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2016-04-21 Implement S3BinaryCacheStore::queryAllValidPaths()Eelco Dolstra1-2/+2
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).
2016-04-20 Cache path info lookups in SQLiteEelco Dolstra1-2/+0
This re-implements the binary cache database in C++, allowing it to be used by other Store backends, in particular the S3 backend.
2016-04-19 Move path info caching from BinaryCacheStore to StoreEelco Dolstra1-52/+47
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().
2016-04-14 Fix std::atomic_flag build failureEelco Dolstra1-0/+1
http://hydra.nixos.org/build/34453794
2016-04-08 Remove failed build cachingEelco Dolstra1-59/+7
This feature was implemented for Hydra, but Hydra no longer uses it.
2016-04-08 Make LocalStore thread-safeEelco Dolstra1-129/+136
Necessary for multi-threaded commands like "nix verify-paths".
2016-04-07 Sign locally-built pathsEelco Dolstra1-1/+15
Locally-built paths are now signed automatically using the secret keys specified by the ‘secret-key-files’ option.
2016-04-05 Add "nix copy-sigs" commandEelco Dolstra1-3/+19
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
2016-03-30 LocalStore: Keep track of ultimately trusted pathsEelco Dolstra1-8/+28
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 Improve the SQLite wrapper APIEelco Dolstra1-171/+64
In particular, this eliminates a bunch of boilerplate code.
2016-03-30 Factour out SQLite handlingEelco Dolstra1-171/+0
2016-03-30 Turn retrying SQLite transactions into a higher-order functionEelco Dolstra1-33/+42
2016-03-22 Don't overload dumpPath()Eelco Dolstra1-1/+1
2016-03-21 Add Store::dumpPath() methodEelco Dolstra1-1/+1
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 Drop support for upgrading from Nix <= 0.12Eelco Dolstra1-84/+7
2016-03-04 Eliminate some large string copyingEelco Dolstra1-4/+4
2016-02-26 importPaths(): Optionally add NARs to binary cache accessorEelco Dolstra1-1/+2
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.
2016-02-24 deletePath(): Succeed if path doesn't existEelco Dolstra1-3/+3
Also makes it robust against concurrent deletions.
2016-02-24 Eliminate reserveSpace flagEelco Dolstra1-17/+13
2016-02-24 LocalStore::addTextToStore(): Don't read the path we just wroteEelco Dolstra1-3/+5
This eliminates some unnecessary (presumably cached) I/O.
2016-02-17 Fix build without sodiumEelco Dolstra1-4/+1
http://hydra.nixos.org/build/32085949
2016-02-16 Rename ValidPathInfo::hash -> narHash for consistencyEelco Dolstra1-16/+16
2016-02-15 Expose the export magic value and move LocalStore::queryReferences to StoreEelco Dolstra1-14/+3
2016-02-15 Add function to extract hash part of a store pathEelco Dolstra1-1/+1
2016-02-04 Eliminate the "store" global variableEelco Dolstra1-2/+2
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.)
2016-01-31 Use the daemon when we don't have write access to the Nix databaseEelco Dolstra1-1/+7
2016-01-12 Canonicalize gids to 0Eelco Dolstra1-2/+2
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.
2015-12-10 Build sandbox support etc. unconditionally on LinuxEelco Dolstra1-7/+2
Also, use "#if __APPLE__" instead of "#if SANDBOX_ENABLED" to prevent ambiguity.
2015-07-20 nix-copy-closure: Add -v flagEelco Dolstra1-1/+3
And make exportPath() less spammy by default.
2015-07-20 More cleanupEelco Dolstra1-11/+3
2015-07-17 OCD: foreach -> C++11 ranged forEelco Dolstra1-73/+73
2015-06-22 Use posix_fallocate to create /nix/var/nix/db/reservedEelco Dolstra1-1/+11
2015-05-13 cygwin: explicitly include required c headersRok Garbas1-0/+1
2015-04-07 Revert /nix/store permission back to 01775Eelco Dolstra1-1/+1
This broke NixOS VM tests. Mostly reverts 27b7b94923d2f207781b438bb7a57669bddf7d2b, 5ce50cd99e740d0d0f18c30327ae687be9356553, afa433e58c3fe6029660a43fdc2073c9d15b4210.
2015-03-25 addToStore(): Take explicit name argumentEelco Dolstra1-2/+2
2015-01-08 Doh^2Eelco Dolstra1-1/+1
2015-01-08 DohEelco Dolstra1-3/+3
2015-01-08 Set /nix/store permission to 1737Eelco Dolstra1-4/+6
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).
2014-12-29 LocalStore initialization: Don't die if build-users-group doesn't existShea Levy1-11/+12
See NixOS/nixpkgs@9245516
2014-12-12 Shut up a Valgrind warningEelco Dolstra1-1/+1
2014-12-10 Don't wait for PID -1Eelco Dolstra1-1/+2
The pid field can be -1 if forking the substituter process failed.
2014-11-19 Clean up temp roots in a more C++ wayEelco Dolstra1-0/+9
2014-10-14 Improved error message when encountering unsupported file typesEelco Dolstra1-3/+3
Fixes #269.
2014-08-20 Use proper quotes everywhereEelco Dolstra1-64/+64
2014-08-05 Remove unnecessary call to addTempRoot()Eelco Dolstra1-1/+0
2014-08-01 Make readDirectory() return inode / file typeEelco Dolstra1-11/+9
2014-07-10 Replace message "importing path <...>" with "exporting path <...>"Eelco Dolstra1-2/+2
This causes nix-copy-closure to show what it's doing before rather than after.
2014-07-10 Refactoring: Move all fork handling into a higher-order functionEelco Dolstra1-25/+10
C++11 lambdas ftw.
2014-07-10 Remove maybeVforkEelco Dolstra1-1/+1
2014-05-02 Set up directories and permissions for multi-user install automaticallyEelco Dolstra1-1/+28
This automatically creates /nix/var/nix/profiles/per-user and sets the permissions/ownership on /nix/store to 1775 and root:nixbld.