don't try to use lsof on Windows (#2762)

scripts/launch_local_testnet.sh

@@ -187,12 +187,14 @@ mkdir -p "${NETWORK_DIR}"
 
 USER_VALIDATORS=8
 TOTAL_VALIDATORS=128
+HAVE_LSOF=0
 
 # Windows detection
 if uname | grep -qiE "mingw|msys"; then
   MAKE="mingw32-make"
 else
   MAKE="make"
+  which lsof &>/dev/null && HAVE_LSOF=1 || { echo "'lsof' not installed and we need it to check for ports already in use. Aborting."; exit 1; }
 fi
 
 # number of CPU cores
@@ -203,21 +205,22 @@ else
 fi
 
 # kill lingering processes from a previous run
-which lsof &>/dev/null || { echo "'lsof' not installed. Aborting."; exit 1; }
+if [[ "${HAVE_LSOF}" == "1" ]]; then
-for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
+  for NUM_NODE in $(seq 0 $(( NUM_NODES - 1 ))); do
-  for PORT in $(( BASE_PORT + NUM_NODE )) $(( BASE_METRICS_PORT + NUM_NODE )) $(( BASE_RPC_PORT + NUM_NODE )); do
+    for PORT in $(( BASE_PORT + NUM_NODE )) $(( BASE_METRICS_PORT + NUM_NODE )) $(( BASE_RPC_PORT + NUM_NODE )); do
-    for PID in $(lsof -n -i tcp:${PORT} -sTCP:LISTEN -t); do
+      for PID in $(lsof -n -i tcp:${PORT} -sTCP:LISTEN -t); do
-      echo -n "Found old process listening on port ${PORT}, with PID ${PID}. "
+        echo -n "Found old process listening on port ${PORT}, with PID ${PID}. "
-      if [[ "${KILL_OLD_PROCESSES}" == "1" ]]; then
+        if [[ "${KILL_OLD_PROCESSES}" == "1" ]]; then
-        echo "Killing it."
+          echo "Killing it."
-        kill -9 ${PID} || true
+          kill -9 ${PID} || true
-      else
+        else
-        echo "Aborting."
+          echo "Aborting."
-        exit 1
+          exit 1
-      fi
+        fi
+      done
     done
   done
-done
+fi
 
 # Build the binaries
 BINARIES="nimbus_beacon_node nimbus_signing_process nimbus_validator_client deposit_contract"

tests/simulation/restapi.sh

@@ -115,11 +115,14 @@ MKDIR_SCRIPT="${GIT_ROOT}/scripts/makedir.sh"
 
 $MKDIR_SCRIPT "${TEST_DIR}"
 
+HAVE_LSOF=0
+
 # Windows detection
 if uname | grep -qiE "mingw|msys"; then
   MAKE="mingw32-make"
 else
   MAKE="make"
+  which lsof &>/dev/null && HAVE_LSOF=1 || { echo "'lsof' not installed and we need it to check for ports already in use. Aborting."; exit 1; }
 fi
 
 # number of CPU cores
@@ -130,19 +133,20 @@ else
 fi
 
 # kill lingering processes from a previous run
-which lsof &>/dev/null || { echo "'lsof' not installed. Aborting."; exit 1; }
+if [[ "${HAVE_LSOF}" == "1" ]]; then
-for PORT in ${BASE_PORT} ${BASE_METRICS_PORT} ${BASE_REST_PORT}; do
+  for PORT in ${BASE_PORT} ${BASE_METRICS_PORT} ${BASE_REST_PORT}; do
-  for PID in $(lsof -n -i tcp:${PORT} -sTCP:LISTEN -t); do
+    for PID in $(lsof -n -i tcp:${PORT} -sTCP:LISTEN -t); do
-    echo -n "Found old process listening on port ${PORT}, with PID ${PID}. "
+      echo -n "Found old process listening on port ${PORT}, with PID ${PID}. "
-    if [[ "${KILL_OLD_PROCESSES}" == "1" ]]; then
+      if [[ "${KILL_OLD_PROCESSES}" == "1" ]]; then
-      echo "Killing it."
+	echo "Killing it."
-      kill -9 ${PID} || true
+	kill -9 ${PID} || true
-    else
+      else
-      echo "Aborting."
+	echo "Aborting."
-      exit 1
+	exit 1
-    fi
+      fi
+    done
   done
-done
+fi
 
 build_if_missing () {
   if [[ ! -e "${GIT_ROOT}/build/${1}" ]]; then