chore: Improve RPMFusion repo install robustness

modules/bling/installers/rpmfusion.sh

@@ -3,22 +3,19 @@
 # Tell build process to exit if there are any errors.
 set -euo pipefail
 
-# Check if rpmfusion is already installed before running
-if [[ "$(rpm -q rpmfusion-free-release)" != "rpmfusion-free-release"* && "$(rpm -q rpmfusion-nonfree-release)" != "rpmfusion-nonfree-release"* ]]; then
-
-    echo "running rpmfusion install..."
-    rpm-ostree install \
-        "https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-${OS_VERSION}.noarch.rpm" \
-        "https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-${OS_VERSION}.noarch.rpm"
-
-    # check if negativo17 repo is installed
-    if [[ -f /etc/yum.repos.d/negativo17-fedora-multimedia.repo ]]; then
-        echo "making sure negativo17 repo is disabled"
-        sed -i 's@enabled=1@enabled=0@g' /etc/yum.repos.d/negativo17-fedora-multimedia.repo
-    fi
+NEGATIVO_REPO_FILE="$(awk -F'=' '$1 == "name" && $2 == "negativo17 - Multimedia" {print FILENAME}' /etc/yum.repos.d/*)"
 
+# Check if rpmfusion is already installed before running
+if ! rpm -q rpmfusion-free-release &>/dev/null && ! rpm -q rpmfusion-nonfree-release &>/dev/null; then
+  echo "Running RPMFusion repo install..."
+  rpm-ostree install \
+    "https://mirrors.rpmfusion.org/free/fedora/rpmfusion-free-release-${OS_VERSION}.noarch.rpm" \
+    "https://mirrors.rpmfusion.org/nonfree/fedora/rpmfusion-nonfree-release-${OS_VERSION}.noarch.rpm"
+  # check if negativo17 repo is installed
+  if [[ -n "${NEGATIVO_REPO_FILE}" ]]; then
+    echo "Making sure that Negativo17 repo is disabled"
+    sed -i 's@enabled=1@enabled=0@g' "${NEGATIVO_REPO_FILE}"
+  fi
 else
-
-    echo "rpmfusion is already installed"
-
-fi
+  echo "RPMFusion repo is already installed"
+fi