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249 commits

Author SHA1 Message Date
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
Eelco Dolstra
7911e4c27a Remove maybeVfork 2014-07-10 13:35:44 +02:00
Eelco Dolstra
696f960dee Set up directories and permissions for multi-user install automatically 
This automatically creates /nix/var/nix/profiles/per-user and sets the
permissions/ownership on /nix/store to 1775 and root:nixbld.
 2014-05-02 14:31:15 +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
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
00d30496ca Heuristically detect if a build may have failed due to a full disk 
This will allow Hydra to detect that a build should not be marked as
"permanently failed", allowing it to be retried later.
 2014-02-17 14:15:56 +01:00
Eelco Dolstra
d210cdc435 Fix assertion failure in ‘nix-store --load-db’ 
Namely:

  nix-store: derivations.cc:242: nix::Hash nix::hashDerivationModulo(nix::StoreAPI&, nix::Derivation): Assertion `store.isValidPath(i->first)' failed.

This happened because of the derivation output correctness check being
applied before the references of a derivation are valid.
 2014-02-03 22:36:07 +01:00
Eelco Dolstra
d6582c04c1 Give a friendly error message if the DB directory is not writable 
Previously we would say "error: setting synchronous mode: unable to
open database file" which isn't very helpful.
 2014-02-01 16:57:38 +01:00
Eelco Dolstra
709cbe4e76 Include <cstring> for memset 
This should fix building on Illumos.
 2013-11-22 10:00:43 +00:00
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
a737f51fd9 Retry all SQLite operations 
To deal with SQLITE_PROTOCOL, we also need to retry read-only
operations.
 2013-10-16 15:58:20 +02:00
Eelco Dolstra
ff02f5336c Fix a race in registerFailedPath() 
Registering the path as failed can fail if another process does the
same thing after the call to hasPathFailed().  This is extremely
unlikely though.
 2013-10-16 14:55:53 +02:00