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Author SHA1 Message Date
Eelco Dolstra ddc58e7896
Enable sandbox builds on Linux by default 
The overhead of sandbox builds is a problem on NixOS (since building a
NixOS configuration involves a lot of small derivations) but not for
typical non-NixOS use cases. So outside of NixOS we can enable it.

Issue #179.
 2018-02-22 12:27:25 +01:00
Eelco Dolstra 6964131cd7
Merge branch 'fix/sandbox-shell-features' of https://github.com/dtzWill/nix 2018-02-22 12:20:13 +01:00
Eelco Dolstra de4c03d201
Merge branch 'fix/dry-run-partially' of https://github.com/dtzWill/nix 2018-02-22 12:18:20 +01:00
Eelco Dolstra 88c90d5e6d
Manual: Put configuration options in sorted order 2018-02-21 18:08:47 +01:00
Eelco Dolstra 0d54671b7b
Manual: Update chapter on remote builds 
Alos add a command "nix ping-store" to make it easier to see if Nix
can connect to a remote builder (e.g. 'nix ping-store --store
ssh://mac').
 2018-02-21 16:24:26 +01:00
Eelco Dolstra e2d71bd186
Revert "libexpr: Fix prim_replaceStrings() to work on an empty source string" 
This reverts commit 4ea9707591.

It causes an infinite loop in Nixpkgs evaluation,
e.g. "nix-instantiate -A hello" hung.

PR #1886.
 2018-02-21 15:35:28 +01:00
Shea Levy a6c497f526
Merge branch 'nix-copy' of git://github.com/Mic92/nix-1 2018-02-20 21:05:17 -05:00
Jörg Thalheim fa7fd76c5e nix-copy: fix examples 
maybe a left-over from nix-store -r ?
 2018-02-21 01:13:46 +00:00
Shea Levy 7c377dc5cc
Merge remote-tracking branch 'dezgeg/afl-fixes' 2018-02-20 16:32:48 -05:00
Eelco Dolstra 4e44025ac5
Release notes: Add contributors 2018-02-20 15:20:14 +01:00
Eelco Dolstra cea4fb3a31
Fix evaluation of binaryTarball.aarch64-linux 2018-02-20 12:33:32 +01:00
Tuomas Tynkkynen 546f98dace libutil: Fix invalid assert on decoding base64 hashes 
The assertion is broken because there is no one-to-one mapping from
length of a base64 string to the length of the output.

E.g.

"1q69lz7Empb06nzfkj651413n9icx0njmyr3xzq1j9q=" results in a 32-byte output.
"1q69lz7Empb06nzfkj651413n9icx0njmyr3xzq1j9qy" results in a 33-byte output.

To reproduce, evaluate:

builtins.derivationStrict {
    name = "0";
    builder = "0";
    system = "0";
    outputHashAlgo = "sha256";
    outputHash = "1q69lz7Empb06nzfkj651413n9icx0njmyr3xzq1j9qy";
}

Found by afl-fuzz.
 2018-02-19 23:20:26 +02:00
Tuomas Tynkkynen 4ea9707591 libexpr: Fix prim_replaceStrings() to work on an empty source string 
Otherwise, running e.g.

nix-instantiate --eval -E --strict 'builtins.replaceStrings [""] ["X"] "abc"'

would just hang in an infinite loop.

Found by afl-fuzz.
 2018-02-19 23:20:26 +02:00
Tuomas Tynkkynen 1d0e42879f libutil: Fix infinite loop in filterANSIEscapes on '\r' 
E.g. nix-instantiate --eval -E 'abort "\r"' hangs.

Found by afl-fuzz.
 2018-02-19 23:20:26 +02:00
Tuomas Tynkkynen 056d28a601 libexpr: Don't create lots of temporary strings in Bindings::lexicographicOrder 
Avoids ~180,000 string temporaries created when evaluating a headless
NixOS system.
 2018-02-19 22:47:25 +02:00
Eelco Dolstra d4e93532e2
Fix incorrect (and unnecessary) format string 
https://hydra.nixos.org/eval/1434547#tabs-now-fail
 2018-02-19 20:46:39 +01:00
Eelco Dolstra d7fdfe322b
Remove macOS multi-user instructions 
This is already handled by the installer.
 2018-02-19 20:40:25 +01:00
Eelco Dolstra 70eb64147e
Update release notes 
Also add some examples to nix --help.
 2018-02-19 20:38:53 +01:00
Will Dietz a6c0b773b7 configure.ac: define HAVE_SECCOMP macro when using seccomp, fix build/tests 
Happily the failing tests should prevent anyone from using such a Nix
in situations where they expect sandboxing to be on,
which would otherwise be a risk.
 2018-02-19 12:13:51 -06:00
Eelco Dolstra 623fcb071e
Merge pull request #1882 from shlevy/no-seccomp-no-filterSyscalls 
Don't silently succeed seccomp setup when !HAVE_SECCOMP.
 2018-02-19 17:39:46 +01:00
Shea Levy e1eb63a586
Merge branch 'perf-fixes' of git://github.com/dezgeg/nix 2018-02-19 10:11:52 -05:00
Shea Levy e59a8a63e1
Don't silently succeed seccomp setup when !HAVE_SECCOMP. 
Running Nix with build users without seccomp on Linux is dangerous,
and administrators should very explicitly opt-in to it.
 2018-02-19 09:56:24 -05:00
Eelco Dolstra ed73d40c3b
Config::handleUnknownSettings(): Remove unused 'fatal' argument 2018-02-19 14:00:34 +01:00
Eelco Dolstra 75a1d96cfd
Merge branch 'register-settings' of https://github.com/shlevy/nix 2018-02-19 13:58:34 +01:00
Eelco Dolstra 7fe5910bf8
Merge pull request #1857 from dtzWill/fix/check-for-lzma-mt 
configure.ac: check if lzma has MT support, fix deb build/etc.
 2018-02-19 13:06:14 +01:00
Shea Levy 690ac7c90b
configure: Add a flag to disable seccomp. 
This is needed for new arches where libseccomp support doesn't exist
yet.

