add netcat support

cgsdev0 · cgsdev0 · commit 6024f0128b89 · 2024-03-01T08:01:15.000-08:00
diff --git a/core.sh b/core.sh
@@ -18,6 +18,11 @@ debug() {
 
 if [[ "${DEV:-true}" == true ]]; then
   USE_HMR="$(which inotifywait)"
+
+  # disable HMR when using netcat
+  if [[ "$TCP_PROVIDER" == "nc" ]]; then
+    USE_HMR=""
+  fi
 fi
 
 header() {
diff --git a/examples/docs/data/1-configuration.md b/examples/docs/data/1-configuration.md
@@ -11,6 +11,7 @@ will check:
 - `HIDE_LOGO` - if this is set, the "powered by bash" logo will be hidden
 - `NO_STYLES` - if this is set, no CSS will be linked in the `<head>`
 - `ENABLE_SESSIONS` - if this is 'true', bash stack will manage sessions (using a `_session` cookie).
+- `TCP_PROVIDER` (default: tcpserver) - you can optionally use `nc` instead.
 
 ## Tailwind
 
diff --git a/start.sh b/start.sh
@@ -23,8 +23,28 @@ mkdir -p data
 mkdir -p uploads
 
 PORT=${PORT:-3000}
-echo -n "Listening on port "
-tcpserver -1 -o -l 0 -H -R -c 1000 0 $PORT ./core.sh
+
+TCP_PROVIDER=${TCP_PROVIDER:-tcpserver}
+
+case "$TCP_PROVIDER" in
+  tcpserver)
+    echo -n "Listening on port "
+    tcpserver -1 -o -l 0 -H -R -c 1000 0 $PORT ./core.sh
+    ;;
+  nc)
+    [[ ! -p nc_tunnel ]] && mkfifo nc_tunnel
+    [[ "${DEV:-true}" == true ]] && \
+      echo "WARNING: performance while using netcat will be significantly degraded!"
+    echo "Listening on port $PORT"
+    while true; do
+      < nc_tunnel nc -l $PORT | ./core.sh >nc_tunnel
+    done
+    ;;
+  *)
+    echo "ERROR: unsupported TCP_PROVIDER"
+    exit 1
+    ;;
+esac
 
 if [[ ! -z "$PID" ]]; then
   kill "$PID"
