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-rw-r--r--doc/guix.texi18
1 files changed, 17 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index a934626e5a..7cc33c6e22 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -3666,6 +3666,21 @@ descriptions, and deploys it. Source code is downloaded from a
@uref{https://git-scm.com, Git} repository, by default the official
GNU@tie{}Guix repository, though this can be customized.
+Specifically, @command{guix pull} downloads code from the @dfn{channels}
+(@pxref{Channels}) specified by one of the followings, in this order:
+
+@enumerate
+@item
+the @option{--channels} option;
+@item
+the user's @file{~/.config/guix/channels.scm} file;
+@item
+the system-wide @file{/etc/guix/channels.scm} file;
+@item
+the built-in default channels specified in the @code{%default-channels}
+variable.
+@end enumerate
+
On completion, @command{guix package} will use packages and package
versions from this just-retrieved copy of Guix. Not only that, but all
the Guix commands and Scheme modules will also be taken from that latest
@@ -3763,7 +3778,8 @@ configuration in the @file{~/.config/guix/channels.scm} file or using the
@item --channels=@var{file}
@itemx -C @var{file}
Read the list of channels from @var{file} instead of
-@file{~/.config/guix/channels.scm}. @var{file} must contain Scheme code that
+@file{~/.config/guix/channels.scm} or @file{/etc/guix/channels.scm}.
+@var{file} must contain Scheme code that
evaluates to a list of channel objects. @xref{Channels}, for more
information.