Mark H Weaver <mhw@netris.org> skribis:

> Tomáš Čech <sleep_walker@suse.cz> reported on IRC that 'search-patch'
> failed to find a patch he had put into DIR/gnu/packages/patches/, where
> DIR was in $GUIX_PACKAGE_PATH.  Adding DIR to GUILE_LOAD_PATH fixed the
> problem.

Fixed in ee06af5.

> Also, it would be good to improve the error message when 'search-patch'
> fails.  This is what he reported seeing:
>
> guix/packages.scm:374:17: In procedure #<procedure 47c70c0 at guix/packages.scm:372:9 (number patch)>:
> guix/packages.scm:374:17: Throw to key `match-error' with args `("match" "no matching pattern" #f)'.

I came up with this patch: