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134 commits

Author SHA1 Message Date
Eelco Dolstra 6c75cf69c3 Cleanup: Remove singleton() 2016-05-04 16:16:53 +02:00
Eelco Dolstra d8bf0d4859 Support Git repos in the Nix path
E.g.

  $ nix-build -I nixpkgs=git://github.com/NixOS/nixpkgs '<nixpkgs>' -A hello

This is not extremely useful yet because you can't specify a
branch/revision.
2016-04-29 21:07:47 +02:00
Eelco Dolstra 41633f9f73 Improved logging abstraction
This also gets rid of --log-type, since the nested log type isn't
useful in a multi-threaded situation, and nobody cares about the
"pretty" log type.
2016-04-25 19:18:45 +02:00
Eelco Dolstra 451ebf24ce Cache path info lookups in SQLite
This re-implements the binary cache database in C++, allowing it to be
used by other Store backends, in particular the S3 backend.
2016-04-20 14:12:38 +02:00
Eelco Dolstra ab3ce1cc13 Improve SIGINT handling in multi-threaded programs
The flag remembering whether an Interrupted exception was thrown is
now thread-local. Thus, all threads will (eventually) throw
Interrupted. Previously, one thread would throw Interrupted, and then
the other threads wouldn't see that they were supposed to quit.
2016-03-29 16:37:16 +02:00
Eelco Dolstra 784ee35c80 Add "nix verify-paths" command
Unlike "nix-store --verify-path", this command verifies signatures in
addition to store path contents, is multi-threaded (especially useful
when verifying binary caches), and has a progress indicator.

Example use:

$ nix verify-paths --store https://cache.nixos.org -r $(type -p thunderbird)
...
[17/132 checked] checking ‘/nix/store/rawakphadqrqxr6zri2rmnxh03gqkrl3-autogen-5.18.6’
2016-03-29 16:37:16 +02:00
Eelco Dolstra 152b1d6bf9 deletePath(): Succeed if path doesn't exist
Also makes it robust against concurrent deletions.
2016-02-24 17:44:55 +01:00
Eelco Dolstra b3e8d72770 Merge pull request #762 from ctheune/ctheune-floats
Implement floats
2016-02-12 12:49:59 +01:00
Eelco Dolstra c10c61449f Eliminate the "store" global variable
Also, move a few free-standing functions into StoreAPI and Derivation.

Also, introduce a non-nullable smart pointer, ref<T>, which is just a
wrapper around std::shared_ptr ensuring that the pointer is never
null. (For reference-counted values, this is better than passing a
"T&", because the latter doesn't maintain the refcount. Usually, the
caller will have a shared_ptr keeping the value alive, but that's not
always the case, e.g., when passing a reference to a std::thread via
std::bind.)
2016-02-04 14:28:26 +01:00
Eelco Dolstra 5b8c09c124 string2Int: Barf on negative numbers for unsigned types 2016-01-20 16:45:05 +01:00
Eelco Dolstra 6298afc047 Merge pull request #685 from vizanto/master
POSIX compliant directory access (fixes build on Solaris)
2016-01-05 13:49:55 +01:00
Christian Theune 14ebde5289 First hit at providing support for floats in the language. 2016-01-05 00:40:40 +01:00
Shea Levy 58d2fac91d AutoDelete: Add default constructor with deletion disabled 2015-11-16 05:53:10 -05:00
Eelco Dolstra 7759a56bed Fix namespace issue 2015-11-09 21:28:25 +01:00
Danny Wilson cdb346c65e Fix build on Solaris
d_type is not part of the POSIX spec unfortunately.
2015-11-07 04:51:33 +01:00
Eelco Dolstra 5c28943e8f int2String() -> std::to_string() 2015-10-29 13:26:55 +01:00
Eelco Dolstra bec3c31608 nix-prefetch-url: Rewrite in C++ 2015-10-01 16:47:43 +02:00
Eelco Dolstra db55940d9e Support systemd log severity prefixes
This is mostly useful for hydra-queue-runner.
2015-07-20 01:39:48 +02:00
Eelco Dolstra 6bd2c7bb38 OCD: foreach -> C++11 ranged for 2015-07-17 20:13:56 +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 7c4501886d Use std::vector::data() 2015-06-09 10:54:46 +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 a596c525ad Add base64 encoder/decoder 2015-02-10 11:33:33 +01:00
Eelco Dolstra e0def5bc4b Use libsodium instead of OpenSSL for binary cache signing
Sodium's Ed25519 signatures are much shorter than OpenSSL's RSA
signatures. Public keys are also much shorter, so they're now
specified directly in the nix.conf option ‘binary-cache-public-keys’.

The new command ‘nix-store --generate-binary-cache-key’ generates and
prints a public and secret key.
2015-02-04 17:10:31 +01:00
Eelco Dolstra f52b6c944e Fix some memory leaks 2014-12-12 15:01:16 +01:00
Eelco Dolstra 28f22b4653 Ensure we're writing to stderr in the builder
http://hydra.nixos.org/build/17862041
2014-12-12 14:35:44 +01:00
Eelco Dolstra 0e8fc118b3 Use vfork 2014-12-10 17:25:39 +01:00
Eelco Dolstra a3e5c99d66 nix-daemon: Call exit(), not _exit()
This was preventing destructors from running. In particular, it was
preventing the deletion of the temproot file for each worker
process. It may also have been responsible for the excessive WAL
growth on Hydra (due to the SQLite database not being closed
properly).

