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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 54 |
1 files changed, 27 insertions, 27 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index bada446357..892d0093b7 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -240,13 +240,13 @@ Channels * Using a Custom Guix Channel:: Using a customized Guix. * Replicating Guix:: Running the @emph{exact same} Guix. * Channel Authentication:: How Guix verifies what it fetches. +* Channels with Substitutes:: Using channels with available substitutes. * Creating a Channel:: How to write your custom channel. * Package Modules in a Sub-directory:: Specifying the channel's package modules location. * Declaring Channel Dependencies:: How to depend on other channels. * Specifying Channel Authorizations:: Defining channel authors authorizations. * Primary URL:: Distinguishing mirror to original. * Writing Channel News:: Communicating information to channel's users. -* Channels with Substitutes:: Using channels with available substitutes. Development @@ -5018,13 +5018,13 @@ updates. * Using a Custom Guix Channel:: Using a customized Guix. * Replicating Guix:: Running the @emph{exact same} Guix. * Channel Authentication:: How Guix verifies what it fetches. +* Channels with Substitutes:: Using channels with available substitutes. * Creating a Channel:: How to write your custom channel. * Package Modules in a Sub-directory:: Specifying the channel's package modules location. * Declaring Channel Dependencies:: How to depend on other channels. * Specifying Channel Authorizations:: Defining channel authors authorizations. * Primary URL:: Distinguishing mirror to original. * Writing Channel News:: Communicating information to channel's users. -* Channels with Substitutes:: Using channels with available substitutes. @end menu @node Specifying Additional Channels @@ -5180,6 +5180,31 @@ introduction from a trusted source since that is the root of your trust. If you're curious about the authentication mechanics, read on! +@node Channels with Substitutes +@section Channels with Substitutes + +When running @command{guix pull}, Guix will first compile the +definitions of every available package. This is an expensive operation +for which substitutes (@pxref{Substitutes}) may be available. The +following snippet in @file{channels.scm} will ensure that @command{guix +pull} uses the latest commit with available substitutes for the package +definitions: this is done by querying the continuous integration +server at @url{https://ci.guix.gnu.org}. + +@lisp +(use-modules (guix ci)) + +(list (channel-with-substitutes-available + %default-guix-channel + "https://ci.guix.gnu.org")) +@end lisp + +Note that this does not mean that all the packages that you will +install after running @command{guix pull} will have available +substitutes. It only ensures that @command{guix pull} will not try to +compile package definitions. This is particularly useful when using +machines with limited resources. + @node Creating a Channel @section Creating a Channel @@ -5496,31 +5521,6 @@ xgettext -o news.po -l scheme -ken etc/news.txt To sum up, yes, you could use your channel as a blog. But beware, this is @emph{not quite} what your users might expect. -@node Channels with Substitutes -@section Channels with Substitutes - -When running @command{guix pull}, Guix will first compile the -definitions of every available package. This is an expensive operation -for which substitutes (@pxref{Substitutes}) may be available. The -following snippet in @file{channels.scm} will ensure that @command{guix -pull} uses the latest commit with available substitutes for the package -definitions: this is done by querying the continuous integration -server at @url{https://ci.guix.gnu.org}. - -@lisp -(use-modules (guix ci)) - -(list (channel-with-substitutes-available - %default-guix-channel - "https://ci.guix.gnu.org")) -@end lisp - -Note that this does not mean that all the packages that you will -install after running @command{guix pull} will have available -substitutes. It only ensures that @command{guix pull} will not try to -compile package definitions. This is particularly useful when using -machines with limited resources. - @c ********************************************************************* @node Development @chapter Development |