From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nikita Karetnikov Subject: Re: Proposal: prefetch tarballs in a batch Date: Thu, 03 Apr 2014 02:37:15 +0400 Message-ID: <87d2gznysk.fsf@karetnikov.org> References: <87ha6jkyv8.fsf@karetnikov.org> <877g7epico.fsf@gnu.org> <87wqf8prau.fsf@karetnikov.org> <87ha6blwii.fsf@gnu.org> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha1; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:57639) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1WVTrj-0003Fr-5Q for guix-devel@gnu.org; Wed, 02 Apr 2014 18:42:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1WVTrg-0002MT-A0 for guix-devel@gnu.org; Wed, 02 Apr 2014 18:42:39 -0400 In-Reply-To: <87ha6blwii.fsf@gnu.org> ("Ludovic =?utf-8?Q?Court=C3=A8s=22'?= =?utf-8?Q?s?= message of "Wed, 02 Apr 2014 14:57:09 +0200") List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: Ludovic =?utf-8?Q?Court=C3=A8s?= Cc: guix-devel@gnu.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable >> Is there a function that accepts a package name and returns a list of >> implicit inputs? > No, because by definition, those =E2=80=9Cimplicit inputs=E2=80=9D are no= t listed in the > package object. Instead, they are added by the build system (see > build-system/gnu.scm.) > That=E2=80=99s why I suggested using derivations instead: take the output= of > (package-derivation x y), and traverse it in search of fixed-output > derivations. What=E2=80=99s a fixed-ouput derivation? --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAEBAgAGBQJTPJEfAAoJEM+IQzI9IQ38V/AQAIdtqrtC7KiX61rhzscj8zGN Xy1tFhyir0JbWooyU/lWcVUJglyHPEAdY+IEw0/8G8owcu2yz2BVUlhKBSajMOQq wGVfMHmZ/sVj9Fav5uwEqyB44cwOQlwASSJSQbx1iDA/ZZpcq51HrbrbM9tASJia qtgGVM/dRuHsqJccOTbZTFck/iOmvRPjLXLYGN7zBnvU5ySHSvroC102DhxcIcgV isrwnGg1cYkE/Nej0I7HZryVi3ahevBgTGgoukMdUPEFbvaXbAspUkz/913n6xzU qGi22JxnHG3ojpRWhFd1/sVFflPvPRn4wCbHe03GrUr4qWo+8ERe7e+Kg0jdHaqY K2fipePfxgcRL2sq+y3efJajSlTFtthg7bfDhQjd0mDwUBEHlmqx+TQtwosrTJss 5kGGmyRAadxO8THmWln+OvFbdQ7xU8Sl5AanLy+QaYM9UkQD+eHe1Y1U8E6Y7pho M4nwbOwNhyheIcoMmTZcmVPM0YhCRImqLuL2/9NB8iSv74CiFrZ7gR2eTRCHLZCO icWt/fsubpncuAcfePv3nFOU6esggai2PSaBMZS4Ytsm/0DuPbJ/3wOFqhwXVVXM QozU1p5GWmN8TOqmfvRWEBF7YGOs1iRoPYLjwlXYDPmGBC52rNIWKJNjxZz/Gzdt /Bh81qddG4LO3ay6y+3B =UEgn -----END PGP SIGNATURE----- --=-=-=--