depot - monorepo for the virus lounge

Age	Commit message (Collapse)	Author	Files	Lines
2013-10-16	Don't wrap read-only queries in a transaction	Eelco Dolstra	1	-6/+0
	There is no risk of getting an inconsistent result here: if the ID returned by queryValidPathId() is deleted from the database concurrently, subsequent queries involving that ID will simply fail (since IDs are never reused).
2013-10-16	Print a distinct warning for SQLITE_PROTOCOL	Eelco Dolstra	1	-4/+8

2013-10-16	Treat SQLITE_PROTOCOL as SQLITE_BUSY	Eelco Dolstra	1	-1/+1
	In the Hydra build farm we fairly regularly get SQLITE_PROTOCOL errors (e.g., "querying path in database: locking protocol"). The docs for this error code say that it "is returned if some other process is messing with file locks and has violated the file locking protocol that SQLite uses on its rollback journal files." However, the SQLite source code reveals that this error can also occur under high load: if( cnt>5 ){ int nDelay = 1; /* Pause time in microseconds / if( cnt>100 ){ VVA_ONLY( pWal->lockError = 1; ) return SQLITE_PROTOCOL; } if( cnt>=10 ) nDelay = (cnt-9)238; /* Max delay 21ms. Total delay 996ms */ sqlite3OsSleep(pWal->pVfs, nDelay); } i.e. if certain locks cannot be not acquired, SQLite will retry a number of times before giving up and returing SQLITE_PROTOCOL. The comments say: Circumstances that cause a RETRY should only last for the briefest instances of time. No I/O or other system calls are done while the locks are held, so the locks should not be held for very long. But if we are unlucky, another process that is holding a lock might get paged out or take a page-fault that is time-consuming to resolve, during the few nanoseconds that it is holding the lock. In that case, it might take longer than normal for the lock to free. ... The total delay time before giving up is less than 1 second. On a heavily loaded machine like lucifer (the main Hydra server), which often has dozens of processes waiting for I/O, it seems to me that a page fault could easily take more than a second to resolve. So, let's treat SQLITE_PROTOCOL as SQLITE_BUSY and retry the transaction. Issue NixOS/hydra#14.
2013-10-14	nix-shell: Fix bash completion	Eelco Dolstra	1	-0/+1
	Nixpkgs's stdenv setup script sets the "nullglob" option, but doing so breaks Bash completion on NixOS (when ‘programs.bash.enableCompletion’ is set) and on Ubuntu. So clear that flag afterwards. Of course, this may break stdenv functions in subtle ways...
2013-10-11	Adjust to the NixOS/Nixpkgs merge	Eelco Dolstra	2	-2/+2

2013-10-08	printStats(): Print the size of the symbol table in bytes	Eelco Dolstra	3	-0/+15

2013-10-08	Deduplicate filenames in Pos	Eelco Dolstra	3	-6/+7
	This saves ~4 MiB of RAM for NixOS system instantiation, and ~18 MiB for "nix-env -qa".
2013-10-08	Treat undefined variable errors consistently	Eelco Dolstra	3	-2/+8
	Previously, a undefined variable inside a "with" caused an EvalError (which can be caught), while outside, it caused a ParseError (which cannot be caught). Now both cause an UndefinedVarError (which cannot be caught).
2013-10-08	Show the exact position of undefined variables	Eelco Dolstra	4	-21/+18
	In particular, undefined variable errors in a "with" previously didn't show any position information, so this should help a lot in those cases.
2013-10-08	Remove some unused functions	Eelco Dolstra	1	-15/+0

2013-10-08	Merge VarRef into ExprVar	Eelco Dolstra	4	-21/+8

2013-10-07	Don't show calls to primops in stack traces	Eelco Dolstra	1	-6/+1
	Since they don't have location information, they just give you crap like: while evaluating the builtin function `getAttr': while evaluating the builtin function `derivationStrict': ...
2013-10-02	Fix segfault in nix-repl / hydra-eval-jobs	Eelco Dolstra	1	-3/+3
	If a "with" attribute set fails to evaluate, we have to make sure its Env record remains unchanged. Otherwise, repeated evaluation gives a segfault: nix-repl> :a with 0; { a = x; b = x; } Added 2 variables. nix-repl> a error: value is an integer while an attribute set was expected nix-repl> b Segmentation fault
2013-10-02	Report OOM errors better	Eelco Dolstra	2	-1/+8

2013-10-02	Fix typo	Eelco Dolstra	1	-1/+1

2013-09-18	build-remote.pl: Don't use substituters on the remote	Eelco Dolstra	1	-1/+1
	It's kinda pointless to check substituters on the remote side, since we just checked them locally.
2013-09-17	RestoreSink: Slightly reduce the number of concurrent FDs	Eelco Dolstra	1	-0/+1

2013-09-10	Version was called 1.6, not 1.6.0	Eelco Dolstra	1	-1/+1

2013-09-10	Bump version number	Eelco Dolstra	1	-1/+1

2013-09-10	Update release notes	Eelco Dolstra	1	-1/+37

2013-09-06	Remove stray debug line	Eelco Dolstra	1	-2/+0

2013-09-06	Don't apply the CPU affinity hack to nix-shell (and other Perl programs)	Eelco Dolstra	5	-7/+11
	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.
2013-09-06	typo	Domen Kožar	1	-1/+1

