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496 commits

Author SHA1 Message Date
Eelco Dolstra
4c356acd04 * In `nix-store --export', abort if the contents of a path has 
changed.  This prevents corrupt paths from spreading to other
  machines.  Note that checking the hash is cheap because we're
  hashing anyway (because of the --sign feature).
 2010-03-09 14:32:03 +00:00
Eelco Dolstra
44f6e6de77 * Set gc-keep-outputs' or gc-keep-derivations' to false with 
`--delete --ignore-liveness'.
 2010-03-08 21:31:42 +00:00
Eelco Dolstra
2e4ef03aa3 * Increase the sqlite timeout. 2010-03-08 10:35:45 +00:00
Eelco Dolstra
bc6f7fc139 * Remove some unused functions. 2010-03-04 13:03:26 +00:00
Eelco Dolstra
3f9e647ae8 * checkInterrupt() shouldn't be called from a destructor. 2010-03-02 19:04:17 +00:00
Eelco Dolstra
594eaddd11 * When using the included sqlite/aterm libraries, build with 
--enable-shared.
* In libutil/libstore/libexpr etc., link against sqlite and aterm.
* Some more header file hygiene.
 2010-03-02 15:58:13 +00:00
Eelco Dolstra
24035b98b1 * Implement RemoteStore::queryValidPaths(). 2010-02-26 12:05:01 +00:00
Eelco Dolstra
e42401ee7b * Implement RemoteStore::queryDerivationOutputs(). 2010-02-25 15:52:22 +00:00
Eelco Dolstra
af565c348a * Support read-only access to the database. 2010-02-24 16:44:43 +00:00
Eelco Dolstra
e33f67ff0b * Refactor the upgrade / database initialisation logic a bit. 2010-02-24 16:30:20 +00:00
Eelco Dolstra
cfe742cfc5 * A function to query just the database id of a valid path. 2010-02-24 15:07:23 +00:00
Eelco Dolstra
6baa2a2f5e 2010-02-24 14:39:52 +00:00
Eelco Dolstra
9fd85c94de * Use `truncate' journal mode, which should be a bit faster. 2010-02-24 14:22:34 +00:00
Eelco Dolstra
a3c63d0d6c * Disable fsync() in SQLite if the fsync-metadata option is set to 
false.
* Change the default for `fsync-metadata' to true.
* Disable `fsync-metadata' in `make check'.
 2010-02-24 13:12:57 +00:00
Eelco Dolstra
90b6352d0a * Do registerValidPaths() in one transaction, which is much faster. 
E.g. it cuts the runtime of the referrers test from 50s to 23s.
 2010-02-24 12:48:00 +00:00
Eelco Dolstra
fae0427324 * ADDITIONAL_NETWORK_LIBS -> LIBS. 2010-02-24 12:25:48 +00:00
Eelco Dolstra
fa6a4fcb11 * Add ${sqlite_lib} everywhere. Just adding it in `libstore' doesn't 
work on x86_64 when sqlite is compiled statically.
 2010-02-24 12:18:48 +00:00
Eelco Dolstra
462bd50aef * Use normal (rather than full) synchronous mode, which I gather from 
the description at http://www.sqlite.org/atomiccommit.html should be
  safe enough.
 2010-02-24 10:57:57 +00:00
Eelco Dolstra
63b09c5e41 2010-02-23 22:31:38 +00:00
Eelco Dolstra
b4e6d98fc3 * configure: flag --with-sqlite. 2010-02-23 22:12:46 +00:00
Eelco Dolstra
2b20318b0e 2010-02-22 14:24:37 +00:00
Eelco Dolstra
9cda616949 * The database needs a trigger to get rid of self-references to 
prevent a foreign key constraint violation on the Refs table when
  deleting a path.
 2010-02-22 14:18:55 +00:00
Eelco Dolstra
c4d388add4 * Get derivation outputs from the database instead of the .drv file, 
which requires more I/O.
 2010-02-22 12:44:36 +00:00
Eelco Dolstra
103cfee056 * Revert r19650 (implement gc-keep-outputs by looking for derivations 
with the same name as the output) and instead use the
  DerivationOutputs table in the database, which is the correct way to
  to do things.
 2010-02-22 11:44:17 +00:00
Eelco Dolstra
299ff64812 * Put the derivation outputs in the database. This is useful for the 
garbage collector.
 2010-02-22 11:15:50 +00:00
Eelco Dolstra
1930570ad9 * Foreign key support in SQLite is not a persistent setting, so enable 
it at startup.
* Implement negative caching.  Now `make check' passes.
