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Author SHA1 Message Date
Eelco Dolstra
f794465ca8 Disable use of vfork() 
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 19:35:18 +01:00
Eelco Dolstra
8541d27fce Don't use std::cerr in a few places 
Slightly scared of using std::cerr in a vforked process...
 2012-11-15 15:01:02 +01:00
Eelco Dolstra
3acc8adcad Add some debug code 2012-11-15 13:55:02 +01:00
Eelco Dolstra
ea89df2b76 Use vfork() instead of fork() if available 
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 18:00:33 +01:00
Eelco Dolstra
48c19c4633 Remove definition of non-existant function 2012-11-09 17:59:41 +01:00
Eelco Dolstra
198dbe7fa1 Remove some redundant close() calls 
They are unnecessary because we set the close-on-exec flag.
 2012-11-09 16:58:51 +01:00
Eelco Dolstra
10dcee99ed Remove the quickExit function 2012-11-09 16:42:10 +01:00
Eelco Dolstra
4c9e3fa641 Remove a Darwin hack that should no longer be needed 2012-11-09 16:35:42 +01:00
Eelco Dolstra
182e15b661 Manual: Don't use a store path in our closure 
http://hydra.nixos.org/build/3313227
 2012-11-09 16:30:15 +01:00
Eelco Dolstra
88164325fa Fix a segfault when auto-calling a "a@{...}" function 
Since the called function can return its argument attribute set
(e.g. "a"), the latter should not be allocated on the stack.

Reported by Shea.
 2012-11-09 15:09:31 +01:00
Eelco Dolstra
f581ce0b0c Don't start copy-from-other-stores if $NIX_OTHER_STORES is unset 
Slight optimisation.
 2012-11-09 14:58:10 +01:00
Eelco Dolstra
91ef4d9a81 Remove unnecessary call to closeMostFDs() 
We have close-on-exec on all FDs now, and there is no security risk in
passing open FDs to substituters anyway.
 2012-11-09 14:43:47 +01:00
Eelco Dolstra
a9a8baaccb Use a shorter Nixpkgs channel URL 2012-11-09 13:33:35 +01:00
Eelco Dolstra
c31ebc50aa Update release notes 2012-11-09 13:33:24 +01:00
Eelco Dolstra
e28b683324 download-from-binary-cache: Try next cache if downloading a NAR fails 2012-11-06 17:55:53 +01:00
Eelco Dolstra
bbc107ef1e Process binary caches in order of priority 
Binary caches can now specify a priority in their nix-cache-info file.
The binary cache substituter checks caches in order of priority.  This
is to ensure that fast, static caches like nixos.org/binary-cache are
processed before slow, dynamic caches like hydra.nixos.org.
 2012-11-06 17:45:20 +01:00
Eelco Dolstra
3a95e1a17c Update nix-push manpage and document the binary cache format 2012-11-06 15:49:53 +01:00
Eelco Dolstra
82951e5582 nix-push: Handle pushing a symlink 2012-11-06 13:53:53 +01:00
Eelco Dolstra
620e92e880 Add an option ‘use-binary-caches’ 
This allows disabling the use of binary caches, e.g.

  $ nix-build ... --option use-binary-caches false

Note that

  $ nix-build ... --option binary-caches ''

