tools: add read-only on-TV diagnostic dump

Run with: ssh root@<tv> 'sh -s' < tools/tv-diag.sh > tv-diag.txt

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

tools/tv-diag.sh

@@ -0,0 +1,105 @@
+#!/bin/sh
+# Dumps everything needed to work out why the update popup still appears.
+# Read-only: it changes nothing on the TV.
+#
+#   ssh root@<tv-ip> 'sh -s' < tools/tv-diag.sh > tv-diag.txt
+#
+# Busybox-friendly on purpose - no bashisms, every command guarded.
+
+SLUG=lgupdateblocker
+STATE=/var/lib/webosbrew/$SLUG
+
+section() { echo; echo "=================== $* ==================="; }
+have() { command -v "$1" >/dev/null 2>&1; }
+
+section "identity"
+id
+cat /etc/starfish-release 2>/dev/null || echo "(no /etc/starfish-release)"
+cat /var/run/nyx/device_info.json 2>/dev/null | head -c 600
+echo
+uptime
+date
+
+section "did our boot hook run this boot?"
+ls -l /var/lib/webosbrew/init.d/ 2>&1
+echo "--- last 60 lines of $STATE/boot.log ---"
+tail -60 "$STATE/boot.log" 2>&1
+echo "--- config ---"
+cat "$STATE/config.json" 2>&1
+echo
+echo "--- hosts list the hook uses ---"
+cat "$STATE/hosts.txt" 2>&1
+
+section "homebrew channel startup"
+ls -la /var/lib/webosbrew/ 2>&1
+ls -la /var/luna/preferences/ 2>/dev/null | grep -i webosbrew
+echo "--- hbc startup script ---"
+ls -l /media/developer/apps/usr/palm/services/org.webosbrew.hbchannel.service/startup.sh 2>&1
+
+section "/etc/hosts"
+cat /etc/hosts 2>&1
+echo "--- is it bind-mounted? ---"
+grep -i hosts /proc/mounts 2>&1
+
+section "does blocking actually work?"
+for h in su.lge.com snu.lge.com nsu.lge.com su-ssl.lge.com; do
+    if have nslookup; then
+        echo "$h -> $(nslookup "$h" 2>&1 | tail -3 | tr '\n' ' ')"
+    else
+        echo "$h -> $(ping -c 1 -W 2 "$h" 2>&1 | head -1)"
+    fi
+done
+
+section "staged firmware / update data"
+find /mnt/lg -maxdepth 4 \( -iname '*swupdate*' -o -iname '*epk*' -o -iname '*upgrade*' \) 2>/dev/null | head -40
+for d in /mnt/lg/cmn_data/swupdate /mnt/lg/swupdate /mnt/lg/user/swupdate; do
+    [ -e "$d" ] || continue
+    echo "--- $d ---"
+    ls -la "$d" 2>&1
+    du -sh "$d" 2>&1
+done
+echo "--- anything mounted over them? ---"
+grep -i -E 'swupdate|/mnt/lg' /proc/mounts 2>&1
+
+section "update services"
+echo "--- upstart jobs ---"
+ls /etc/init 2>/dev/null | grep -i -E 'update|upgrade|swup|ota'
+echo "--- luna services ---"
+ls /usr/palm/services 2>/dev/null | grep -i -E 'update|upgrade|swup|ota'
+ls /var/palm/ls2/roles/prv 2>/dev/null | grep -i -E 'update|upgrade|swup|ota'
+echo "--- running processes ---"
+ps 2>/dev/null | grep -i -E 'swupdate|updater|upgrade' | grep -v grep
+
+section "update-related settings"
+for c in option general network commercial system; do
+    echo "--- category $c ---"
+    luna-send -n 1 -f "luna://com.webos.settingsservice/getSystemSettings" \
+        "{\"category\":\"$c\"}" 2>&1 |
+        tr ',' '\n' | grep -i -E 'update|upgrade|firmware|ota|epk'
+done
+
+section "what the update service itself says"
+for svc in com.webos.service.swupdate com.webos.service.swupdater com.webos.service.update com.webos.service.upgrade; do
+    echo "--- $svc/getStatus ---"
+    luna-send -n 1 -t 3 -f "luna://$svc/getStatus" '{}' 2>&1 | head -c 500
+    echo
+done
+
+section "boot log: who raised the popup"
+for f in /var/log/messages /var/log/syslog; do
+    [ -f "$f" ] || continue
+    echo "--- $f (update-related, last 60) ---"
+    grep -i -E 'swupdate|softwareupdate|upgrade|firmware' "$f" 2>/dev/null | tail -60
+done
+echo "--- notifications / alerts, last 40 ---"
+grep -i -E 'createAlert|notificationmgr|systemAlert' /var/log/messages 2>/dev/null | tail -40
+
+section "luna preferences that mention update"
+grep -ril update /var/luna/preferences/ 2>/dev/null | head -20
+for f in $(grep -ril update /var/luna/preferences/ 2>/dev/null | head -20); do
+    echo "--- $f ---"
+    head -c 300 "$f"
+    echo
+done
+
+section "done"