depot - monorepo for the virus lounge

Age	Commit message (Collapse)	Author	Files	Lines
2011-11-29	* Get rid of some superfluous error messages if a substituter fails.	Eelco Dolstra	1	-15/+6
	* Say "fetch" instead of "substitute".
2011-11-21	nix: add /etc/hosts with localhost entry to chroot builds.	Rob Vermaas	1	-0/+3

2011-08-31	* Eliminate all uses of the global variable ‘store’ from libstore.	Eelco Dolstra	1	-8/+8
	This should also fix: nix-instantiate: ./../boost/shared_ptr.hpp:254: T* boost::shared_ptr<T>::operator->() const [with T = nix::StoreAPI]: Assertion `px != 0' failed. which was caused by hashDerivationModulo() calling the ‘store’ object (during store upgrades) before openStore() assigned it.
2011-07-20	* Fix a huuuuge security hole in the Nix daemon. It didn't check that	Eelco Dolstra	1	-12/+3
	derivations added to the store by clients have "correct" output paths (meaning that the output paths are computed by hashing the derivation according to a certain algorithm). This means that a malicious user could craft a special .drv file to build any desired path in the store with any desired contents (so long as the path doesn't already exist). Then the attacker just needs to wait for a victim to come along and install the compromised path. For instance, if Alice (the attacker) knows that the latest Firefox derivation in Nixpkgs produces the path /nix/store/1a5nyfd4ajxbyy97r1fslhgrv70gj8a7-firefox-5.0.1 then (provided this path doesn't already exist) she can craft a .drv file that creates that path (i.e., has it as one of its outputs), add it to the store using "nix-store --add", and build it with "nix-store -r". So the fake .drv could write a Trojan to the Firefox path. Then, if user Bob (the victim) comes along and does $ nix-env -i firefox $ firefox he executes the Trojan injected by Alice. The fix is to have the Nix daemon verify that derivation outputs are correct (in addValidPath()). This required some refactoring to move the hash computation code to libstore.
2011-06-30	Add support for the `build-timeout' and `--timeout' options.	Ludovic Courtès	1	-4/+30

2010-12-13	* nix-instantiate: return exit status 100 to denote a permanent build	Eelco Dolstra	1	-3/+16
	failure. The build hook can use this to distinguish between transient and permanent failures on the remote side.
2010-12-13	* Update some comments.	Eelco Dolstra	1	-1/+1

2010-11-16	* Store the size of a store path in the database (to be precise, the	Eelco Dolstra	1	-16/+25
	size of the NAR serialisation of the path, i.e., `nix-store --dump PATH'). This is useful for Hydra.
2010-08-31	* Always print hook output on stderr, even if --no-build-output is	Eelco Dolstra	1	-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.
2010-08-30	* When using the build hook, distinguish between the stderr of the	Eelco Dolstra	1	-11/+29
	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.
2010-08-27	* Experimental feature: allow a derivation to tell the build hook that	Eelco Dolstra	1	-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 starting	Eelco Dolstra	1	-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	* Handle the unlikely case where a derivation has no dependencies at	Eelco Dolstra	1	-1/+4
	all.
2010-08-04	* Sync with the trunk.	Eelco Dolstra	1	-0/+5

2010-08-04	* Allow derivations to hint that they should not be built remotely	Eelco Dolstra	1	-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 Simons	1	-0/+2
	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 Simons	1	-0/+3
	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	* Sync with the trunk.	Eelco Dolstra	1	-1/+1

2010-06-01	* Turn build errors during evaluation into EvalErrors.	Eelco Dolstra	1	-1/+1

2010-06-01	* Hack to allow derivations to disable chroot builds by setting the	Eelco Dolstra	1	-0/+3
	attribute "__noChroot = true" (requested by Rob).
2010-03-11	* Sync with the trunk.	Eelco Dolstra	1	-1/+7

2010-03-11	Show the build user's group in /etc/group in chroots.	Ludovic Courtès	1	-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 Dolstra	1	-5/+6

