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Eelco Dolstra c02a44183f * Builtin functions head' and tail' to return the head and tail of 
list.  Useful for lots of things, such as implementing a fold
  function (see NIX-30, example is in tests/lang/eval-okay-list.nix).
 2006-09-22 14:46:36 +00:00
Eelco Dolstra 8a1ab709a4 * New builtin functions builtins.{hasAttr, getAttr} to check for 
attribute existence and to return an attribute from an attribute
  set, respectively.  Example: `hasAttr "foo" {foo = 1;}'.  They
  differ from the `?' and `.' operators in that the attribute name is
  an arbitrary expression.  (NIX-61)
 2006-09-22 14:31:55 +00:00
Eelco Dolstra 666babbbfa * Use a bounded amount of memory in scanForReferences() by not reading 
regular files into memory all at once.
 2006-09-22 13:10:30 +00:00
Eelco Dolstra 385c6f8737 * Supply the 64-bit ATerm patch, but don't apply it (since that 
requires rerunning Autoconf/Automake).  Interested users should do
  that themselves.
 2006-09-22 12:07:41 +00:00
Eelco Dolstra d22d7565f3 * Don't allocate the buffer twice. 2006-09-22 11:28:23 +00:00
Eelco Dolstra b43aeadbc9 * Don't allocate more than SIZE_MAX bytes. 2006-09-22 11:13:35 +00:00
Eelco Dolstra 4cab35d1a6 * Build with -D_FILE_OFFSET_BITS=64 to support files >= 2^31 bytes 
(NIX-22).
 2006-09-22 11:13:12 +00:00
Eelco Dolstra 25df501704 * GC options in nix-store --help (NIX-15). 2006-09-21 19:06:34 +00:00
Eelco Dolstra 0bd5eb71a0 * `nix-install-package --url': install from a URL (NIX-12). 
* `nix-install-package --help' (NIX-9).
* `nix-install-package --non-interactive': don't prompt or pause.
* Tests for nix-install-package.
* Security fixes: filter the values obtained from the nixpkg.
 2006-09-21 18:54:08 +00:00
Eelco Dolstra 4e91d8621f * Fix comment. 2006-09-21 18:52:05 +00:00
Eelco Dolstra ee5040421f * Try konsole and gnome-terminal in addition to xterm. 2006-09-21 11:29:14 +00:00
Eelco Dolstra 1bdc152931 * Shut up a warning. 2006-09-20 16:36:29 +00:00
Eelco Dolstra 1b804f88e4 * Absolute path to rm (NIX-51). 
* Don't hardcore /nix/bin and /nix/store.
 2006-09-20 16:23:14 +00:00
Eelco Dolstra 0623359fbc * Print a better error message for wrong hashes (NIX-49). 2006-09-20 16:15:32 +00:00
Eelco Dolstra 22d13d6ec2 * Check for patch (NIX-59). 2006-09-20 15:28:47 +00:00
Eelco Dolstra 947e645789 * Hide warnings about a missing "lsof" (NIX-54). 2006-09-20 15:14:19 +00:00
Eelco Dolstra a060adf165 * Use paths, not strings, when calling the function that generates 
NARs.  Fixes the impurity of nix-push (NIX-21).
* Better help.
 2006-09-20 15:04:04 +00:00
Eelco Dolstra 7dd342e482 * Doh. 2006-09-19 16:40:22 +00:00
Eelco Dolstra ee6cf99660 * Doh! Of course we have to take execute permission into account. 
* Restore the mtime on modified directories.
 2006-09-19 16:14:15 +00:00
Eelco Dolstra 6dbed1bf38 * `optimise-store.pl' reduces disk space consumption by hard-linking 
all identitical files in the Nix store to each other.  (Previously
  it only computed the size that would be saved by doing so.)
 2006-09-19 14:58:35 +00:00
Eelco Dolstra 07cec27848 * Cleanups. 2006-09-19 14:27:28 +00:00
Eelco Dolstra 9488ae7357 * `show-duplication.pl', a small utility that shows the amount of 
package duplication present in (e.g.) a profile.  It shows the
  number of instances of each package in a closure, along with the
  size in bytes of each instance as well as the "waste" (the
  difference between the sum of the sizes of all instances and the
  average size).

