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Author SHA1 Message Date
Eelco Dolstra ac1e8f40d4 * Use a symbol table to represent identifiers and attribute names 
efficiently.  The symbol table ensures that there is only one copy
  of each symbol, thus allowing symbols to be compared efficiently
  using a pointer equality test.
 2010-04-13 12:25:42 +00:00
Eelco Dolstra 10e8b1fd15 * Finished the ATerm-less parser. 2010-04-12 23:33:23 +00:00
Eelco Dolstra 0d272fca79 * Remove some obsolete functions. 2010-04-12 23:31:47 +00:00
Eelco Dolstra d4f0b0fc6c * Indented strings. 2010-04-12 22:03:27 +00:00
Eelco Dolstra a60317f20f * More missing constructs. 2010-04-12 21:21:24 +00:00
Eelco Dolstra 4d6ad5be17 * Don't use ATerms for the abstract syntax trees anymore. Not 
finished yet.
 2010-04-12 18:30:11 +00:00
Eelco Dolstra ed711f73bc * Don't use ATerms to represent integers in the lexer. 2010-04-12 10:38:18 +00:00
Eelco Dolstra db90b88e65 * Hack to support builderDefs expressions. 2010-04-12 09:50:20 +00:00
Eelco Dolstra 4e49002576 * Doh. 2010-04-12 09:45:00 +00:00
Eelco Dolstra c3f228f296 2010-04-12 09:14:27 +00:00
Ludovic Courtès aac5fcfbb5 Re-add drvPath' and outPath' attributes to <derivation> XML nodes. 
This fixes a regression introduced in r20882 ("Add source location
information to the XML output.").

* src/libexpr/expr-to-xml.cc (nix::printTermAsXML): Dereference the
  attribute RHS from "drvPath" and "outPath".
 2010-04-09 21:30:55 +00:00
Eelco Dolstra f3dc7ab877 * Keep more statistics about stack space usage. 
* Reduce stack space usage.
 2010-04-09 12:00:49 +00:00
Eelco Dolstra b7b3dd55f9 * Remove a lot of dead code. 2010-04-08 11:41:19 +00:00
Eelco Dolstra 7e048eddf5 * Fix blackholing. If evaluation fails due to an assertion failure, 
then the blackhole has to be removed to ensure that repeated
  evaluation of the same value gives an assertion failure again rather
  than an "infinite recursion" error.
 2010-04-08 11:25:14 +00:00
Eelco Dolstra af2a372bb0 * Update autoCallFunction() and findAlongAttrPath(). 2010-04-07 15:47:06 +00:00
Eelco Dolstra 9a64454faa * expr-to-xml -> value-to-xml. 2010-04-07 13:59:45 +00:00
Eelco Dolstra fc92244ba8 * Implemented the primops necessary for generating the NixOS manual. 2010-04-07 13:55:46 +00:00
Eelco Dolstra a353aef0b1 * In eval(), don't use the target value `v' as a temporary. 
Overwriting `v' breaks when the expression evaluation to an
  assertion failure or throw.
 2010-04-06 14:15:29 +00:00
Eelco Dolstra a5ece7d016 * Removed the `~' operator. 2010-04-01 16:59:07 +00:00
Eelco Dolstra c172274e17 * Quick hack to make coerceToString work more or less correctly on 
nested lists.  `nix-instantiate' can now evaluate the NixOS system
  derivation attribute correctly (in 2.1s on my laptop vs. 6.2s for
  the trunk).
 2010-04-01 14:35:03 +00:00
Eelco Dolstra 7b851915bf * Improve sharing. 2010-04-01 12:04:57 +00:00
Eelco Dolstra 95cc417d76 * Functions are incomparable. 2010-04-01 10:55:36 +00:00
Eelco Dolstra 71f026292b * Make `derivation' lazy again for performance. It also turns out 
that there are some places in Nixpkgs (php_configurable /
  composableDerivation, it seems) that call `derivation' with
  incorrect arguments (namely, the `name' attribute missing) but get
  away with it because of laziness.
 2010-04-01 09:55:57 +00:00
Eelco Dolstra dc31305b38 * Fixed the trace primop and path comparison. 
* Removed exprToString and stringToExpr because there is no ATerm
  representation to work on anymore (and exposing the internals of the
  evaluator like this is not a good idea anyway).
 2010-03-31 20:09:20 +00:00
Eelco Dolstra 979f163615 * Handle string contexts. `nix-instantiate' can now correctly compute 
the `firefoxWrapper' attribute in Nixpkgs, and it's about 3 times
  faster than the trunk :-)
 2010-03-31 19:52:29 +00:00
Eelco Dolstra d8cd3115d8 * Get nix-env to compile. 2010-03-31 19:12:08 +00:00
Eelco Dolstra 55e207b2dc * Cache parse trees to prevent repeated parsing of imported Nix 
expressions.
 2010-03-31 16:14:32 +00:00
Eelco Dolstra 3d94be61ea * Implemented derivations. 2010-03-31 15:38:03 +00:00
Ludovic Courtès 09381cccff Make source location info in the XML output optional. 
* src/libexpr/expr-to-xml.cc (nix::showAttrs): Add `location'
  parameter.  Provide location XML attributes when it's true.  Update
  callers.
  (nix::printTermAsXML): Likewise.

