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Eelco Dolstra 0a623a10c7 * Allow a default value in attribute selection by writing 
x.y.z or default

  (as originally proposed in
  https://mail.cs.uu.nl/pipermail/nix-dev/2009-September/002989.html).

  For instance, an expression like

    stdenv.lib.attrByPath ["features" "ckSched"] false args

  can now be written as

    args.features.ckSched or false
 2011-07-13 12:19:57 +00:00
Eelco Dolstra 2b9e29b1c8 * Change the right-hand side of the ‘.’ operator from an attribute to 
an attribute path.  This is a refactoring to support default values.
 2011-07-06 12:28:57 +00:00
Eelco Dolstra 5580f3817c * Test case. 2011-07-06 10:58:53 +00:00
Eelco Dolstra 5637037802 * In the ‘?’ operator, allow attribute paths. For instance, you can 
write ‘attrs ? a.b’ to test whether ‘attrs’ has an attribute ‘a’
  containing an attribute ‘b’.  This is more convenient than ‘attrs ?
  a && attrs.a ? b’.

  Slight change in the semantics: it's no longer an error if the
  left-hand side of ‘?’ is not an attribute set.  In that case it just
  returns false.  So, ‘null ? foo’ no longer throws an error.
 2011-07-06 10:58:17 +00:00
Eelco Dolstra 34f4b91820 2011-07-04 14:44:53 +00:00
Ludovic Courtès 1ea6e06445 doc: Fix typo. 2011-06-30 15:48:40 +00:00
Ludovic Courtès 5c9e9f732d Add support for the build-timeout' and --timeout' options. 2011-06-30 15:19:13 +00:00
Eelco Dolstra 9c99aa2620 2011-06-27 09:01:09 +00:00
Eelco Dolstra e4d8148585 2011-06-27 08:04:54 +00:00
Eelco Dolstra 4891b21f34 * Use SQLite 3.7.6.2. 2011-05-03 16:17:24 +00:00
Eelco Dolstra d94cb02bfe * nix-install-package: unset NIX_REMOTE because $NIX_MANIFESTS_DIR 
doesn't work when building through the Nix daemon.  This also
  ensures an error message when the user doesn't have sufficient
  privileges to do nix-pull.
 2011-04-19 10:52:35 +00:00
Eelco Dolstra 8c69dac8a1 * Handle error messages from the Nix worker containing the `%' 
character.  (Nix/216)
 2011-04-19 10:44:44 +00:00
Eelco Dolstra 4ba6afaf48 * nix-env -ub' (--prebuilt-only') didn't really work because it 
checked too soon whether substitutes are available.  That is, it did
  so for every available package, rather than those matching installed
  packages.  This was very slow and subject to assertion failures.  So
  do the check much later.  Idem for `nix-env -qab' and `nix-env -ib'.
 2011-04-11 16:27:05 +00:00
Eelco Dolstra 412914d004 * Read manifests directly into the database, rather than first reading 
them into memory.  This brings memory use down to (more or less)
  O(1).  For instance, on my test case, the maximum resident size of
  download-using-manifests while filling the DB went from 142 MiB to
  11 MiB.
 2011-04-11 13:16:54 +00:00
Eelco Dolstra 08c8971498 * Lock the database during updates. 2011-04-11 12:40:13 +00:00
Eelco Dolstra b2c11b9ed0 2011-04-11 10:23:15 +00:00
Eelco Dolstra 3cbf680f5d * configure: detect whether DBD::SQLite is present. If necessary the 
location to DBI and DBD::SQLite can be passed with --with-dbi and
  --with-dbd-sqlite.
 2011-04-11 10:13:53 +00:00
Eelco Dolstra 83252b4ca9 * Subtle bug: if you import File::stat in one module, it affects other 
modules as well.  So use symbolic field names everywhere (which is
  nicer anyway).
 2011-04-11 08:21:30 +00:00
Eelco Dolstra b1882c3ef7 * Create $manifestDir if it doesn't exist. 2011-04-11 08:06:14 +00:00
Eelco Dolstra 5591fcc529 * Cache the manifests in /nix/var/nix/manifests in a SQLite database. 
This significantly speeds up the download-using-manifests
  substituter, especially if manifests are very large.  For instance,
  one "nix-build -A geeqie" operation that updated four packages using
  binary patches went from 18.5s to 1.6s.  It also significantly
  reduces memory use.

