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Author SHA1 Message Date
Eelco Dolstra
8b9697e575 * An operation `nix-store --clear-substitutes' to remove all 
registered substitute mappings.
 2004-12-20 14:16:55 +00:00
Eelco Dolstra
fa9259f5f5 * Simplify the substitute mechanism: 
- Drop the store expression.  So now a substitute is just a
    command-line invocation (a program name + arguments).  If you
    register a substitute you are responsible for registering the
    expression that built it (if any) as a root of the garbage
    collector.
  - Drop the substitutes-rev DB table.
 2004-12-20 13:43:32 +00:00
Eelco Dolstra
015beb7cd0 * Typo: genericBuilder -> genericBuild. 2004-12-17 13:46:07 +00:00
Eelco Dolstra
4d25b0b0bb * Fix nix-pull. 2004-12-16 15:31:50 +00:00
Eelco Dolstra
f4041cc175 * Commit old changed to bdiff.sh - but bdiff.sh is obsolete. 2004-12-16 14:59:05 +00:00
Eelco Dolstra
77970f8daf * Remove `prebuilts.conf' file, it's not like anybody was using it. 
* Add /nix/var/nix/manifests directory.
 2004-12-16 14:31:49 +00:00
Eelco Dolstra
e3b051aeeb * Include the size of the bzipped archive (necessary for computing the 
cheapest download path), as well as the hash of the contents of the
  path (necessary for checking patch applicability).
 2004-12-13 16:56:18 +00:00
Eelco Dolstra
862f4c154e * Patch deployment. `download.pl' (intended to be used in the 
substitute mechanism) creates a store path by downloading full NAR
  archives and/or patches specified in the available manifests.

  Any combination of present paths, full downloads, and patches can be
  used to construct the target path.  In particular, patches can be
  chained in sequence; and full NAR archives of the target path can be
  omitted (i.e., patch-only deployment is possible).  A shortest path
  algorithm is used to find the smallest set of files to be downloaded
  (the edge weights are currently file sizes, but one can imagine
  taking the network speed to the various source into account).

  Patches are binary deltas between two store paths.  To be precise,
  they are the output of the `bsdiff' program applied to the NAR
  archives obtained by dumping (`nix-store --dump') the two store
  paths.  The advantage of diff'ing NAR archives (and not, say, doing
  file-by-file diffs) is that file renames/moves are handled
  automatically.  The disadvantage is that we cannot optimise creation
  of unchanged files (by hard-linking).
 2004-12-13 13:47:38 +00:00
Eelco Dolstra
dca48aed34 * Allow an optional hash to be provided. This prevents redundant 
fetches.
 2004-12-13 13:35:36 +00:00
Eelco Dolstra
71926ee188 * Print out statistics comparing our performance to bzip2. 2004-11-29 21:04:28 +00:00
Eelco Dolstra
13f77276d1 * utime() follows symlinks, so don't change the mtime if the file is a 
symlink.
 2004-11-29 19:22:16 +00:00
Eelco Dolstra
eee6fe478e * Proof-of-concept for binary patch deployment. 2004-11-29 19:12:55 +00:00
Eelco Dolstra
f17553a212 * Remove debug statement. 2004-11-29 15:30:44 +00:00
Eelco Dolstra
4115d8d8ce * Canonicalise metadata of all files in store paths (set the mtime to 
0, set the mode to either 444 or 555, set the group to the default).
 2004-11-29 15:09:29 +00:00
Eelco Dolstra
5d5318c2ff * Bump version number to 0.7. 2004-11-14 14:00:45 +00:00
Eelco Dolstra
9f8964a062 * More manual fixes. 2004-11-14 10:42:16 +00:00
Eelco Dolstra
0b79a12082 * Manual fixes. 2004-11-14 00:24:57 +00:00
Eelco Dolstra
54c7a870d5 * Document --delete-generations and other nix-env options. 2004-11-12 23:56:37 +00:00
Eelco Dolstra
c2b0d6b02f * Document --eval-only and --parse-only options in nix-instantiate. 2004-11-12 23:22:08 +00:00
Eelco Dolstra
32c7326850 * Typos. 2004-11-09 14:06:56 +00:00
Eelco Dolstra
92ee003dc9 * Fix broken format string. 2004-11-08 15:20:52 +00:00
Eelco Dolstra
d6db574ec1 * Check exit status of pipe elements. 2004-11-08 11:32:10 +00:00
Eelco Dolstra
b8aaef5e4e * Documented the standard environment, including the generic builder. 2004-11-07 22:12:16 +00:00
Eelco Dolstra
2c3b29c5ca * Everything you always wanted to know about functions and derivations 
but were afraid to ask.
