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260 commits

Author SHA1 Message Date
Eelco Dolstra
95d20dfde9 Allow parameters in store URIs 
This is to allow store-specific configuration,
e.g. s3://my-cache?compression=bzip2&secret-key=/path/to/key.
 2016-04-29 16:26:16 +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
7d14f5c331 Implement S3BinaryCacheStore::queryAllValidPaths() 
This allows commands like "nix verify --all" or "nix path-info --all"
to work on S3 caches.

Unfortunately, this requires some ugly hackery: when querying the
contents of the bucket, we don't want to have to read every .narinfo
file. But the S3 bucket keys only include the hash part of each store
path, not the name part. So as a special exception
queryAllValidPaths() can now return store paths *without* the name
part, and queryPathInfo() accepts such store paths (returning a
ValidPathInfo object containing the full name).
 2016-04-21 17:53:47 +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
96515b0c0d Fix std::atomic_flag build failure 
http://hydra.nixos.org/build/34453794
 2016-04-14 12:50:01 +02:00
Eelco Dolstra
8cffec8485 Remove failed build caching 
This feature was implemented for Hydra, but Hydra no longer uses it.
 2016-04-08 18:19:04 +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
e39999ed48 Sign locally-built paths 
Locally-built paths are now signed automatically using the secret keys
specified by the ‘secret-key-files’ option.
 2016-04-07 15:16:57 +02:00
Eelco Dolstra
d0f5719c2a Add "nix copy-sigs" command 
This imports signatures from one store into another. E.g.

  $ nix copy-sigs -r /run/current-system -s https://cache.nixos.org/
  imported 595 signatures
 2016-04-05 16:39:23 +02:00
Eelco Dolstra
9cee600c88 LocalStore: Keep track of ultimately trusted paths 
These are content-addressed paths or outputs of locally performed
builds. They are trusted even if they don't have signatures, so "nix
verify-paths" won't complain about them.
 2016-03-30 17:35:48 +02:00
Eelco Dolstra
3d119f0a3b Improve the SQLite wrapper API 
In particular, this eliminates a bunch of boilerplate code.
 2016-03-30 15:50:45 +02:00
Eelco Dolstra
d9c5e3bbf0 Factour out SQLite handling 2016-03-30 13:27:25 +02:00
Eelco Dolstra
2ae43ced9a Turn retrying SQLite transactions into a higher-order function 2016-03-30 12:04:27 +02:00
Eelco Dolstra
bb1034316d Don't overload dumpPath() 2016-03-22 14:21:45 +01:00
Eelco Dolstra
1c5f73f529 Add Store::dumpPath() method 
This allows applying nix-store --verify-path to binary cache stores:

  NIX_REMOTE=https://cache.nixos.org nix-store --verify-path /nix/store/s5c7...
 2016-03-21 17:55:57 +01:00
Eelco Dolstra
87295b9844 Drop support for upgrading from Nix <= 0.12 2016-03-21 15:09:03 +01:00
Eelco Dolstra
42bc395b63 Eliminate some large string copying 2016-03-04 16:49:56 +01:00
Eelco Dolstra
bcc9943cee importPaths(): Optionally add NARs to binary cache accessor 
This enables an optimisation in hydra-queue-runner, preventing a
download of a NAR it just uploaded to the cache when reading files
like hydra-build-products.
 2016-02-26 15:20:10 +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
28e7e29abd Eliminate reserveSpace flag 2016-02-24 17:44:55 +01:00
Eelco Dolstra
5a64e66268 LocalStore::addTextToStore(): Don't read the path we just wrote 
This eliminates some unnecessary (presumably cached) I/O.
 2016-02-24 17:11:31 +01:00
Eelco Dolstra
b49d323ce2 Fix build without sodium 
http://hydra.nixos.org/build/32085949
 2016-02-17 12:42:14 +01:00
Eelco Dolstra
5ac27053e9 Rename ValidPathInfo::hash -> narHash for consistency 2016-02-16 11:49:12 +01:00
Eelco Dolstra
c8f4d89a34 Expose the export magic value and move LocalStore::queryReferences to Store 2016-02-15 15:01:26 +01:00
Eelco Dolstra
d089372565 Add function to extract hash part of a store path 2016-02-15 15:01:26 +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
9e7c1a4bbd Use the daemon when we don't have write access to the Nix database 2016-01-31 10:28:48 +01:00
Eelco Dolstra
8906eda2f9 Canonicalize gids to 0 
Previously files in the Nix store were owned by root or by nixbld,
depending on whether they were created by a substituter or by a
builder. This doesn't matter much, but causes spurious diffoscope
differences. So use root everywhere.
 2016-01-12 17:27:40 +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
Eelco Dolstra
ccf31dbc25 nix-copy-closure: Add -v flag 
And make exportPath() less spammy by default.
 2015-07-20 01:52:07 +02:00
Eelco Dolstra
b3491c781c More cleanup 2015-07-20 01:16:16 +02:00
Eelco Dolstra
6bd2c7bb38 OCD: foreach -> C++11 ranged for 2015-07-17 20:13:56 +02:00
Eelco Dolstra
2bc9c84327 Use posix_fallocate to create /nix/var/nix/db/reserved 2015-06-22 15:54:55 +02:00
Rok Garbas
000de699e9 cygwin: explicitly include required c headers 2015-05-13 09:37:12 +02:00
Eelco Dolstra
1711679ea5 Revert /nix/store permission back to 01775 
This broke NixOS VM tests.

Mostly reverts 27b7b94923,
5ce50cd99e,
afa433e58c.
 2015-04-07 13:21:26 +02:00
Eelco Dolstra
7ea6ecf855 addToStore(): Take explicit name argument 2015-03-25 17:06:12 +01:00
Eelco Dolstra
57d64d24aa Doh^2 2015-01-08 16:59:22 +01:00
Eelco Dolstra
57b82256b0 Doh 2015-01-08 16:49:31 +01:00
Eelco Dolstra
27b7b94923 Set /nix/store permission to 1737 
I.e., not readable to the nixbld group. This improves purity a bit for
non-chroot builds, because it prevents a builder from enumerating
store paths (i.e. it can only access paths it knows about).
 2015-01-08 16:39:07 +01:00
Shea Levy
3d97b8d1e7 LocalStore initialization: Don't die if build-users-group doesn't exist 
See NixOS/nixpkgs@9245516
 2014-12-29 14:40:13 +01:00
Eelco Dolstra
46f3eb6fdd Shut up a Valgrind warning 2014-12-12 15:10:02 +01:00
Eelco Dolstra
e529823635 Don't wait for PID -1 
The pid field can be -1 if forking the substituter process failed.
 2014-12-10 13:53:04 +01:00
Eelco Dolstra
1256ab3b44 Clean up temp roots in a more C++ way 2014-11-19 17:07:29 +01:00
Eelco Dolstra
2a4dbcff74 Improved error message when encountering unsupported file types 
Fixes #269.
 2014-10-14 10:51:19 +02:00
Eelco Dolstra
11849a320e Use proper quotes everywhere 2014-08-20 18:03:48 +02:00
Eelco Dolstra
98873ff7de Remove unnecessary call to addTempRoot() 2014-08-05 16:41:42 +02:00
Eelco Dolstra
daf3f2c11f Make readDirectory() return inode / file type 2014-08-01 17:14:28 +02:00
Eelco Dolstra
edbfe2232e Replace message "importing path <...>" with "exporting path <...>" 
This causes nix-copy-closure to show what it's doing before rather
than after.
 2014-07-10 21:30:22 +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