fix(verify): size param no longer lost in a verify

Fixes a bug were after the cache was verified the 'size' parameter was
lost from the index of the entry.

Fixes: zkat#130

lib/verify.js

@@ -197,7 +197,8 @@ function rebuildBucket (cache, bucket, stats, opts) {
         return index.insert(cache, entry.key, entry.integrity, {
           uid: opts.uid,
           gid: opts.gid,
-          metadata: entry.metadata
+          metadata: entry.metadata,
+          size: entry.size
         }).then(() => { stats.totalEntries++ })
       }).catch({code: 'ENOENT'}, () => {
         stats.rejectedEntries++

test/verify.js

@@ -210,3 +210,40 @@ test('writes a file with last verification time', t => {
 })
 
 test('fixes permissions and users on cache contents')
+
+test('re-builds the index with the size parameter', t => {
+  const KEY2 = KEY + 'aaa'
+  const KEY3 = KEY + 'bbb'
+  return mockCache().then(() => {
+    return BB.join(
+      index.insert(CACHE, KEY2, INTEGRITY, {
+        metadata: 'haayyyy',
+        size: 20
+      }),
+      index.insert(CACHE, KEY3, INTEGRITY, {
+        metadata: 'haayyyy again',
+        size: 30
+      }))
+  }).then(() => {
+    return index.ls(CACHE).then((newEntries) => {
+      return verify(CACHE)
+        .then(stats => {
+          t.deepEqual({
+            verifiedContent: stats.verifiedContent,
+            rejectedEntries: stats.rejectedEntries,
+            totalEntries: stats.totalEntries
+          }, {
+            verifiedContent: 1,
+            rejectedEntries: 0,
+            totalEntries: 3
+          }, 'reported relevant changes')
+          return index.ls(CACHE)
+        }).then(entries => {
+          entries[KEY].time = newEntries[KEY].time
+          entries[KEY2].time = newEntries[KEY2].time
+          entries[KEY3].time = newEntries[KEY3].time
+          t.deepEqual(entries, newEntries, 'original index entries not preserved')
+        })
+    })
+  })
+})