Fix issue with path resolution in VFS on cross requests (fixes #19)

Author: andersevenrud

__tests__/adapters/vfs/system.js

@@ -34,7 +34,7 @@ describe('VFS System adapter', () => {
     }
   };
 
-  const request = (name, ...args) => adapter[name](vfs)(...args);
+  const request = (name, ...args) => adapter[name](vfs, vfs)(...args);
 
   test('#touch', () => {
     return expect(request('touch', 'home:/test'))

src/adapters/vfs/system.js

@@ -160,13 +160,12 @@ module.exports = (core) => {
       : promise.then(() => true);
   };
 
-  const crossWrapper = method => vfs => (src, dest, options = {}) =>
-    Promise.resolve({
-      realSource: getRealPath(core, vfs.req, vfs.mount, src),
-      realDest: getRealPath(core, vfs.req, vfs.mount, dest)
-    })
-      .then(({realSource, realDest}) => fs[method](realSource, realDest))
-      .then(() => true);
+  const crossWrapper = method => (srcVfs, destVfs) => (src, dest, options = {}) => Promise.resolve({
+    realSource: getRealPath(core, srcVfs.req, srcVfs.mount, src),
+    realDest: getRealPath(core, destVfs.req, destVfs.mount, dest)
+  })
+    .then(({realSource, realDest}) => fs[method](realSource, realDest))
+    .then(() => true);
 
   return {
     watch: (mount, callback) => {

src/vfs.js

@@ -150,7 +150,7 @@ const createCrossRequestFactory = findMountpoint => (getter, method, respond) =>
 
   if (sameAdapter) {
     const result = await srcMount
-      .adapter[method](createArgs(srcMount))(from, to, options);
+      .adapter[method](createArgs(srcMount), createArgs(destMount))(from, to, options);
 
     return !!result;
   }