does not disable all binary caches, since the caches defined by
channels will still be used.
 2012-11-06 13:44:59 +01:00
Eelco Dolstra
df27db712d Fix "Not an ARRAY reference" error 
It's a mystery why this error is not triggered in the build farm
(e.g. http://hydra.nixos.org/build/3265602).  Ah well.
 2012-11-06 13:43:46 +01:00
Shea Levy
d0fc615af6 canonicalizePathMetaData: Fall-back to utimes if lutimes fails due to ENOSYS 2012-11-06 11:29:59 +01:00
Eelco Dolstra
4c34d384e6 If hashes do not match, print them in base-32 for SHA-1/SHA-256 
Fixes #57.
 2012-10-23 18:05:50 +02:00
Eelco Dolstra
a28b4445a4 nix-prefetch-url: Improve option handling 2012-10-23 18:04:11 +02:00
Shea Levy
2980d1fba9 prim_toPath: Actually make the string a path 2012-10-23 16:39:35 +02:00
Eelco Dolstra
dde6486eab nix-push: Add a flag ‘--manifest-path’ to write the manifest to another directory 2012-10-18 10:36:16 -04:00
Eelco Dolstra
c8daeba303 nix-push: Add ‘--link’ flag 
If ‘--link’ is given, nix-push will create hard links to the NAR files
in the store, rather than copying them.  This is faster and requires
less disk space.  However, it doesn't work if the store is on a
different file system.
 2012-10-17 17:01:23 -04:00
Eelco Dolstra
167e36a5c3 nix-push: Only generate and copy a NAR if it doesn't already exist 
This prevents unnecessary and slow rebuilds of NARs that already exist
in the binary cache.
 2012-10-17 16:58:05 -04:00
Eelco Dolstra
ac238d619c Typo 
Reported by Shea.
 2012-10-12 10:21:04 -04:00
Eelco Dolstra
600daf972f download-from-binary-cache: Remove duplicate entries in trustedURLs 2012-10-11 14:21:22 -04:00
Eelco Dolstra
e345182055 Shorten the names of temporary build directories 2012-10-11 14:03:06 -04:00
Mats Erik Andersson
ecedd9c50c Out-of-tree building of perl modules. 2012-10-10 10:28:33 -04:00
Eelco Dolstra
70f75be199 getDerivation(): Don't always quietly ignore assertion failure 
Ignoring assertion failures makes some sense for nix-env -qa, but not
for nix-instantiate/nix-build or hydra-eval-jobs.
 2012-10-04 15:22:25 -04:00
Eelco Dolstra
ad328bea15 XML writer: flush after newlines 
This is useful for hydra-eval-jobs.
 2012-10-04 14:07:36 -04:00
Eelco Dolstra
bfaa5635de Manual: Don't use a store path that actually exists 
http://hydra.nixos.org/build/3124130
 2012-10-04 13:37:30 -04:00
Eelco Dolstra
904f50412c nix-store --verify: Continue on errors 2012-10-04 10:20:23 -04:00
Eelco Dolstra
90b8a34f82 Fix regular expression 
http://hydra.nixos.org/build/3123177
 2012-10-04 09:46:10 -04:00
Eelco Dolstra
d1de836938 Fix the tarball build 2012-10-03 21:01:03 -04:00
Eelco Dolstra
f766e146f4 Fix the test 2012-10-03 18:01:35 -04:00
Eelco Dolstra
e35d6f78dc Rename nix-worker to nix-daemon 2012-10-03 17:59:23 -04:00
Eelco Dolstra
522ecab9b8 Drop support for running nix-worker in "slave" mode 
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 17:30:45 -04:00
Eelco Dolstra
7586095504 Remove bin2c 2012-10-03 16:59:28 -04:00
Eelco Dolstra
a562d544d8 When ‘--help’ is given, just run ‘man’ to show the manual page 
I.e. do what git does.  I'm too lazy to keep the builtin help text up
to date :-)

Also add ‘--help’ to various commands that lacked it
(e.g. nix-collect-garbage).
 2012-10-03 16:40:09 -04:00
Eelco Dolstra
9c41c66c5b Document ‘--repair’ 2012-10-03 15:53:25 -04:00
Eelco Dolstra
2bbc4a214e nix-env: Support ‘--repair’ flag 2012-10-03 15:35:42 -04:00
Eelco Dolstra
2e90a5a2a7 nix-build: Support ‘--repair’ flag 2012-10-03 15:14:02 -04:00
Eelco Dolstra
0a7084567f Add a ‘--repair’ flag to nix-instantiate 
This allows repairing corrupted derivations and other source files.
 2012-10-03 15:09:18 -04:00
Eelco Dolstra
a807edfae8 Handle repairing paths that are in build-chroot-dirs 2012-10-03 11:20:16 -04:00
Eelco Dolstra
a3f205b249 When repairing a derivation, check and repair the entire output closure 
If we find a corrupted path in the output closure, we rebuild the
derivation that produced that particular path.
 2012-10-03 10:38:09 -04:00
Eelco Dolstra
2001895f3d Add a --repair flag to ‘nix-store -r’ to repair derivation outputs 
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 17:13:46 -04:00
Eelco Dolstra
cf46f19444 nix-store -r: Get rid of an unnecessary call to buildPaths/ensurePaths 2012-10-02 16:00:09 -04:00