First pass at full fork pretty much complete.

local-server.sh

@@ -37,7 +37,7 @@ cleanup() {
 }
 trap cleanup EXIT INT TERM
 
-mkdir -p "$dataDir" "$hallsDir" "$recordingsDir"
+mkdir -p "$dataDir" "$hallsDir" "$recordingsDir/$hallName"
 
 hallFile="$hallsDir/$hallName.json"
 escapedAdminUsername="$(json_string "$adminUsername")"
@@ -47,7 +47,7 @@ cat > "$hallFile" <<EOF
 {"users":{"$escapedAdminUsername":{"password":"$escapedAdminPassword","permissions":"op"}},"wildcard-user":{"password":"$escapedGuestPassword","permissions":"present"},"allow-recording":true}
 EOF
 
-if [[ ! -x "$binary" ]]; then
+if [[ ! -x "$binary" ]] || find . -name '*.go' -newer "$binary" -print -quit | grep -q .; then
     echo "Building $binary"
     go build -o "$binary" .
 fi