extra/cantor to 20.12.3-2

extra/cantor/PKGBUILD

@@ -7,7 +7,7 @@
 
 pkgname=cantor
 pkgver=20.12.3
-pkgrel=1
+pkgrel=2
 pkgdesc="KDE Frontend to Mathematical Software"
 url="https://kde.org/applications/education/cantor/"
 arch=(x86_64)
@@ -22,13 +22,19 @@ optdepends=('maxima: Maxima backend'
             'python: Python 3 backend'
             'sagemath: SageMath backend'
             'julia: Julia backend')
-source=("https://download.kde.org/stable/release-service/$pkgver/src/$pkgname-$pkgver.tar.xz"{,.sig})
+source=("https://download.kde.org/stable/release-service/$pkgver/src/$pkgname-$pkgver.tar.xz"{,.sig}
+         cantor-sage-completions.patch::https://invent.kde.org/education/cantor/-/merge_requests/26.patch)
 sha256sums=('4b4689d301963959fa112abfd3447ecdc1228db2aafb8403938b14fb2b69ca38'
-            'SKIP')
+            'SKIP'
+            '95c28bdb9d01f17868503704fa7d40c0f5c80fb4e217e09b71876c11d0e47401')
 validpgpkeys=(CA262C6C83DE4D2FB28A332A3A6A4DB839EAA6D7  # Albert Astals Cid <aacid@kde.org>
               F23275E4BF10AFC1DF6914A6DBD2CE893E2D1C87  # Christoph Feck <cfeck@kde.org>
               D81C0CB38EB725EF6691C385BB463350D6EF31EF) # Heiko Becker <heiko.becker@kde.org>
 
+prepare() {
+  patch -d $pkgname-$pkgver -p1 -i ../cantor-sage-completions.patch # Fix tab completion in Sage
+}
+
 build() {
   cmake -B build -S $pkgname-$pkgver \
     -DBUILD_TESTING=OFF