gnu: Add jc.

* gnu/packages/admin.scm (jc): New variable.

gnu/packages/admin.scm

@@ -124,6 +124,7 @@
   #:use-module (gnu packages qt)
   #:use-module (gnu packages readline)
   #:use-module (gnu packages ruby)
+  #:use-module (gnu packages serialization)
   #:use-module (gnu packages sphinx)
   #:use-module (gnu packages tcl)
   #:use-module (gnu packages terminals)
@@ -3864,6 +3865,30 @@ supports.  It can also mount encrypted LUKS volumes using the password
 supplied by the user when logging in.")
     (license (list license:gpl2+ license:lgpl2.1+))))
 
+(define-public jc
+  (package
+    (name "jc")
+    (version "1.11.8")
+    (source (origin
+              (method git-fetch)
+              (uri (git-reference
+                    (url "https://github.com/kellyjonbrazil/jc.git")
+                    (commit (string-append "v" version))))
+              (file-name (git-file-name name version))
+              (sha256
+               (base32
+                "0rkckbgm04ql4r48wjgljfiqvsz36n99yqcpcyna8lvlm8h4nmwa"))))
+    (build-system python-build-system)
+    (propagated-inputs
+     `(("python-ruamel.yaml" ,python-ruamel.yaml)
+       ("python-xmltodict" ,python-xmltodict)
+       ("python-pygments" ,python-pygments)))
+    (home-page "https://github.com/kellyjonbrazil/jc")
+    (synopsis "Convert the output of command-line tools to JSON")
+    (description "@code{jc} JSONifies the output of many CLI tools and
+file-types for easier parsing in scripts.")
+    (license license:expat)))
+
 (define-public jtbl
   (package
     (name "jtbl")