From 00a28bc435606dc98925fbae1ebe314881f35c90 Mon Sep 17 00:00:00 2001 From: Bruno Victal Date: Sat, 7 Oct 2023 16:59:09 +0100 Subject: [PATCH] services: configuration: Add some commonly used predicates. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * gnu/services/configuration.scm (list-of-packages?, list-of-symbols?): New predicate. * gnu/services/audio.scm (list-of-symbol?): Remove. * gnu/services/telephony.scm (string-list?): Remove. (serialize-string-list): Rename to … (serialize-list-of-strings): … this. (account-fingerprint-list?, jami-account-list?): Use list-of. * doc/guix.texi: Update it. Signed-off-by: Maxim Cournoyer --- doc/guix.texi | 6 +++--- gnu/services/audio.scm | 7 ++----- gnu/services/configuration.scm | 17 +++++++++++++++++ gnu/services/telephony.scm | 20 +++++++------------- 4 files changed, 29 insertions(+), 21 deletions(-) diff --git a/doc/guix.texi b/doc/guix.texi index e4a1523dfb..1deb784f56 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -28188,7 +28188,7 @@ to maintain communication between devices on such network even when the connection to the Internet has been lost. When left unspecified, the value from the account archive prevails. -@item @code{bootstrap-hostnames} (type: maybe-string-list) +@item @code{bootstrap-hostnames} (type: maybe-list-of-strings) A list of hostnames or IPs pointing to OpenDHT nodes, that should be used to initially join the OpenDHT network. When left unspecified, the value from the account archive prevails. @@ -34509,7 +34509,7 @@ The group to run mpd as. The default @code{%mpd-group} is a system group with name ``mpd''. -@item @code{shepherd-requirement} (default: @code{'()}) (type: list-of-symbol) +@item @code{shepherd-requirement} (default: @code{'()}) (type: list-of-symbols) A list of symbols naming Shepherd services that this service will depend on. @@ -34759,7 +34759,7 @@ Available @code{mympd-configuration} fields are: @item @code{package} (default: @code{mympd}) (type: file-like) The package object of the myMPD server. -@item @code{shepherd-requirement} (default: @code{'()}) (type: list-of-symbol) +@item @code{shepherd-requirement} (default: @code{'()}) (type: list-of-symbols) This is a list of symbols naming Shepherd services that this service will depend on. diff --git a/gnu/services/audio.scm b/gnu/services/audio.scm index 260abdefed..ae991ced4d 100644 --- a/gnu/services/audio.scm +++ b/gnu/services/audio.scm @@ -138,9 +138,6 @@ str) #\-) "_"))) -(define list-of-symbol? - (list-of symbol?)) - ;; Helpers for deprecated field types, to be removed later. (define %lazy-group (make-symbol "%lazy-group")) @@ -428,7 +425,7 @@ to be appended to the audio output configuration.") (sanitizer mpd-group-sanitizer)) (shepherd-requirement - (list-of-symbol '()) + (list-of-symbols '()) "This is a list of symbols naming Shepherd services that this service will depend on." empty-serializer) @@ -763,7 +760,7 @@ user-group instead~%")) empty-serializer) (shepherd-requirement - (list-of-symbol '()) + (list-of-symbols '()) "This is a list of symbols naming Shepherd services that this service will depend on." empty-serializer) diff --git a/gnu/services/configuration.scm b/gnu/services/configuration.scm index aa5fb832d5..d2b1687496 100644 --- a/gnu/services/configuration.scm +++ b/gnu/services/configuration.scm @@ -80,7 +80,9 @@ interpose list-of + list-of-packages? list-of-strings? + list-of-symbols? alist? serialize-file-like text-config? @@ -500,6 +502,11 @@ DELIMITER interposed LS. Support 'infix and 'suffix GRAMMAR values." (cons delimiter acc)))) '() ls)) + +;;; +;;; Commonly used predicates +;;; + (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." @@ -508,10 +515,20 @@ the list result in @code{#t} when applying PRED? on them." (every pred? x) #f))) +(define list-of-packages? + (list-of package?)) (define list-of-strings? (list-of string?)) +(define list-of-symbols? + (list-of symbol?)) + + +;;; +;;; Special serializers +;;; + (define alist? (list-of pair?)) diff --git a/gnu/services/telephony.scm b/gnu/services/telephony.scm index 56b7772f58..c9b5d6cd99 100644 --- a/gnu/services/telephony.scm +++ b/gnu/services/telephony.scm @@ -117,15 +117,10 @@ (or (string? val) (computed-file? val))) -(define (string-list? val) - (and (list? val) - (and-map string? val))) +(define account-fingerprint-list? + (list-of account-fingerprint?)) -(define (account-fingerprint-list? val) - (and (list? val) - (and-map account-fingerprint? val))) - -(define-maybe string-list) +(define-maybe list-of-strings) (define-maybe/no-serialization account-fingerprint-list) @@ -135,7 +130,7 @@ ;;; The following serializers are used to derive an account details alist from ;;; a record. -(define (serialize-string-list _ val) +(define (serialize-list-of-strings _ val) (string-join val ";")) (define (serialize-boolean _ val) @@ -188,7 +183,7 @@ maintain communication between devices on such network even when the connection to the the Internet has been lost. When left unspecified, the value from the account archive prevails.") (bootstrap-hostnames - maybe-string-list + maybe-list-of-strings "A list of hostnames or IPs pointing to OpenDHT nodes, that should be used to initially join the OpenDHT network. When left unspecified, the value from the account archive prevails.") @@ -220,9 +215,8 @@ SET-ACCOUNT-DETAILS." (list-transduce jami-account-transducer rcons jami-account-fields)) -(define (jami-account-list? val) - (and (list? val) - (and-map jami-account? val))) +(define jami-account-list? + (list-of jami-account?)) (define-maybe/no-serialization jami-account-list)