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Author SHA1 Message Date
Shea Levy
0d2ebb4373 istringstream_nocopy: Implement in a standards-compliant way 
Fixes #1135.
 2016-11-17 10:10:32 -05:00
Eelco Dolstra
4be4f6de56
S3BinaryCacheStore:: Eliminate a string copy while uploading 
This cuts hydra-queue-runner's peak memory usage by about a third.
 2016-11-16 16:21:30 +01:00
Shea Levy
167d12b02c build-remote: Implement in C++ 2016-11-10 11:09:15 -05:00
Eelco Dolstra
b3ba762dbf Add missing #include 2016-11-07 14:35:47 +01:00
Vladimír Čunát
818aad3ec4
Detect and disallow base32 hash overflow 
Example (before this commit):
$ nix-hash --type sha256 --to-base16 4n0igfxbd3kqvvj2k2xgysrp63l4v2gd110fwkk4apfpm0hvzwh0 \
    | xargs nix-hash --type sha256 --to-base32
0n0igfxbd3kqvvj2k2xgysrp63l4v2gd110fwkk4apfpm0hvzwh0

It's a real-life example:
https://github.com/NixOS/nixpkgs/pull/20208/files#r86695567
 2016-11-06 22:17:37 +01:00
Eelco Dolstra
795d9b8668 Merge branch 'regex' of https://github.com/groxxda/nix 2016-10-19 16:32:24 +02:00
Eelco Dolstra
19c278de89 Fix Darwin build 
Done slightly differently from https://github.com/NixOS/nix/pull/1093.
 2016-10-19 15:21:18 +02:00
Alexander Ried
b05b98df75 replace own regex class with std::regex 2016-10-18 20:22:25 +02:00
Eelco Dolstra
82e2a070e0 Add some functions needed by hydra 2016-10-12 15:49:37 +02:00
Eelco Dolstra
b0f7f9c98f toJSON(): Support some more types 2016-10-06 17:00:52 +02:00
Eelco Dolstra
cd128f4bad Merge pull request #998 from veprbl/rx_chmod_fix 
override rx directory permissions in deletePath()
 2016-10-06 11:08:21 +02:00
Eelco Dolstra
4546be1b3e nix-build, nix-shell: Don't print error message if nix-store/nix-instantiate fails 2016-09-21 16:54:53 +02:00
Eelco Dolstra
c55bf085eb printMsg(lvlError, ...) -> printError(...) etc. 2016-09-21 16:54:53 +02:00
Eelco Dolstra
4036185cb4 Some notational convenience for formatting strings 
We can now write

  throw Error("file '%s' not found", path);

instead of

  throw Error(format("file '%s' not found") % path);

and similarly

  printError("file '%s' not found", path);

instead of

  printMsg(lvlError, format("file '%s' not found") % path);
 2016-09-21 16:54:53 +02:00
Eelco Dolstra
beaefdf706 Tweak 2016-09-20 17:49:31 +02:00
Eelco Dolstra
4de0639105 nix-shell: Fix $PATH handling in the impure case 
We were passing "p=$PATH" rather than "p=$PATH;", resulting in some
invalid shell code.

Also, construct a separate environment for the child rather than
overwriting the parent's.
 2016-09-20 15:41:41 +02:00
Eelco Dolstra
75989bdca7 Make computeFSClosure() single-threaded again 
The fact that queryPathInfo() is synchronous meant that we needed a
thread for every concurrent binary cache lookup, even though they end
up being handled by the same download thread. Requiring hundreds of
threads is not a good idea. So now there is an asynchronous version of
queryPathInfo() that takes a callback function to process the
result. Similarly, enqueueDownload() now takes a callback rather than
returning a future.

