Add Federated Calendar

utils.sh

@@ -36,6 +36,23 @@ install_packages() {
   fi
 }
 
+FEDERATED_REPO_URL="https://gitea.federated.computer/api/packages/Federated_Computer/arch"
+FEDERATED_REPO_KEY="6AB7C080D87C74BEE3925A026329376994F18B4E"
+
+# Add Federated Computer's pacman repo, which Gitea serves and signs, and trust
+# its key. Does nothing if both are already set up.
+ensure_federated_repo() {
+  if ! sudo pacman-key --list-keys "$FEDERATED_REPO_KEY" &> /dev/null; then
+    curl -fsSL "$FEDERATED_REPO_URL/repository.key" | sudo pacman-key --add - || return 1
+    sudo pacman-key --lsign-key "$FEDERATED_REPO_KEY" > /dev/null || return 1
+  fi
+
+  if ! grep -q '^\[federated\]' /etc/pacman.conf; then
+    printf '\n[federated]\nSigLevel = Required DatabaseRequired\nServer = %s/$repo/$arch\n' \
+      "$FEDERATED_REPO_URL" | sudo tee -a /etc/pacman.conf > /dev/null || return 1
+  fi
+}
+
 # Function to install pipx applications if not already installed
 install_pipx_apps() {
   local installed app status=0