bug#31770: New ‘guix pull’ dosen’t update the guix manual in GuixSD

[iyzsong@member.fsf.org (宋文武)]

ludo@gnu.org (Ludovic Courtès) writes:

>> The last there are from the ‘export’ statement of ‘/etc/profile’, the
>> first two are added by ‘source’ the profiles.  Since there is a guix in
>> the system profile contains the old info manual, the current one won’t
>> be picked.
>
> Ooh!  I think the change below should be enough to ensure
> ~/.config/guix/current comes first:
>
> --- a/gnu/system.scm
> +++ b/gnu/system.scm
> @@ -602,7 +602,7 @@ directory."
>  # because they would require combining both profiles.
>  # FIXME: See <http://bugs.gnu.org/20255>.
>  export MANPATH=$HOME/.guix-profile/share/man:/run/current-system/profile/share/man
> -export INFOPATH=$HOME/.config/guix/current/share/info:$HOME/.guix-profile/share/info:/run/current-system/profile/share/info
> +export INFOPATH=$HOME/.guix-profile/share/info:/run/current-system/profile/share/info
>  export XDG_DATA_DIRS=$HOME/.guix-profile/share:/run/current-system/profile/share
>  export XDG_CONFIG_DIRS=$HOME/.guix-profile/etc/xdg:/run/current-system/profile/etc/xdg
>  
> @@ -630,7 +630,7 @@ then
>    export `cat /etc/environment | cut -d= -f1`
>  fi
>  
> -for profile in \"$HOME/.config/guix/current\" \"$HOME/.guix-profile\"
> +for profile in \"$HOME/.guix-profile\" \"$HOME/.config/guix/current\"
>  do
>    if [ -f \"$profile/etc/profile\" ]
>    then
> @@ -644,6 +644,8 @@ do
>    fi
>  done
>  
> +export INFOPATH=\"$HOME/.config/guix/current/share/info:$INFOPATH\"
> +
>  # Set the umask, notably for users logging in via 'lsh'.
>  # See <http://bugs.gnu.org/22650>.
>  umask 022
>
>
> How does that sound?

Yeah, that's fine.  Maybe add comments about why source ‘current’ after
user profile (prefer current guix) and why ‘export INFOPATH’ at the end
(prefer the current guix manual).  Thank you!