Add basic polybar configuration

oni/home/data/config.scm

@@ -16,7 +16,8 @@
   #:use-module (oni home services compton)
   #:use-module (oni home services xbindkeys)
   #:use-module (oni home services zsh)
-  #:use-module (oni home services herbstluftwm))
+  #:use-module (oni home services herbstluftwm)
+  #:use-module (oni home services polybar))
 
 (home-environment
  (packages (list (specification->package+output "glibc-locales")))
@@ -304,4 +305,8 @@
                "keybind Mod4-apostrophe spawn dunstctl close"
                "keybind Mod4-quotedbl spawn dunstctl close-all"
                "keybind Mod4-Control-apostrophe spawn dunstctl history-pop"
-               "keybind Mod4-Mod1-apostrophe spawn dunstctl context")))))))
+               "keybind Mod4-Mod1-apostrophe spawn dunstctl context"))))
+
+   (service home-polybar-service-type
+            (home-polybar-configuration
+             (bar "data"))))))

oni/home/services/polybar.scm

@@ -0,0 +1,50 @@
+(define-module (oni home services polybar)
+  #:use-module (gnu services configuration)
+  #:use-module (gnu packages wm)
+  #:use-module (gnu home services)
+  #:use-module (gnu home services shepherd)
+  #:use-module (gnu home services utils)
+  #:use-module (guix packages)
+  #:use-module (guix gexp)
+
+  #:export (home-polybar-service-type
+            home-polybar-configuration))
+
+(define-configuration home-polybar-configuration
+  (package
+   (package polybar)
+   "Package to use for setting polybar")
+  (bar
+   (string "default")
+   "Bar to use at startup")
+  (no-serialization))
+
+(define (add-polybar-packages config)
+  (list (home-polybar-configuration-package config)))
+
+(define (home-polybar-shepherd-service config)
+  (list
+   (shepherd-service
+    (documentation "Start polybar")
+    (provision '(polybar statusbar))
+    (auto-start? #t)
+    (start
+     #~(make-forkexec-constructor
+        (list #$(file-append (home-polybar-configuration-package config) "/bin/polybar")
+              #$(home-polybar-configuration-bar config))
+        #:log-file (format #f "~a/.local/var/log/polybar.log" (getenv "HOME"))))
+    (stop #~(make-kill-destructor)))))
+
+(define home-polybar-service-type
+  (service-type
+   (name 'home-polybar)
+   (extensions
+    (list (service-extension
+           home-profile-service-type
+           add-polybar-packages)
+          (service-extension
+           home-shepherd-service-type
+           home-polybar-shepherd-service)))
+   (compose identity)
+   (default-value (home-polybar-configuration))
+   (description "Install and configure polybar.")))