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Author SHA1 Message Date
Eelco Dolstra
19eddecc0f Merge branch 'attr-set-hh' of https://github.com/nbp/nix 
Conflicts:
	src/libexpr/eval.cc
 2015-07-23 22:16:01 +02:00
Eelco Dolstra
b83801f8b3 Optimize small lists 
The value pointers of lists with 1 or 2 elements are now stored in the
list value itself. In particular, this makes the "concatMap (x: if
cond then [(f x)] else [])" idiom cheaper.
 2015-07-23 22:05:09 +02:00
Eelco Dolstra
14be783676 Add primops all and any 
These are used thousands of times during NixOS evaluation, so it's
useful to speed them up.
 2015-07-23 19:23:11 +02:00
Shea Levy
39e27a04b8 Importing derivations: Add name attribute to make a valid drv 2015-07-23 17:04:07 +02:00
Shea Levy
1ed55234d9 Allow derivations-as-srcs in the context of builtins.toFile files 2015-07-23 17:03:47 +02:00
Eelco Dolstra
61af14a921 Add foldl' primop 2015-07-23 17:03:02 +02:00
Eelco Dolstra
0a2bee307b Make <nix/fetchurl.nix> a builtin builder 
This ensures that 1) the derivation doesn't change when Nix changes;
2) the derivation closure doesn't contain Nix and its dependencies; 3)
we don't have to rely on ugly chroot hacks.
 2015-07-20 04:38:46 +02:00
Eelco Dolstra
6bd2c7bb38 OCD: foreach -> C++11 ranged for 2015-07-17 20:13:56 +02:00
Eelco Dolstra
f39979c6d3 Make printValue() interruptible 
Fixes #572.
 2015-07-17 11:33:39 +02:00
Nicolas B. Pierron
db21cfa688 Move attribute set data structures into their own header file. 
This modification moves Attr and Bindings structures into their own header
file which is dedicated to the attribute set representation. The goal of to
isolate pieces of code which are related to the attribute set
representation. Thus future modifications of the attribute set
representation will only have to modify these files, and not every other
file across the evaluator.
 2015-07-14 19:23:17 +02:00
Guillaume Maudoux
467977f203 Fix the parsing of "$"'s in strings. 2015-07-03 14:09:58 +02:00
Guillaume Maudoux
65e4dcd69b Fix the hack that resets the scanner state. 2015-07-03 13:53:36 +02:00
Eelco Dolstra
65f17cd330 Support URLs in $NIX_PATH 
This didn't work (despite claims in the manual), because the colon in
"http://" was parsed as a element separator. So handle "://"
specially.
 2015-06-17 16:20:11 +02:00
Eelco Dolstra
bc51175dc0 Add tarball tests 2015-06-01 16:18:23 +02:00
Eelco Dolstra
da196ec68f Document tarball downloading 2015-06-01 15:14:44 +02:00
Eelco Dolstra
c1323b53e3 Fix fetchurl/fetchTarball 2015-06-01 15:08:09 +02:00
Eelco Dolstra
1c88e100e7 readFile: Check against nul bytes 2015-06-01 15:07:42 +02:00
Eelco Dolstra
920f5fd4dd Fix import-from-derivation in restricted eval mode 
This relaxes restricted mode to allow access to anything in the
store. In the future, it would be better to allow access to only paths
that have been constructed in the current evaluation (so a hard-coded
/nix/store/blabla in a Nix expression would still be
rejected). However, note that reading /nix/store itself is still
rejected, so you can't use this so get access to things you don't know
about.
 2015-05-22 12:18:23 +02:00
Eelco Dolstra
6519f06f39 nix-env/nix-instantiate/nix-build: Support URIs 
For instance, you can install Firefox from a specific Nixpkgs revision
like this:

  $ nix-env -f https://github.com/NixOS/nixpkgs/archive/63def04891a0abc328b1b0b3a78ec02c58f48583.tar.gz -iA firefox

Or build a package from the latest nixpkgs-unstable channel:

  $ nix-build https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz -A hello
 2015-05-06 14:54:31 +02:00
Eelco Dolstra
9451ef3731 Allow URLs in the Nix search path 
E.g. to install "hello" from the latest Nixpkgs:

  $ nix-build '<nixpkgs>' -A hello -I nixpkgs=https://nixos.org/channels/nixpkgs-unstable/nixexprs.tar.xz

Or to install a specific version of NixOS:

