add scripts

scripts/files/add-edid.sh

@@ -0,0 +1,27 @@
+#!/bin/bash
+set -e
+
+ENTRY_DIR="/efi/loader/entries"
+BACKUP_DIR="${ENTRY_DIR}/backup-$(date +%F-%H%M%S)"
+EDID_PARAM="drm.edid_firmware=DP-1:edid/g80.bin"
+
+echo "Backing up boot entries..."
+sudo mkdir -p "$BACKUP_DIR"
+sudo cp -v "${ENTRY_DIR}"/*.conf "$BACKUP_DIR"
+
+echo "Adding EDID parameter to boot entry files..."
+for file in "${ENTRY_DIR}"/*.conf; do
+    if grep -q "$EDID_PARAM" "$file"; then
+        echo "Already present in $(basename "$file"), skipping."
+        continue
+    fi
+
+    # Use | as delimiter to avoid issues with '/'
+    sudo sed -i "s|^options|& ${EDID_PARAM}|" "$file"
+    echo "Updated $(basename "$file")"
+done
+
+echo
+echo "All done!"
+echo "Backup saved to: $BACKUP_DIR"
+echo "Reboot to apply changes."