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Eelco Dolstra 0791282b2f * Substitutes and nix-pull now work again. 
* Fixed a segfault caused by the buffering of stderr.
* Fix now allows the specification of the full output path.  This
  should be used with great care, since it by-passes the normal hash
  generation.
* Incremented the version number to 0.4 (prerelease).
 2003-10-16 16:29:57 +00:00
Eelco Dolstra c78bf11524 * Enable buffering of stderr in C++. 2003-10-16 11:55:37 +00:00
Eelco Dolstra f7c7aad135 * Upgraded to Berkeley DB 4.1.25 and do not synchronously flush the 
log on commit.  This means that there is a small change that some
  transactions may be rolled back in case of a system crash, but this
  should not be a problem (it merely might cause some expression
  realisations to be rolled back), and it vastly improves performance.

* Upgraded to ATerm 2.0.5 (which also includes Armijn's 64-bit
  patches).
 2003-10-16 08:52:44 +00:00
Eelco Dolstra 181aa3dc41 * Don't sort the result of `--query --list'. 2003-10-16 08:06:19 +00:00
Eelco Dolstra ebff82222c * Refactoring: move all database manipulation into store.cc. 
* Removed `--query --generators'.
 2003-10-15 12:42:39 +00:00
Eelco Dolstra c190f051ac * Automatically recover the database in case of a crash. 2003-10-14 15:33:00 +00:00
Eelco Dolstra 1d61e473c8 * New query `nix --query --predecessors' to print the predecessors of 
a Nix expression.
 2003-10-10 15:25:21 +00:00
Eelco Dolstra 0abe185688 * `nix --verify': check and repair reverse mapping for successors. 2003-10-10 15:14:29 +00:00
Eelco Dolstra d3d5e77810 * Reverse mappings for the successor and substitute mappings. 2003-10-10 14:46:28 +00:00
Eelco Dolstra 1eb4da156c * Performance improvement: don't register already registered terms, 
thus greatly reducing the number of db transactions.
 2003-10-10 13:22:29 +00:00
Eelco Dolstra 6baa2c4420 * Get rid of identifiers since they are redundant now. This greatly 
simplifies stuff.

* The format of Nix expressions and the database schema changed
  because of this, so it's best to delete old Nix installations.
 2003-10-08 15:06:59 +00:00
Eelco Dolstra b9f4942bd2 * string -> Path. 2003-10-07 14:37:41 +00:00
Eelco Dolstra 5d4171f7fb * Synchronise terminology with the ICSE paper (e.g., slice -> closure, 
fstate -> Nix expression).
* Fix src/test.cc.
 2003-10-07 12:27:49 +00:00
Eelco Dolstra e78f753aa8 * Include the right files in a distribution. 2003-10-02 12:22:19 +00:00
Eelco Dolstra 4193d62e08 * Nix now respects $TMPDIR for the creation of temporary build directories. 
* Retry creation of a temporary directory (with a different name) in the 
  case of EEXIST.
 2003-10-02 11:55:38 +00:00
Eelco Dolstra 1c7d6bf5fc * Removed references to char_traits so that boost/format also works on 
GCC 2.95.
 2003-09-11 10:23:55 +00:00
Eelco Dolstra d930a9bc5a * Added some missing #includes. 2003-09-11 08:31:29 +00:00
Eelco Dolstra 803a924b77 * Make nicer dot graphs. Also show the inner structure of slices. 2003-09-03 14:49:58 +00:00
Eelco Dolstra c0bbed0959 * Factored out dot graph generation into a separate file. 2003-09-03 11:20:18 +00:00
Eelco Dolstra 0d2bc68681 * Do not show the output of the builder unless the verbosity is at 
least at debug level (-vvv).  The output is still appended to the 
  build log in /nix/var/log/nix.
 2003-08-29 13:12:30 +00:00
Eelco Dolstra b018517314 * Do not try to remove write permission from symlinks, since chmod() 
follows symlinks.  (Note that the permissions on symlinks are
  ignored anyway.)
 2003-08-28 10:51:14 +00:00
Eelco Dolstra 31be53cd0a * Fix the atrocious (exponential? factorial?) time complexity in 
`nix --query --requisites'.
 2003-08-25 14:56:11 +00:00
Eelco Dolstra a88144215c * Remove write permission from output paths after they have been built. 
* Point $HOME to a non-existing path when building to prevent certain tools (such as 
  wget) from falling back on /etc/passwd to locate the home directory (which we 
  don't want them to look at since it's not declared as an input).
 2003-08-22 20:12:44 +00:00
Eelco Dolstra 956801fcc2 * Use maps and sets in the FState data type. This ensures normalisation of 
slices and derivations w.r.t. order of paths, slice elements, etc.
 2003-08-20 14:11:40 +00:00
Eelco Dolstra 624c48260f * Change the abstract syntax of slices. It used to be that ids were used as 
keys to reference slice elements, e.g.,

    Slice(["1ef7..."], [("/nix/store/1ef7...-foo", "1ef7", ["8c99..."]), ...])

  This was wrong, since ids represent contents, not locations.  Therefore we
  now have:

    Slice(["/nix/store/1ef7..."], [("/nix/store/1ef7...-foo", "1ef7", ["/nix/store/8c99-..."]), ...])