 2004-11-07 20:36:45 +00:00
Eelco Dolstra
ea6581b691 * Drop the grammar appendix. 2004-11-07 20:36:10 +00:00
Eelco Dolstra
09e7f06818 * Put something in here. 2004-11-07 20:30:02 +00:00
Eelco Dolstra
1bac7a10e6 * Operators, comments. 2004-11-07 18:58:49 +00:00
Eelco Dolstra
55b35d6d77 * Lets, inheritance, assertions. 2004-11-07 13:53:07 +00:00
Eelco Dolstra
0b1ee4802b * Typo fix. 2004-11-05 21:12:23 +00:00
Eelco Dolstra
5f0300d18c * Generic builders. 2004-11-05 21:11:01 +00:00
Eelco Dolstra
3e9d2038b4 * Start of language reference. 2004-11-05 15:39:30 +00:00
Eelco Dolstra
6ca9c7f0a9 * Finished GNU Hello walkthrough. 2004-11-05 13:10:08 +00:00
Eelco Dolstra
8b934694f2 * Manual: writing Nix expressions. 2004-11-04 20:21:08 +00:00
Eelco Dolstra
feb3ceaee0 * Better error messages. 2004-11-04 20:20:39 +00:00
Eelco Dolstra
cb7ccb528b * string2ATerm -> overloaded toATerm. 2004-11-03 18:12:03 +00:00
Eelco Dolstra
4cbd845aa4 * Don't propagate our CFLAGS to the ATerm library since it breaks at 
-O2.
 2004-11-03 16:51:09 +00:00
Eelco Dolstra
5f2c5a306c * chapter -> appendix. 2004-11-02 08:25:29 +00:00
Eelco Dolstra
0913f5a615 * Section about channels. 2004-11-01 16:21:37 +00:00
Eelco Dolstra
ee5dcfade2 * Section about garbage collection. 2004-11-01 16:03:35 +00:00
Eelco Dolstra
cbe8de592d * Profiles section. 2004-11-01 12:02:44 +00:00
Eelco Dolstra
b05a596d61 * Document setuid Nix installs. 2004-10-31 17:08:48 +00:00
Eelco Dolstra
0d80d237c5 * Add figures to make install' / make dist'. 2004-10-31 16:13:25 +00:00
Eelco Dolstra
2aa1f4717b * Fix File exists' errors if the result' symlink exists but is 
dangling.
 2004-10-31 12:01:16 +00:00
Eelco Dolstra
f8ac8d1ec8 * Began adding build farm docs. 2004-10-29 15:26:26 +00:00
Eelco Dolstra
a69534fc21 * Drop ATmake / ATMatcher also in handling store expressions. 2004-10-29 11:22:49 +00:00
Eelco Dolstra
ed09821859 * Use atdiff' instead of cmp' for checking test output. 
* Don't use local file names in tests since they will produce
  different parse trees depending on the current directory.
 2004-10-27 13:12:58 +00:00
Eelco Dolstra
3277c9432a * Bug fix in parsing of /* ... */ comments; due to longest match 
regexp there could be only one such comment per file.
 2004-10-27 13:00:31 +00:00
Eelco Dolstra
463e2817c5 * Remove ancient Fix tests. 
* Add automated Nix expression language tests.
 2004-10-27 12:41:53 +00:00
Eelco Dolstra
f09618b63a * Turn on read-only mode in queries. This prevents redundant store I/O. 2004-10-27 10:24:44 +00:00
Eelco Dolstra
c7bea941b0 * Oops, I did it again. 2004-10-27 10:05:51 +00:00