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414 commits

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
Eelco Dolstra
b3ba762dbf Add missing #include 2016-11-07 14:35:47 +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