* src/libexpr/expr-to-xml.hh (nix::printTermAsXML): Update prototype;
  have `location' default to `false'.

* src/nix-instantiate/nix-instantiate.cc (printResult, processExpr): Add
  `location' parameter; update callers.
  (run): Add support for `--no-location'.

* src/nix-instantiate/help.txt: Update accordingly.

* tests/lang.sh: Invoke `nix-instantiate' with `--no-location' for the
  XML tests.

* tests/lang/eval-okay-toxml.exp, tests/lang/eval-okay-to-xml.nix: New
  files.
 2010-03-31 12:38:31 +00:00
Eelco Dolstra 13c2adc897 * Implemented `rec { inherit ...; }'. 2010-03-31 11:05:39 +00:00
Eelco Dolstra 4c53ca2692 * Compare nulls. 2010-03-31 09:54:12 +00:00
Ludovic Courtès 471419d1fa Add source location information to the XML output. 
* src/libexpr/expr-to-xml.cc (nix::showAttrs): Dereference the attribute
  RHS.  Add "path", "line", and "column" XML attributes to the node when
  source location information is available.
  (nix::printTermAsXML): Likewise for functions.
 2010-03-31 08:29:05 +00:00
Ludovic Courtès eb07a4f1ee Escape `>' signs in the XML output. 
* src/libutil/xml-writer.cc (nix::XMLWriter::writeAttrs): Escape `>'.
 2010-03-31 08:29:01 +00:00
Eelco Dolstra 7f19e03c65 * More primops. 2010-03-30 22:39:48 +00:00
Eelco Dolstra 47df476daa * More operators / primops. 2010-03-30 18:05:54 +00:00
Eelco Dolstra c9170be2bd * More primops. 2010-03-30 15:18:20 +00:00
Eelco Dolstra c3aa615a5f * More primops. 2010-03-30 14:39:27 +00:00
Eelco Dolstra 5b72d8a749 * Implemented `map'. 2010-03-30 13:47:59 +00:00
Eelco Dolstra d78a05ab40 * Make `import' work. 2010-03-30 09:22:33 +00:00
Eelco Dolstra 31428c3a06 * Started integrating the new evaluator. 2010-03-29 14:37:56 +00:00
Eelco Dolstra 52090d2418 2010-03-29 10:13:51 +00:00
Eelco Dolstra e3f32ac5af 2010-03-29 09:43:55 +00:00
Eelco Dolstra 807a67bc74 2010-03-29 09:43:39 +00:00
Eelco Dolstra 392811eb8f * Strings. 2010-03-28 18:27:07 +00:00
Eelco Dolstra d96cdcea6b 2010-03-28 16:57:16 +00:00
Eelco Dolstra 3d2b835f30 * Implemented multi-argument primops. 2010-03-28 16:37:39 +00:00
Eelco Dolstra 45d822f29c * Primops (not yet finished). 2010-03-26 15:45:53 +00:00
Eelco Dolstra cad8726b2c * Implemented the ==' and !=' operators. These now use a deep 
equality test, so they also work for (finite) attribute sets and
  lists.
 2010-03-26 13:27:26 +00:00
Eelco Dolstra 8da118e4d0 * Measure stack usage. 2010-03-25 16:35:24 +00:00
Eelco Dolstra c2ba4313fb * Implemented lists. 2010-03-25 15:38:37 +00:00
Eelco Dolstra 25eedf085d * Quick and dirty implementation of with'. with e1; e2' is 
basically desugared to `let <with> = e1; e2', and `lookupVar' looks
  in each <with> in the environment chain for an attribute with the
  specified name.
 2010-03-25 14:51:04 +00:00
Eelco Dolstra 3c9f8fc9b6 * Don't convert variable names to strings. 2010-03-25 13:10:04 +00:00
Eelco Dolstra f450384ded * Implement blackholing. 2010-03-25 12:51:14 +00:00
Eelco Dolstra ef8bd919fc * Implement `...' and default function arguments. 2010-03-25 12:45:23 +00:00
Eelco Dolstra 8a10360c91 * Simplify @-patterns: only {attrs}@name' or name@{attrs}' are now 
allowed.  So `name1@name2', `{attrs1}@{attrs2}' and so on are now no
  longer legal.  This is no big loss because they were not useful
  anyway.

