cmd/jujud: do not change password

charm/repo.go

 // Copyright 2012, 2013 Canonical Ltd.
 // Licensed under the AGPLv3, see LICENCE file for details.
 
 package charm
 
 import (
         "crypto/sha256"
         "encoding/hex"
         "encoding/json"
         "fmt"
@@ skipping 308 matching lines @@
         if !info.IsDir() {
                 return nil, repoNotFound(r.Path)
         }
         path := filepath.Join(r.Path, curl.Series)
         infos, err := ioutil.ReadDir(path)
         if err != nil {
                 return nil, charmNotFound(curl, r.Path)
         }
         var latest Charm
         for _, info := range infos {
+                chPath := filepath.Join(path, info.Name())
+                if info.Mode()&os.ModeSymlink != 0 {
+                        var err error
+                        if info, err = os.Stat(chPath); err != nil {
+                                return nil, err
+                        }
+                }
                 if !mightBeCharm(info) {
                         continue
                 }
-                chPath := filepath.Join(path, info.Name())
                 if ch, err := Read(chPath); err != nil {
                         log.Warningf("charm: failed to load charm at %q: %s", chPath, err)
                 } else if ch.Meta().Name == curl.Name {
                         if ch.Revision() == curl.Revision {
                                 return ch, nil
                         }
                         if latest == nil || ch.Revision() > latest.Revision() {
                                 latest = ch
                         }
                 }
         }
         if curl.Revision == -1 && latest != nil {
                 return latest, nil
         }
         return nil, charmNotFound(curl, r.Path)
 }