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Change the default store file name to /gnu/store.

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* configure.ac: Change the default 'storedir' to /gnu/store.  Print
  $storedir.
* doc/guix.texi: Replace "/nix/store" by "/gnu/store", except where
  describing Nix compatibility.
* Makefile.am: Likewise.
This commit is contained in:
Ludovic Courtès 2014-03-09 22:09:12 +01:00
parent 59f704dff6
commit 834129e0e2
3 changed files with 30 additions and 26 deletions
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2
Makefile.am
View file

@ -263,7 +263,7 @@ gen-ChangeLog:
mv $(distdir)/cl-t $(distdir)/ChangeLog; \ mv $(distdir)/cl-t $(distdir)/ChangeLog; \
fi fi
# Make sure we're not shipping a file that embeds a local /nix/store file name. # Make sure we're not shipping a file that embeds a local /gnu/store file name.
assert-no-store-file-names: assert-no-store-file-names:
if grep -r --exclude=*.texi --exclude=*.info \ if grep -r --exclude=*.texi --exclude=*.info \
"$(storedir)/[a-z0-9]{32}-" $(distdir) ; \ "$(storedir)/[a-z0-9]{32}-" $(distdir) ; \

8
configure.ac
View file

@ -26,11 +26,15 @@ GUIX_ASSERT_SUPPORTED_SYSTEM
AC_ARG_WITH(store-dir, AC_ARG_WITH(store-dir,
AC_HELP_STRING([--with-store-dir=PATH], AC_HELP_STRING([--with-store-dir=PATH],
[path of the store (defaults to /nix/store)]), [file name of the store (defaults to /gnu/store)]),
[storedir="$withval"], [storedir="$withval"],
[storedir="/nix/store"]) [storedir="/gnu/store"])
AC_SUBST(storedir) AC_SUBST(storedir)
dnl Better be verbose.
AC_MSG_CHECKING([for the store directory])
AC_MSG_RESULT([$storedir])
AC_ARG_ENABLE([daemon], AC_ARG_ENABLE([daemon],
[AS_HELP_STRING([--disable-daemon], [build the Nix daemon (C++)])], [AS_HELP_STRING([--disable-daemon], [build the Nix daemon (C++)])],
[guix_build_daemon="$enableval"], [guix_build_daemon="$enableval"],

46
doc/guix.texi
View file

@ -102,7 +102,7 @@ explicit inputs are visible.
The result of package build functions is @dfn{cached} in the file The result of package build functions is @dfn{cached} in the file
system, in a special directory called @dfn{the store} (@pxref{The system, in a special directory called @dfn{the store} (@pxref{The
Store}). Each package is installed in a directory of its own, in the Store}). Each package is installed in a directory of its own, in the
store---by default under @file{/nix/store}. The directory name contains store---by default under @file{/gnu/store}. The directory name contains
a hash of all the inputs used to build that package; thus, changing an a hash of all the inputs used to build that package; thus, changing an
input yields a different directory name. input yields a different directory name.
@ -165,7 +165,7 @@ between both. To do so, you must pass @command{configure} not only the
same @code{--with-store-dir} value, but also the same same @code{--with-store-dir} value, but also the same
@code{--localstatedir} value. The latter is essential because it @code{--localstatedir} value. The latter is essential because it
specifies where the database that stores metadata about the store is specifies where the database that stores metadata about the store is
located, among other things. The default values are located, among other things. The default values for Nix are
@code{--with-store-dir=/nix/store} and @code{--localstatedir=/nix/var}. @code{--with-store-dir=/nix/store} and @code{--localstatedir=/nix/var}.
Note that @code{--disable-daemon} is not required if Note that @code{--disable-daemon} is not required if
your goal is to share the store with Nix. your goal is to share the store with Nix.
@ -195,7 +195,7 @@ environment.
