From edfc8c25582b5fc0673f36b7af121ab8496bba24 Mon Sep 17 00:00:00 2001
From: Tom Willemse
Date: Tue, 29 Aug 2023 22:21:30 -0700
Subject: Add emacs-yasnippet-capf to my configuration

---
 oni/home/config/rincewind.scm |  6 ++++--
 oni/home/services/emacs.scm   | 41 ++++++++++++++++++++++++++++++++++++++++-
 oni/packages/emacs.scm        | 22 ++++++++++++++++++++++
 3 files changed, 66 insertions(+), 3 deletions(-)

(limited to 'oni')

diff --git a/oni/home/config/rincewind.scm b/oni/home/config/rincewind.scm
index 6875046..540e26e 100644
--- a/oni/home/config/rincewind.scm
+++ b/oni/home/config/rincewind.scm
@@ -72,7 +72,8 @@
                 #:select (home-emacs-service-type
                           home-emacs-configuration
                           home-emacs-helpful-service-type
-                          home-emacs-helpful-configuration))
+                          home-emacs-helpful-configuration
+                          home-emacs-yasnippet-capf-service-type))
   #:use-module ((oni home services environment)
                 #:select (home-environment-service))
   #:use-module ((oni home services flameshot)
@@ -325,7 +326,8 @@
             (home-emacs-helpful-configuration
              (configurations
               (list
-               (local-file "../services/emacs/helpful.el")))))
+               (local-file "../services/emacs/oni-helpful.el")))))
+   (service home-emacs-yasnippet-capf-service-type)
 
    (service home-flameshot-service-type)
 
diff --git a/oni/home/services/emacs.scm b/oni/home/services/emacs.scm
index 6d05821..c50809f 100644
--- a/oni/home/services/emacs.scm
+++ b/oni/home/services/emacs.scm
@@ -25,11 +25,17 @@
   #:use-module ((guix packages)
                 #:select (package?))
 
+  #:use-module ((oni packages emacs)
+                #:select (emacs-yasnippet-capf))
+
   #:export (home-emacs-service-type
             home-emacs-configuration
 
             home-emacs-helpful-service-type
-            home-emacs-helpful-configuration))
+            home-emacs-helpful-configuration
+
+            home-emacs-yasnippet-capf-service-type
+            home-emacs-yasnippet-capf-configuration))
 
 (define-configuration/no-serialization home-emacs-extension
   (configurations
@@ -119,3 +125,36 @@
    (compose identity)
    (default-value (home-emacs-helpful-configuration))
    (description "Install and configure emacs-helpful.")))
+
+(define-configuration/no-serialization home-emacs-yasnippet-capf-configuration
+  (package
+    (package emacs-yasnippet-capf)
+    "Package to use for setting emacs-yasnippet-capf.")
+  (configurations
+   (text-config '())
+   "Configuration for emacs-yasnippet-capf."))
+
+(define (add-emacs-yasnippet-capf config)
+  (home-emacs-extension
+   (configurations
+    (append
+     (list (mixed-text-file "yasnippet-capf-config"
+                            "(with-eval-after-load 'minibuffer (add-to-list 'completions-at-point-functions #'yasnippet-capf))\n"))
+     (home-emacs-yasnippet-capf-configuration-configurations config)))))
+
+(define (add-emacs-yasnippet-capf-packages config)
+  (list (home-emacs-yasnippet-capf-configuration-package config)))
+
+(define home-emacs-yasnippet-capf-service-type
+  (service-type
+   (name 'home-yasnippet-capf)
+   (extensions
+    (list (service-extension
+           home-emacs-service-type
+           add-emacs-yasnippet-capf)
+          (service-extension
+           home-profile-service-type
+           add-emacs-yasnippet-capf-packages)))
+   (compose identity)
+   (default-value (home-emacs-yasnippet-capf-configuration))
+   (description "Install and configure emacs-yasnippet-capf.")))
diff --git a/oni/packages/emacs.scm b/oni/packages/emacs.scm
index 008f283..526f96c 100644
--- a/oni/packages/emacs.scm
+++ b/oni/packages/emacs.scm
@@ -390,3 +390,25 @@ key features.")
 new-theme for a while. I couldn't think of a name so I named it after him.")
       (license license:gpl3+))))
 
+(define-public emacs-yasnippet-capf
+  (let ((commit "40654214db7a44db3a99321447632b43a10fae57")
+        (revision "0"))
+    (package
+      (name "emacs-yasnippet-capf")
+      (version (git-version "7.0.0" revision commit))
+      (source
+       (origin
+         (uri (git-reference
+               (url "https://github.com/elken/yasnippet-capf.git")
+               (commit commit)))
+         (method git-fetch)
+         (file-name (git-file-name name version))
+         (sha256
+          (base32 "1kywl7jblrmixr0vwycpil5hyk4p5qlc3gxg9w25xga4jj91r663"))))
+      (propagated-inputs
+       (list emacs-yasnippet))
+      (build-system emacs-build-system)
+      (home-page "https://github.com/elken/yasnippet-capf")
+      (synopsis "Completion-At-Point Extension for YASnippet")
+      (description "A simple capf (Completion-At-Point Function) for completing yasnippet snippets.")
+      (license license:gpl3))))
-- 
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