depot - monorepo for the virus lounge

Age	Commit message (Collapse)	Author	Files	Lines
2012-12-20	nix-store -q --roots: Respect the gc-keep-outputs/gc-keep-derivations settings	Eelco Dolstra	7	-24/+59
	So if a path is not garbage solely because it's reachable from a root due to the gc-keep-outputs or gc-keep-derivations settings, ‘nix-store -q --roots’ now shows that root.
2012-12-20	Yet another rewrite of the garbage collector	Eelco Dolstra	2	-131/+138
	But this time it's obviously correct! No more segfaults due to infinite recursions for sure, etc. Also, move directories to /nix/store/trash instead of renaming them to /nix/store/bla-gc-<pid>. Then we can just delete /nix/store/trash at the end.
2012-12-19	If gc-keep-derivations is set, only keep the actual deriver	Eelco Dolstra	1	-1/+1
	This prevents zillions of derivations from being kept, and fixes an infinite recursion in the garbage collector (due to an obscure cycle that can occur with fixed-output derivations).
2012-12-19	Kill the build hook rather than shutting it down cleanly	Eelco Dolstra	1	-7/+1
	Waiting for the hook to shut down cleanly sometimes seems to lead to hangs.
2012-12-18	Revert brain fart	Eelco Dolstra	1	-2/+0
	This reverts commit cc511fd65b7b6de9e87e72fb4bed16fc7efeb8b7.
2012-12-18	Check for potential infinite select() loops when building	Eelco Dolstra	1	-0/+2

2012-12-11	On SQLITE_BUSY, wait a random amount of time	Eelco Dolstra	1	-1/+1
	If all contending processes wait a fixed amount of time (100 ms), there is a good probability that they'll just collide again.
2012-11-27	Add builtin constants ‘langVersion’ and ‘nixVersion’	Eelco Dolstra	3	-0/+7
	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".
2012-11-26	queryMissing(): Handle partially valid derivations	Eelco Dolstra	1	-5/+6

2012-11-26	Only substitute wanted outputs of a derivation	Eelco Dolstra	4	-21/+77
	If a derivation has multiple outputs, then we only want to download those outputs that are actuallty needed. So if we do "nix-build -A openssl.man", then only the "man" output should be downloaded. Likewise if another package depends on ${openssl.man}. The tricky part is that different derivations can depend on different outputs of a given derivation, so we may need to restart the corresponding derivation goal if that happens.
2012-11-26	Make "nix-build -A <derivation>.<output>" do the right thing	Eelco Dolstra	4	-7/+38
	For example, given a derivation with outputs "out", "man" and "bin": $ nix-build -A pkg produces ./result pointing to the "out" output; $ nix-build -A pkg.man produces ./result-man pointing to the "man" output; $ nix-build -A pkg.all produces ./result, ./result-man and ./result-bin; $ nix-build -A pkg.all -A pkg2 produces ./result, ./result-man, ./result-bin and ./result-2.
2012-11-15	Disable use of vfork()	Eelco Dolstra	1	-1/+1
	vfork() is just too weird. For instance, in this build: http://hydra.nixos.org/build/3330487 the value fromHook.writeSide becomes corrupted in the parent, even though the child only reads from it. At -O0 the problem goes away. Probably the child is overriding some spilled temporary variable. If I get bored I may implement using posix_spawn() instead.
2012-11-15	Don't use std::cerr in a few places	Eelco Dolstra	2	-11/+9
	Slightly scared of using std::cerr in a vforked process...
2012-11-09	Use vfork() instead of fork() if available	Eelco Dolstra	3	-19/+33
	Hopefully this reduces the chance of hitting ‘unable to fork: Cannot allocate memory’ errors. vfork() is used for everything except starting builders.
2012-11-09	Remove definition of non-existant function	Eelco Dolstra	1	-2/+0

2012-11-09	Remove some redundant close() calls	Eelco Dolstra	2	-8/+0
	They are unnecessary because we set the close-on-exec flag.
2012-11-09	Remove the quickExit function	Eelco Dolstra	2	-5/+5

2012-11-09	Remove a Darwin hack that should no longer be needed	Eelco Dolstra	1	-7/+0

2012-11-09	Don't start copy-from-other-stores if $NIX_OTHER_STORES is unset	Eelco Dolstra	1	-1/+2
	Slight optimisation.
2012-11-09	Remove unnecessary call to closeMostFDs()	Eelco Dolstra	1	-1/+0
	We have close-on-exec on all FDs now, and there is no security risk in passing open FDs to substituters anyway.
2012-11-06	canonicalizePathMetaData: Fall-back to utimes if lutimes fails due to ENOSYS	Shea Levy	1	-0/+2

2012-10-23	If hashes do not match, print them in base-32 for SHA-1/SHA-256	Eelco Dolstra	1	-1/+1
	Fixes #57.
2012-10-11	Shorten the names of temporary build directories	Eelco Dolstra	1	-1/+1

2012-10-04	nix-store --verify: Continue on errors	Eelco Dolstra	1	-2/+4

2012-10-04	Fix regular expression	Eelco Dolstra	1	-1/+1
	http://hydra.nixos.org/build/3123177
2012-10-03	Drop support for running nix-worker in "slave" mode	Eelco Dolstra	1	-55/+3
	AFAIK nobody uses this, setuid binaries are evil, and there is no good reason why people can't just run the daemon.
2012-10-03	Remove bin2c	Eelco Dolstra	2	-1/+3

