fsSize: rw /snap issue fixed (linux)

lib/filesystem.js

@@ -142,7 +142,10 @@ function fsSize(drive, callback) {
             execSync('cat /proc/mounts 2>/dev/null').toString().split('\n').filter(line => {
               return line.startsWith('/');
             }).forEach((line) => {
-              osMounts[line.split(' ')[0]] = line.toLowerCase().indexOf('rw') >= 0;
+              osMounts[line.split(' ')[0]] = osMounts[line.split(' ')[0]] ?? false;
+              if (line.toLowerCase().indexOf('/snap/') === -1) {
+                osMounts[line.split(' ')[0]] = ((line.toLowerCase().indexOf('rw,') >= 0 || line.toLowerCase().indexOf(' rw ') >= 0));
+              }
             });
           } catch (e) {
             util.noop();

lib/osinfo.js

@@ -180,7 +180,8 @@ function getFQDN() {
         util.noop();
       }
     }
-  } if (_freebsd || _openbsd || _netbsd) {
+  }
+  if (_freebsd || _openbsd || _netbsd) {
     try {
       const stdout = execSync('hostname 2>/dev/null');
       fqdn = stdout.toString().split(os.EOL)[0];