  The cache is kept in /nix/var/nix/manifests/cache.sqlite.  It's
  updated automatically when manifests are added to or removed from
  /nix/var/nix/manifests.  It might be interesting to have nix-pull
  store manifests directly in the DB, rather than storing them as
  separate flat files, but then we would need a command line interface
  to delete manifests from the DB.
 2011-04-10 23:22:46 +00:00
Eelco Dolstra 1e7e4f21ba * Remove the localPaths feature in manifests since it's no longer used 
and redundant anyway.
 2011-04-06 09:16:22 +00:00
Eelco Dolstra 0423d0692a * Print a better error message. 2011-03-16 15:55:57 +00:00
Eelco Dolstra 48bdbbf070 * Fix a bug in the documentation (reported by Olexiy Buyanskyy, 
Nix/215).
 2011-03-15 13:12:59 +00:00
Eelco Dolstra 802c2651c8 2011-02-17 15:08:33 +00:00
Eelco Dolstra e945b52a31 * nix-push: handle the case where the hash is not set in the DB. 2011-02-17 13:26:33 +00:00
Eelco Dolstra c3cee5395b * Build for Ubuntu 10.04. 2011-02-14 14:56:02 +00:00
Florian Friesdorf 8fcaf3e9c6 make nix-mode provide 'nix-mode 
this enables (require 'nix-mode)
 2011-02-14 03:11:56 +00:00
Eelco Dolstra 538b7caab0 * Don't allocate a big initial GC address space on machines with 
little RAM.  Even if the memory isn't actually used, it can cause
  problems with the overcommit heuristics in the kernel.  So use a VM
  space of 25% of RAM, up to 384 MB.
 2011-02-10 14:31:04 +00:00
Eelco Dolstra 5a6b039802 * Don't call GC_expand_hp unless we're actually using the garbage 
collector.
 2011-02-09 22:59:50 +00:00
Ludovic Courtès f1462c208b Use $BDW_GC_LIBS instead of a custom variable. 2011-02-09 21:23:13 +00:00
Eelco Dolstra 1876ab764f * A better fix. $boehmgc isn't set anywhere, we should use the flags 
returned by pkg-config.
 2011-02-09 14:13:09 +00:00
Eelco Dolstra dfc4117e90 * The GC library can't be found on Solaris 
(http://hydra.nixos.org/build/890714), so don't build with GC
  support for now.
 2011-02-09 14:08:32 +00:00
Eelco Dolstra d159ea1b7e * Urgh, FreeBSD doesn't have a "seq" command. 2011-02-09 14:03:16 +00:00
Eelco Dolstra 3087b3f751 * Obsolete. 2011-02-09 12:48:54 +00:00
Eelco Dolstra eb94581d39 * Remove obsolete directory. 2011-02-09 12:43:44 +00:00
Eelco Dolstra 7bba67c401 * Remove obsolete file. 2011-02-09 12:42:15 +00:00
Eelco Dolstra d0eda1f3e9 * Merged the SQLite branch. 2011-02-09 12:41:54 +00:00
Eelco Dolstra 543988572e * Sync with the trunk. 2011-02-09 12:25:53 +00:00
Eelco Dolstra c0340eec5a 2011-02-08 12:30:28 +00:00
Eelco Dolstra 0304fda3cf * Propagate the CC setting. 2011-02-05 16:40:15 +00:00
Eelco Dolstra aeae0beba4 * Clang compatibility fix. Clang actually checks template definitions 
when they are defined
 2011-02-05 16:29:10 +00:00
Ludovic Courtès 3854fc9b42 Remove useless <config.h> inclusion from public header. 2011-01-14 13:55:58 +00:00
Eelco Dolstra 9db190eb31 * builtins.substring: if "start" is beyond the end of the string, 
return the empty string.
 2011-01-14 12:47:10 +00:00
Eelco Dolstra d6c8b995c5 * In Hydra manifests the Size field is missing, so don't rely on it. 
This caused a lot of "Use of uninitialized value" warnings from
  Perl.
 2010-12-22 10:32:32 +00:00
Eelco Dolstra c931a7aec5 * Do a short sleep after SQLITE_BUSY. 2010-12-17 17:23:15 +00:00
Eelco Dolstra b1eb252172 * Propagate the "100" exit status for failed builds through the Nix 
daemon.
 2010-12-17 11:28:26 +00:00
Eelco Dolstra eac93d6efe * Use the right `make'. 2010-12-17 09:28:51 +00:00
Eelco Dolstra a0be433fec * Disable X11 forwarding, it's not needed. 2010-12-15 14:25:54 +00:00
Eelco Dolstra f1a6b97639 * nix-copy-closure: make sure that the shell doesn't do globbing of 
`+' and `?' in filenames.  This is very slow if /nix/store is very
  large.  (This is a quick hack - a cleaner solution would be to
  bypass the shell entirely.)
 2010-12-15 08:39:37 +00:00
Eelco Dolstra 3dd02580e3 * I forgot to catch SQLiteBusy in registerValidPaths(). So 
registerValidPaths() now handles busy errors and registerValidPath()
  is simply a wrapper around it.
 2010-12-14 13:25:20 +00:00