3 [[http://www.gnu.org/software/guix/][GNU Guix]] (IPA: /ɡiːks/) is a purely functional package manager, and
4 associated free software distribution, for the [[http://www.gnu.org/gnu/gnu.html][GNU system]]. In addition
5 to standard package management features, Guix supports transactional
6 upgrades and roll-backs, unprivileged package management, per-user
7 profiles, and garbage collection.
9 It provides [[http://www.gnu.org/software/guile/][Guile]] Scheme APIs, including a high-level embedded
10 domain-specific languages (EDSLs) to describe how packages are to be
13 A user-land free software distribution for GNU/Linux comes as part of
16 Guix is based on the [[http://nixos.org/nix/][Nix]] package manager.
21 GNU Guix currently depends on the following packages:
23 - [[http://gnu.org/software/guile/][GNU Guile 2.0.x]], version 2.0.5 or later
24 - [[http://gnupg.org/][GNU libgcrypt]]
26 Unless `--disable-daemon' was passed, the following packages are needed:
28 - [[http://sqlite.org/][SQLite 3]]
29 - [[http://www.bzip.org][libbz2]]
30 - [[http://gcc.gnu.org][GCC's g++]]
32 When `--disable-daemon' was passed, you instead need the following:
34 - [[http://nixos.org/nix/][Nix]]
38 See the manual for the installation instructions, either by running
40 info -f doc/guix.info "(guix) Installation"
42 or by checking the [[http://www.gnu.org/software/guix/manual/guix.html#Installation][web copy of the manual]].
44 For information on installation from a Git checkout, please see the ‘HACKING’
47 * Installing Guix from Guix
49 You can re-build and re-install Guix using a system that already runs Guix.
52 - Install the dependencies (see 'Requirements' above) and build tools using
53 Guix. You should have the following packages installed in your user
68 - set the environment variables that Guix recommends you to set during the
69 package installation process:
70 ACLOCAL, CPATH, LIBRARY_PATH, PATH, PKG_CONFIG_PATH
72 GUIX_LD_WRAPPER_ALLOW_IMPURITIES=yes
74 - re-run the configure script passing it the option
75 `--with-libgcrypt-prefix=$HOME/.guix-profile/'
77 - run "make" and "make install"
81 Guix does the high-level preparation of a /derivation/. A derivation is
82 the promise of a build; it is stored as a text file under
83 =/nix/store/xxx.drv=. The (guix derivations) module provides the
84 `derivation' primitive, as well as higher-level wrappers such as
85 `build-expression->derivation'.
87 Guix does remote procedure calls (RPCs) to the Guix or Nix daemon (the
88 =guix-daemon= or =nix-daemon= command), which in turn performs builds
89 and accesses to the Nix store on its behalf. The RPCs are implemented
90 in the (guix store) module.
92 * Installing Guix as non-root
94 The Guix daemon allows software builds to be performed under alternate
95 user accounts, which are normally created specifically for this
96 purpose. For instance, you may have a pool of accounts in the
97 =guixbuild= group, and then you can instruct =guix-daemon= to use them
100 $ guix-daemon --build-users-group=guixbuild
102 However, unless it is run as root, =guix-daemon= cannot switch users.
103 In that case, it falls back to using a setuid-root helper program call
104 =nix-setuid-helper=. That program is not setuid-root by default when
105 you install it; instead you should run a command along these lines
106 (assuming Guix is installed under /usr/local):
108 # chown root.root /usr/local/libexec/nix-setuid-helper
109 # chmod 4755 /usr/local/libexec/nix-setuid-helper
113 GNU Guix is hosted at https://savannah.gnu.org/projects/guix/.
115 Please email <bug-guix@gnu.org> for bug reports or questions regarding
116 Guix and its distribution; email <gnu-system-discuss@gnu.org> for
117 general issues regarding the GNU system.
119 Join #guix on irc.freenode.net.
123 GNU Guix is based on [[http://nixos.org/nix/][the Nix package manager]]. It implements the same
124 package deployment paradigm, and in fact it reuses some of its code.
125 Yet, different engineering decisions were made for Guix, as described
128 Nix is really two things: a package build tool, implemented by a library
129 and daemon, and a special-purpose programming language. GNU Guix relies
130 on the former, but uses Scheme as a replacement for the latter.
132 Using Scheme instead of a specific language allows us to get all the
133 features and tooling that come with Guile (compiler, debugger, REPL,
134 Unicode, libraries, etc.) And it means that we have a general-purpose
135 language, on top of which we can have embedded domain-specific languages
136 (EDSLs), such as the one used to define packages. This broadens what
137 can be done in package recipes themselves, and what can be done around them.
139 Technically, Guix makes remote procedure calls to the ‘nix-worker’
140 daemon to perform operations on the store. At the lowest level, Nix
141 “derivations” represent promises of a build, stored in ‘.drv’ files in
142 the store. Guix produces such derivations, which are then interpreted
143 by the daemon to perform the build. Thus, Guix derivations can use
144 derivations produced by Nix (and vice versa).
146 With Nix and the [[http://nixos.org/nixpkgs][Nixpkgs]] distribution, package composition happens at
147 the Nix language level, but builders are usually written in Bash.
148 Conversely, Guix encourages the use of Scheme for both package
149 composition and builders. Likewise, the core functionality of Nix is
150 written in C++ and Perl; Guix relies on some of the original C++ code,
151 but exposes all the API as Scheme.
155 - [[http://nixos.org][Nix, Nixpkgs, and NixOS]], functional package manager and associated
156 software distribution, are the inspiration of Guix
157 - [[http://www.gnu.org/software/stow/][GNU Stow]] builds around the idea of one directory per prefix, and a
158 symlink tree to create user environments
159 - [[http://www.pvv.ntnu.no/~arnej/store/storedoc_6.html][STORE]] shares the same idea
160 - [[https://live.gnome.org/OSTree/][GNOME's OSTree]] allows bootable system images to be built from a
161 specified set of packages
162 - The [[http://www.gnu.org/s/gsrc/][GNU Source Release Collection]] (GSRC) is a user-land software
163 distribution; unlike Guix, it relies on core tools available on the