* Fix a bug in the computation of slice closures that could cause slice
  elements to be duplicated.
 2003-08-20 12:39:56 +00:00
Eelco Dolstra ed0db2e0d8 * Fixed a serious bug in the computation of slices. Sometimes the slices 
would not be properly closed under the path reference relation.
 2003-08-20 11:30:45 +00:00
Eelco Dolstra 1472cc4825 * Pipe /dev/null into stdin. 2003-08-19 13:07:38 +00:00
Eelco Dolstra 2de8504791 * Delete the temporary directories of failed builds by default, and an 
option `--keep-failed' to override this behaviour.
 2003-08-19 09:04:47 +00:00
Eelco Dolstra 31e4aa6439 * Allow lists in package bindings, e.g., 
("srcs", [Relative("foo/bar.c"), Relative("foo/baz.h")])

  The result is an environment variable that contains the path names of the
  inputs separated by spaces (so this is not safe for values containing
  spaces).
 2003-08-18 16:32:55 +00:00
Eelco Dolstra ebbb6ce578 * Most shells initialise PATH to some default (/bin:/usr/bin:...) 
when PATH is not set.  We don't want this, so fill it in with
  some dummy value.
 2003-08-18 14:54:54 +00:00
Eelco Dolstra 96c7b98bf0 * Argument support in Fix. Arguments can be passed through the 
builder using the `args' binding:

  ("args", ["bla", True, IncludeFix("aterm/aterm.fix")])

  Note that packages can also be declared as inputs by specifying them
  in the argument list.
 2003-08-15 13:01:45 +00:00
Eelco Dolstra 555347744d * Derivation expressions now can specify arguments to be passed to the 
builder.  Note that this unfortunately causes all Fix-computed
  hashes to change.
 2003-08-15 12:32:37 +00:00
Eelco Dolstra 163db7367f * Fix can now read expressions from stdin (by saying `fix -'). 2003-08-15 09:21:19 +00:00
Eelco Dolstra dc0ef2ca98 * Detect infinite loops using blackholing. 2003-08-14 12:37:31 +00:00
Eelco Dolstra 5cde23f869 * Function() takes a list of formals. 2003-08-14 09:49:31 +00:00
Eelco Dolstra 0a2de7f543 * Lam -> Function. Doh! 2003-08-14 09:29:07 +00:00
Eelco Dolstra c602930e08 * deletePath(): some operating systems (e.g., Mac OS X) don't like it 
when we delete entries from a directory while we are reading it.
  So read the directory into memory, then delete its contents.
 2003-08-08 14:55:56 +00:00
Eelco Dolstra 236eb59293 * Allow locks on paths to be acquired recursively (that is, if the 
process is already holding a lock on a path, it may acquire the lock
  again without blocking or failing).  (This might be dangerous, not
  sure).  Necessary for fast builds to work.
 2003-08-06 09:34:04 +00:00
Eelco Dolstra 720f06e3b0 * A flag `--flat' to just compute the MD5 checksum of the contents of 
a regular file.  I.e., `nix-hash --flat' is equivalent to the
  coreutils `md5sum' command (which doesn't exist on all systems).
 2003-08-06 09:06:32 +00:00
Eelco Dolstra 37483672d4 * App -> Call. 
* Allow booleans in package environment bindings (True maps to "1",
  False maps to "").
 2003-08-06 09:05:04 +00:00
Eelco Dolstra d34b4d4f28 * Conditionals. 2003-08-05 13:05:30 +00:00
Eelco Dolstra 4ce652640b * Cache result of fstatePaths(). TODO: do this in fstore.cc. 2003-08-05 12:29:47 +00:00
Eelco Dolstra 17f05dba77 * Allow the top-level expression to be a list of expressions that 
normalise to Nix expression.
 2003-08-05 11:13:38 +00:00
Eelco Dolstra d6b6b2d3a8 * Delete obstructed paths prior to building. 2003-08-05 09:47:20 +00:00
Eelco Dolstra d2e963f7a3 * Path locking in addToStore() and expandPath(). 2003-08-04 07:09:36 +00:00
Eelco Dolstra c95b4ad290 * In normaliseFState(), wrap registration of the output paths and the 
normal form in a single transaction to ensure that if we crash,
  either everything is registered or nothing is.  This is for
  recoverability: unregistered paths in the store can be deleted
  arbitrarily, while registered paths can only be deleted by running
  the garbage collector.
 2003-08-01 15:41:47 +00:00
Eelco Dolstra d99d04e644 * Defensive programming against POSIX locking idiocy. 
* Simplified realiseSlice().
 2003-08-01 15:06:23 +00:00
Eelco Dolstra 545145cd58 * normaliseFState() now locks all output paths prior to building, thus 
ensuring that simultaneous invocations of Nix don't clobber
  each other's  builds.

* Fixed a bug in `make install'.
 2003-08-01 14:11:19 +00:00
Eelco Dolstra 9df93f30bd * Don't use substitutes in addToStore(). 2003-08-01 09:01:51 +00:00
Eelco Dolstra 06434072e7 * Put the database verifier in a transaction. 2003-07-31 19:49:11 +00:00