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Eelco Dolstra beda10f5a2 * Make perl a dependency of Nix. 2004-03-15 15:23:53 +00:00
Eelco Dolstra a5619f1dff * Set the NIX_STORE and NIX_BUILD_TOP environment variables in 
builders to point to the store and the temporary build directory,
  respectively.  Useful for purity checking.
* Also set TEMPDIR, TMPDIR, TEMP, and TEMP to NIX_BUILD_TOP to make
  sure that tools in the builder store temporary files in the right
  location.
 2004-03-12 10:45:08 +00:00
Eelco Dolstra 7f0ed370da * Use $(storedir) instead of $(prefix)/store. 2004-02-20 11:32:30 +00:00
Eelco Dolstra dbf547645d * Resolve an ambiguity between ifs and attribute selection, e.g., `if 
b then x else y.z'.
 2004-02-19 13:11:12 +00:00
Eelco Dolstra 86b7efbdbe * Don't build ATerm library if we don't need to. 2004-02-16 16:48:06 +00:00
Eelco Dolstra 0dfdafdf6d * Allow linking against an external Berkeley DB / ATerm library. 2004-02-16 16:37:16 +00:00
Eelco Dolstra f34de12140 * Allow the location of the store to be specified (--with-store-dir). 
* Do not create stuff in localstatedir when doing `make install'
  (since we may not have write access).  In general, installation of
  constant code/data should be separate from the initialisation of
  mutable state.
 2004-02-16 15:23:19 +00:00
Eelco Dolstra fbc48a469c * Inherited attributes in recursive attribute sets are in scope of the 
non-inherited attributes.
 2004-02-16 09:18:35 +00:00
Eelco Dolstra 76c0e85929 * The environment variable NIX_ROOT can now be set to execute Nix in a 
chroot() environment.
* A operation `--validpath' to register path validity.  Useful for
  bootstrapping in a pure Nix environment.
* Safety checks: ensure that files involved in store operations are in
  the store.
 2004-02-14 21:44:18 +00:00
Eelco Dolstra 6f5a5ea5ea * Regression fix: realise substitutes and detect cycles. 2004-02-13 10:45:09 +00:00
Eelco Dolstra 1ad9d11247 * Only include predecessors that are themselves being pushed. 
Otherwise the substitute mechanism can break in subtle ways.
 2004-02-13 10:43:31 +00:00
Eelco Dolstra 00fe1a506f * When creating a new generation, also make the normal form of the 
derivation (i.e., the closure store expression) a root of the
  garbage collector.  This ensures that running `nix-collect-garbage
  --no-successors' is safe.
 2004-02-11 10:25:31 +00:00
Eelco Dolstra 92e832348d * Lots of manual stuff. Reference pages for most Nix commands. 
* nix-pull now requires the full url to the manifest, i.e.,
  `/MANIFEST/' is no longer automatically appended.
* nix-prefetch-url works again.
 2004-02-10 16:14:47 +00:00
Eelco Dolstra 6551b36790 * Print what generation we are switching to; honour --dry-run flag. 2004-02-10 13:42:58 +00:00
Eelco Dolstra 0616b7feea * Documented the most important nix-env flags. 2004-02-10 11:51:16 +00:00
Eelco Dolstra 618aa69b01 * In --upgrade': added flags --lt', --leq', --always' to specify 
whether we want to upgrade if the current version is less than the
  available version (default), when it is less or equal, or always.
  
* Added a flag `--dry-run' to show what would happen in `--install',
  `--uninstall', and `--upgrade', without actually performing the
  operation.
 2004-02-09 11:59:39 +00:00
Eelco Dolstra 06a75a7e0c * A command `--switch-generation' to switch to a specific generation 
of the current profile, e.g.,

    $ nix-env --list-generations
    ...
    39   2004-02-02 17:53:53
    40   2004-02-02 17:55:18
    41   2004-02-02 17:55:41
    42   2004-02-02 17:55:50   (current)

    $ nix-env --switch-generation 39

    $ ls -l /nix/var/nix/profiles/default
    ... default -> default-39-link

* Also a command `--rollback' which is just a convenience operation to
  rollback to the oldest generation younger than the current one.

  Note that generations properly form a tree.  E.g., if after
  switching to generation 39, we perform an installation action,
  a generation 43 is created which is a descendant of 39, not 42.  So
  a rollback from 43 ought to go back to 39.  This is not currently
  implemented; generations form a linear sequence.
 2004-02-08 14:07:43 +00:00
Eelco Dolstra b8675aee54 * In `--list-generations', show what the current generation is. 2004-02-06 16:16:55 +00:00
Eelco Dolstra 73ab2ed4fd * A command `--list-generations' to show all generations for a 
profile.
 2004-02-06 16:03:27 +00:00
Eelco Dolstra 7c0fa4474f * More refactoring. 2004-02-06 14:57:10 +00:00
Eelco Dolstra 7abf9911d9 * Refactoring. 2004-02-06 14:49:41 +00:00
Eelco Dolstra 49bafe1faf * Use the profile pointed to by ~/.nix-profile if no --profile 
argument is specified.
 2004-02-06 10:59:06 +00:00
Eelco Dolstra 66e94d3275 * Improvements to profiles. Generations are now per-profile, e.g., 
default -> default-94-link
  default-82-link -> /nix/store/cc4480...
  default-83-link -> /nix/store/caeec8...
  ...
  default-94-link -> /nix/store/2896ca...
  experimental -> experimental-2-link
  experimental-1-link -> /nix/store/cc4480...
  experimental-2-link -> /nix/store/a3148f...

