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2014-09-17 Settings: Add bool get()Eelco Dolstra1-0/+2
2014-08-05 DohEelco Dolstra1-9/+0
2014-08-04 Move some options out of globalsEelco Dolstra1-1/+3
2014-08-04 RefactorEelco Dolstra1-5/+5
2014-08-04 Add option ‘build-extra-chroot-dirs’Eelco Dolstra1-4/+0
This is useful for extending (rather than overriding) the default set of chroot paths.
2014-07-25 nix-daemon: Pass on the user's $SSH_AUTH_SOCK to the SSH substituterEelco Dolstra1-0/+2
2014-07-17 nix-daemon: Add trusted-users and allowed-users optionsEelco Dolstra1-0/+9
‘trusted-users’ is a list of users and groups that have elevated rights, such as the ability to specify binary caches. It defaults to ‘root’. A typical value would be ‘@wheel’ to specify all users in the wheel group. ‘allowed-users’ is a list of users and groups that are allowed to connect to the daemon. It defaults to ‘*’. A typical value would be ‘@users’ to specify the ‘users’ group.
2014-06-24 Only add the importNative primop if the ↵Shea Levy1-0/+3
allow-arbitrary-code-during-evaluation option is true (default false)
2014-05-21 nix-store -l: Fetch build logs from the InternetEelco Dolstra1-0/+3
If a build log is not available locally, then ‘nix-store -l’ will now try to download it from the servers listed in the ‘log-servers’ option in nix.conf. For instance, if you have: log-servers = http://hydra.nixos.org/log then it will try to get logs from http://hydra.nixos.org/log/<base name of the store path>. So you can do things like: $ nix-store -l $(which xterm) and get a log even if xterm wasn't built locally.
2014-02-26 Add use-ssh-substituter setting.Shea Levy1-0/+3
It defaults to false and can be overridden by RemoteStore. Untested currently, just quickly put this together
2014-02-14 Minor style fixesEelco Dolstra1-1/+1
2014-02-10 Pass in params by const refShea Levy1-1/+1
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 Add download-via-ssh substituterShea Levy1-0/+6
This substituter connects to a remote host, runs nix-store --serve there, and then forwards substituter commands on to the remote host and sends their results to the calling program. The ssh-substituter-hosts option can be specified as a list of hosts to try. This is an initial implementation and, while it works, it has some limitations: * Only the first host is used * There is no caching of query results (all queries are sent to the remote machine) * There is no informative output (such as progress bars) * Some failure modes may cause unhelpful error messages * There is no concept of trusted-ssh-substituter-hosts Signed-off-by: Shea Levy <shea@shealevy.com>
2013-11-12 Make function calls show up in stack traces againEelco Dolstra1-0/+3
Note that adding --show-trace prevents functions calls from being tail-recursive, so an expression that evaluates without --show-trace may fail with a stack overflow if --show-trace is given.
2013-09-06 Don't apply the CPU affinity hack to nix-shell (and other Perl programs)Eelco Dolstra1-0/+3
As discovered by Todd Veldhuizen, the shell started by nix-shell has its affinity set to a single CPU. This is because nix-shell connects to the Nix daemon, which causes the affinity hack to be applied. So we turn this off for Perl programs.
2013-09-02 Add an option to limit the log output of buildersEelco Dolstra1-0/+4
This is mostly useful for Hydra to deal with builders that get stuck in an infinite loop writing data to stdout/stderr.
2013-03-08 Revert "Prevent config.h from being clobbered"Eelco Dolstra1-0/+3
This reverts commit 28bba8c44f484eae38e8a15dcec73cfa999156f6.
2013-03-07 Prevent config.h from being clobberedEelco Dolstra1-3/+0
2013-02-19 Add `Settings::nixDaemonSocketFile'.Ludovic Courtès1-0/+3
2012-12-29 Allow mounting a path in a different location in the chrootEelco Dolstra1-2/+2
Fixes #24.
2012-11-27 Add builtin constants ‘langVersion’ and ‘nixVersion’Eelco Dolstra1-0/+3
The integer constant ‘langVersion’ denotes the current language version. It gets increased every time a language feature is added/changed/removed. It's currently 1. The string constant ‘nixVersion’ contains the current Nix version, e.g. "1.2pre2980_9de6bc5".
2012-09-25 Include <sys/types.h> for off_tEelco Dolstra1-0/+1
Reported by "gio" on IRC.
2012-07-31 Pass all --option flags to the daemonEelco Dolstra1-3/+5
2012-07-30 Refactor settings processingEelco Dolstra1-76/+145
Put all Nix configuration flags in a Settings object.
2012-07-30 Pass configuration settings to the substitutersEelco Dolstra1-0/+2
Previously substituters could read nix.conf themselves, but this didn't take --option flags into account.
2012-07-18 Use "#pragma once" to prevent repeated header file inclusionEelco Dolstra1-5/+1
2011-11-22 * Move initialisation of variables like nixConfDir from libmain toEelco Dolstra1-1/+3
libstore so that the Perl bindings can use it as well. It's vital that the Perl bindings use the configuration file, because otherwise nix-copy-closure will fail with a ‘database locked’ message if the value of ‘use-sqlite-wal’ is changed from the default.