In a standard multi-user setup, Guix and its daemon---the In a standard multi-user setup, Guix and its daemon---the
@command{guix-daemon} program---are installed by the system @command{guix-daemon} program---are installed by the system
administrator; @file{/nix/store} is owned by @code{root} and administrator; @file{/gnu/store} is owned by @code{root} and
@command{guix-daemon} runs as @code{root}. Unprivileged users may use @command{guix-daemon} runs as @code{root}. Unprivileged users may use
Guix tools to build packages or otherwise access the store, and the Guix tools to build packages or otherwise access the store, and the
daemon will do it on their behalf, ensuring that the store is kept in a daemon will do it on their behalf, ensuring that the store is kept in a
@ -577,7 +577,7 @@ management tools it provides.
When using Guix, each package ends up in the @dfn{package store}, in its When using Guix, each package ends up in the @dfn{package store}, in its
own directory---something that resembles own directory---something that resembles
@file{/nix/store/xxx-package-1.2}, where @code{xxx} is a base32 string. @file{/gnu/store/xxx-package-1.2}, where @code{xxx} is a base32 string.
Instead of referring to these directories, users have their own Instead of referring to these directories, users have their own
@dfn{profile}, which points to the packages that they actually want to @dfn{profile}, which points to the packages that they actually want to
@ -586,10 +586,10 @@ use. These profiles are stored within each user's home directory, at
For example, @code{alice} installs GCC 4.7.2. As a result, For example, @code{alice} installs GCC 4.7.2. As a result,
@file{/home/alice/.guix-profile/bin/gcc} points to @file{/home/alice/.guix-profile/bin/gcc} points to
@file{/nix/store/@dots{}-gcc-4.7.2/bin/gcc}. Now, on the same machine, @file{/gnu/store/@dots{}-gcc-4.7.2/bin/gcc}. Now, on the same machine,
@code{bob} had already installed GCC 4.8.0. The profile of @code{bob} @code{bob} had already installed GCC 4.8.0. The profile of @code{bob}
simply continues to point to simply continues to point to
@file{/nix/store/@dots{}-gcc-4.8.0/bin/gcc}---i.e., both versions of GCC @file{/gnu/store/@dots{}-gcc-4.8.0/bin/gcc}---i.e., both versions of GCC
coexist on the same system without any interference. coexist on the same system without any interference.
The @command{guix package} command is the central tool to manage The @command{guix package} command is the central tool to manage
@ -621,7 +621,7 @@ collected.
@cindex reproducible builds @cindex reproducible builds
Finally, Guix takes a @dfn{purely functional} approach to package Finally, Guix takes a @dfn{purely functional} approach to package
management, as described in the introduction (@pxref{Introduction}). management, as described in the introduction (@pxref{Introduction}).
Each @file{/nix/store} package directory name contains a hash of all the Each @file{/gnu/store} package directory name contains a hash of all the
inputs that were used to build that package---compiler, libraries, build inputs that were used to build that package---compiler, libraries, build
scripts, etc. This direct correspondence allows users to make sure a scripts, etc. This direct correspondence allows users to make sure a
given package installation matches the current state of their given package installation matches the current state of their
@ -632,7 +632,7 @@ machines (@pxref{Invoking guix-daemon, container}).
@cindex substitute @cindex substitute
This foundation allows Guix to support @dfn{transparent binary/source This foundation allows Guix to support @dfn{transparent binary/source
deployment}. When a pre-built binary for a @file{/nix/store} path is deployment}. When a pre-built binary for a @file{/gnu/store} path is
available from an external source---a @dfn{substitute}, Guix just available from an external source---a @dfn{substitute}, Guix just
downloads it@footnote{@c XXX: Remove me when outdated. downloads it@footnote{@c XXX: Remove me when outdated.
As of version @value{VERSION}, substitutes are downloaded from As of version @value{VERSION}, substitutes are downloaded from
@ -965,10 +965,10 @@ guix package}).
@cindex garbage collector @cindex garbage collector
Packages that are installed but not used may be @dfn{garbage-collected}. Packages that are installed but not used may be @dfn{garbage-collected}.
The @command{guix gc} command allows users to explicitly run the garbage The @command{guix gc} command allows users to explicitly run the garbage
collector to reclaim space from the @file{/nix/store} directory. collector to reclaim space from the @file{/gnu/store} directory.