Fixes #1878.
 2018-02-18 02:35:01 -05:00
Tuomas Tynkkynen 37264ed0ad libexpr: Avoid an unnecessary string copy in prim_derivationStrict 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen 66eeff3345 libexpr: Remove unnecessary drvName assignment in prim_derivationStrict 
drvName is already assigned to the same value right at the start of the
function.
 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen 7e0360504d libexpr: Optimize prim_derivationStrict by using more symbol comparisons 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen 0845cdf944 libexpr: Rely on Boehm returning zeroed memory in EvalState::allocEnv() 
Boehm guarantees that memory returned by GC_malloc() is zeroed, so take
advantage of that.
 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen b8bed7da14 libexpr: Optimize prim_attrNames a bit 
Instead of having lexicographicOrder() create a temporary sorted array
of Attr*:s and copying attr names from that, copy the attr names
first and then sort that.
 2018-02-17 16:54:21 +02:00
Tuomas Tynkkynen f67a7007a2 libexpr: Pre-reserve space in string in unescapeStr() 
Avoids some malloc() traffic.
 2018-02-16 04:39:43 +02:00
Eelco Dolstra 3a5a241b32
Merge pull request #1873 from matthewbauer/fix-manpath 
Set MANPATH in case man path isn’t set correctly.
 2018-02-15 17:37:21 +01:00
Matthew Bauer 8f186722a9 Set backup MANPATH in case man path isn’t set correctly. 
Previously, this would fail at startup for non-NixOS installs:

nix-env --help

The fix for this is to just use "nixManDir" as the value for MANPATH
when spawning "man".

To test this, I’m using the following:

$ nix-build release.nix -A build
$ MANPATH= ./result/bin/nix-env --help

Fixes #1627
 2018-02-15 10:20:02 -06:00
Eelco Dolstra d26b71fda6
Merge pull request #1872 from shlevy/macOS-poll-fix 
monitor-fds: Fix on macOS.
 2018-02-15 11:43:56 +01:00
Shea Levy ac973a6d3c
monitor-fds: Fix on macOS. 
Fixes #1871.
 2018-02-14 18:26:37 -05:00
Eelco Dolstra 96d48318cb
Merge pull request #1870 from shlevy/split-version 
Add splitVersion primop.
 2018-02-14 16:39:53 +01:00
Shea Levy b095c06139
Add splitVersion primop. 
Fixes #1868.
 2018-02-14 09:55:43 -05:00
Shea Levy de4934ab3b
Allow plugins to define new settings. 2018-02-13 14:43:32 -05:00
Shea Levy 3fe9767dd3
Fix plugin tests on darwin 2018-02-13 12:49:14 -05:00
Eelco Dolstra 52c777a793
Merge pull request #1863 from shlevy/conf-includes 
Allow includes from nix.conf
 2018-02-13 17:33:07 +01:00
Eelco Dolstra 7253113fd2
Merge pull request #1862 from shlevy/plugin-dirs 
Enable specifying directories in plugin-files.
 2018-02-13 17:32:32 +01:00
Shea Levy b8739f2fb3
Enable specifying directories in plugin-files. 2018-02-13 11:25:01 -05:00
Shea Levy 6eb1040e90
Allow includes from nix.conf 2018-02-13 08:16:32 -05:00
Eelco Dolstra f471aacff2
Merge pull request #1775 from LnL7/darwin-build-users 
installer: create 'enough' build users
 2018-02-13 12:31:53 +01:00
Eelco Dolstra 7828dca9e8
Merge branch 'register-constant' of https://github.com/shlevy/nix 2018-02-13 12:24:48 +01:00
Eelco Dolstra 1c10a74c73
Merge branch 'plugins' of https://github.com/shlevy/nix 2018-02-13 12:15:27 +01:00
Eelco Dolstra c5cc57e962
Merge pull request #1859 from FRidh/flatten 
Nix stats: flatten statistics
 2018-02-13 11:11:12 +01:00
Eelco Dolstra 9bcb4d2dd9 Fix hang in build-remote 2018-02-12 22:48:55 +01:00
Eelco Dolstra 4f09ce7940
Fix 'deadlock: trying to re-acquire self-held lock' 
This was caused by derivations with 'allowSubstitutes = false'. Such
derivations will be built locally. However, if there is another
SubstitionGoal that has the output of the first derivation in its
closure, then the path will be simultaneously built and substituted.

There was a check to catch this situation (via pathIsLockedByMe()),
but it no longer worked reliably because substitutions are now done in
another thread. (Thus the comment 'It can't happen between here and
the lockPaths() call below because we're not allowing multi-threading'
was no longer valid.)

The fix is to handle the path already being locked in both
SubstitutionGoal and DerivationGoal.
 2018-02-12 17:06:06 +01:00