2011-06-30 Add support for the `build-timeout' and `--timeout' options.Ludovic Courtès1-0/+4
2010-06-23 Added support for passing an (impure) NIX_BUILD_CORES variable to build ↵Peter Simons1-0/+5
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.
2009-03-23 * No longer block while waiting for a lock on a store path. InsteadEelco Dolstra1-1/+1
poll for it (i.e. if we can't acquire the lock, then let the main select() loop wait for at most a few seconds and then try again). This improves parallelism: if two nix-store processes are both trying to build a path at the same time, the second one shouldn't block; it should first see if it can build other goals. Also, it prevents the deadlocks that have been occuring in Hydra lately, where a process waits for a lock held by another process that's waiting for a lock held by the first. The downside is that polling isn't really elegant, but POSIX doesn't provide a way to wait for locks in a select() loop. The only solution would be to spawn a thread for each lock to do a blocking fcntl() and then signal the main thread, but that would require pthreads.
2009-02-27 * Allow options from the Nix config file to be overriden from theEelco Dolstra1-0/+2
command line (e.g. "--option build-use-chroot true").
2008-12-11 * Revert r13150: now that we use private namespaces for the chroot, weEelco Dolstra1-6/+0
don't have to put the chroot in /nix/var/nix/chroots anymore. They're back in /tmp now.
2008-11-20 * Nix daemon: reload the configuration file after forking (NIX-100).Eelco Dolstra1-0/+2
2008-11-12 * Some somewhat ad hoc mechanism to allow the build farm to monitorEelco Dolstra1-0/+16
build progress.
2008-10-29 * Put the chroots under /nix/var/nix/chroots to reduce the risk ofEelco Dolstra1-0/+6
disasters involving `rm -rf' on bind mounts. Will try the definitive fix (per-process mounts, apparently possible via the CLONE_NEWNS flag in clone()) some other time.
2007-11-16 * Flag `--no-build-hook' to disable distributed builds.Eelco Dolstra1-0/+4
* queryDeriver in daemon mode: don't barf if the other side returns an empty string (which means there is no deriver).
2007-08-12 * Get rid of the substitutes database table (NIX-47). Instead, if weEelco Dolstra1-0/+5
need any info on substitutable paths, we just call the substituters (such as download-using-manifests.pl) directly. This means that it's no longer necessary for nix-pull to register substitutes or for nix-channel to clear them, which makes those operations much faster (NIX-95). Also, we don't have to worry about keeping nix-pull manifests (in /nix/var/nix/manifests) and the database in sync with each other. The downside is that there is some overhead in calling an external program to get the substitutes info. For instance, "nix-env -qas" takes a bit longer. Abolishing the substitutes table also makes the logic in local-store.cc simpler, as we don't need to store info for invalid paths. On the downside, you cannot do things like "nix-store -qR" on a substitutable but invalid path (but nobody did that anyway). * Never catch interrupts (the Interrupted exception).
2006-12-08 * Kill a build if it has gone for more than a certain number ofEelco Dolstra1-0/+7
seconds without producing output on stdout or stderr (NIX-65). This timeout can be specified using the `--max-silent-time' option or the `build-max-silent-time' configuration setting. The default is infinity (0). * Fix a tricky race condition: if we kill the build user before the child has done its setuid() to the build user uid, then it won't be killed, and we'll potentially lock up in pid.wait(). So also send a conventional kill to the child.
2006-12-04 * Install the worker in bindir, not libexecdir.Eelco Dolstra1-0/+3
* Allow the worker path to be overriden through the NIX_WORKER environment variable.
2006-11-30 * Put building in the store API.Eelco Dolstra1-1/+0
2006-09-04 * Use a proper namespace.Eelco Dolstra1-4/+7
* Optimise header file usage a bit. * Compile the parser as C++.
2006-07-20 * Use $(libexecdir) to find find-runtime-roots.pl.Eelco Dolstra1-0/+4
2006-07-06 * Allow the canonical system name to be specified at runtime in theEelco Dolstra1-0/+3
Nix config file.
2006-02-16 * Allow the size of the GC reserved file to be specified in nix.confEelco Dolstra1-0/+2
through the new `gc-reserved-space' option.
2005-10-17 * Beginning of secure multi-user Nix stores. If Nix is started asEelco Dolstra1-9/+0
root (or setuid root), then builds will be performed under one of the users listed in the `build-users' configuration variables. This is to make it impossible to influence build results externally, allowing locally built derivations to be shared safely between users (see ASE-2005 paper). To do: only one builder should be active per build user.
2005-09-22 * Parse multi-valued options.Eelco Dolstra1-1/+1
2005-09-21 * Configuration options for trusted local builds.Eelco Dolstra1-0/+10
2005-02-14 * Global configuration option `env-keep-derivations' to store pointerEelco Dolstra1-0/+2
to derivations in user environments. Nice for developers (since it prevents build-time-only dependencies from being GC'ed, in conjunction with `gc-keep-outputs'). Turned off by default.
2005-02-01 * A GC setting `gc-keep-outputs' to specify whether output paths ofEelco Dolstra1-0/+8
derivations should be kept.
2004-10-25 * Allow certain operations to succeed even if we don't have writeEelco Dolstra1-0/+4
permission to the Nix store or database. E.g., `nix-env -qa' will work, but `nix-env -qas' won't (the latter needs DB access). The option `--readonly-mode' forces this mode; otherwise, it's only activated when the database cannot be opened.
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