The garbage collector has a set of known @dfn{roots}: any file under The garbage collector has a set of known @dfn{roots}: any file under
@file{/nix/store} reachable from a root is considered @dfn{live} and @file{/gnu/store} reachable from a root is considered @dfn{live} and
cannot be deleted; any other file is considered @dfn{dead} and may be cannot be deleted; any other file is considered @dfn{dead} and may be
deleted. The set of garbage collector roots includes default user deleted. The set of garbage collector roots includes default user
profiles, and may be augmented with @command{guix build --root}, for profiles, and may be augmented with @command{guix build --root}, for
@ -988,7 +988,7 @@ information. The available options are listed below:
@table @code @table @code
@item --collect-garbage[=@var{min}] @item --collect-garbage[=@var{min}]
@itemx -C [@var{min}] @itemx -C [@var{min}]
Collect garbage---i.e., unreachable @file{/nix/store} files and Collect garbage---i.e., unreachable @file{/gnu/store} files and
sub-directories. This is the default operation when no option is sub-directories. This is the default operation when no option is
specified. specified.
@ -1161,7 +1161,7 @@ containing the @code{gui} output of the @code{git} package and the main
output of @code{emacs}: output of @code{emacs}:
@example @example
guix archive --export git:gui /nix/store/...-emacs-24.3 > great.nar guix archive --export git:gui /gnu/store/...-emacs-24.3 > great.nar
@end example @end example
If the specified packages are not built yet, @command{guix archive} If the specified packages are not built yet, @command{guix archive}
@ -1183,7 +1183,7 @@ turned into concrete build actions.
Build actions are performed by the Guix daemon, on behalf of users. In a Build actions are performed by the Guix daemon, on behalf of users. In a
standard setup, the daemon has write access to the store---the standard setup, the daemon has write access to the store---the
@file{/nix/store} directory---whereas users do not. The recommended @file{/gnu/store} directory---whereas users do not. The recommended
setup also has the daemon perform builds in chroots, under a specific setup also has the daemon perform builds in chroots, under a specific
build users, to minimize interference with the rest of the system. build users, to minimize interference with the rest of the system.
@ -1340,7 +1340,7 @@ definition to a new upstream version can be partly automated by the
Behind the scenes, a derivation corresponding to the @code{<package>} Behind the scenes, a derivation corresponding to the @code{<package>}
object is first computed by the @code{package-derivation} procedure. object is first computed by the @code{package-derivation} procedure.
That derivation is stored in a @code{.drv} file under @file{/nix/store}. That derivation is stored in a @code{.drv} file under @file{/gnu/store}.
The build actions it prescribes may then be realized by using the The build actions it prescribes may then be realized by using the
@code{build-derivations} procedure (@pxref{The Store}). @code{build-derivations} procedure (@pxref{The Store}).
@ -1379,7 +1379,7 @@ Configure and Build System}).
@cindex store paths @cindex store paths
Conceptually, the @dfn{store} is where derivations that have been Conceptually, the @dfn{store} is where derivations that have been
successfully built are stored---by default, under @file{/nix/store}. successfully built are stored---by default, under @file{/gnu/store}.
