profiles: Produce a single-file CA certificate bundle.

* guix/profiles.scm (ca-certificate-bundle): New procedure.
  (profile-derivation): Add 'ca-certificate-bundle?' keyword argument.  If
  true (the default), add the result of 'ca-certificate-bundle' to 'inputs'.

Co-Authored-By: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Mark H Weaver 2015-03-03 02:09:30 -05:00
parent e33eea8ffd
commit 536c3ee4e3

View File

@ -2,6 +2,7 @@
;;; Copyright © 2013, 2014, 2015 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
;;; Copyright © 2014 Alex Kost <alezost@gmail.com>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;;
;;; This file is part of GNU Guix.
;;;
@ -413,23 +414,87 @@ MANIFEST."
(gexp->derivation "info-dir" build
#:modules '((guix build utils)))))
(define* (profile-derivation manifest #:key (info-dir? #t))
(define (ca-certificate-bundle manifest)
"Return a derivation that builds a single-file bundle containing the CA
certificates in the /etc/ssl/certs sub-directories of the packages in
MANIFEST. Single-file bundles are required by programs such as Git and Lynx."
;; See <http://lists.gnu.org/archive/html/guix-devel/2015-02/msg00429.html>
;; for a discussion.
(define glibc-utf8-locales ;lazy reference
(module-ref (resolve-interface '(gnu packages base)) 'glibc-utf8-locales))
(define build
#~(begin
(use-modules (guix build utils)
(rnrs io ports)
(srfi srfi-1)
(srfi srfi-26)
(ice-9 ftw))
(define (pem-file? file)
(string-suffix? ".pem" file))
(define (ca-files top)
(let ((cert-dir (string-append top "/etc/ssl/certs")))
(map (cut string-append cert-dir "/" <>)
(or (scandir cert-dir pem-file?) '()))))
(define (concatenate-files files result)
"Make RESULT the concatenation of all of FILES."
(define (dump file port)
(display (call-with-input-file file get-string-all)
port)
(newline port)) ;required, see <https://bugs.debian.org/635570>
(call-with-output-file result
(lambda (port)
(for-each (cut dump <> port) files))))
;; Some file names in the NSS certificates are UTF-8 encoded so
;; install a UTF-8 locale.
(setenv "LOCPATH" (string-append #+glibc-utf8-locales "/lib/locale"))
(setlocale LC_ALL "en_US.UTF-8")
(let ((ca-files (append-map ca-files
'#$(manifest-inputs manifest)))
(result (string-append #$output "/etc/ssl/certs")))
(mkdir-p result)
(concatenate-files ca-files
(string-append result
"/ca-certificates.crt")))))
(gexp->derivation "ca-certificate-bundle" build
#:modules '((guix build utils))
#:local-build? #t))
(define* (profile-derivation manifest
#:key
(info-dir? #t)
(ca-certificate-bundle? #t))
"Return a derivation that builds a profile (aka. 'user environment') with
the given MANIFEST. The profile includes a top-level Info 'dir' file, unless
INFO-DIR? is #f."
the given MANIFEST. The profile includes a top-level Info 'dir' file unless
INFO-DIR? is #f, and a single-file CA certificate bundle unless
CA-CERTIFICATE-BUNDLE? is #f."
(mlet %store-monad ((info-dir (if info-dir?
(info-dir-file manifest)
(return #f))))
(return #f)))
(ca-cert-bundle (if ca-certificate-bundle?
(ca-certificate-bundle manifest)
(return #f))))
(define inputs
(if info-dir
;; XXX: Here we use the tuple (INFO-DIR "out") just so that the list
;; is unambiguous for the gexp code when MANIFEST has a single input
;; denoted as a string (the pattern (DRV STRING) is normally
;; interpreted in a gexp as "the STRING output of DRV".). See
;; <http://lists.gnu.org/archive/html/guix-devel/2014-12/msg00292.html>.
(cons (list info-dir "out")
(manifest-inputs manifest))
(manifest-inputs manifest)))
;; XXX: Here we use tuples of the form (DIR "out") just so that the list
;; is unambiguous for the gexp code when MANIFEST has a single input
;; denoted as a string (the pattern (DRV STRING) is normally
;; interpreted in a gexp as "the STRING output of DRV".). See
;; <http://lists.gnu.org/archive/html/guix-devel/2014-12/msg00292.html>.
(append (if info-dir
`((,info-dir "out"))
'())
(if ca-cert-bundle
`((,ca-cert-bundle "out"))
'())
(manifest-inputs manifest)))
(define builder
#~(begin