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[109.252.93.92]) by smtp.gmail.com with ESMTPSA id z4sm508790lfu.164.2021.08.26.23.58.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 26 Aug 2021 23:58:59 -0700 (PDT) From: Andrew Tropin In-Reply-To: <871r6ffklu.fsf@trop.in> References: <87bl5kbsk8.fsf@trop.in> <87r1eg8obm.fsf@gmail.com> <871r6ffklu.fsf@trop.in> Date: Fri, 27 Aug 2021 09:58:56 +0300 Message-ID: <87v93re5lb.fsf@trop.in> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: guix-patches@gnu.org List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-patches-bounces+larch=yhetil.org@gnu.org Sender: "Guix-patches" X-Migadu-Flow: FLOW_IN ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=yhetil.org; s=key1; t=1630047842; h=from:from:sender:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type:resent-cc:resent-from:resent-sender: resent-message-id:in-reply-to:in-reply-to:references:references: list-id:list-help:list-unsubscribe:list-subscribe:list-post: dkim-signature; bh=CNoa8R/wqF/C7RwVlyD3UBuiSq8rb3we2L7ipIXqM2Q=; b=LEYptaABYN64lYLAy/x6d//OuDuw94hHJafA2FOvzjlWKDZPtp7YF915vs9vjewrzLLrYt XJBXrNobfXKZacvXSMcsHzpYfqHJwvvNOuu1gSwAAkzmTVGrfapiVbwL9ZXTGo3QH61kix fS06i1KN33kyHsQar+Ea0IpnGC9g1PAF+1DUuIVCUKU0Cq7jaM/SpSHFLGmlLIbVH3k1vy xNW2C5aWoarlmSH7ChCRJes+A6fkBtfcnz1NIFnobt1A+rjObbiSfE4gGCrj1KJbWtQUOb yQb7BZV+x298qY0shZnNvn31WFT9rwLGvKGa8mmrQPK9aKFlkISprgZ58PNWKw== ARC-Seal: i=1; s=key1; d=yhetil.org; t=1630047842; a=rsa-sha256; cv=none; b=pWMUsrxzrs2l+uWHa9EDELGvvPQIf3Oebx+q078bTUXoXYVF4aYH5wCif8Yv79ifpVJlsd k73t3knAuRCucD6ey/AlQfg6N8WDHJvYgysdMye+7xkKT6P7UPOfgrr3iDmXLfu7Ajr2+W fOR3zBJ9a2Ox2NWP0ILFjNF/KBnKD1tOtScn4yYrbqThUbGyj2XOFlCFSjP8XgxaZRk16r yHW3aqDNPfP4PohmIXIHcVVWuGMWvWmvbwG0qFs9w/il/qXF5DjLBlQ8mSlFihP9E1vhqN +giRdWP83AAYjM+aNH2X5K4lNayb9ZB4GmfghwOuclddB+1dMu0YKxRWTld73A== ARC-Authentication-Results: i=1; aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=trop-in.20150623.gappssmtp.com header.s=20150623 header.b=YljrfKcl; dmarc=none; spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Migadu-Spam-Score: -1.03 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=trop-in.20150623.gappssmtp.com header.s=20150623 header.b=YljrfKcl; dmarc=none; spf=pass (aspmx1.migadu.com: domain of guix-patches-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-patches-bounces@gnu.org X-Migadu-Queue-Id: C8ABF911C X-Spam-Score: -1.03 X-Migadu-Scanner: scn0.migadu.com X-TUID: 2q8rDZ86mX+E --=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable * gnu/home-services/configuration.scm (helper functions): New variables. * gnu/local.mk (GNU_SYSTEM_MODULES): Add home-services/configuration.scm. =2D-- gnu/home-services/configuration.scm | 63 +++++++++++++++++++++++++++++ gnu/local.mk | 1 + 2 files changed, 64 insertions(+) create mode 100644 gnu/home-services/configuration.scm diff --git a/gnu/home-services/configuration.scm b/gnu/home-services/config= uration.scm new file mode 100644 index 0000000000..b7487fc49f =2D-- /dev/null +++ b/gnu/home-services/configuration.scm @@ -0,0 +1,63 @@ +(define-module (gnu home-services configuration) + #:use-module (gnu services configuration) + #:use-module (guix gexp) + #:use-module (srfi srfi-1) + + #:export (filter-configuration-fields + + interpose + list-of + + list-of-strings? + alist? + string-or-gexp? + serialize-string-or-gexp + text-config? + serialize-text-config)) + +(define* (filter-configuration-fields configuration-fields fields + #:optional negate?) + "Retrieve the fields listed in FIELDS from CONFIGURATION-FIELDS. +If NEGATE? is @code{#t}, retrieve all fields except FIELDS." + (filter (lambda (field) + (let ((member? (member (configuration-field-name field) fields= ))) + (if (not negate?) member? (not member?)))) + configuration-fields)) + + +(define* (interpose ls #:optional (delimiter "\n") (grammar 'infix)) + "Same as @code{string-join}, but without join and string, returns an +DELIMITER interposed LS. Support 'infix and 'suffix GRAMMAR values." + (when (not (member grammar '(infix suffix))) + (raise + (formatted-message + (G_ "The GRAMMAR value must be 'infix or 'suffix, but ~a provided.") + grammar))) + (fold-right (lambda (e acc) + (cons e + (if (and (null? acc) (eq? grammar 'infix)) + acc + (cons delimiter acc)))) + '() ls)) + +(define (list-of pred?) + "Return a procedure that takes a list and check if all the elements of +the list result in @code{#t} when applying PRED? on them." + (lambda (x) + (if (list? x) + (every pred? x) + #f))) + + +(define list-of-strings? + (list-of string?)) + +(define alist? list?) + +(define (string-or-gexp? sg) (or (string? sg) (gexp? sg))) +(define (serialize-string-or-gexp field-name val) "") + +(define (text-config? config) + (and (list? config) (every string-or-gexp? config))) +(define (serialize-text-config field-name val) + #~(string-append #$@(interpose val "\n" 'suffix))) diff --git a/gnu/local.mk b/gnu/local.mk index e25ff3db53..e24da4716f 100644 =2D-- a/gnu/local.mk +++ b/gnu/local.mk @@ -75,6 +75,7 @@ GNU_SYSTEM_MODULES =3D \ %D%/home-services.scm \ %D%/home-services/symlink-manager.scm \ %D%/home-services/fontutils.scm \ + %D%/home-services/configuration.scm \ %D%/image.scm \ %D%/packages.scm \ %D%/packages/abduco.scm \ =2D-=20 2.33.0 --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEEKEGaxlA4dEDH6S/6IgjSCVjB3rAFAmEojTEPHGFuZHJld0B0 cm9wLmluAAoJECII0glYwd6w5KwQAIn8zBbexmoWqzsuj+wS2O21tGLzq+MiB6eW cG+WISSz7O477aqiosFraIOFNbn3OELbQW9w5C/+ZN79KHSOr4JzhriENlrQ3BQR cqTVVsygr1Dp5IYllyf2fbIbH50c6iozFmzU8Ga8aE8v6SHOYT/z9yTx1TjwAhEC NqdvhHBIMM+vVu+NFYrKXPLndFKGDb6+8aL83gCDMu7T6+fFdFbGxltbVuruJ2dR CWbqDc+Q18XXxTlj13xIjzFgZL8hivpjlQ+IBVsPWYqCc7NnjxF5LtvtG7WV+Gwl +/LEIQwJEOYYTFC+ursuU0om9+LLIyMIxzLGA4kVmocp32bcWnmlc33SP2xuP2j+ lti4c9yCbglCirfFvtbxK+f8MXm4deAyzbZRMjQIcTq6NsMjFiWs4kq4uvbiMara DyKK8/XuBWCJ9C2R9AdpcDUP43qpWdP0m36DPvil+MU4wqzVIXYMnx91YO4scGVw Pjx9UbARIxHuYGZ1Qwwsh6BcLsytwCXiG5FAovnkpxX2IP28h/kPp4rjQM067Ijc QMAKSPvcG0gT/ZnaYsPoh3YtS6yad456g/af2tDR7yauXyHY9Jctrhhx8ZTb0St7 AvxhhULdwOB8PsRolLxooBJXOd1xxTwOKkPRgJiNUMAVUddlSA3g9ZEsCvL7SpmD johGmvf7 =vo+E -----END PGP SIGNATURE----- --=-=-=--