Thus, a command like

  nix path-info --store https://cache.nixos.org/ -r /nix/store/slljrzwmpygy1daay14kjszsr9xix063-nixos-16.09beta231.dccf8c5

that returns 4941 paths now takes 1.87s using only 2 threads (the main
thread and the downloader thread). (This is with a prewarmed
CloudFront.)
 2016-09-16 18:54:14 +02:00
Eelco Dolstra
054be50257 printMsg(): Don't check for interrupts 
Having the logger function potentially throw exceptions is
Heisenbuggy.
 2016-09-16 18:52:42 +02:00
Eelco Dolstra
a75d11a7e6 Add a toLower utility function 2016-09-14 14:58:49 +02:00
Eelco Dolstra
e07c0dcf5c Move some .drv parsing functions out of util 2016-09-14 10:54:57 +02:00
Eelco Dolstra
d74c8a3f4e Fix 32-bit build 2016-08-30 17:38:09 +02:00
Eelco Dolstra
c0a7b84748 nix path-info: Add --json flag 
Also, factor out JSON generation from value-to-json.{cc,hh}, and
support producing indented JSON.
 2016-08-29 17:29:24 +02:00
Dmitry Kalinkin
f91748ba73 override rx directory permissions in deletePath() 
This fixes instantiation of pythonPackages.pytest that produces a
directory with less permissions during one of it's tests that leads to
a nix error like:

error: opening directory ‘/tmp/nix-build-python2.7-pytest-2.9.2.drv-0/pytest-of-user/pytest-0/testdir/test_cache_failure_warns0/.cache’: Permission denied
 2016-07-25 18:11:46 -04:00
Eelco Dolstra
d3cd0f5856 Fix assertion failure 2016-07-21 18:39:32 +02:00
Eelco Dolstra
ea8e8df6c7 NarInfo::NarInfo(): Ensure that we get a NAR size/hash 2016-07-21 18:35:12 +02:00
Eelco Dolstra
e682a8e138 Fix assertion failure in ThreadPool::enqueue() 2016-07-21 18:14:16 +02:00
Shea Levy
06068b353d FdSink: Restore move constructor/assignment 2016-07-13 06:27:41 -04:00
Shea Levy
b33e85229d Make Buffered{Source,Sink} move-safe 2016-07-13 06:03:37 -04:00
Shea Levy
cb5e7254b6 Modernize AutoCloseFD 2016-07-11 15:44:44 -04:00
Eelco Dolstra
202683a4fc Use O_CLOEXEC in most places 2016-06-09 16:37:08 +02:00
Eelco Dolstra
a424ab0444 createTempDir(): Don't do a chown on Linux 
It's not needed and can cause problems in a user namespace.
 2016-06-02 18:17:30 +02:00
Eelco Dolstra
812c0dfbe2 Allow setting the state directory as a store parameter 
E.g. "local?store=/tmp/store&state=/tmp/var".
 2016-06-02 16:02:48 +02:00
Dmitry Kalinkin
78b00bbd8a use $(LIBLZMA_LIBS) instead of -llzma 
This is needed in case of non-standard lzma installation path that will
be specified in pkgconfig manifest as extra -L option for LDFLAGS.
 2016-05-31 03:20:11 -04:00
Eelco Dolstra
6c75cf69c3 Cleanup: Remove singleton() 2016-05-04 16:16:53 +02:00
Eelco Dolstra
0d4a10e910 Do compression in a sink 2016-05-04 16:16:53 +02:00
Eelco Dolstra
538a64e8c3 Add a Store::addToStore() variant that accepts a NAR 
As a side effect, this ensures that signatures are propagated when
copying paths between stores.

