Alex Kost <alez...@gmail.com> skribis: > Eric Bavier (2016-04-06 17:57 +0300) wrote: > >> On Wed, 06 Apr 2016 15:13:47 +0300 >> Alex Kost <alez...@gmail.com> wrote: > [...] >>> > + "1lgghck46p33z3hg8dnl76jryig4fh6d8rhzms837zp7x4hyfkv4")) >>> > + (patches (map search-patch >>> > '("ttfautohint-source-date-epoch.patch"))))) >>> >>> Since it's just a single patch, I don't see a reason to use 'map' here. >> >> Just that it's less to change if more patches are added later. The >> same has been used in other packages. > > I strongly disagree with this policy.
I think “strongly” and “policy” are a bit… too strong. ;-) > More patches may never be added, but mapping through a list of a > single element looks redundant for me. > > Talking about how we specify package patches currently, I think it would > be better to do it in a more clean and general way. What about adding > the following macro to (gnu packages)? > > (define-syntax-rule (search-patches file-name ...) > "Return a list of patches for each FILE-NAME." > (list (search-patch file-name) ...)) > > So instead of things like this: > > (list (search-patch "foo.patch") > (search-patch "bar.patch")) > > or this: > > (map search-patch '("foo.patch" > "bar.patch")) > > we'll have: > > (search-patches "foo.patch" > "bar.patch") I like it! > P.S. Actually, I don't like 'search-patches' name. Better ideas? No! I like it. Andy Wingo <wi...@igalia.com> skribis: > What if the "patches" field just applied `search-path' to each of the > items in the list if the path is not absolute? Use > `absolute-file-name?' to check if this is needed or not. FWIW I have a preference for keeping things explicit. Thanks! Ludo’.