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[bug#36676] [PATCH 3/3] guix: cargo-build-system: Use bundled json inste

From: Robert Vollmert
Subject: [bug#36676] [PATCH 3/3] guix: cargo-build-system: Use bundled json instead of guile-json
Date: Mon, 15 Jul 2019 21:41:55 +0200


* guix/build/cargo-build-system.scm: Use (gnu build json) instead
of (json parser).
* guix/build-system/cargo.scm: Import (gnu build json) instead of
(json parser).
 guix/build-system/cargo.scm       | 2 +-
 guix/build/cargo-build-system.scm | 8 ++++----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/guix/build-system/cargo.scm b/guix/build-system/cargo.scm
index fa211d456d..10a1bac844 100644
--- a/guix/build-system/cargo.scm
+++ b/guix/build-system/cargo.scm
@@ -61,7 +61,7 @@ to NAME and VERSION."
 (define %cargo-build-system-modules
   ;; Build-side modules imported by default.
   `((guix build cargo-build-system)
-    (json parser)
+    (guix build json)
 (define* (cargo-build store name inputs
diff --git a/guix/build/cargo-build-system.scm 
index e4e62dd838..f38de16cf7 100644
--- a/guix/build/cargo-build-system.scm
+++ b/guix/build/cargo-build-system.scm
@@ -20,6 +20,7 @@
 (define-module (guix build cargo-build-system)
   #:use-module ((guix build gnu-build-system) #:prefix gnu:)
+  #:use-module (guix build json)
   #:use-module (guix build utils)
   #:use-module (guix build cargo-utils)
   #:use-module (ice-9 popen)
@@ -27,7 +28,6 @@
   #:use-module (ice-9 ftw)
   #:use-module (ice-9 format)
   #:use-module (ice-9 match)
-  #:use-module (json parser)
   #:use-module (srfi srfi-1)
   #:use-module (srfi srfi-26)
   #:export (%standard-phases
@@ -42,15 +42,15 @@
 (define (manifest-targets)
   "Extract all targets from the Cargo.toml manifest"
   (let* ((port (open-input-pipe "cargo read-manifest"))
-         (data (json->scm port))
-         (targets (hash-ref data "targets" '())))
+         (data (read-json port))
+         (targets (or (assoc-ref data "targets") '())))
     (close-port port)
 (define (has-executable-target?)
   "Check if the current cargo project declares any binary targets."
   (let* ((bin? (lambda (kind) (string=? kind "bin")))
-         (get-kinds (lambda (dep) (hash-ref dep "kind")))
+         (get-kinds (lambda (dep) (assoc-ref dep "kind")))
          (bin-dep? (lambda (dep) (find bin? (get-kinds dep)))))
     (find bin-dep? (manifest-targets))))
2.20.1 (Apple Git-117)

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