From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andy Wingo <wingo@igalia.com>
Subject: Re: core-updates: Fix cups-minimal build failure
Date: Mon, 27 Feb 2017 09:47:47 +0100
Message-ID: <cucvarwuij0.fsf@igalia.com>
References: <20170226022519.GA16840@jasmine>
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In-Reply-To: <20170226022519.GA16840@jasmine> (Leo Famulari's message of "Sat,
	25 Feb 2017 21:25:19 -0500")
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To: Leo Famulari <leo@famulari.name>
Cc: guix-devel@gnu.org

On Sun 26 Feb 2017 03:25, Leo Famulari <leo@famulari.name> writes:

> Do you have any suggestions about how to make this more concise?

> +         ;; Make the compressed manpages writable so that the
> +         ;; reset-gzip-timestamps phase does not error out.
> +         (add-before 'reset-gzip-timestamps 'make-manpages-writable
> +           (lambda* (#:key outputs #:allow-other-keys)
> +             (let* ((out (assoc-ref outputs "out"))
> +                    (man1 (string-append out "/share/man/man1"))
> +                    (man5 (string-append out "/share/man/man5"))
> +                    (man7 (string-append out "/share/man/man7"))
> +                    (man8 (string-append out "/share/man/man8")))
> +               (for-each (lambda (file) (chmod file #o666))
> +                         (find-files man1 "\\.gz"))
> +               (for-each (lambda (file) (chmod file #o666))
> +                         (find-files man5 "\\.gz"))
> +               (for-each (lambda (file) (chmod file #o666))
> +                         (find-files man7 "\\.gz"))
> +               (for-each (lambda (file) (chmod file #o666))
> +                         (find-files man8 "\\.gz")))))

(for-each
 (lambda (section)
   (for-each
     (lambda (file) (chmod file #o666))
     (find-files (string-append out "/share/man/man" section)
                 "\\.gz")))
 '("1" "5" "7" "8"))

Would be nice if there were a recursive find-files; oh well.

Andy