* `--profile' / `-p' -> `--switch-profile' / `-S'
* `--link' / `-l' -> `--profile' / `-p'
* The default profile is stored in $prefix/var/nix/profiles.
  $prefix/var/nix/links is gone.  Profiles can be stored anywhere.
* The current profile is now referenced from ~/.nix-profile, not
  ~/.nix-userenv.
* The roots to the garbage collector now have extension `.gcroot', not
  `.id'.
 2004-02-06 10:30:20 +00:00
Eelco Dolstra d445da7a7b * Extended the `inherit' syntax to optionally select attributes from 
other attribute sets, rather than the current scope.  E.g.,
  
    {inherit (pkgs) gcc binutils;}

  is equivalent to

    {gcc = pkgs.gcc; binutils = pkgs.binutils;}

  I am not so happy about the syntax.
 2004-02-04 17:23:26 +00:00
Eelco Dolstra 9d25466b34 * An attribute set update operator (//). E.g., 
{x=1; y=2; z=3;} // {y=4;}  =>  {x=1; y=4; z=3;}
 2004-02-04 16:49:51 +00:00
Eelco Dolstra 6d46e647ba * Fixed the old envpkgs filename. 2004-02-04 16:20:51 +00:00
Eelco Dolstra 9b44480612 * Use a map to lookup primops. 
* Various performance improvements in the evaluator.
* Do not link against unused (and missing!) libraries (-lsglr, etc.).
 2004-02-04 16:03:29 +00:00
Eelco Dolstra c4f7ae4aa5 * Verify that all variables in a Nix expression are defined. 2004-02-03 14:45:34 +00:00
Eelco Dolstra 1c9c0a5a46 * Added syntactic sugar to the construction of attribute sets to 
`inherit' variables from the surrounding lexical scope.

  E.g.,

    {stdenv, libfoo}: derivation {
      builder = ./bla;
      inherit stdenv libfoo;
      xyzzy = 1;
    }

  is equivalent to

    {stdenv, libfoo}: derivation {
      builder = ./bla;
      stdenv = stdenv;
      libfoo = libfoo;
      xyzzy = 1;
    }

  Note that for mutually recursive attribute set definitions (`rec
  {...}'), this also works, that is, `rec {inherit x;}' is equivalent
  to `let {fresh = x; body = rec {x = fresh;};}', *not*
  `rec {x = x}'.
 2004-02-02 21:39:33 +00:00
Eelco Dolstra d9f30fe7c7 * Sort `nix-env -q' output by derivation name. 
* `--version' flag for all commands.
* Manual updates.
 2004-02-02 10:51:54 +00:00
Eelco Dolstra 47c003cb59 * Doh! 2004-01-30 17:14:08 +00:00
Eelco Dolstra 619f20775d * Parser numbers again. 
* Include missing files in distributions.
 2004-01-30 17:06:03 +00:00
Eelco Dolstra c625718513 * Detect flex and bison; updated the manual. 2004-01-30 16:32:14 +00:00
Eelco Dolstra c5baaafae6 * Replaced the SDF parser by a substantially faster Bison/Flex 
parser (roughly 80x faster).

  The absolutely latest version of Bison (1.875c) is required for
  reentrant GLR support, as well as a recent version of Flex (say,
  2.5.31).  Note that most Unix distributions ship with the
  prehistoric Flex 2.5.4, which doesn't support reentrancy.
 2004-01-30 15:21:42 +00:00
Eelco Dolstra abd1878b26 * Optimised the SDF grammar. 2004-01-29 14:24:53 +00:00
Eelco Dolstra 3648d1c732 * Explicitly compute the release name. 2004-01-22 13:04:57 +00:00
Eelco Dolstra cdb50886f4 * Typos. 2004-01-22 09:35:35 +00:00
Eelco Dolstra 3c4bc7276a * Added a note about adding /nix/etc/profile.d/nix.sh to the profile. 2004-01-22 09:17:55 +00:00
Martin Bravenboer 4f72b408a5 Typos and url losser -> catamaran 2004-01-22 08:47:59 +00:00
Eelco Dolstra 840551ebdb * Extra bit S' in --query --status' output: show whether there are 
any substitutes for the derivation.
 2004-01-21 16:41:17 +00:00
Eelco Dolstra 1109ea0680 * Fixed a subtle uninitialised variable bug in ATermMaps copied from 
ATermMaps.  Found thanks to Valgrind!
 2004-01-21 14:49:32 +00:00
Eelco Dolstra 47f19b6293 * Absolutise the specified path in --import' and --profile'. 2004-01-20 20:36:58 +00:00
Eelco Dolstra 4db7ef3fcc * Fixed URL. 2004-01-20 17:18:41 +00:00
Eelco Dolstra 3778586b2a * Nix Quick Start guide. 2004-01-20 15:37:55 +00:00
Eelco Dolstra 8baf50f108 * Manual updates. 
* Updated the README.  Now it just refers to the manual.
 2004-01-20 11:49:32 +00:00
Eelco Dolstra 699989b216 * Ignore exit code from strip. 2004-01-19 09:01:28 +00:00
Eelco Dolstra 3a4a4aaa88 * Strip binaries in RPMs. 2004-01-19 08:49:25 +00:00
Eelco Dolstra f899e8ce4d * Test whether the symlink, not its target, exists. 2004-01-16 15:17:36 +00:00
Eelco Dolstra b1c5f3c10d * Doh! Edited readmanifest.pm' instead of readmanifest.pm.in'. 2004-01-16 14:54:39 +00:00
Eelco Dolstra 291030b900 * Remove debug message. 2004-01-15 20:58:44 +00:00