Apparently broken by accident in
8e9140cfde.
2014-11-19 17:09:27 +01:00
Eelco Dolstra 3f8576a6ab Remove some duplicate code 2014-10-03 22:37:51 +02:00
Eelco Dolstra 809ca33806 Use PR_SET_PDEATHSIG to ensure child cleanup 2014-08-21 15:31:43 +02:00
Eelco Dolstra 373fad75e1 Add some color 2014-08-20 16:50:17 +02:00
Eelco Dolstra 4d73e2e893 Get rid of "killing <pid>" message for unused build hooks 2014-08-04 17:27:45 +02:00
Eelco Dolstra eea0401d7a Eliminate redundant copy 2014-08-01 17:30:51 +02:00
Eelco Dolstra daf3f2c11f Make readDirectory() return inode / file type 2014-08-01 17:14:28 +02:00
Eelco Dolstra 50dc1f5b71 Restore default SIGPIPE handler before invoking ‘man’
Fixes NixOS/nixpkgs#3410.
2014-07-31 10:31:17 +02:00
Eelco Dolstra 8e9140cfde Refactoring: Move all fork handling into a higher-order function
C++11 lambdas ftw.
2014-07-10 16:58:09 +02:00
Eelco Dolstra 7911e4c27a Remove maybeVfork 2014-07-10 13:35:44 +02:00
Eelco Dolstra 9f9080e2c0 nix-store -l: Fetch build logs from the Internet
If a build log is not available locally, then ‘nix-store -l’ will now
try to download it from the servers listed in the ‘log-servers’ option
in nix.conf. For instance, if you have:

  log-servers = http://hydra.nixos.org/log

then it will try to get logs from http://hydra.nixos.org/log/<base
name of the store path>. So you can do things like:

  $ nix-store -l $(which xterm)

and get a log even if xterm wasn't built locally.
2014-05-21 17:19:36 +02:00
Eelco Dolstra dfa2f77d2e If a .drv cannot be parsed, show its path
Otherwise you just get ‘expected string `Derive(['’ which isn't very helpful.
2014-04-08 19:24:29 +02:00
Eelco Dolstra 49009573bc Don't interpret strings as format strings
Ludo reported this error:

  unexpected Nix daemon error: boost::too_few_args: format-string refered to more arguments than were passed

coming from this line:

  printMsg(lvlError, run.program + ": " + string(err, 0, p));

The problem here is that the string ends up implicitly converted to a
Boost format() object, so % characters are treated specially.  I
always assumed (wrongly) that strings are converted to a format object
that outputs the string as-is.

Since this assumption appears in several places that may be hard to
grep for, I've added some C++ type hackery to ensures that the right
thing happens.  So you don't have to worry about % in statements like

  printMsg(lvlError, "foo: " + s);

or

  throw Error("foo: " + s);
2014-03-28 16:59:26 +01:00
Eelco Dolstra 3fd01b171a Set up a minimal /dev in chroots
Not bind-mounting the /dev from the host also solves the problem with
/dev/shm being a symlink to something not in the chroot.
2014-02-27 23:17:53 +01:00
Eelco Dolstra 432328cc55 Remove another unused function 2014-02-26 18:49:36 +01:00
Eelco Dolstra 509993e598 Remove unused function 2014-02-26 18:48:32 +01:00
Eelco Dolstra a478e8a7bb Remove nix-setuid-helper
AFAIK, nobody uses it, it's not maintained, and it has no tests.
2013-11-14 11:57:37 +01:00
Eelco Dolstra d308aeaf53 Store Nix integers as longs
So on 64-bit systems, integers are now 64-bit.

Fixes #158.
2013-08-19 12:35:03 +02:00
Eelco Dolstra aeb810b01e Garbage collector: Don't follow symlinks arbitrarily
Only indirect roots (symlinks to symlinks to the Nix store) are now
supported.
2013-07-12 14:03:36 +02:00
Eelco Dolstra 3007f57377 Remove tabs 2013-01-03 13:00:46 +01:00
Eelco Dolstra 46a369ad95 Make "nix-build -A <derivation>.<output>" do the right thing
For example, given a derivation with outputs "out", "man" and "bin":

  $ nix-build -A pkg

produces ./result pointing to the "out" output;

  $ nix-build -A pkg.man

produces ./result-man pointing to the "man" output;

  $ nix-build -A pkg.all

produces ./result, ./result-man and ./result-bin;

  $ nix-build -A pkg.all -A pkg2

produces ./result, ./result-man, ./result-bin and ./result-2.
2012-11-26 15:39:10 +01:00
Eelco Dolstra 8541d27fce Don't use std::cerr in a few places
Slightly scared of using std::cerr in a vforked process...
2012-11-15 15:01:02 +01:00
Eelco Dolstra ea89df2b76 Use vfork() instead of fork() if available
Hopefully this reduces the chance of hitting ‘unable to fork: Cannot
allocate memory’ errors.  vfork() is used for everything except
starting builders.
2012-11-09 18:00:33 +01:00