2012-10-03	nix-env: Support ‘--repair’ flag	Eelco Dolstra	1	-2/+4

2012-10-03	Add a ‘--repair’ flag to nix-instantiate	Eelco Dolstra	7	-21/+25
	This allows repairing corrupted derivations and other source files.
2012-10-03	Handle repairing paths that are in build-chroot-dirs	Eelco Dolstra	1	-0/+7

2012-10-03	When repairing a derivation, check and repair the entire output closure	Eelco Dolstra	3	-6/+91
	If we find a corrupted path in the output closure, we rebuild the derivation that produced that particular path.
2012-10-02	Add a --repair flag to ‘nix-store -r’ to repair derivation outputs	Eelco Dolstra	6	-63/+113
	With this flag, if any valid derivation output is missing or corrupt, it will be recreated by using a substitute if available, or by rebuilding the derivation. The latter may use hash rewriting if chroots are not available.
2012-10-02	nix-store --verify: Add an option ‘--repair’ to repair all ↵	Eelco Dolstra	2	-8/+24
	missing/corrupt paths Also, return a non-zero exit code if errors remain after verifying/repairing.
2012-10-02	Add operation ‘nix-store --repair-path’	Eelco Dolstra	2	-28/+71
	This operation allows fixing corrupted or accidentally deleted store paths by redownloading them using substituters, if available. Since the corrupted path cannot be replaced atomically, there is a very small time window (one system call) during which neither the old (corrupted) nor the new (repaired) contents are available. So repairing should be used with some care on critical packages like Glibc.
2012-09-28	Handle octal escapes in /proc/self/mountinfo	Eelco Dolstra	1	-2/+3

2012-09-28	Print a more descriptive error message if setting up the build environment fails	Eelco Dolstra	1	-3/+14

2012-09-25	Make the store writable before creating /nix/store/.links	Eelco Dolstra	1	-2/+1

2012-09-25	Merge branch 'readonly-store'	Eelco Dolstra	6	-99/+92

2012-09-25	Include <sys/types.h> for off_t	Eelco Dolstra	1	-0/+1
	Reported by "gio" on IRC.
2012-09-19	Remove setting of the immutable bit	Eelco Dolstra	3	-70/+33
	Using the immutable bit is problematic, especially in conjunction with store optimisation. For instance, if the garbage collector deletes a file, it has to clear its immutable bit, but if the file has additional hard links, we can't set the bit afterwards because we don't know the remaining paths. So now that we support having the entire Nix store as a read-only mount, we may as well drop the immutable bit. Unfortunately, we have to keep the code to clear the immutable bit for backwards compatibility.
2012-09-19	Support having /nix/store as a read-only bind mount	Eelco Dolstra	2	-0/+41
	It turns out that the immutable bit doesn't work all that well. A better way is to make the entire Nix store a read-only bind mount, i.e. by doing $ mount --bind /nix/store /nix/store $ mount -o remount,ro,bind /nix/store (This would typically done in an early boot script, before anything from /nix/store is used.) Since Nix needs to be able to write to the Nix store, it now detects if /nix/store is a read-only bind mount and then makes it writable in a private mount namespace.
2012-09-19	Templatise tokenizeString()	Eelco Dolstra	4	-29/+18

2012-09-18	Keep build directory if not all expected outputs were produced	Eelco Dolstra	1	-3/+3
	Fixes issue #123 in Nixpkgs.
2012-09-13	RemoteStore::connectToDaemon(): Set close-on-exec flag	Eelco Dolstra	1	-0/+1
	This ensures that "nix-build --run-env" doesn't keep a connection to the worker open, preventing it from exiting.
2012-09-13	Vacuum the SQLite DB after running the garbage collector	Eelco Dolstra	3	-0/+12

2012-09-13	Delete paths in a component in topologically sorted order	Eelco Dolstra	1	-1/+3
	The outputs of a derivation can refer to each other (even though they cannot have cycles), so they have to be deleted in the right order. http://hydra.nixos.org/build/3026118
2012-09-13	Disable auto store optimisation for now	Eelco Dolstra	1	-1/+1
	I've seen operations like "nix-store --import" take much longer on one system. So default to off until I've investigated this a bit further.
2012-09-13	In startBuilder(), only print the new paths we're building	Eelco Dolstra	1	-2/+3

2012-09-12	Handle gc-keep-outputs and gc-keep-derivations both enabled	Eelco Dolstra	1	-94/+97
	If the options gc-keep-outputs and gc-keep-derivations are both enabled, you can get a cycle in the liveness graph. There was a hack to handle this, but it didn't work with multiple-output derivations, causing the garbage collector to fail with errors like ‘error: cannot delete path `...' because it is in use by `...'’. The garbage collector now handles strongly connected components in the liveness graph as a unit and decides whether to delete all or none of the paths in an SCC.
2012-09-12	Build hook: Pass the timeout to the remote builder	Eelco Dolstra	1	-1/+1
	Note that this will only work if the client has a very recent Nix version (post 15e1b2c223494ecb5efefc3ea0e3b926a6b1d7dc), otherwise the --option flag will just be ignored. Fixes #50.