Major update: Add Environment variables support

lib/sync.js

@@ -2,9 +2,7 @@
 
 // @ts-check
 
-const fs = require("fs");
-const path = require("path");
-const { execSync, spawn } = require("child_process");
+const { spawn } = require("child_process");
 const watchFiles = require("./watch/files");
 const watchFolders = require("./watch/folders");
 

lib/watch/files.js

@@ -111,6 +111,14 @@ function sync({ options, filePath, files }) {
         const dstFl = destFiles[j];
         if (typeof dstFl == "string") {
             if (!fs.existsSync(dstFl)) continue;
+
+            if (filePath === dstFl) {
+                console.log(
+                    `You can't sync the same paths. Please check your configuration and resolve duplicate paths`
+                );
+                process.exit(6);
+            }
+
             cmdArray.push(filePath, dstFl);
             const cmd = cmdArray.join(" ");
             execSync(cmd, {
@@ -119,6 +127,13 @@ function sync({ options, filePath, files }) {
         } else if (dstFl.path) {
             if (!dstFl.host && !fs.existsSync(dstFl.path)) continue;
 
+            if (filePath === dstFl.path) {
+                console.log(
+                    `You can't sync the same paths. Please check your configuration and resolve duplicate paths`
+                );
+                process.exit(6);
+            }
+
             if (dstFl.host && dstFl.ssh_key && dstFl.user) {
                 cmdArray.push("-e", `'ssh -i ${dstFl.ssh_key}'`);
                 cmdArray.push(

lib/watch/folders.js

@@ -120,6 +120,14 @@ function sync({ options, dirs, dirPath, init }) {
         const dstDr = dstDirs[j];
         if (typeof dstDr == "string") {
             if (!fs.existsSync(dstDr)) continue;
+
+            if (dirPath === dstDr) {
+                console.log(
+                    `You can't sync the same paths. Please check your configuration and resolve duplicate paths`
+                );
+                process.exit(6);
+            }
+
             cmdArray.push(
                 path.normalize(dirPath) + "/",
                 path.normalize(dstDr) + "/"
@@ -131,6 +139,13 @@ function sync({ options, dirs, dirPath, init }) {
         } else if (dstDr.path) {
             if (!dstDr.host && !fs.existsSync(dstDr.path)) continue;
 
+            if (dirPath === dstDr.path) {
+                console.log(
+                    `You can't sync the same paths. Please check your configuration and resolve duplicate paths`
+                );
+                process.exit(6);
+            }
+
             if (dstDr.host && dstDr.ssh_key && dstDr.user) {
                 cmdArray.push("-e", `'ssh -i ${dstDr.ssh_key}'`);
                 cmdArray.push(