  This also changes the output of builtins.toXML for @-patterns
  slightly.
 2010-03-25 12:19:41 +00:00
Eelco Dolstra 7482349fe8 * Implemented attribute set pattern matches. 2010-03-24 23:40:00 +00:00
Eelco Dolstra 0fd3648d34 * Store values in environments. 2010-03-24 12:41:08 +00:00
Eelco Dolstra b70bd8fe56 * Reduce the number of value allocations in eval() by moving 
responsibility for allocation of the result to the caller.
 2010-03-24 12:11:38 +00:00
Eelco Dolstra d31c59eb17 * Plain lambdas. 2010-03-24 11:06:05 +00:00
Eelco Dolstra e8f7978274 2010-03-23 19:19:52 +00:00
Eelco Dolstra 0910ae9568 * Start of an evaluator that uses call-by-need (with thunk updating) 
instead of (memoised) call-by-name.
 2010-03-23 17:30:50 +00:00
Eelco Dolstra 141294ff38 * Clean up error messages in killUser(). 2010-03-19 11:36:34 +00:00
Eelco Dolstra f0c473c5f7 * Fix building on Cygwin (http://hydra.nixos.org/build/325071). 2010-03-16 13:01:52 +00:00
Nicolas Pierron 741b7577c1 Merge r20344 & r20346. 2010-03-14 11:58:07 +00:00
Lluís Batlle i Rossell 2fb0df83e9 Uh. somehow a Makefile tab got in as spaces. Fixing. 2010-03-11 21:22:52 +00:00
Lluís Batlle i Rossell 13cce8ec45 Making 'bin2c' to be built with the compiler for the local system. 
I copied the configure.ac code about CC_FOR_BUILD from libX11.
 2010-03-11 20:56:25 +00:00
Ludovic Courtès 05e15049a5 Show the build user's group in /etc/group in chroots. 
* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Create
  /etc/group showing the build user's group.
 2010-03-11 14:47:04 +00:00
Ludovic Courtès c752c9f41a Fix thinko in r20547. 
* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Fix the GID
  of the build user in /etc/passwd.
 2010-03-11 10:33:04 +00:00
Ludovic Courtès 2e8eaca573 Clear supplementary groups of `nixbld' in /etc/passwd in chroots. 
* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Don't
  display any supplementary groups for `nixbld' in /etc/passwd.
 2010-03-11 10:21:23 +00:00
Eelco Dolstra 84a4dd5ff0 * Don't use fdatasync since it doesn't work on Snow Leopard. 
* Don't refer to config.h in util.hh, because config.h is not
  installed (http://hydra.nixos.org/build/303053).
 2010-02-24 15:46:06 +00:00
Ludovic Courtès 20186a4079 Don't rely on `PATH_MAX' on GNU. 2010-02-10 15:55:50 +00:00
Eelco Dolstra 4e17be7981 * Revert r19797, and use a simpler solution: just don't monitor build 
hooks for silence.  It's unnecessary because the remote nix-store
  command is already monitoring the real build.
 2010-02-03 21:38:41 +00:00
Eelco Dolstra f859a8d3c3 * While waiting for a lock, print a sign of life every 5 minutes. 
This prevents remote builders from being killed by the
  `max-silent-time' inactivity monitor while they are waiting for a
  long garbage collection to finish.  This happens fairly often in the
  Hydra build farm.
 2010-02-03 21:22:57 +00:00
Eelco Dolstra 4bbbe25802 * Remove most Cygwin-specific code. Cygwin 1.7 implements advisory 
POSIX locks, and simulates Unix-style file deletion semantics
  sufficiently.  Note that this means that Nix won't work on Cygwin
  1.5 anymore.
 2010-02-02 15:28:36 +00:00
Eelco Dolstra 2723d9b56e * If fdatasync() isn't available, use fsync(). 2010-02-02 11:57:49 +00:00
Eelco Dolstra 07ffdc2862 * Added an option "fsync-metadata" to fsync() changes to 
/nix/var/nix/db.
* Removed the function writeStringToFile since it does (almost) the
  same thing as writeFile.
 2010-01-29 12:22:58 +00:00
Eelco Dolstra ad529fb89f * Don't consider a store path valid if its info file exists but is 
zero bytes long.  That makes Nix more robust in case of crashes
  (especially on ext4).
 2010-01-29 11:53:58 +00:00
Eelco Dolstra fdcaf37361 * Made `nix-store -qR --include-outputs' much faster if there are 
multiple paths specified on the command line (from O(n * m) to O(n +
  m), where n is the number of arguments and m is the size of the
  closure).
 2010-01-25 17:18:44 +00:00
Eelco Dolstra 5388944e8d * Make the garbage collector do the right thing when `gc-keep-outputs' 
is enabled by not depending on the deriver.
 2010-01-25 16:04:32 +00:00
Eelco Dolstra f0c0277970 * On startup, set the default SIGCHLD handler. This is so that Nix 
works correctly in weird environments where the SIGCHLD handler is
  set to "ignore".
 2010-01-12 12:22:38 +00:00
Eelco Dolstra ef92a14bfe * Include config.h before the C library headers, because it defines 
_FILE_OFFSET_BITS=64.  Without it, functions like stat() fail on
  large file sizes.  This happened with a Nix store on squashfs:

  $ nix-store --dump /tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds > /dev/null
  error: getting attributes of path `/tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds': Value too large for defined data type

  $ stat /tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds
  File: `/tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds'
  Size: 0               Blocks: 36028797018963968 IO Block: 1024   regular empty file

  (This is a bug in squashfs or mksquashfs, but it shouldn't cause Nix
  to fail.)
 2009-12-17 14:12:44 +00:00
Eelco Dolstra 945d8218fb * Build correctly against newer ATerm releases. Fixes "error: 'union' 
tag used in naming 'struct _ATerm'".
 2009-12-16 15:29:50 +00:00
Eelco Dolstra bcd6cdf0d8 * Give a better error message when trying to build something and 
readOnlyMode is set.
 2009-12-09 17:45:22 +00:00
Eelco Dolstra 13618b191e * Grrr. 2009-11-24 13:28:46 +00:00
Eelco Dolstra aa5a768720 * GCC 4.4 is stricter about the EOF macro 
(http://hydra.nixos.org/build/156340).
 2009-11-24 12:56:26 +00:00
Eelco Dolstra 9b8fda796b * Templatise getIntArg / string2Int. 2009-11-24 12:26:25 +00:00
Eelco Dolstra 8022015552 * In the garbage collector, don't count files with a link count > 1 in 
the "bytes/blocks freed" statistics.
 2009-11-24 10:51:52 +00:00
Eelco Dolstra f9e766db98 * Randomise the order in which we delete entries to make the collector 
less biased towards deleting paths that come alphabetically first
  (e.g. /nix/store/000...).  This matters when using --max-freed etc.
 2009-11-24 09:53:18 +00:00
Eelco Dolstra ca50c83fbb 2009-11-23 21:21:29 +00:00
Eelco Dolstra 3d55f1eb57 * A command `nix-store --query --roots <paths>' to find the garbage 
collector roots that point (directly or indirectly) to the given
  paths.
 2009-11-23 18:16:25 +00:00
Eelco Dolstra ae6bf87273 * `nix-store --gc --print-roots': also print the path of the actual 
root symlink, not just its target.  E.g.:

  /nix/var/nix/profiles/system-99-link -> /nix/store/76kwf88657nq7wgk1hx3l1z5q91zb9wd-system
 2009-11-23 17:23:12 +00:00
Eelco Dolstra c364d5d1e3 * Made the garbage collector a lot faster. It no longer computes the 
complete set of live and dead paths before starting the actual
  deletion, but determines liveness on demand.  I.e. for any path in
  the store, it first tries to delete all the referrers, and then the
  path itself.  This means that the collector can start deleting paths
  almost immediately.
 2009-11-23 16:34:24 +00:00
Eelco Dolstra 8824d60fe5 * Remove the --use-atime / --max-atime garbage collector flags. Many 
(Linux) machines no longer maintain the atime because it's too
  expensive, and on the machines where --use-atime is useful (like the
  buildfarm), reading the atimes on the entire Nix store takes way too
  much time to make it practical.
 2009-11-20 17:12:38 +00:00
Eelco Dolstra 327a232c85 * Remove support for old (before Nix 0.12pre12020) databases. 2009-11-06 01:15:44 +00:00
Eelco Dolstra 8520542071 * When building in a chroot, make a copy of a file if hard-linking 
fails.  This is likely to happen after a `nix-store --optimise',
  because some files may have 32000 links (NIX-111).
 2009-10-22 08:28:33 +00:00
Eelco Dolstra 6b9f6b0222 * Remove a prototype for a function that no longer exists. 2009-10-22 08:12:38 +00:00
Eelco Dolstra deb342fb08 * builtins.trace: in the common case that the value is a string, then 
show the string, not the ATerm, so we get `trace: bla' instead of
  `trace: Str("bla",[])'.
 2009-10-22 08:10:12 +00:00
Eelco Dolstra 437077c39d * Added a primop unsafeDiscardOutputDependency needed by Disnix to 
pass derivation paths to a builder without actually building them.
 2009-10-21 15:05:30 +00:00
Eelco Dolstra 6f7d7bc1de * Give a useful error message when an evaluation error occurs while 
trying to upgrade a package.
 2009-10-13 09:30:17 +00:00
Sander van der Burg 53a4981fa2 Added optional parameter which adds -lnsl -lsocket to make the Nix package manager work on OpenSolaris 2009-10-08 14:50:37 +00:00