Also refactored import/export to make use of this.
 2016-05-04 16:15:54 +02:00
Eelco Dolstra
33de2bc080 Fix segfault in xz compression/decompression 2016-05-04 11:50:12 +02:00
Eelco Dolstra
dfebfc835f Add a copyStorePath() utility function 2016-05-04 11:01:48 +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
4dde0b0562 BinaryCacheStore: Support bzip2 compression 2016-04-29 17:43:37 +02:00
Eelco Dolstra
5acb691402 BinaryCacheStore: Support "none" compression method 2016-04-29 17:02:57 +02:00
Eelco Dolstra
aa3bc3d5dc Eliminate the substituter mechanism 
Substitution is now simply a Store -> Store copy operation, most
typically from BinaryCacheStore to LocalStore.
 2016-04-29 13:57:08 +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
c879a20850 Factor out parallel processing of work items that have dependencies 2016-04-22 20:50:06 +02:00
Eelco Dolstra
b2ce6fde5a ThreadPool: Start doing work as soon as work items are enqueued 2016-04-22 18:19:17 +02:00
Eelco Dolstra
58c84cda3b Make compression interruptible 2016-04-22 18:15:02 +02:00
Eelco Dolstra
1b0088ebb2 nix --help: Show short flags 2016-04-21 14:34:46 +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
e0204f8d46 Move path info caching from BinaryCacheStore to Store 
Caching path info is generally useful. For instance, it speeds up "nix
path-info -rS /run/current-system" (i.e. showing the closure sizes of
all paths in the closure of the current system) from 5.6s to 0.15s.

This also eliminates some APIs like Store::queryDeriver() and
Store::queryReferences().
 2016-04-19 18:52:53 +02:00
Eelco Dolstra
d1b0909894 BinaryCacheStore::readFile(): Return a shared_ptr to a string 
This allows readFile() to indicate that a file doesn't exist, and
might eliminate some large string copying.
 2016-04-15 15:39:48 +02:00
Eelco Dolstra
f398949b40 Make LocalStore thread-safe 
Necessary for multi-threaded commands like "nix verify-paths".
 2016-04-08 18:07:13 +02:00
Eelco Dolstra
6e120b76ee Add missing -pthread 
https://hydra.nixos.org/build/33908385
 2016-03-31 12:42:48 +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
02654f782f Fix Darwin build 
http://hydra.nixos.org/build/33279996
 2016-03-15 12:11:27 +01:00
Eelco Dolstra
42bc395b63 Eliminate some large string copying 2016-03-04 16:49:56 +01:00
Eelco Dolstra
6055d84beb Fix reading symlinks 
The st_size field of a symlink doesn't have to be correct, e.g. for
/dev/fd symlinks.
 2016-03-02 15:46:07 +01:00
Eelco Dolstra
89a2fa68ac FdSource: track number of bytes read 2016-03-02 15:46:07 +01:00
Eelco Dolstra
24a8f9e27b Merge branch 'master' into new-cli 2016-02-25 17:48:35 +01:00
Eelco Dolstra
1042c10fd0 Add NAR / Store accessor abstraction 
This is primary to allow hydra-queue-runner to extract files like
"nix-support/hydra-build-products" from NARs in binary caches.
 2016-02-25 17:43:19 +01:00
Eelco Dolstra
c5bc571861 Fix short boolean flags 2016-02-25 13:31:34 +01:00
Eelco Dolstra
f1bdeac986 Merge branch 'master' into new-cli 2016-02-25 11:25:11 +01:00
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
9ccbd55c5b BinaryCacheStore: Implement addToStore() 
So now you can do

  $ NIX_REMOTE=file:///tmp/binary-cache nix-instantiate '<nixpkgs>' -A hello

and lots of other operations.
 2016-02-24 16:52:28 +01:00
Eelco Dolstra
45c83e5f9b Typo 2016-02-24 14:49:28 +01:00
Eelco Dolstra
263187a2ec Move BinaryCacheStore / LocalBinaryCacheStore from Hydra 
So you can now do:

  $ NIX_REMOTE=file:///tmp/binary-cache nix-store -qR /nix/store/...
 2016-02-24 14:48:16 +01:00
Eelco Dolstra
bf2adf72c4 std::condition_variable_any -> std::condition_variable 
The latter is supposed to be more efficient.
 2016-02-24 13:31:46 +01:00
Eelco Dolstra
ccdbf589a4 C++ templates are just a glorified macro facility 2016-02-24 13:07:32 +01:00
Eelco Dolstra
5f862658c3 Remove bad daemon connections from the pool 
This is necessary for long-running processes like hydra-queue-runner:
if a nix-daemon worker is killed, we need to stop reusing that
connection.
 2016-02-24 11:39:56 +01:00
Eelco Dolstra
d5626bf4c1 Pool<T>: Allow a maximum pool size 2016-02-23 16:40:16 +01:00
Eelco Dolstra
e292144d46 RemoteStore: Make thread-safe 
This allows a RemoteStore object to be used safely from multiple
threads concurrently. It will make multiple daemon connections if
necessary.

Note: pool.hh and sync.hh have been copied from the Hydra source tree.
 2016-02-23 15:00:59 +01:00
Eelco Dolstra
c0b7a8a0b5 Move ref<t> into a separate header 2016-02-23 13:53:31 +01:00
Eelco Dolstra
eff5021eaa Add xz compression function 
This is used by the Hydra queue runner, but since it may also be
useful for the C++ rewrite of nix-push, I'm putting it here.
 2016-02-15 21:45:56 +01:00
Eelco Dolstra
bfdacb712c decompressXZ: Ensure that lzma_end() is called 
Otherwise we might leak memory.
 2016-02-15 21:26:28 +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
fd205fb6f8 ref<T>: Add cast operator 2016-02-11 15:32:48 +01:00
Eelco Dolstra
cd2196b089 Start of new Nix command-line interface 2016-02-09 21:28:29 +01:00
Eelco Dolstra
0db9e6cd1a New command line parsing infrastructure 2016-02-09 21:07:48 +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
7899fc959d Define HashType's size to allow it to be forward-declared 2016-01-27 17:46:01 +01:00
Eelco Dolstra
739bab0be7 Trivia 2016-01-27 17:18:31 +01:00
Eelco Dolstra
d45ad8fcf5 Make hashLength32() a method of Hash 2016-01-27 17:18:20 +01:00
Eelco Dolstra
5b8c09c124 string2Int: Barf on negative numbers for unsigned types 2016-01-20 16:45:05 +01:00
Eelco Dolstra
9a4706eb19 Fix compilation 2016-01-05 14:05:11 +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
FrankHB
607d91517e Fixed unresolved 'BUFSIZ' 
`BUFSIZ` is defined in header `<cstdio>`.
 2016-01-05 13:33:40 +01:00
Christian Theune
14ebde5289 First hit at providing support for floats in the language. 2016-01-05 00:40:40 +01:00
Eelco Dolstra
8f67325a7c Build sandbox support etc. unconditionally on Linux 
Also, use "#if __APPLE__" instead of "#if SANDBOX_ENABLED" to prevent
ambiguity.
 2015-12-10 11:47:17 +01:00
Danny Wilson
69b9d8fdbd Use DT_UNKNOWN when dirent d_type extension is not supported. 
edolstra:
“…since callers of readDirectory have to handle the possibility of
 DT_UNKNOWN anyway, and we don't want to do a stat call for every
 directory entry unless it's really needed.”
 2015-11-25 21:57:19 +01:00
Shea Levy
1d3529e93a Default arguments belong at declaration, not definition 2015-11-16 05:55:55 -05:00
Shea Levy
9b4cd20752 Fix copy-paste error 2015-11-16 05:54:34 -05:00
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
6f1743b1a5 Support SHA-512 hashes 
Fixes #679.

Note: on x86_64, SHA-512 is considerably faster than SHA-256 (198 MB/s
versus 131 MB/s).
 2015-11-04 16:37:49 +01:00
Eelco Dolstra
a6ca68a70c Require OpenSSL 2015-11-04 16:37:49 +01:00
Eelco Dolstra
1f735a3440 <nix/fetchurl.nix>: Support xz-compressed NARs 2015-10-30 12:34:30 +01:00
Eelco Dolstra
5c28943e8f int2String() -> std::to_string() 2015-10-29 13:26:55 +01:00
Jude Taylor
af1218a86a revert libutil change 2015-10-21 14:40:35 -07:00
Jude Taylor
e770f941d6 make sandbox builds more permissive 2015-10-21 12:38:52 -07:00