ericbav...@openmailbox.org skribis: > From: Eric Bavier <bav...@member.fsf.org> > > * guix/import/hackage.scm (guix-package->hackage-name, hackage-package?) > (latest-release): New procedures. > (%hackage-updater): New variable. > * guix/scripts/refresh.scm (%updaters): Add it. > * doc/guix.texi (Invoking guix refresh): Mention it.
[...] > +(define guix-package->hackage-name > + (let ((uri-rx (make-regexp > "https?://hackage.haskell.org/package/([^/]+)/.*")) > + (name-rx (make-regexp "(.*)-[0-9\\.]+"))) > + (lambda (package) > + "Given a Guix package name, return the corresponding Hackage name." > + (let* ((source-url (and=> (package-source package) origin-uri)) > + (name (match:substring (regexp-exec uri-rx source-url) 1))) > + (match (regexp-exec name-rx name) > + (#f name) > + (m (match:substring m 1))))))) It might be useful to honor a ‘cabal-package-name’ property in cases where guessing doesn’t work. That can always be added later, though. [...] > %elpa-updater > %cran-updater > %bioconductor-updater > + %hackage-updater Make it: ((guix import hackage) => %hackage-importer) to be on the safe side. If you confirm that ‘guix refresh -t hackage’ doesn’t crash, go for it! Thank you! Ludo’.
