From 52510ac20d826096f0745c462d6182cb23418fe7 Mon Sep 17 00:00:00 2001
From: Brad Stein <Brad.Stein@gmail.com>
Date: Thu, 16 Apr 2026 16:25:01 -0300
Subject: [PATCH] lesavka: let server install continue without capture cards

---
 scripts/install/server.sh | 47 +++++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 19 deletions(-)

diff --git a/scripts/install/server.sh b/scripts/install/server.sh
index ae7cfc9..29081fd 100755
--- a/scripts/install/server.sh
+++ b/scripts/install/server.sh
@@ -116,33 +116,42 @@ if [ "${#GC_VIDEOS[@]}" -ne 2 ]; then
 fi
 
 if [ "${#GC_VIDEOS[@]}" -ne 2 ]; then
-    echo "❌  Exactly two GC311 capture cards (index0) must be attached!" >&2
-    printf '   Detected: %s\n' "${GC_VIDEOS[@]}"
-    exit 1
-fi
+    echo "⚠️  GC311 capture cards not fully present; skipping udev eye-link refresh." >&2
+    if [ "${#GC_VIDEOS[@]}" -eq 0 ]; then
+        echo "    Detected: none" >&2
+    else
+        printf '    Detected: %s\n' "${GC_VIDEOS[@]}" >&2
+    fi
+    echo "    The server install will continue, and existing /dev/lesavka_* links stay untouched." >&2
+else
+    mapfile -t TAGS < <(
+        for v in "${GC_VIDEOS[@]}"; do
+            sudo udevadm info -q property -n "$v" |
+              awk -F= '/^ID_PATH_TAG=/{print $2}'
+        done
+    )
 
-mapfile -t TAGS < <(
-    for v in "${GC_VIDEOS[@]}"; do
-        sudo udevadm info -q property -n "$v" |
-          awk -F= '/^ID_PATH_TAG=/{print $2}'
-    done
-)
+    if [ -z "${TAGS[0]:-}" ] || [ -z "${TAGS[1]:-}" ]; then
+        echo "⚠️  GC311 cards were detected, but ID_PATH_TAG lookup was incomplete." >&2
+        echo "    Skipping udev eye-link refresh and preserving any existing /dev/lesavka_* links." >&2
+    else
+        printf '   ↪ Left  card: %s  (%s)\n' "${GC_VIDEOS[0]}" "${TAGS[0]}"
+        printf '   ↪ Right card: %s  (%s)\n' "${GC_VIDEOS[1]}" "${TAGS[1]}"
 
-printf '   ↪ Left  card: %s  (%s)\n' "${GC_VIDEOS[0]}" "${TAGS[0]}"
-printf '   ↪ Right card: %s  (%s)\n' "${GC_VIDEOS[1]}" "${TAGS[1]}"
+        LEFT_TAG=${TAGS[0]}
+        RIGHT_TAG=${TAGS[1]}
 
-LEFT_TAG=${TAGS[0]}
-RIGHT_TAG=${TAGS[1]}
-
-sudo tee /etc/udev/rules.d/85-gc311.rules >/dev/null <<EOF
+        sudo tee /etc/udev/rules.d/85-gc311.rules >/dev/null <<EOF
 # auto-generated by lesavka/scripts/daemon/install-server.sh - DO NOT EDIT
 SUBSYSTEM=="video4linux", ATTR{index}=="0", ENV{ID_PATH_TAG}=="$LEFT_TAG",  SYMLINK+="lesavka_l_eye"
 SUBSYSTEM=="video4linux", ATTR{index}=="0", ENV{ID_PATH_TAG}=="$RIGHT_TAG", SYMLINK+="lesavka_r_eye"
 EOF
 
-sudo udevadm control --reload
-sudo udevadm trigger --subsystem-match=video4linux
-sudo udevadm settle
+        sudo udevadm control --reload
+        sudo udevadm trigger --subsystem-match=video4linux
+        sudo udevadm settle
+    fi
+fi
 
 echo "==> 3. Rust toolchain"
 sudo rustup default stable