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element-calling: fix Nix string interpolation of LAN_CIDR echo

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The debug echo used bash ${LAN_CIDR:-<none>} syntax, but inside a Nix
indented string ${...} is Nix interpolation, not bash. Nix parsed
'LAN_CIDR:-<none>' as a lambda and failed the build with 'cannot coerce a
function to a string'. Rewrite the echo without brace expansion.
This commit is contained in:
Sovran_SystemsOS
2026-09-01 12:29:47 -05:00
committed by naturallaw777
parent 220d6dff2c
commit f34d1533c3
1 changed files with 1 additions and 1 deletions
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modules/element-calling.nix
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@@ -191,7 +191,7 @@ EOF
# interface's own address, so it always matches the subnet the LAN # interface's own address, so it always matches the subnet the LAN
# clients (phones on Wi-Fi) actually live on. # clients (phones on Wi-Fi) actually live on.
LAN_CIDR=$(ip -4 -o addr show dev "$IFACE" | awk '{print $4}' | grep -vE '^(127\.|169\.254\.)' | head -n1 | python3 -c 'import sys, ipaddress; s = sys.stdin.read().strip(); print(str(ipaddress.ip_network(s, strict=False)) if s else "")' 2>/dev/null) LAN_CIDR=$(ip -4 -o addr show dev "$IFACE" | awk '{print $4}' | grep -vE '^(127\.|169\.254\.)' | head -n1 | python3 -c 'import sys, ipaddress; s = sys.stdin.read().strip(); print(str(ipaddress.ip_network(s, strict=False)) if s else "")' 2>/dev/null)
echo "Derived LAN CIDR for TURN relay: ${LAN_CIDR:-<none>}" if [ -n "$LAN_CIDR" ]; then echo "Derived LAN CIDR for TURN relay: $LAN_CIDR"; else echo "Derived LAN CIDR for TURN relay: <none>"; fi
# Generate the full LiveKit config the daemon will load. turn.domain and # Generate the full LiveKit config the daemon will load. turn.domain and
# rtc.interfaces.includes are only known at runtime, so they are # rtc.interfaces.includes are only known at runtime, so they are