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1502 commits

Author SHA1 Message Date
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
Shea Levy
ca0d47a70c Respect all outputs passed to the derivation, not just the last one 2011-11-06 06:54:05 +00:00
Shea Levy
24b65937e1 Remove the unused sCurrentOutput symbol 2011-11-06 06:28:34 +00:00
Shea Levy
3522730316 Embed output name into the context of the *OutPath attributes and extract it for input derivations 
Multiple outputs test passes!
 2011-11-06 06:28:30 +00:00
Shea Levy
af2e53fd48 Include all outputs of derivations in the closure of explicitly-passed derivation paths 
This required adding a queryOutputDerivationNames function in the store API
 2011-11-06 06:28:20 +00:00
Shea Levy
981edeab7b The 'insert output between = signs' approach was not helpful 2011-11-06 06:28:14 +00:00
Shea Levy
2721e9f56f Merge from trunk 2011-11-06 00:13:09 +00:00
Eelco Dolstra
a12095d3be * In printValueAsXML, handle the case where a "type" attribute is not 
a string.  This happens in the NixOS option system.
* Remove a bogus comparison of a unsigned integer with -1.
 2011-10-27 19:06:23 +00:00
Shea Levy
e81c09edbf Remove the current output metadata from the string for unsaveDiscardOutputDependency 2011-09-16 11:31:00 +00:00