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1510 commits

Author SHA1 Message Date
Eelco Dolstra f491ae97d4 * Inline some functions and get rid of the indirection through 
EvalState::eval().  This gives a 12% speedup on ‘nix-instantiate
  /etc/nixos/nixos/ -A system --readonly-mode’ (from 1.01s to 0.89s).
 2012-02-04 13:50:25 +00:00
Eelco Dolstra 2bda12ef3b * Print elapsed evaluation time. 2012-02-04 13:27:11 +00:00
Eelco Dolstra baa0501cc1 * Fix importing a derivation. This gave a segfault. 2012-01-26 13:13:00 +00:00
Eelco Dolstra 330df4b4db * Allow comparisons between derivations by comparing the outPath 
attributes.
 2012-01-19 23:08:47 +00:00
Eelco Dolstra 18047d4625 * Add some debug output to print the derivation name once it's known. 
This makes it easier to pinpoint the source of a crash.
 2012-01-19 23:07:42 +00:00
Eelco Dolstra 4e624849b6 * Added a command ‘nix-store --print-env $drvpath’ that prints out the 
environment of the given derivation in a format that can be sourced
  by the shell, e.g.

  $ eval "$(nix-store --print-env $(nix-instantiate /etc/nixos/nixpkgs -A pkg))"
  $ NIX_BUILD_TOP=/tmp
  $ source $stdenv/setup

  This is especially useful to reproduce the environment used to build
  a package outside of its builder for development purposes.

  TODO: add a nix-build option to do the above and fetch the
  dependencies of the derivation as well.
 2012-01-17 23:07:22 +00:00
Eelco Dolstra 9fe24c5a0d * Don't create thunks for simple constants (integers, strings, paths) 
and allocate them only once.
* Move Value and related functions into value.hh.
 2012-01-07 17:26:33 +00:00
Eelco Dolstra b52966e821 * Remove dead code. 2012-01-04 21:47:48 +00:00
Eelco Dolstra 35f2a6ba82 * Don't use dynamic_cast, it's very slow. "nix-instantiate 
/etc/nixos/nixos -A system" spent about 10% of its time in
  dynamic_cast.
 2012-01-04 21:24:11 +00:00
Eelco Dolstra 71f3c46cf6 * Drop the inefficient "Path" suffix in output attribute names. 2012-01-03 15:27:18 +00:00
Eelco Dolstra 921111d197 * Move the implementation of the ‘derivation’ primop into a separate 
file.
 2012-01-03 14:01:47 +00:00
Eelco Dolstra 6c31232e14 * Sync with the trunk. 2012-01-03 12:59:31 +00:00
Eelco Dolstra 48cea0d01e * Refactoring: Get rid of a few subdirectories in corepkgs/, and some 
other simplifications.
* Use <nix/...> to locate the corepkgs.  This allows them to be
  overriden through $NIX_PATH.
* Use bash's pipefail option in the NAR builder so that we don't need
  to create a temporary file.
 2012-01-03 00:16:29 +00:00
Eelco Dolstra 93b56acb2d * Support multiple outputs in nix-store (specifically the ‘--query’ 
and ‘--realise’ actions).
 2011-12-30 17:25:19 +00:00
Eelco Dolstra a71d02440b * Oops. 2011-12-30 17:13:25 +00:00
Eelco Dolstra 6f5e3326ce * Move topoSortPaths() out of gc.cc. 2011-12-30 15:02:50 +00:00
Eelco Dolstra b1004f40f7 * Reject a build if there is a cycle among the outputs. This is 
necessary because existing code assumes that the references graph is
  acyclic.
 2011-12-30 14:47:14 +00:00
Eelco Dolstra 254b3399ba * Sync with the trunk. 2011-12-30 13:08:14 +00:00
Eelco Dolstra 8c42a8c8ff * Make sure that lock files are cleaned up properly when building 
through the build hook.
 2011-12-25 16:38:37 +00:00
Eelco Dolstra 524fa8a4f1 * Oops. 2011-12-22 16:27:03 +00:00
Eelco Dolstra b33da599c5 * In the garbage collector, delete invalid paths before deleting 
unreachable paths.  This matters when using --max-freed etc.:
  unreachable paths could become reachable again, so it's nicer to
  keep them if there is "real" garbage to be deleted.  Also, don't use
  readDirectory() but read the Nix store and delete invalid paths in
  parallel.  This reduces GC latency on very large Nix stores.
 2011-12-22 15:55:53 +00:00
Eelco Dolstra 58d974336c * Drop unnecessary call to canonPath() (nixStore is already canonical). 2011-12-22 14:33:34 +00:00
Eelco Dolstra 2aac7cd021 * Another case of lock file permissions being too liberal. 2011-12-21 19:17:45 +00:00
Eelco Dolstra 5679041132 * The ‘foo.drvPath’ feature was already broken in read-only mode. 
Since it's rarely used and fixing it is too much work right now,
  just document it.
 2011-12-21 18:19:05 +00:00
Shea Levy b4cee3f816 Revert previous commit 
It doesn't detect indirect references
 2011-12-21 17:31:34 +00:00
Shea Levy f3c88f297d Detect and reject mutually-referential outputs 
There is probably a more efficient way to do this.
 2011-12-21 17:14:28 +00:00
Eelco Dolstra b19a0f63db * Simplify the context handling logic. 2011-12-21 15:33:30 +00:00
Eelco Dolstra b5363810bb * Fix the build. 2011-12-20 16:37:01 +00:00
Eelco Dolstra 194d21f9f6 * Sync with the trunk. 2011-12-16 23:33:01 +00:00
Eelco Dolstra 273b288a7e * importPath() -> importPaths(). Because of buffering of the input 
stream it's now necessary for the daemon to process the entire
  sequence of exported paths, rather than letting the client do it.
 2011-12-16 22:31:25 +00:00
Eelco Dolstra 8d3dfa2c17 * Avoid expensive conversions from char arrays to STL strings. 2011-12-16 21:29:46 +00:00
Eelco Dolstra e0bd307802 * Make the import operation through the daemon much more efficient 
(way fewer roundtrips) by allowing the client to send data in bigger
  chunks.
* Some refactoring.
 2011-12-16 19:44:13 +00:00
Eelco Dolstra 78598d06f0 * Clean up exception handling. 2011-12-16 15:45:42 +00:00
Eelco Dolstra 5a1b9ed0aa * Refactoring: move sink/source buffering into separate classes. 
* Buffer the HashSink.  This speeds up hashing a bit because it
  prevents lots of calls to the hash update functions (e.g. nix-hash
  went from 9.3s to 8.7s of user time on the closure of my
  /var/run/current-system).
 2011-12-15 16:19:53 +00:00
Eelco Dolstra a3e0656cbb * Buffer reads in FdSource. Together with write buffering, this 
significantly cuts down the number of syscalls (e.g., for "nix-store
  -qR /var/run/current-system" via the daemon, it reduced the number
  of syscalls in the client from 29134 to 4766 and in the daemon from
  44266 to 20666).
 2011-12-15 12:32:08 +00:00
Eelco Dolstra 3a48282b06 * Buffer writes in FdSink. This significantly reduces the number of 
system calls / context switches when dumping a NAR and in the worker
  protocol.
 2011-12-14 23:30:06 +00:00
Eelco Dolstra 893cac1402 * Remove the terminate handler, which was only really needed because 
of Berkeley DB (see r8632).
 2011-12-14 22:41:10 +00:00
Eelco Dolstra c8c0380744 * Remove unnecessary quotes. showPaths() already adds quotes. 2011-12-05 21:04:20 +00:00
Eelco Dolstra 000160f5b9 * In ‘nix-store --verify --check-contents’, repair missing hashes 
rather than complain about them.
 2011-12-02 17:52:18 +00:00
Eelco Dolstra 49f59dceca * Move parseHash16or32 into libutil, and use in nix-hash. 2011-12-02 11:47:06 +00:00
Eelco Dolstra b12b21825c * Allow '<nixexpr>' syntax to be used in nix-instantiate, nix-build 
and nix-env, e.g.,

  $ nix-env -f '<nixpkgs>' -i patchelf

  or

  $ nix-build '<nixos/tests>' -A login.test
 2011-12-01 16:41:43 +00:00
Eelco Dolstra 23c38a04cc * Slight improvement. 2011-12-01 13:51:05 +00:00
Eelco Dolstra 24f863d86b * When doing "nix-store --add-fixed" without "--recursive" via the Nix 
daemon (which is an error), print a nicer error message than
  "Connection reset by peer" or "broken pipe".
* In the daemon, log errors that occur during request parameter
  processing.
 2011-12-01 13:48:48 +00:00
Eelco Dolstra b1eb8f4249 * Get rid of some superfluous error messages if a substituter fails. 
* Say "fetch" instead of "substitute".
 2011-11-29 13:00:41 +00:00
Eelco Dolstra 5bbd693cae * Add an API function exportPaths() that provides the functionality of 
‘nix-store --export’.
* Add a Perl module that provides the functionality of
  ‘nix-copy-closure --to’.  This is used by build-remote.pl so it no
  longer needs to start a separate nix-copy-closure process.  Also, it
  uses the Perl API to do the export, so it doesn't need to start a
  separate nix-store process either.  As a result, nix-copy-closure
  and build-remote.pl should no longer fail on very large closures due
  to an "Argument list too long" error.  (Note that having very many
  dependencies in a single derivation can still fail because the
  environment can become too large.  Can't be helped though.)
 2011-11-23 15:13:37 +00:00
Eelco Dolstra 993fa94fb4 * Move initialisation of variables like nixConfDir from libmain to 
libstore so that the Perl bindings can use it as well.  It's vital
  that the Perl bindings use the configuration file, because otherwise
  nix-copy-closure will fail with a ‘database locked’ message if the
  value of ‘use-sqlite-wal’ is changed from the default.
 2011-11-22 17:28:41 +00:00
Rob Vermaas 4e1ea17052 nix: add /etc/hosts with localhost entry to chroot builds. 2011-11-21 15:19:51 +00:00
Eelco Dolstra c0b706213d * Boldly make SQLite WAL mode the default again. Hopefully the 
intermittent problems are gone by now.  WAL mode is preferrable
  because it does way fewer fsyncs.
 2011-11-07 21:11:59 +00:00
Shea Levy 3c3107da86 There's no need to mess with drvPath at all 2011-11-06 07:18:19 +00:00
Shea Levy 2ab29be70c Fix faulty reversion of my changes to unsafeDiscardOutputDependency 2011-11-06 07:03:14 +00:00