  $ ./show-duplication.pl /nix/var/nix/profiles/default
  gcc 11
    3.3.6 19293318
    3.4.4 21425257
    ...
    average 14942970, waste 149429707
  coreutils 6
  ...
  average package duplication 1.87628865979381, total size 3486330471, total waste 1335324237, 38.3017114443825% wasted

  This utility is useful for measuring the cost in terms of disk space
  of the Nix approach.
 2006-09-19 13:53:35 +00:00
Eelco Dolstra e0afaf1857 * Wow, that bug has been there since r764. 2006-09-14 22:48:59 +00:00
Eelco Dolstra 86cbd93ec1 * nix-env --switch-generation / --list-generations / 
--delete-generations: lock the profile to prevent (extremely
  unlikely) race conditions.
 2006-09-14 22:33:53 +00:00
Eelco Dolstra 5c38c863bd * Fix a huge gaping hole in nix-env w.r.t. the garbage collector. 
Nix-env failed to call addPermRoot(), which is necessary to safely
  add a new root.  So if nix-env started after and finished before the
  garbage collector, the user environment (plus all other new stuff)
  it built might be garbage collected, leading to a dangling symlink
  chain in ~/.nix-profile...

* Be more explicit if we block on the GC lock ("waiting for the big
  garbage collector lock...").

* Don't loop trying to create a new generation.  It's not necessary
  anymore since profiles are locked nowadays.
 2006-09-14 22:30:33 +00:00
Eelco Dolstra f00bc4c94c * "Too many links" error. 2006-09-12 09:29:28 +00:00
Eelco Dolstra 01d169f817 * Support `++'. 
* More follow restrictions on layout.
 2006-09-11 13:05:15 +00:00
Eelco Dolstra feb63da431 * Remove debug message. 2006-09-08 09:31:07 +00:00
Eelco Dolstra a04a65d7a5 * Release notes. 2006-09-06 14:29:49 +00:00
Eelco Dolstra 2e210b2387 * Convenience option `nix-collect-garbage -d' (--delete-old): removes 
old generations of *all* profiles in /nix/var/nix/profiles, then
  runs the garbage collector.  Quick way to get rid of all old stuff.
  Of course, one cannot roll back to earlier points in time after
  this.
 2006-09-06 14:23:04 +00:00
Eelco Dolstra 89ac8db74f * Package the include directory. 2006-09-05 11:34:50 +00:00
Eelco Dolstra a89a201598 * Missing #include. 2006-09-05 10:32:47 +00:00
Eelco Dolstra fc195519b5 * Sone missing #includes. 2006-09-05 08:54:48 +00:00
Eelco Dolstra bafc1690fc * Move setuid stuff to libutil. 
* Install libexpr header files.
 2006-09-04 22:55:28 +00:00
Eelco Dolstra e5a6c09b12 * Install header files in /nix/include/nix. 2006-09-04 22:41:36 +00:00
Eelco Dolstra 4be5443882 * Remove unnecessary inclusions of aterm2.h. 2006-09-04 22:08:40 +00:00
Eelco Dolstra 2382a729e0 * Don't need extern "C". 2006-09-04 21:50:39 +00:00
Eelco Dolstra e3ce954582 * Compile the lexer as C++ code. Remove all the redundant C/C++ 
marshalling code.
 2006-09-04 21:36:15 +00:00
Eelco Dolstra 75068e7d75 * Use a proper namespace. 
* Optimise header file usage a bit.
* Compile the parser as C++.
 2006-09-04 21:06:23 +00:00
Eelco Dolstra aab8812732 * Store the Nix libraries in ${libdir}/nix instead of ${libdir}. 2006-09-04 15:12:24 +00:00
Eelco Dolstra 7974aae81c * New primop: builtins.toFile, which writes a string into the store 
and returns its path.  This can be used to (for instance) write
  builders inside a Nix expression, e.g.,

  stdenv.mkDerivation {
    builder = "
      source $stdenv/setup
      ...
    ";
    ...
  }
 2006-09-01 12:07:31 +00:00
Eelco Dolstra de90fdf908 * Allow "$" in strings as long as they are not followed by "{". (Too 
bad flex doesn't have lexical restrictions, the current solution
  isn't quite right...)
 2006-09-01 12:04:06 +00:00
Eelco Dolstra c9586b6c3f * Fix race condition in the test. 2006-09-01 12:02:39 +00:00
Eelco Dolstra c25f688e23 * Doh! Doh! Doh! 2006-08-31 15:38:43 +00:00
Eelco Dolstra 354d58b3d7 * Better error checking. 2006-08-31 11:40:39 +00:00
Eelco Dolstra f93f7b75be * Okay, that's a bit harder than expected. 2006-08-30 13:10:04 +00:00
Eelco Dolstra dce1afdc67 * TDD: == should do a deep equality test, i.e., it should strictly 
evaluate its arguments.
 2006-08-30 12:25:27 +00:00
Eelco Dolstra 3151bdea55 * Uninitialised variable. 2006-08-30 12:00:27 +00:00
Eelco Dolstra 547b119f25 * Support singleton values and nested lists again in `args', but print 
a warning.
 2006-08-29 15:40:49 +00:00
Eelco Dolstra 2132d9ddeb * Fix the ~ operator. 2006-08-29 15:29:38 +00:00