From 7df3ab0f0d21e6414a22b113c832dc18475f34a7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ludovic=20Court=C3=A8s?= Date: Thu, 21 Jan 2021 16:06:10 +0100 Subject: store: Add 'find-roots' RPC. * guix/serialization.scm (read-string-pairs): New procedure. * guix/store.scm (read-arg): Add support for 'string-pairs'. (find-roots): New procedure. * tests/store.scm ("add-indirect-root and find-roots"): New test. --- guix/serialization.scm | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) (limited to 'guix/serialization.scm') diff --git a/guix/serialization.scm b/guix/serialization.scm index 59cd93fb18..9d0739f6c5 100644 --- a/guix/serialization.scm +++ b/guix/serialization.scm @@ -1,5 +1,5 @@ ;;; GNU Guix --- Functional package management for GNU -;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 Ludovic Courtès +;;; Copyright © 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès ;;; ;;; This file is part of GNU Guix. ;;; @@ -34,7 +34,7 @@ write-bytevector write-string read-string read-latin1-string read-maybe-utf8-string write-string-list read-string-list - write-string-pairs + write-string-pairs read-string-pairs write-store-path read-store-path write-store-path-list read-store-path-list (dump . dump-port*) @@ -166,6 +166,14 @@ substitute invalid byte sequences with question marks. This is a (write-int (length l) p) (for-each (cut write-string <> p) l)) +(define (read-string-list p) + (let ((len (read-int p))) + (unfold (cut >= <> len) + (lambda (i) + (read-string p)) + 1+ + 0))) + (define (write-string-pairs l p) (write-int (length l) p) (for-each (match-lambda @@ -174,11 +182,11 @@ substitute invalid byte sequences with question marks. This is a (write-string second p))) l)) -(define (read-string-list p) +(define (read-string-pairs p) (let ((len (read-int p))) (unfold (cut >= <> len) (lambda (i) - (read-string p)) + (cons (read-string p) (read-string p))) 1+ 0))) -- cgit v1.2.3