  $ nixos-rebuild switch -I nixpkgs=https://github.com/NixOS/nixpkgs/archive/63def04891a0abc328b1b0b3a78ec02c58f48583.tar.gz
 2015-05-05 17:09:42 +02:00
Eelco Dolstra
35d30d67eb Make downloads interruptable 2015-05-05 14:39:48 +02:00
Eelco Dolstra
035aeb9547 Fix using restricted mode with chroots 2015-04-16 18:46:17 +02:00
Eelco Dolstra
4ed2187377 Use cached result if there is a network error 2015-04-09 12:49:13 +02:00
Eelco Dolstra
1fc905ad4c Move curl stuff into a separate file 2015-04-09 12:12:50 +02:00
Eelco Dolstra
c1f04fae35 Implement a TTL on cached fetchurl/fetchTarball results 
This is because we don't want to do HTTP requests on every evaluation,
even though we can prevent a full redownload via the cached ETag. The
default is one hour.
 2015-04-09 11:55:36 +02:00
Eelco Dolstra
60340ce3e2 Implement caching of fetchurl/fetchTarball results 
ETags are used to prevent redownloading unchanged files.
 2015-04-09 11:42:04 +02:00
Eelco Dolstra
000b5a000f Add fetchTarball builtin 
This function downloads and unpacks the given URL at evaluation
time. This is primarily intended to make it easier to deal with Nix
expressions that have external dependencies. For instance, to fetch
Nixpkgs 14.12:

  with import (fetchTarball https://github.com/NixOS/nixpkgs-channels/archive/nixos-14.12.tar.gz) {};

Or to fetch a specific revision:

  with import (fetchTarball https://github.com/NixOS/nixpkgs/archive/2766a4b44ee6eafae03a042801270c7f6b8ed32a.tar.gz) {};

This patch also adds a ‘fetchurl’ builtin that downloads but doesn't
unpack its argument. Not sure if it's useful though.
 2015-03-25 17:29:09 +01:00
Eelco Dolstra
7ea6ecf855 addToStore(): Take explicit name argument 2015-03-25 17:06:12 +01:00
Eelco Dolstra
6f0c6e20e0 Don't rely on __noChroot for corepkgs 
This doesn't work anymore if the "strict" chroot mode is
enabled. Instead, add Nix's store path as a dependency. This ensures
that its closure is present in the chroot.
 2015-03-24 11:15:45 +01:00
Eelco Dolstra
b005e63ccf Disable scanning for interior pointers 
This may remove the "Repeated allocation of very large block"
warnings.
 2015-03-19 20:10:08 +01:00
Eelco Dolstra
726f7f7fc9 Fix Boehm API violation 
We were calling GC_INIT() after doing an allocation (in the baseEnv
construction), which is not allowed.
 2015-03-19 20:02:37 +01:00
Eelco Dolstra
da6b704b19 Check return values from malloc/strdup 2015-03-19 14:11:35 +01:00
Eelco Dolstra
fa47279440 Print some Boehm GC stats 2015-03-18 16:24:54 +01:00
Eelco Dolstra
7a84143910 valueSize(): Take into account list/bindings/env size 2015-03-18 14:41:28 +01:00
Daniel Hahler
e659978ced Fix typos: s/the the/the/ 2015-03-06 16:43:22 +01:00
Eelco Dolstra
17c71334e1 forceValueDeep: Add to error prefix 2015-03-06 15:10:12 +01:00
Eelco Dolstra
5badc8f975 Improve error message 2015-03-06 14:24:08 +01:00
Eelco Dolstra
15d2d3c34e Add restricted evaluation mode 
If ‘--option restrict-eval true’ is given, the evaluator will throw an
exception if an attempt is made to access any file outside of the Nix
search path. This is primarily intended for Hydra, where we don't want
people doing ‘builtins.readFile ~/.ssh/id_dsa’ or stuff like that.
 2015-02-23 15:54:31 +01:00
Eelco Dolstra
c33244d7c1 Merge branch 'tilde-paths' of https://github.com/shlevy/nix 2015-02-19 14:55:06 +01:00
Shea Levy
c4653afbcd tilde paths: The rest of the string has to start with a slash anyway 2015-02-19 08:52:13 -05:00
Shea Levy
e3e38a048e tilde paths: construct the entire path at parse time 2015-02-19 08:51:21 -05:00
Shea Levy
4b7c9f834c tilde paths: get HOME at parse time 2015-02-19 08:49:10 -05:00
Eelco Dolstra
9bedd9b09b Remove obsolete reference to ~ operator 2015-02-19 14:41:22 +01:00
Shea Levy
4646e94610 ExprConcatStrings: canonicalize concatenated paths 2015-02-19 08:39:25 -05:00
Shea Levy
e0953d53de Allow the leading component of a path to be a ~ 2015-02-19 08:05:16 -05:00
Eelco Dolstra
2be7f79fd4 Remove tab 2015-02-05 17:21:30 +01:00
Shea Levy
73bf32ce94 Merge remote-tracking branch 'shlevy/baseNameOf-no-copy' 
baseNameOf: Don't copy paths to the store first
 2015-01-29 03:29:09 -05:00
Eelco Dolstra
c2a8b5c42d Fix assertion failure in nix-env 
$ nix-env -f ~/Dev/nixops/ -iA foo
  nix-env: src/libexpr/eval.hh:57: void nix::Bindings::push_back(const nix::Attr&): Assertion `size_ < capacity' failed.
  Aborted
 2015-01-15 12:15:22 +01:00
Eelco Dolstra
2a3b1df423 Fix builtins.readDir on XFS 
The DT_UNKNOWN fallback code was getting the type of the wrong path,
causing readDir to report "directory" as the type of every file.

Reported by deepfire on IRC.
 2015-01-09 14:56:25 +01:00
Eelco Dolstra
153a943de7 Show position info for failing <...> lookups 2015-01-07 13:43:55 +01:00