acct-user/ollama: require video group with cuda

Signed-off-by: Paul Zander <negril.nx+gentoo@gmail.com>

acct-user/ollama/ollama-2.ebuild

@@ -1,4 +1,4 @@
-# Copyright 2024 Gentoo Authors
+# Copyright 2024-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
@@ -8,7 +8,22 @@ inherit acct-user
 DESCRIPTION="A user for ollama"
 ACCT_USER_ID=-1
 ACCT_USER_HOME=/var/lib/ollama
-ACCT_USER_HOME_PERMS=0700
+ACCT_USER_HOME_PERMS=0750
 ACCT_USER_GROUPS=( ollama )
 
+IUSE="cuda"
+
 acct-user_add_deps
+
+RDEPEND+="
+	cuda? (
+		acct-group/video
+	)
+"
+
+pkg_setup() {
+	# sci-ml/ollama[cuda]
+	if use cuda; then
+		ACCT_USER_GROUPS+=( video )
+	fi
+}