may_kill_dev

.vscode/launch.json

@@ -4,8 +4,8 @@
             "type": "ruby_lsp",
             "name": "Debug Rails",
             "request": "launch",
-            "preLaunchTask": "PKILL: /bin/dev",
-            "program": "${workspaceFolder}/bin/rails server --port 3000",
+            "preLaunchTask": "ASK_FOR_KILL_RAILS",
+            "program": "${workspaceFolder}/bin/rails server --port 3000 -b 127.0.0.1",
         },
     ]
 }

.vscode/settings.json

@@ -11,4 +11,5 @@
   "emmet.includeLanguages": {
     "erb": "html"
   },
+  "debug.onTaskErrors": "abort"
 }

.vscode/tasks.json

@@ -2,13 +2,15 @@
     "tasks": [
         {
             "type": "shell",
-            "label": "PKILL: /bin/dev",
-            "command": "kill -9 $(ss -tlnp | grep 3000 | grep -oP \"pid=\\K(\\d+)\" | head -n1)",
-            "detail": "Pkill previous Rails server",
+            "label": "ASK_FOR_KILL_RAILS",
+            "command": "${workspaceFolder}/bin/may_kill_dev.sh",
+            "detail": "ASK before killing the currently running Rails server",
             "presentation": {
                 "showReuseMessage": false,
-                "reveal": "silent",
-                "close": true
+                "reveal": "always",
+                "close": true,
+                "panel": "dedicated",
+                "echo": false
             }
         }
 

bin/may_kill_dev.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+PORT=3000
+
+pid_rails=$(ss -tlnp | grep "$PORT" | grep -oP "pid=\K(\d+)" | head -n1)
+if [[ -n $pid_rails ]]; then
+	echo "============================================================================"	
+	echo "Rails already runs on port $PORT, You've asked for debugger on the same port."
+	echo "============================================================================"	
+	echo -n "Do you to want to kill rails process in order to launch debugger: (y/N)?: "
+	read -n1 answer
+	case $(echo $answer | tr '[A-Z]' '[a-z]') in
+	        y|yes) kill -15 $pid_rails ;;
+	        *)     echo " means NO"; exit 1 ;;
+	esac
+else
+	echo "port $PORT is free for debugger, go on..."
+fi
+