Refactor tabs to spaces

index.js

@@ -385,7 +385,8 @@ app.get("/*@download", (req, res) => {
 });
 
 const shellable = process.env.SHELL != "false" && process.env.SHELL;
-if (shellable) {
+const cmdable = process.env.CMD != "false" && process.env.CMD;
+if (shellable || cmdable) {
     const exec = process.env.SHELL == "login" ? "/usr/bin/env" : process.env.SHELL;
     const args = process.env.SHELL == "login" ? ["login"] : [];
 
@@ -462,6 +463,7 @@ app.get("/*", (req, res) => {
     if (res.stats.error) {
         res.render("list", flashify(req, {
             shellable: shellable,
+            cmdable: cmdable,
             path: res.filename,
             errors: [
                 res.stats.error
@@ -501,12 +503,14 @@ app.get("/*", (req, res) => {
             Promise.all(promises).then((files) => {
                 res.render("list", flashify(req, {
                     shellable: shellable,
+                    cmdable: cmdable,
                     path: res.filename,
                     files: files,
                 }));    
             }).catch((err) => {
                 res.render("list", flashify(req, {
                     shellable: shellable,
+                    cmdable: cmdable,
                     path: res.filename,
                     errors: [
                         err
@@ -516,6 +520,7 @@ app.get("/*", (req, res) => {
         }).catch((err) => {
             res.render("list", flashify(req, {
                 shellable: shellable,
+                cmdable: cmdable,
                 path: res.filename,
                 errors: [
                     err