 2010-02-19 17:15:22 +00:00
Eelco Dolstra
9c9a88e9e2 * Implement more stuff. 2010-02-19 16:43:25 +00:00
Eelco Dolstra
762cee72cc * Implement registerValidPath(). 2010-02-19 16:04:51 +00:00
Eelco Dolstra
268f9aaf28 * Implemented queryValidPaths() and verifyStore(). 2010-02-18 16:51:27 +00:00
Eelco Dolstra
836e5b6f57 * Implemented queryReferrers(). 2010-02-18 16:21:59 +00:00
Eelco Dolstra
77cb9e3fb1 * Implement queryPathInfo(). 2010-02-18 15:52:57 +00:00
Eelco Dolstra
885e22b16e * Implement isValidPath(). 2010-02-18 15:11:08 +00:00
Eelco Dolstra
cfb09e0fad * Automatically abort transactions if they go out of scope without 
committing.
 2010-02-18 14:40:07 +00:00
Eelco Dolstra
e0305bb7a8 * Some wrapper objects to ensure that SQLite objects are properly 
destroyed.
 2010-02-18 14:30:42 +00:00
Eelco Dolstra
a053d2d8e5 * Add the deriver to the ValidPaths table. In principle we could now 
store all the derivers of a path efficiently.  But that opens a big
  can of worms with respect to garbage collector semantics.
 2010-02-18 13:48:18 +00:00
Eelco Dolstra
dbddac0fe9 * Assign an integer id to every row in the ValidPaths table in order 
to make the Refs table more space-efficient.  For instance, this
  reduces the size of the database on my laptop from 93 MiB to 18
  MiB.  (It was 72 MiB with the old schema on an ext3 disk with a 1
  KiB block size.)
 2010-02-18 13:40:46 +00:00
Eelco Dolstra
c1a07f9445 * Convert the Nix database to SQLite. 2010-02-18 13:16:59 +00:00
Eelco Dolstra
4e17be7981 * Revert r19797, and use a simpler solution: just don't monitor build 
hooks for silence.  It's unnecessary because the remote nix-store
  command is already monitoring the real build.
 2010-02-03 21:38:41 +00:00
Eelco Dolstra
f859a8d3c3 * While waiting for a lock, print a sign of life every 5 minutes. 
This prevents remote builders from being killed by the
  `max-silent-time' inactivity monitor while they are waiting for a
  long garbage collection to finish.  This happens fairly often in the
  Hydra build farm.
 2010-02-03 21:22:57 +00:00
Eelco Dolstra
4bbbe25802 * Remove most Cygwin-specific code. Cygwin 1.7 implements advisory 
POSIX locks, and simulates Unix-style file deletion semantics
  sufficiently.  Note that this means that Nix won't work on Cygwin
  1.5 anymore.
 2010-02-02 15:28:36 +00:00
Eelco Dolstra
07ffdc2862 * Added an option "fsync-metadata" to fsync() changes to 
/nix/var/nix/db.
* Removed the function writeStringToFile since it does (almost) the
  same thing as writeFile.
 2010-01-29 12:22:58 +00:00
Eelco Dolstra
ad529fb89f * Don't consider a store path valid if its info file exists but is 
zero bytes long.  That makes Nix more robust in case of crashes
  (especially on ext4).
 2010-01-29 11:53:58 +00:00
Eelco Dolstra
fdcaf37361 * Made `nix-store -qR --include-outputs' much faster if there are 
multiple paths specified on the command line (from O(n * m) to O(n +
  m), where n is the number of arguments and m is the size of the
  closure).
 2010-01-25 17:18:44 +00:00
Eelco Dolstra
5388944e8d * Make the garbage collector do the right thing when `gc-keep-outputs' 
is enabled by not depending on the deriver.
 2010-01-25 16:04:32 +00:00
Eelco Dolstra
ef92a14bfe * Include config.h before the C library headers, because it defines 
_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.)
 2009-12-17 14:12:44 +00:00
Eelco Dolstra
945d8218fb * Build correctly against newer ATerm releases. Fixes "error: 'union' 
tag used in naming 'struct _ATerm'".
 2009-12-16 15:29:50 +00:00
Eelco Dolstra
bcd6cdf0d8 * Give a better error message when trying to build something and 
readOnlyMode is set.
 2009-12-09 17:45:22 +00:00
Eelco Dolstra
f9e766db98 * Randomise the order in which we delete entries to make the collector 
less biased towards deleting paths that come alphabetically first
  (e.g. /nix/store/000...).  This matters when using --max-freed etc.
 2009-11-24 09:53:18 +00:00
Eelco Dolstra
ca50c83fbb 2009-11-23 21:21:29 +00:00
Eelco Dolstra
ae6bf87273 * `nix-store --gc --print-roots': also print the path of the actual 
root symlink, not just its target.  E.g.:

  /nix/var/nix/profiles/system-99-link -> /nix/store/76kwf88657nq7wgk1hx3l1z5q91zb9wd-system
 2009-11-23 17:23:12 +00:00