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Author SHA1 Message Date
Eelco Dolstra 81e7c40264 Optimize primop calls 
We now parse function applications as a vector of arguments rather
than as a chain of binary applications, e.g. 'substring 1 2 "foo"' is
parsed as

  ExprCall { .fun = <substring>, .args = [ <1>, <2>, <"foo"> ] }

rather than

  ExprApp (ExprApp (ExprApp <substring> <1>) <2>) <"foo">

This allows primops to be called immediately (if enough arguments are
supplied) without having to allocate intermediate tPrimOpApp values.

On

  $ nix-instantiate --dry-run '<nixpkgs/nixos/release-combined.nix>' -A nixos.tests.simple.x86_64-linux

this gives a substantial performance improvement:

  user CPU time:      median =      0.9209  mean =      0.9218  stddev =      0.0073  min =      0.9086  max =      0.9340  [rejected, p=0.00000, Δ=-0.21433±0.00677]
  elapsed time:       median =      1.0585  mean =      1.0584  stddev =      0.0024  min =      1.0523  max =      1.0623  [rejected, p=0.00000, Δ=-0.20594±0.00236]

because it reduces the number of tPrimOpApp allocations from 551990 to
42534 (i.e. only small minority of primop calls are partially
applied) which in turn reduces time spent in the garbage collector.
 2021-11-04 15:03:40 +01:00
Eelco Dolstra ab35cbd675 StaticEnv: Use std::vector instead of std::map 2021-11-04 15:03:34 +01:00
Eelco Dolstra c4bd6a15c2 Add helper function to check whether a function arg is 'X' or '_X' 
Also allow '_'.
 2021-11-04 14:52:35 +01:00
Jan Tojnar e5d4c2235f
docs: Correct fallback user config path 
This is in line with XDG Base Directory Specification, where ~/.config is supposed to be used when XDG_CONFIG_HOME is unset.

It also better matches the reality, where ~/.config/nix.conf does not seem to be used.
 2021-11-04 11:41:29 +01:00
Eelco Dolstra c5fd0b46ae
Merge pull request #5486 from mohe2015/bugfixes2 
Fix leaking pthread_attr_t
 2021-11-04 10:44:33 +01:00
Eelco Dolstra 3f447bcd5f
Merge pull request #5488 from JanCVanB/patch-1 
Reword "we"s to "I"s for consistency
 2021-11-04 10:41:35 +01:00
Jan Van Bruggen 7d56174c1e
Reword "we"s to "I"s for consistency 
This script uses multiple forms of the first-person POV:
1. "We" to refer to the Nix team (1e7c796e66/scripts/install-multi-user.sh (L72))
2. "We" to refer to the combination of the installation script & the user/executor (1e7c796e66/scripts/install-multi-user.sh (L710))
3. "We" to refer to the installation script alone (1e7c796e66/scripts/install-multi-user.sh (L602))
4. "I" to refer to the installation script alone (1e7c796e66/scripts/install-multi-user.sh (L200))

Since I prefer POV 4 to POV 3, this changes all instances of POV 3 to POV 4.
 2021-11-03 18:42:32 -06:00
Moritz Hedtke 6f291ed718
Fix leaking pthread_attr_t 
pthread_attr_destroy was not called.
 2021-11-03 22:54:16 +01:00
Eelco Dolstra 1e7c796e66
Merge pull request #5475 from doronbehar/SQLiteWAL-vfs 
libstore: Use unix-dotfile vfs if useSQLiteWAL is false
 2021-11-03 21:20:27 +01:00
Eelco Dolstra ae14113969
Merge pull request #5477 from league/check-overlay-args 
In checkOverlay, accept underscored names for final/prev args.
 2021-11-03 21:18:58 +01:00
Domen Kožar f1c9ee0364
Merge pull request #5480 from rex4539/typos 
Fix typos
 2021-11-03 11:07:19 -06:00
Dimitris Apostolou c34cc5e488
Fix typos 2021-11-03 18:11:20 +02:00
Christopher League 3f070cc417 In checkOverlay, accept underscored names for final/prev args. 
Resolves #4416.
 2021-11-03 09:25:27 -04:00
Doron Behar 14fcf17277 libstore: Use unix-dotfile vfs if useSQLiteWAL is false 2021-11-03 14:19:11 +02:00
Eelco Dolstra 133905b309
Merge pull request #5471 from simon04/patch-1 
command-ref/nix-shell: fix --pure, --keep
 2021-11-03 11:15:13 +01:00
Simon Legner 1968760f4a
command-ref/nix-shell: fix --pure, --keep 2021-11-02 22:00:08 +01:00
Eelco Dolstra 886ad0055f
Merge pull request #5459 from andersk/echo-e 
installer: Do not use echo -e in #!/bin/sh script
 2021-11-02 20:00:43 +01:00
Anders Kaseorg 447350fe0e installer: Do not use echo -e in #!/bin/sh script 
ShellCheck correctly warns:

In scripts/install-nix-from-closure.sh line 218:
                echo -e "\nif [ -e $p ]; then . $p; fi # added by Nix installer" >> "$fn"
                     ^-- SC3037: In POSIX sh, echo flags are undefined.

In scripts/install-nix-from-closure.sh line 229:
                echo -e "\nif [ -e $p ]; then . $p; fi # added by Nix installer" >> "$fn"
                     ^-- SC3037: In POSIX sh, echo flags are undefined.

Indeed, this actually breaks on Ubuntu where /bin/sh is dash.

