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home-services: Add missing imports and function definition.

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* gnu/home-services/configuration.scm: Add missing imports.
* gnu/home-services/utils.scm (list->human-readable-list): Add new function.
* gnu/home-services/configuration.scm: Add missing imports.
* gnu/home-services/xdg.scm: Fix ensure-list function.
* guix/scripts/home/import.scm: Add missing imports.

Signed-off-by: Oleg Pykhalov <go.wigust@gmail.com>
This commit is contained in:
Andrew Tropin 2021-09-28 12:30:55 +03:00 committed by Oleg Pykhalov
parent 0c6145e591
commit badf788f15
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GPG Key ID: 167F8EA5001AFA9C
4 changed files with 42 additions and 6 deletions
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2
gnu/home-services/configuration.scm
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@ -23,6 +23,8 @@
#:use-module (srfi srfi-1)
#:use-module (ice-9 curried-definitions)
#:use-module (ice-9 match)
#:use-module (guix i18n)
#:use-module (guix diagnostics)
#:export (filter-configuration-fields

30
gnu/home-services/utils.scm
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@ -24,7 +24,8 @@
#:export (maybe-object->string
object->snake-case-string
object->camel-case-string))
object->camel-case-string
list->human-readable-list))
(define (maybe-object->string object)
"Like @code{object->string} but don't do anyting if OBJECT already is
@ -75,3 +76,30 @@ STYLE can be three `@code{lower}', `@code{upper}', defaults to
(cons (first splitted-string)
(map string-capitalize
(cdr splitted-string))))))))))
(define* (list->human-readable-list lst
#:key
(cumulative? #f)
(proc identity))
"Turn a list LST into a sequence of terms readable by humans.
If CUMULATIVE? is @code{#t}, use ``and'', otherwise use ``or'' before
the last term.
PROC is a procedure to apply to each of the elements of a list before
turning them into a single human readable string.
@example
(list->human-readable-list '(1 4 9) #:cumulative? #t #:proc sqrt)
@result{} \"1, 2, and 3\"
@end example
yields:"
(let* ((word (if cumulative? "and " "or "))
(init (append (drop-right lst 1))))
(format #f "~a" (string-append
(string-join
(map (compose maybe-object->string proc) init)
", " 'suffix)
word
(maybe-object->string (proc (last lst)))))))

12
gnu/home-services/xdg.scm
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@ -287,9 +287,9 @@ The value of an XDG MIME entry must be a list, string or symbol, was given ~a")
@example
(merge-duplicates '((key1 . value1)
(key2 . value2)
(key1 . value3)
(key1 . value4)) '())
(key2 . value2)
(key1 . value3)
(key1 . value4)) '())
@result{} ((key1 . (value4 value3 value1)) (key2 . value2))
@end example"
@ -299,14 +299,16 @@ The value of an XDG MIME entry must be a list, string or symbol, was given ~a")
(tail (cdr alist))
(key (first head))
(value (cdr head))
(duplicate? (assoc key acc)))
(duplicate? (assoc key acc))
(ensure-list (lambda (x)
(if (list? x) x (list x)))))
(if duplicate?
;; XXX: This will change the order of things,
;; though, it shouldn't be a problem for XDG MIME.
(merge-duplicates
tail
(alist-cons key
(cons value (maybe-list (cdr duplicate?)))
(cons value (ensure-list (cdr duplicate?)))
(alist-delete key acc)))
(merge-duplicates tail (cons head acc)))))))

4
guix/scripts/home/import.scm
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@ -20,9 +20,13 @@
(define-module (guix scripts home import)
#:use-module (guix profiles)
#:use-module (guix ui)
#:use-module (guix utils)
#:use-module (guix packages)
#:use-module (gnu packages)
#:use-module (ice-9 match)
#:use-module (ice-9 pretty-print)
#:use-module (srfi srfi-1)
#:use-module (srfi srfi-26)
#:export (import-manifest))
;;; Commentary: