco Dolstra2-1/+9
NIX_NO_UNSAFE_EQ is set, for now.
2009-05-11 * Disallow equality tests between attribute sets. This was alwaysEelco Dolstra1-6/+42
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.
2009-05-07 * Remove a right recursion that causes the parser to barf on very longEelco Dolstra1-6/+3
lists. The comment about ATreverse requiring unbounded stack space was unfounded anyway.
2009-05-04 Add an ftruncate call paired with fallocate to play safe with some FSes ↵Michael Raskin2-0/+9
(namely, BtrFS fallocate sets file size to allocated size, i.e. multiple of block size)
2009-04-21 * Use foreach in a lot of places.Eelco Dolstra10-96/+59
2009-04-21 * nix-store --verify: don't bail out if a referenced path is missing.Eelco Dolstra1-14/+13
(It can't fix it though.)
2009-04-16 * Fix a few "comparison is always false/true due to limited range ofEelco Dolstra3-5/+5
data type" warnings on 64-bit platforms. The one in parser.y is likely to be a real bug.
2009-04-15 * Don't cache transient build hook problems.Eelco Dolstra1-6/+11
2009-03-31 * Do a substitution even if --max-jobs == 0.Eelco Dolstra1-17/+22
2009-03-31 * Doh!Eelco Dolstra1-1/+1
2009-03-30 (no commit message)Eelco Dolstra1-0/+1
2009-03-30 * Make the poll interval configurable.Eelco Dolstra1-2/+2
2009-03-29 * With `--max-jobs 0', print a nicer error message than "AssertionEelco Dolstra1-1/+5
`!awake.empty()' failed."
2009-03-29 * Use polling to wait for a remote build slot when using a build hookEelco Dolstra1-31/+1
(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.
2009-03-28 * Scan for references and compute the SHA-256 hash of the output inEelco Dolstra3-89/+50
one pass. This halves the amount of I/O.
2009-03-28 * Don't use the non-standard __gnu_cxx::stdio_filebuf class.Eelco Dolstra2-33/+17
2009-03-28 * Simplify communication with the hook a bit (don't use fileEelco Dolstra3-70/+49
descriptors 3/4, just use stdin/stderr).
2009-03-28 * The `fixedOutput' variable didn't get initialised when using a buildEelco Dolstra1-5/+6
hook, causing negative caching to fail randomly.
2009-03-27 * Create /nix/store if it doesn't exist.Eelco Dolstra1-0/+2
2009-03-26 * Don't use ULLONG_MAX in maxFreed - use 0 to mean "no limit".Eelco Dolstra4-10/+8
18446744073709551615ULL breaks on GCC 3.3.6 (`integer constant is too large for "long" type').
2009-03-25 * Negative caching, i.e. caching of build failures. Disabled byEelco Dolstra3-6/+79
default. This is mostly useful for Hydra.
2009-03-24 * Doh.Eelco Dolstra1-1/+1
2009-03-24 (no commit message)Eelco Dolstra1-1/+1
2009-03-23 * Shut up a GCC warning.Eelco Dolstra1-2/+2
2009-03-23 * No longer block while waiting for a lock on a store path. InsteadEelco Dolstra5-28/+85
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.
2009-03-22 * Refactoring.Eelco Dolstra1-136/+85
2009-03-22 * Better error message when nix-store --import is applied to garbageEelco Dolstra1-1/+1
(previously it would likely say "implementation cannot deal with > 32-bit integers").