From 7957b236de1638fdcc1c9d16780c463defd8f961 Mon Sep 17 00:00:00 2001
From: Tom Willemse <tom@ryuslash.org>
Date: Fri, 22 Jul 2022 12:36:36 -0700
Subject: [PATCH] Add guile configuration

---
 oni/home/data/config.scm    |  8 ++++-
 oni/home/services/guile.scm | 66 +++++++++++++++++++++++++++++++++++++
 2 files changed, 73 insertions(+), 1 deletion(-)
 create mode 100644 oni/home/services/guile.scm

diff --git a/oni/home/data/config.scm b/oni/home/data/config.scm
index 0c89d5b..f54221f 100644
--- a/oni/home/data/config.scm
+++ b/oni/home/data/config.scm
@@ -25,6 +25,7 @@
   #:use-module (oni home services syncthing)
   #:use-module (oni home services unclutter)
   #:use-module (oni home services dunst)
+  #:use-module (oni home services guile)
   #:use-module (oni packages hlwm-run-or-raise)
   #:use-module (oni packages pick-random-wallpaper))
 
@@ -444,4 +445,9 @@ LocalForward 2812 localhost:2812"))
                 ("gPodder"
                  (appname "gPodder")
                  (background "#7f5785")
-                 (foreground "#ffffff")))))))))
+                 (foreground "#ffffff"))))))
+
+   (service home-guile-service-type
+            (home-guile-configuration
+             (use-readline #t)
+             (use-colorized #t))))))
diff --git a/oni/home/services/guile.scm b/oni/home/services/guile.scm
new file mode 100644
index 0000000..a8b17f5
--- /dev/null
+++ b/oni/home/services/guile.scm
@@ -0,0 +1,66 @@
+(define-module (oni home services guile)
+  #:use-module (ice-9 match)
+  #:use-module (gnu home services)
+  #:use-module (gnu packages guile)
+  #:use-module (gnu packages guile-xyz)
+  #:use-module (gnu services configuration)
+  #:use-module (guix packages)
+  #:use-module (guix gexp)
+
+  #:export (home-guile-service-type
+            home-guile-configuration))
+
+(define (serialize-boolean field value)
+  (match field
+    ('use-readline
+     (if value
+         "(use-modules (ice-9 readline))
+(activate-readline)\n"
+         ""))
+    ('use-colorized
+     (if value
+         "(use-modules (ice-9 colorized))
+(activate-colorized)\n"
+         ""))))
+
+(define-configuration home-guile-configuration
+  (package
+   (package guile-3.0-latest)
+   "Package to use for setting Guile")
+  (use-readline
+   (boolean #f)
+   "Should readline be initialized in Guile?")
+  (use-colorized
+   (boolean #f)
+   "Should the colorized module be initialized in Guile?"))
+
+(define (add-guile-packages config)
+  (let ((package-list (append (list (home-guile-configuration-package config))
+                              (if (home-guile-configuration-use-readline config) (list guile-readline) '())
+                              (if (home-guile-configuration-use-colorized config) (list guile-colorized) '()))))
+    (display package-list)
+    package-list))
+
+(define (serialize-guile-configuration config)
+  (serialize-configuration config home-guile-configuration-fields))
+
+(define (home-guile-config-file config)
+  (computed-file "guile"
+                 #~(call-with-output-file #$output
+                     (lambda (port)
+                       (display #$(serialize-guile-configuration config) port)))))
+
+(define (home-guile-config-files config)
+  `((".guile" ,(home-guile-config-file config))))
+
+(define home-guile-service-type
+  (service-type (name 'home-guile)
+                (extensions
+                 (list (service-extension
+                        home-files-service-type
+                        home-guile-config-files)
+                       (service-extension
+                        home-profile-service-type
+                        add-guile-packages)))
+                (default-value (home-guile-configuration))
+                (description "Configure guile")))