;; channels.scm -- reads the channels.d dir to get a list of channel objects ;; guix pull -C pre-imports (guix channels) into the file's environment ;; (see load-channels/make-user-module in guix/scripts/pull.scm), which is ;; why this worked without an explicit import. But `guix pull` also ;; compiles every .scm file under this channel's own checkout as an ;; ordinary package module (see standard-module-derivation), and that ;; environment does NOT pre-import it -- so `channel` (a macro from (guix ;; channels), used in channels.d/*.scm) and %default-channels come up ;; unbound there unless imported explicitly. (use-modules (gnu) (guix channels) ((ice-9 ftw) #:select (scandir))) (define channel-files (scandir "./channels.d" (lambda (file) (string-suffix? ".scm" file)))) (append (map (lambda (file) (load (string-append "./channels.d/" file))) channel-files) %default-channels)