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Author SHA1 Message Date
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
Linus Heckemann 78ac3eb4eb Fix #1762 
nix-store --export, nix-store --dump, and nix dump-path would previously
fail silently if writing the data out failed, because
 a) FdSink::write ignored exceptions, and
 b) the commands relied on FdSink's destructor, which ignores
    exceptions, to flush the data out.

This could cause rather opaque issues with installing nixos, because
nix-store --export would happily proceed even if it couldn't write its
data out (e.g. if nix-store --import on the other side of the pipe
failed).

This commit adds tests that expose these issues in the nix-store
commands, and fixes them for all three.
 2018-02-13 14:26:19 +00:00
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
Eelco Dolstra 35fd31770c
toBuildables -> build 2018-02-12 17:06:06 +01:00
Will Dietz c6209030c4 compression: make parallel sink separate class 2018-02-11 13:50:28 -06:00
Will Dietz a0bdc96726 compression: print warning if parallel requested but not supported 2018-02-11 13:03:47 -06:00
Frederik Rietdijk 60eca58533 Nix stats: flatten statistics 
Flattens the list of statistics as suggested in
https://github.com/NixOS/ofborg/issues/67. This makes it easier to work
with.
 2018-02-11 14:37:50 +01:00
Will Dietz 5a082ad15a configure.ac: check if lzma has MT support, fix deb build/etc. 2018-02-09 21:02:25 -06:00
Eelco Dolstra 960e9c560e
nix: Ensure that the user sees errors from substituters 2018-02-09 15:06:47 +01:00
Eelco Dolstra aa02cdc33c
getDefaultSubstituters(): Skip broken substituters 
Fixes #1340.
 2018-02-09 15:06:47 +01:00
Eelco Dolstra 3d2d207aad
Merge pull request #1848 from AmineChikhaoui/parallel-xz 
support multi threaded xz encoder
 2018-02-09 15:03:25 +01:00
Shea Levy 081f14a169
Allow using RegisterPrimop to define constants. 
This enables plugins to add new constants, as well as new primops.
 2018-02-08 14:35:50 -05:00
Shea Levy 88cd2d41ac
Add plugins to make Nix more extensible. 
All plugins in plugin-files will be dlopened, allowing them to
statically construct instances of the various Register* types Nix
supports.
 2018-02-08 12:44:37 -05:00
Eelco Dolstra ad97a21834
nix-env: Fix parsing of --system 
https://hydra.nixos.org/build/68827814
 2018-02-08 15:25:03 +01:00