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Eelco Dolstra 75989bdca7 Make computeFSClosure() single-threaded again 
The fact that queryPathInfo() is synchronous meant that we needed a
thread for every concurrent binary cache lookup, even though they end
up being handled by the same download thread. Requiring hundreds of
threads is not a good idea. So now there is an asynchronous version of
queryPathInfo() that takes a callback function to process the
result. Similarly, enqueueDownload() now takes a callback rather than
returning a future.

Thus, a command like

  nix path-info --store https://cache.nixos.org/ -r /nix/store/slljrzwmpygy1daay14kjszsr9xix063-nixos-16.09beta231.dccf8c5

that returns 4941 paths now takes 1.87s using only 2 threads (the main
thread and the downloader thread). (This is with a prewarmed
CloudFront.)
2016-09-16 18:54:14 +02:00
config Add config.guess, config.sub and install-sh 2013-11-25 11:26:02 +00:00
corepkgs Remove nar.nix 2016-08-11 17:12:40 +02:00
doc/manual Revive binary-caches-parallel-connections 2016-09-14 16:38:26 +02:00
maintainers upload-release.pl: Update Nixpkgs 2016-09-07 15:34:54 +02:00
misc nix-daemon.service: Set $XDG_CACHE_HOME 2016-08-31 11:55:20 +02:00
mk Don't pass "--no-copy-dt-needed-entries" option to linker on FreeBSD. 2015-10-06 22:28:30 +02:00
perl makeFixedOutputPath(): Drop superfluous HashType argument 2016-07-26 21:25:52 +02:00
scripts Merge branch 'nix-build-c++' 2016-08-31 12:10:21 -04:00
src Make computeFSClosure() single-threaded again 2016-09-16 18:54:14 +02:00
tests Fix gc-runtime test 2016-09-12 13:40:07 +02:00
.dir-locals.el Add .dir-locals.el for Emacs 2016-01-28 11:12:04 +01:00
.gitignore Merge branch 'nix-build-c++' 2016-08-31 12:10:21 -04:00
bootstrap.sh bootstrap: Simplify & make more robust. 2011-09-06 12:11:05 +00:00
configure.ac remove otool check 2016-08-13 15:30:35 -07:00
COPYING * Change this to LGPL to keep the government happy. 2006-04-25 16:41:06 +00:00
dev-shell Add 32bit linux clause to dev-shell 2016-03-22 11:38:56 +00:00
local.mk Don't depend on git when generating source tarball 2015-10-15 11:53:45 -07:00
Makefile Merge branch 'nix-build-c++' 2016-08-31 12:10:21 -04:00
Makefile.config.in use $(LIBLZMA_LIBS) instead of -llzma 2016-05-31 03:20:11 -04:00
nix.spec.in Revert "nix.spec.in: Build from the .tar.xz file." 2016-08-30 13:38:18 +02:00
README.md Capitalize Nix 2016-07-21 11:08:13 +02:00
release.nix Drop Fedora 19/20 builds 2016-08-30 14:36:04 +02:00
version Bump 2016-01-20 16:34:37 +01:00

README.md

Nix, the purely functional package manager

Nix is a new take on package management that is fairly unique. Because of it's purity aspects, a lot of issues found in traditional package managers don't appear with Nix.

To find out more about the tool, usage and installation instructions, please read the manual, which is available on the Nix website at http://nixos.org/nix/manual.

Contributing

Take a look at the Hacking Section of the manual. It helps you to get started with building Nix from source.

License

Nix is released under the LGPL v2.1

This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit (http://www.OpenSSL.org/).