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2010-12-17 * Propagate the "100" exit status for failed builds through the NixEelco Dolstra2-3/+6
daemon.
2010-12-14 * I forgot to catch SQLiteBusy in registerValidPaths(). SoEelco Dolstra1-38/+31
registerValidPaths() now handles busy errors and registerValidPath() is simply a wrapper around it.
2010-12-13 * nix-instantiate: return exit status 100 to denote a permanent buildEelco Dolstra1-3/+16
failure. The build hook can use this to distinguish between transient and permanent failures on the remote side.
2010-12-13 * Create /nix/var/nix/db if it's missing.Eelco Dolstra1-0/+1
2010-12-13 * Update some comments.Eelco Dolstra1-1/+1
2010-12-08 * Ignore the result of sqlite3_reset().Eelco Dolstra1-3/+4
2010-12-06 * `nix-store --verify --check-contents': don't hold the global GC lockEelco Dolstra2-11/+49
while checking the contents, since this operation can take a very long time to finish. Also, fill in missing narSize fields in the DB while doing this.
2010-12-05 * Retry a transaction if SQLite returns SQLITE_BUSY. This can happenEelco Dolstra1-61/+83
even with a very long busy timeout, because SQLITE_BUSY is also returned to resolve deadlocks. This should get rid of random "database is locked" errors. This is kind of hard to test though. * Fix a horrible bug in deleteFromStore(): deletePathWrapped() should be called after committing the transaction, not before, because the commit might not succeed.
2010-11-17 * Before a build, show the disk space that the downloaded store pathsEelco Dolstra6-6/+9
will approximately require.
2010-11-17 * Add an operation `nix-store -q --size'.Eelco Dolstra2-2/+13
2010-11-17 * Implement RemoteStore::queryPathInfo().Eelco Dolstra2-1/+14
2010-11-16 * Store the size of a store path in the database (to be precise, theEelco Dolstra11-78/+124
size of the NAR serialisation of the path, i.e., `nix-store --dump PATH'). This is useful for Hydra.
2010-11-16 * Sync with the trunk.Eelco Dolstra1-3/+3
2010-10-14 * Wrap deleteFromStore() in a transaction. Otherwise there might be aEelco Dolstra2-8/+13
race with other processes that add new referrers to a path, resulting in the garbage collector crashing with "foreign key constraint failed". (Nix/4) * Make --gc --print-dead etc. interruptible.
2010-10-04 * Make sure that config.h is included before the system headers,Eelco Dolstra1-3/+3
because it defines _FILE_OFFSET_BITS. Without this, on OpenSolaris the system headers define it to be 32, and then the 32-bit stat() ends up being called with a 64-bit "struct stat", or vice versa. This also ensures that we get 64-bit file sizes everywhere. * Remove the redundant call to stat() in parseExprFromFile(). The file cannot be a symlink because that's the exit condition of the loop before.
2010-09-01 * Only do "pragma journal_mode = ..." if the current journal modeEelco Dolstra1-1/+10
differs from the desired mode. There is an open SQLite ticket `Executing "PRAGMA journal_mode" may delete journal file while it is in use.'
2010-08-31 * Always print hook output on stderr, even if --no-build-output isEelco Dolstra1-4/+12
set. * In the build hook, print a trace message to allow Hydra to pick up the name of the remote machine used for the build.
2010-08-31 `nix-store --verify' improvements:Eelco Dolstra3-20/+62
* If a path has disappeared, check its referrers first, and don't try to invalidate paths that have valid referrers. Otherwise we get a foreign key constraint violation. * Read the whole Nix store directory instead of statting each valid path, which is slower. * Acquire the global GC lock.
2010-08-30 * When using the build hook, distinguish between the stderr of theEelco Dolstra4-21/+32
hook script proper, and the stdout/stderr of the builder. Only the latter should be saved in /nix/var/log/nix/drvs. * Allow the verbosity to be set through an option. * Added a flag --quiet to lower the verbosity level.
2010-08-30 * Disable the GC reachability check for now (when creating new roots),Eelco Dolstra1-1/+1
as it's hopelessly inefficient.
2010-08-27 * Experimental feature: allow a derivation to tell the build hook thatEelco Dolstra1-2/+10
it requires a certain feature on the build machine, e.g. requiredSystemFeatures = [ "kvm" ]; We need this in Hydra to make sure that builds that require KVM support are forwarded to machines that have KVM support. Probably this should also be enforced for local builds.
2010-08-25 * Made the build hook mechanism more efficient. Rather than startingEelco Dolstra1-203/+187
the hook every time we want to ask whether we can run a remote build (which can be very often), we now reuse a hook process for answering those queries until it accepts a build. So if there are N derivations to be built, at most N hooks will be started.
2010-08-24 * Don't complain if the stored hash of a path is zero (unknown).Eelco Dolstra1-2/+3
2010-08-24 * Handle the unlikely case where a derivation has no dependencies atEelco Dolstra1-1/+4
all.
2010-08-24 * Sync with the trunk.Eelco Dolstra2-1/+4
2010-08-12 * Make --cores work when building through the Nix daemon.Eelco Dolstra2-1/+4
2010-08-04 * Sync with the trunk.Eelco Dolstra4-0/+13
2010-08-04 * Use SQLite 3.7.0's write-ahead logging (WAL mode). This is a lotEelco Dolstra1-2/+12
faster than the old mode when fsyncs are enabled, because it only performs an fsync() when doing a checkpoint, rather than at every commit. Some timings for doing a "nix-instantiate /etc/nixos/nixos -A system" after modifying the stdenv setup script: 42.5s - SQLite 3.6.23 with truncate mode and fsync 3.4s - SQLite 3.6.23 with truncate mode and no fsync 32.1s - SQLite 3.7.0 with truncate mode and fsync 16.8s - SQLite 3.7.0 with WAL mode and fsync, auto-checkpoint every 1000 pages 8.3s - SQLite 3.7.0 with WAL mode and fsync, auto-checkpoint every 8192 pages 1.7s - SQLite 3.7.0 with WAL mode and no fsync The default is now to use WAL mode with fsyncs. Because WAL doesn't work on remote filesystems such as NFS (as it uses shared memory), truncate mode can be re-enabled by setting the "use-sqlite-wal" option to false.
2010-08-04 * Allow derivations to hint that they should not be built remotelyEelco Dolstra1-23/+39
using the build hook mechanism, by setting the derivation attribute "preferLocalBuild" to true. This has a few use cases: - The user environment builder. Since it just creates a bunch of symlinks without much computation, there is no reason to do it remotely. In fact, doing it remotely requires the entire closure of the user environment to be copied to the remote machine, which is extremely wasteful. - `fetchurl'. Performing the download on a remote machine and then copying it to the local machine involves twice as much network traffic as performing the download locally, and doesn't save any CPU cycles on the local machine.
2010-06-24 Include <cstring> to ensure that strcpy(), strlen(), and memset() are declared.Peter Simons2-0/+4
An "using namespace std" was added locally in those functions that refer to names from <cstring>. That is not pretty, but it's a very portable solution, because strcpy() and friends will be found in both the 'std' and in the global namespace.
2010-06-23 Added support for passing an (impure) NIX_BUILD_CORES variable to build ↵Peter Simons3-0/+9
expressions. This patch adds the configuration file variable "build-cores" and the command line argument "--cores". These settings specify the number of CPU cores to utilize for parallel building within a job, i.e. by passing an appropriate "-j" flag to GNU Make. The default value is 1, which means that parallel building is *disabled*. If the number of build cores is specified as 0 (synonymously: "guess" or "auto"), then the actual value is supposed to be auto-detected by builders at run-time, i.e by calling the nproc(1) utility from coreutils. The environment variable $NIX_BUILD_CORES is available to builders, but the contents of that variable does *not* influence the hash that goes into the $out store path, i.e. the number of build cores to be utilized can be changed at will without requiring any re-builds.
2010-06-21 * Okay, putting a lock on the temporary directory used by importPath()Eelco Dolstra2-6/+20
doesn't work because the garbage collector doesn't actually look at locks. So r22253 was stupid. Use addTempRoot() instead. Also, locking the temporary directory in exportPath() was silly because it isn't even in the store.
2010-06-21 * Sync with the trunk.Eelco Dolstra4-4/+20
2010-06-14 * In importPath() and exportPath(), lock the temporary directory toEelco Dolstra1-0/+4
prevent it from being deleted by the garbage collector.
2010-06-08 * Replacing ValidPath rows doesn't work because it causes a constraintEelco Dolstra1-2/+5
violation of the Refs table. So don't do that.
2010-06-04 * Applied a patch from David Brown to prevent `nix-store --optimise'Eelco Dolstra1-1/+15
from failing on rename() on BtrFS.
2010-06-01 * Turn build errors during evaluation into EvalErrors.Eelco Dolstra2-3/+1
2010-06-01 * Hack to allow derivations to disable chroot builds by setting theEelco Dolstra1-0/+3
attribute "__noChroot = true" (requested by Rob).
2010-05-12 * Sync with the trunk.Eelco Dolstra6-146/+123
2010-05-04 * Allow unprivileged users to do `nix-store --clear-failed-paths' andEelco Dolstra5-3/+32
`nix-store --query-failed-paths'.
2010-04-26 * Added a command `nix-store --clear-failed-paths <PATHS>' to clearEelco Dolstra2-0/+22
the "failed" status of the given store paths. The special value `*' clears all failed paths.
2010-04-26 * Add an command `nix-store --query-failed-paths' to list the cachedEelco Dolstra2-0/+25
failed paths (when using the `build-cache-failure' option).
2010-04-21 * Don't use an ostringstream in unparseDerivation(), because it'sEelco Dolstra1-38/+39
slow. A `nix-env -qa --drv-path \*' on Nixpkgs was spending 40% of its time in unparseDerivation() because of this (now 11%).
2010-04-19 * Drop the dependency on the ATerm library.Eelco Dolstra1-1/+1
2010-04-19 * Don't use the ATerm library for parsing/printing .drv files.Eelco Dolstra6-142/+117
2010-03-11 * Sync with the trunk.Eelco Dolstra1-1/+7
2010-03-11 Show the build user's group in /etc/group in chroots.Ludovic Courtès1-0/+6
* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Create /etc/group showing the build user's group.
2010-03-11 * Sync with the trunk.Eelco Dolstra1-5/+6
2010-03-11 Fix thinko in r20547.Ludovic Courtès1-4/+4
* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Fix the GID of the build user in /etc/passwd.
2010-03-11 Clear supplementary groups of `nixbld' in /etc/passwd in chroots.Ludovic Courtès1-4/+5
* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Don't display any supplementary groups for `nixbld' in /etc/passwd.
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