From 323d482eaba033075b9bcc8eb577321752ab898b Mon Sep 17 00:00:00 2001
From: ZGaetano <zgaetano@wilddragon.net>
Date: Mon, 1 Jun 2026 13:34:07 -0400
Subject: [PATCH] feat(deltacast): install 99-wild-dragon-deltacast.rules to
 create 8 /dev/deltacast symlinks

---
 deploy/install-driver.sh | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/deploy/install-driver.sh b/deploy/install-driver.sh
index 090c24f..5d46aa2 100644
--- a/deploy/install-driver.sh
+++ b/deploy/install-driver.sh
@@ -192,6 +192,7 @@ install_aja() {
 install_deltacast() {
   if lsmod 2>/dev/null | grep -q 'videomaster' || ls /dev/deltacast* >/dev/null 2>&1; then
     log "Deltacast module loaded / device present — already installed"
+    install_deltacast_udev_rule
     return 0
   fi
 
@@ -234,11 +235,38 @@ install_deltacast() {
   if lsmod 2>/dev/null | grep -q 'videomaster' || ls /dev/deltacast* >/dev/null 2>&1; then
     log "Deltacast VideoMaster installed"
   fi
+
+  # Install our own udev rule that creates 8 /dev/deltacast symlinks (ports 0-7)
+  # pointing at the single real device node. Kept separate from the SDK's own
+  # rule so a driver reinstall won't clobber it.
+  install_deltacast_udev_rule
+
   # First-time VideoMaster installs lay down udev rules + firmware that need a reboot.
   warn "Deltacast: a REBOOT is recommended after a first-time VideoMaster install (udev + firmware)"
   REBOOT_REQUIRED=1
 }
 
+# Copy the repo's 99-wild-dragon-deltacast.rules into /etc/udev/rules.d/ and
+# reload. Idempotent. Creates /dev/deltacast0..7 -> /dev/delta-x3700 so the
+# node-agent advertises all 8 RX channels.
+install_deltacast_udev_rule() {
+  local rule_src="$REPO_DIR/deploy/udev/99-wild-dragon-deltacast.rules"
+  local rule_dst="/etc/udev/rules.d/99-wild-dragon-deltacast.rules"
+  if [ ! -f "$rule_src" ]; then
+    warn "Deltacast: udev rule $rule_src not found in repo — skipping symlink rule install"
+    return 0
+  fi
+  if [ -f "$rule_dst" ] && cmp -s "$rule_src" "$rule_dst"; then
+    log "Deltacast: udev rule already up to date at $rule_dst"
+  else
+    log "installing Deltacast udev rule -> $rule_dst"
+    install -D -m 0644 "$rule_src" "$rule_dst" 2>/dev/null \
+      || { warn "Deltacast: failed to install udev rule (continuing)"; return 0; }
+    udevadm control --reload-rules 2>/dev/null || true
+    udevadm trigger --action=add /dev/delta-x3700 2>/dev/null || true
+  fi
+}
+
 # ===========================================================================
 # ndi — copy redistributable runtime libs to /usr/local/lib + ldconfig
 # ===========================================================================