From c7c66c55061df867c7af05c6c82ccbe6f498c330 Mon Sep 17 00:00:00 2001
From: jdlugosz963 <jdlugosz963@gmail.com>
Date: Fri, 20 Sep 2024 15:49:53 +0200
Subject: Change the way i reconfigure my system.

---
 guix/jd/desktops/berserker.scm | 36 ++++-------------------------------
 guix/jd/desktops/mimir.scm     | 28 +++------------------------
 guix/jd/utils.scm              | 43 +++++++++++++++++++++++++++++++++++++++++-
 3 files changed, 49 insertions(+), 58 deletions(-)

(limited to 'guix/jd')

diff --git a/guix/jd/desktops/berserker.scm b/guix/jd/desktops/berserker.scm
index 37e7adc..3d6b0df 100755
--- a/guix/jd/desktops/berserker.scm
+++ b/guix/jd/desktops/berserker.scm
@@ -1,45 +1,17 @@
 (define-module (jd desktops berserker)
   #:use-module (jd desktops base)
   #:use-module (jd packages linux)
+  #:use-module (jd utils)
   #:use-module (gnu)
   #:use-module (gnu home))
 
-(define home
+(define-public home
   (home-environment
    (services %jd-base-home-services)))
 
-(define system
+(define-public system
   (operating-system
    (inherit odin-non-free)
    (kernel-loadable-modules (list xmm7360-pci))
-   (host-name "berserker")
+   (host-name "berserker")))
 
-   
-  (bootloader (bootloader-configuration
-                (bootloader grub-efi-bootloader)
-                (targets (list "/boot/efi"))))
-  (mapped-devices (list (mapped-device
-                          (source (uuid
-                                   "1f2b1bf2-89fe-4e2c-8b40-c460572bb776"))
-                          (target "crypthome")
-                          (type luks-device-mapping))))
-
-  (file-systems (cons* (file-system
-                         (mount-point "/")
-                         (device (uuid
-                                  "66396ba1-bda9-46bd-ab26-5edc46b437d6"
-                                  'ext4))
-                         (type "ext4"))
-                       (file-system
-                         (mount-point "/boot/efi")
-                         (device (uuid "482A-B117"
-                                       'fat32))
-                         (type "vfat"))
-                       (file-system
-                         (mount-point "/home")
-                         (device "/dev/mapper/crypthome")
-                         (type "ext4")
-                         (dependencies mapped-devices)) %base-file-systems))))
-
-
-(if (getenv "JD_HOME") home system)
diff --git a/guix/jd/desktops/mimir.scm b/guix/jd/desktops/mimir.scm
index 7d9823d..e5db0b7 100644
--- a/guix/jd/desktops/mimir.scm
+++ b/guix/jd/desktops/mimir.scm
@@ -3,34 +3,12 @@
   #:use-module (gnu)
   #:use-module (gnu home))
 
-(define home
+(define-public home
   (home-environment
    (services %jd-base-home-services)))
 
-(define system
+(define-public system
   (operating-system
    (inherit odin-non-free)
-   (host-name "mimir")
-
-   (bootloader (bootloader-configuration
-		(bootloader grub-efi-bootloader)
-		(targets (list "/boot/efi"))))
-
-   (swap-devices (list (swap-space
-			(target (uuid
-				 "5402ec34-85b8-4716-9c37-3d38c452ef98")))))
-
-   (file-systems (cons* (file-system
-			 (mount-point "/boot/efi")
-			 (device (uuid "1A88-DB36"
-                                       'fat32))
-			 (type "vfat"))
-			(file-system
-			 (mount-point "/")
-			 (device (uuid
-                                  "640c44ea-125f-4410-a8de-3ec0fb3656c4"
-                                  'ext4))
-			 (type "ext4")) %base-file-systems))))
-
-(if (getenv "JD_HOME") home system)
+   (host-name "mimir")))
 
diff --git a/guix/jd/utils.scm b/guix/jd/utils.scm
index f4a35c1..72be6fc 100644
--- a/guix/jd/utils.scm
+++ b/guix/jd/utils.scm
@@ -1,5 +1,46 @@
 (define-module (jd utils)
-  #:export (jd-search-patches))
+  #:use-module (gnu system)
+  #:use-module (ice-9 match)
+  #:export (jd-search-patches
+	    current-operating-system
+	    current-home))
+
+(define primitive-host-operating-system
+  "/etc/config.scm")
+
+(define-macro (define-combine-operating-systems name fields)
+  `(define (,name os-to-inherit-from os)
+     (operating-system
+      (inherit os-to-inherit-from)
+      ,@(map (lambda (field)
+	       `(,field
+		 (,(string->symbol
+		    (string-append
+		     "operating-system-"
+		     (symbol->string field)))
+		  os)))
+	     fields))))
+
+(define-combine-operating-systems combine-install-dest-informations
+  (bootloader mapped-devices file-systems))
+
+(define (make-reconfigureable-os os)
+  (combine-install-dest-informations
+   os
+   (load primitive-host-operating-system)))
+
+(define (current-operating-system)
+  (make-reconfigureable-os
+   (module-ref
+    (resolve-module
+     `(jd desktops ,(string->symbol (gethostname))))
+    'system)))
+
+(define (current-home)
+  (module-ref
+   (resolve-module
+    `(jd desktops ,(string->symbol (gethostname))))
+   'home))
 
 ;; This code is copied and modified from (gnu packages) module. 
 
-- 
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