2010-03-11	Fix thinko in r20547.	Ludovic Courtès	1	-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 Courtès	1	-4/+5
	* src/libstore/build.cc (nix::DerivationGoal::startBuilder): Don't display any supplementary groups for `nixbld' in /etc/passwd.
2010-02-03	* Revert r19797, and use a simpler solution: just don't monitor build	Eelco Dolstra	1	-10/+18
	hooks for silence. It's unnecessary because the remote nix-store command is already monitoring the real build.
2010-01-29	* Added an option "fsync-metadata" to fsync() changes to	Eelco Dolstra	1	-5/+5
	/nix/var/nix/db. * Removed the function writeStringToFile since it does (almost) the same thing as writeFile.
2009-12-17	* Include config.h before the C library headers, because it defines	Eelco Dolstra	1	-2/+2
	_FILE_OFFSET_BITS=64. Without it, functions like stat() fail on large file sizes. This happened with a Nix store on squashfs: $ nix-store --dump /tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds > /dev/null error: getting attributes of path `/tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds': Value too large for defined data type $ stat /tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds File: `/tmp/mnt/46wzqnk4cbdwh1dclhrpqnnz1icak6n7-local-net-cmds' Size: 0 Blocks: 36028797018963968 IO Block: 1024 regular empty file (This is a bug in squashfs or mksquashfs, but it shouldn't cause Nix to fail.)
2009-12-09	* Give a better error message when trying to build something and	Eelco Dolstra	1	-0/+6
	readOnlyMode is set.
2009-10-22	* When building in a chroot, make a copy of a file if hard-linking	Eelco Dolstra	1	-2/+13
	fails. This is likely to happen after a `nix-store --optimise', because some files may have 32000 links (NIX-111).
2009-09-24	* Fix a build failure on Fedora 11. rename() needs <stdio.h>.	Eelco Dolstra	1	-0/+1

2009-09-23	* Create some state directories automatically as a convenience.	Eelco Dolstra	1	-0/+2

2009-09-23	* include wait.h for WEXITSTATUS	Rob Vermaas	1	-0/+1

2009-04-21	* Use foreach in a lot of places.	Eelco Dolstra	1	-40/+22

2009-04-15	* Don't cache transient build hook problems.	Eelco Dolstra	1	-6/+11

2009-03-31	* Do a substitution even if --max-jobs == 0.	Eelco Dolstra	1	-17/+22

2009-03-31	* Doh!	Eelco Dolstra	1	-1/+1

2009-03-30	* Make the poll interval configurable.	Eelco Dolstra	1	-2/+2

2009-03-29	* With `--max-jobs 0', print a nicer error message than "Assertion	Eelco Dolstra	1	-1/+5
	`!awake.empty()' failed."
2009-03-29	* Use polling to wait for a remote build slot when using a build hook	Eelco Dolstra	1	-31/+1
	(that is, call the build hook with a certain interval until it accepts the build). * build-remote.pl was totally broken: for all system types other than the local system type, it would send all builds to the first machine of the appropriate type.
2009-03-28	* Scan for references and compute the SHA-256 hash of the output in	Eelco Dolstra	1	-12/+8
	one pass. This halves the amount of I/O.
2009-03-28	* Simplify communication with the hook a bit (don't use file	Eelco Dolstra	1	-70/+16
	descriptors 3/4, just use stdin/stderr).
2009-03-28	* The `fixedOutput' variable didn't get initialised when using a build	Eelco Dolstra	1	-5/+6
	hook, causing negative caching to fail randomly.
2009-03-25	* Negative caching, i.e. caching of build failures. Disabled by	Eelco Dolstra	1	-6/+50
	default. This is mostly useful for Hydra.
2009-03-24	* Doh.	Eelco Dolstra	1	-1/+1

2009-03-24	(no commit message)	Eelco Dolstra	1	-1/+1

2009-03-23	* No longer block while waiting for a lock on a store path. Instead	Eelco Dolstra	1	-20/+67
	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.
2009-03-22	* Refactoring.	Eelco Dolstra	1	-136/+85

2009-03-18	* Unify exportReferencesGraph and exportBuildReferencesGraph, and make	Eelco Dolstra	1	-48/+18
	sure that it works as expected when you pass it a derivation. That is, we have to make sure that all build-time dependencies are built, and that they are all in the input closure (otherwise remote builds might fail, for example). This is ensured at instantiation time by adding all derivations and their sources to inputDrvs and inputSrcs.
2009-03-18	* Acquire the locks on the output paths before trying to run the build	Eelco Dolstra	1	-145/+71
	hook. This fixes a problem with log files being partially or completely filled with 0's because another nix-store process truncates the log file. It should also be more efficient.