Fixes #5458.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
 2021-11-02 10:27:27 -07:00
Eelco Dolstra 647baaa151
Merge pull request #5462 from edolstra/remove-source-tarball 
Remove references to building from the source tarball
 2021-11-02 16:22:45 +01:00
Eelco Dolstra b61b307bad Remove references to building from the source tarball 2021-11-02 15:29:47 +01:00
Domen Kožar b8532c9ff1 install-nix-actionv@v14.1 2021-11-02 08:24:17 -06:00
Eelco Dolstra 37b5460ebd
Update release script 2021-11-02 11:53:25 +01:00
Eelco Dolstra 6a93e186f4 Fix 2.4 migration examples 2021-11-01 22:44:07 +01:00
Eelco Dolstra 888771b4b2
Merge pull request #5448 from edolstra/timeout 
Apply a 60-minute timeout to the 'tests' workflow
 2021-10-29 15:38:30 +02:00
Eelco Dolstra 19148f1940 Apply a 60-minute timeout to the 'tests' workflow 2021-10-29 14:48:36 +02:00
Eelco Dolstra e6795c4350 Style 2021-10-29 14:45:13 +02:00
Eelco Dolstra 6e30d9b69f Merge branch 'master' of https://github.com/alekswn/nix 2021-10-29 14:42:26 +02:00
Eelco Dolstra 0d00dd6262
Merge pull request #5149 from edolstra/non-blocking-gc 
Non-blocking garbage collector
 2021-10-28 23:55:16 +02:00
Eelco Dolstra 33d04e8a8d Use nix::connect() to connect to the garbage collector 2021-10-28 22:51:11 +02:00
Eelco Dolstra 22c35ea5b8 Remove unused variable 2021-10-28 22:51:11 +02:00
Eelco Dolstra a7d4f3411e Merge remote-tracking branch 'origin/master' into non-blocking-gc 2021-10-28 14:56:55 +02:00
Eelco Dolstra bc4b7521f4 Rename rl-2.5.md to rl-next.md 
Having a generically named file for release notes for the next release
makes things easier for PRs.
 2021-10-28 14:36:47 +02:00
Shay Bergmann a50c027ece
toJSON: improve pos accuracy, add trace 2021-10-27 19:48:48 +00:00
Shay Bergmann 465a167c43
nix-instantiate: pass pos in the --eval --json code path 2021-10-27 19:01:32 +00:00
Eelco Dolstra 5a160171d0 Remove redundant 'warning:' 2021-10-27 18:14:12 +02:00
Eelco Dolstra 9c6ac9eb0e 2.4 release notes: Add some migration notes 2021-10-27 17:33:32 +02:00
Eelco Dolstra 9559f74a99
Merge pull request #5440 from edolstra/build-remote 
Fix preferLocalBuild when max-jobs == 0
 2021-10-27 15:27:17 +02:00
Eelco Dolstra 1254e8753c build-remote: Implicitly add the 'builtin' system type to all machines 
This makes 'nix-env -i --max-jobs 0' work with remote builders.
 2021-10-27 14:25:13 +02:00
Eelco Dolstra f2280749b1 If max-jobs == 0, do preferLocalBuild on remote builders 2021-10-27 14:21:31 +02:00
Eelco Dolstra 6e684d1b87 daemon: Accept 'repeat' setting from untrusted users 
Fixes #5352.
 2021-10-27 13:09:13 +02:00
Eelco Dolstra 13a7a24ba5 Style 2021-10-27 13:02:37 +02:00
Shay Bergmann 769de259f0
toJSON: pass pos in case of a list as well 2021-10-26 14:43:15 +00:00
Timothy 8919b81dad Support building flakes from a Git repo url with submodules query parameter 2021-10-26 20:02:37 +07:00
Eelco Dolstra 5667822edc
Merge pull request #5421 from bew/fix-devshell-build-on-non-nixos 
Fix devShell build on non-NixOS with a different boost version
 2021-10-26 14:45:30 +02:00
Eelco Dolstra 0d9e050ba7 parseExperimentalFeature(): Initialize atomically 2021-10-26 14:29:48 +02:00
Eelco Dolstra 9ce84c64c5 Tweak fetchTree docs 2021-10-26 14:21:24 +02:00
Eelco Dolstra 3155862bae Merge remote-tracking branch 'origin/overhaul-xp-features' 2021-10-26 14:08:27 +02:00
regnat af99941279 Make experimental-features a proper type 
Rather than having them plain strings scattered through the whole
codebase, create an enum containing all the known experimental features.

This means that
- Nix can now `warn` when an unkwown experimental feature is passed
  (making it much nicer to spot typos and spot deprecated features)
- It’s now easy to remove a feature altogether (once the feature isn’t
  experimental anymore or is dropped) by just removing the field for the
  enum and letting the compiler point us to all the now invalid usages
  of it.
 2021-10-26 07:02:31 +02:00
Shay Bergmann ba81e871b2
toJSON: report error position for fancier output 
Given flake:

```nix
{ description = "nix json error provenance";
  inputs = {};
  outputs = { self }: {
    jsonFunction = _: "function";
    json = builtins.toJSON (_: "function");
  };
}

```
- Before:

```console
❯ nix eval --json .#jsonFunction
error: cannot convert a function to JSON
```

- After:

```console
❯ nix eval --json .#jsonFunction
error: cannot convert a function to JSON

       at /nix/store/b7imf1c2j4jnkg3ys7fsfbj02s5j0i4f-source/testflake/flake.nix:4:5:

            3|   outputs = { self }: {
            4|     jsonFunction = _: "function";
             |     ^
            5|     json = builtins.toJSON (_: "function");
```
 2021-10-25 21:17:52 +00:00
Alexander Bantyev b9234142f5
addToStore, addToStoreFromDump: add references argument 
Allow to pass a set of references to be added as info to the added paths.
 2021-10-23 21:30:51 +03:00