Reported by John Darrington.
* guix/scripts/challenge.scm (guix-challenge): Add an explicit 'exit'
call when ISSUES is empty.
* scripts/guix.in: Add comment about 'exit'.
* doc/guix.texi (Invoking guix challenge): Mention the behavior and exit
code.
* scripts/guix.in (config-lookup): Add "localedir" entry.
(run-guix-main): Add call to 'bindtextdomain'.
* guix/ui.scm (initialize-guix): Use %GETTEXT-DOMAIN instead of a
literal.
* scripts/guix.in: Change '-s' to '--no-auto-compile'. This avoids
annoying messages about auto-compilation, and avoids permission denied
issues when running without write access in the usual places.
* guix/scripts/pull.scm: New file.
* Makefile.am (MODULES): Add it.
* doc/guix.texi (Invoking guix pull): New node.
(Invoking guix package): Add cross-ref to it.
* guix/ui.scm (config-directory): New procedure.
* scripts/guix.in: When `GUIX_UNINSTALLED' is undefined, add
$XDG_CONFIG_HOME/guix/latest to the search path.
* po/POTFILES.in: Add guix/scripts/pull.scm.