Sub-directories in the store are referred to as @dfn{store paths}. The Sub-directories in the store are referred to as @dfn{store paths}. The
store has an associated database that contains information such has the store has an associated database that contains information such has the
store paths referred to by each store path, and the list of @emph{valid} store paths referred to by each store path, and the list of @emph{valid}
@ -1524,7 +1524,7 @@ to a Bash executable in the store:
(derivation store "foo" (derivation store "foo"
bash `("-e" ,builder) bash `("-e" ,builder)
#:env-vars '(("HOME" . "/homeless")))) #:env-vars '(("HOME" . "/homeless"))))
@result{} #<derivation /nix/store/@dots{}-foo.drv => /nix/store/@dots{}-foo> @result{} #<derivation /gnu/store/@dots{}-foo.drv => /gnu/store/@dots{}-foo>
@end lisp @end lisp
As can be guessed, this primitive is cumbersome to use directly. An As can be guessed, this primitive is cumbersome to use directly. An
@ -1568,13 +1568,13 @@ containing one file:
@lisp @lisp
(let ((builder '(let ((out (assoc-ref %outputs "out"))) (let ((builder '(let ((out (assoc-ref %outputs "out")))
(mkdir out) ; create /nix/store/@dots{}-goo (mkdir out) ; create /gnu/store/@dots{}-goo
(call-with-output-file (string-append out "/test") (call-with-output-file (string-append out "/test")
(lambda (p) (lambda (p)
(display '(hello guix) p)))))) (display '(hello guix) p))))))
(build-expression->derivation store "goo" builder)) (build-expression->derivation store "goo" builder))
@result{} #<derivation /nix/store/@dots{}-goo.drv => @dots{}> @result{} #<derivation /gnu/store/@dots{}-goo.drv => @dots{}>
@end lisp @end lisp
@cindex strata of code @cindex strata of code
@ -1652,7 +1652,7 @@ effect, one must use @code{run-with-store}:
@example @example
(run-with-store (open-connection) (profile.sh)) (run-with-store (open-connection) (profile.sh))
@result{} /nix/store/...-profile.sh @result{} /gnu/store/...-profile.sh
@end example @end example
The main syntactic forms to deal with monads in general are described The main syntactic forms to deal with monads in general are described
@ -1727,7 +1727,7 @@ like this:
grep "/bin:" sed "/bin\n")) grep "/bin:" sed "/bin\n"))
@end example @end example
In this example, the resulting @file{/nix/store/@dots{}-profile.sh} file In this example, the resulting @file{/gnu/store/@dots{}-profile.sh} file
will references @var{coreutils}, @var{grep}, and @var{sed}, thereby will references @var{coreutils}, @var{grep}, and @var{sed}, thereby
preventing them from being garbage-collected during its lifetime. preventing them from being garbage-collected during its lifetime.
@end deffn @end deffn
@ -1787,7 +1787,7 @@ guix build @var{options} @var{package-or-derivation}@dots{}
@var{package-or-derivation} may be either the name of a package found in @var{package-or-derivation} may be either the name of a package found in
the software distribution such as @code{coreutils} or the software distribution such as @code{coreutils} or
@code{coreutils-8.20}, or a derivation such as @code{coreutils-8.20}, or a derivation such as
@file{/nix/store/@dots{}-coreutils-8.19.drv}. In the former case, a @file{/gnu/store/@dots{}-coreutils-8.19.drv}. In the former case, a
package with the corresponding name (and optionally version) is searched package with the corresponding name (and optionally version) is searched
for among the GNU distribution modules (@pxref{Package Modules}). for among the GNU distribution modules (@pxref{Package Modules}).
@ -1818,7 +1818,7 @@ Build the packages' source derivations, rather than the packages
themselves. themselves.
For instance, @code{guix build -S gcc} returns something like For instance, @code{guix build -S gcc} returns something like
@file{/nix/store/@dots{}-gcc-4.7.2.tar.bz2}, which is GCC's source tarball. @file{/gnu/store/@dots{}-gcc-4.7.2.tar.bz2}, which is GCC's source tarball.
The returned source tarball is the result of applying any patches and The returned source tarball is the result of applying any patches and
code snippets specified in the package's @code{origin} (@pxref{Defining code snippets specified in the package's @code{origin} (@pxref{Defining
@ -2475,7 +2475,7 @@ etc., at which point we have a working C tool chain.
Bootstrapping is complete when we have a full tool chain that does not Bootstrapping is complete when we have a full tool chain that does not
depend on the pre-built bootstrap tools discussed above. This depend on the pre-built bootstrap tools discussed above. This
no-dependency requirement is verified by checking whether the files of no-dependency requirement is verified by checking whether the files of
the final tool chain contain references to the @file{/nix/store} the final tool chain contain references to the @file{/gnu/store}
directories of the bootstrap inputs. The process that leads to this directories of the bootstrap inputs. The process that leads to this
``final'' tool chain is described by the package definitions found in ``final'' tool chain is described by the package definitions found in
the @code{(gnu packages base)} module. the @code{(gnu packages base)} module.