2013-09-06	nix-shell: Support a .drv as argument	Eelco Dolstra	1	-8/+13
	Fixes #161.
2013-09-03	nix-env -i: Add a flag ‘--remove-all’ / ‘-r’	Eelco Dolstra	2	-17/+39
	This is equivalent to running ‘nix-env -e '*'’ first, except that it happens in a single transaction. Thus, ‘nix-env -i pkgs...’ replaces the profile with the specified set of packages. The main motivation is to support declarative package management (similar to environment.systemPackages in NixOS). That is, if you have a specification ‘profile.nix’ like this: with import <nixpkgs> {}; [ thunderbird geeqie ... ] then after any change to ‘profile.nix’, you can run: $ nix-env -f profile.nix -ir to update the profile to match the specification. (Without the ‘-r’ flag, if you remove a package from ‘profile.nix’, it won't be removed from the actual profile.) Suggested by @zefhemel.
2013-09-03	nix-env: Use wildcard match by default	Eelco Dolstra	2	-13/+8
	That is, you don't need to pass '' anymore, so nix-env -qa is equivalent to nix-env -qa ''
2013-09-03	nix-env: Load files in ~/.nix-defexpr on demand	Eelco Dolstra	3	-3/+18
	So if you do "nix-env -qa -A nixos", then other channels won't be parsed/evaluated at all.
2013-09-03	Check for name collisions in the input Nix expressions	Eelco Dolstra	1	-3/+9

2013-09-03	Work on Values instead of Exprs	Eelco Dolstra	4	-50/+62
	This prevents some duplicate evaluation in nix-env and nix-instantiate. Also, when traversing ~/.nix-defexpr, only read regular files with the extension .nix. Previously it was reading files like .../channels/binary-caches/<name>. The only reason this didn't cause problems is pure luck (namely, <name> shadows an actual Nix expression, the binary-caches files happen to be syntactically valid Nix expressions, and we iterate over the directory contents in just the right order).
2013-09-03	Reformat	Eelco Dolstra	1	-33/+35

2013-09-03	Get rid of the parse tree cache	Eelco Dolstra	6	-34/+35
	Since we already cache files in normal form (fileEvalCache), caching parse trees is redundant. Note that getting rid of this cache doesn't actually save much memory at the moment, because parse trees are currently not freed / GC'ed.
2013-09-02	Add some support code for nix-repl	Eelco Dolstra	3	-12/+26

2013-09-02	Get rid of a signedness warning	Eelco Dolstra	1	-1/+1

2013-09-02	Fix whitespace	Eelco Dolstra	8	-82/+82

2013-09-02	Lower xz compression level	Eelco Dolstra	1	-1/+1
	Fixes #84.
2013-09-02	Manual: Make '' a bit clearer	Eelco Dolstra	1	-6/+6
	Issue #162.
2013-09-02	Fix manual error	Eelco Dolstra	1	-1/+1
	Reported by Matija Šuklje. Fixes #163.
2013-09-02	Update the release notes	Eelco Dolstra	1	-0/+52

2013-09-02	Adda test for build-max-log-size	Eelco Dolstra	2	-14/+11

2013-09-02	Only show trace messages when tracing is enabled	Eelco Dolstra	1	-4/+3

2013-09-02	Add an option to limit the log output of builders	Eelco Dolstra	4	-0/+34
	This is mostly useful for Hydra to deal with builders that get stuck in an infinite loop writing data to stdout/stderr.
2013-08-26	Simplify inherited attribute handling	Shea Levy	7	-38/+46
	This reduces the difference between inherited and non-inherited attribute handling to the choice of which env to use (in recs and lets) by setting the AttrDef::e to a new ExprVar in the parser rather than carrying a separate AttrDef::v VarRef member. As an added bonus, this allows inherited attributes that inherit from a with to delay forcing evaluation of the with's attributes. Signed-off-by: Shea Levy <shea@shealevy.com>
2013-08-26	Fix nix-shell command	Ivan Kozik	1	-1/+1

2013-08-26	Fix typos, especially those that end up in the Nix manual	Ivan Kozik	18	-34/+34

2013-08-26	Fix personality switching from x86_64 to i686	Gergely Risko	1	-1/+6
	On Linux, Nix can build i686 packages even on x86_64 systems. It's not enough to recognize this situation by settings.thisSystem, we also have to consult uname(). E.g. we can be running on a i686 Debian with an amd64 kernel. In that situation settings.thisSystem is i686-linux, but we still need to change personality to i686 to make builds consistent.
2013-08-23	Manual: Don't use actual hashes of Nix dependencies	Eelco Dolstra	1	-2/+2
	These cause an unnecessary runtime dependency :-)
2013-08-21	Fix corrupt PNG	Eelco Dolstra	1	-0/+0
	Libpng used to accept this, but no longer does.
2013-08-21	Hack to clean up tests/test-tmp	Eelco Dolstra	1	-0/+5

2013-08-19	Store Nix integers as longs	Eelco Dolstra	9	-23/+25
	So on 64-bit systems, integers are now 64-bit. Fixes #158.
2013-08-19	Turn on -Wall	Eelco Dolstra	1	-2/+2