more tool shed resolver logging

ts.patch

diff --git a/lib/galaxy/tools/deps/resolvers/tool_shed_packages.py b/lib/galaxy/tools/deps/resolvers/tool_shed_packages.py
index d72b4d6..c54885f 100644
--- a/lib/galaxy/tools/deps/resolvers/tool_shed_packages.py
+++ b/lib/galaxy/tools/deps/resolvers/tool_shed_packages.py
@@ -3,6 +3,9 @@ from os.path import abspath, join, exists
 from .galaxy_packages import GalaxyPackageDependencyResolver, GalaxyPackageDependency
 from ..resolvers import INDETERMINATE_DEPENDENCY
 
+import logging
+log = logging.getLogger( __name__ )
+
 
 class ToolShedPackageDependencyResolver(GalaxyPackageDependencyResolver):
     resolver_type = "tool_shed_packages"
@@ -15,8 +18,15 @@ class ToolShedPackageDependencyResolver(GalaxyPackageDependencyResolver):
         base_path = self.base_path
         if installed_tool_dependency:
             path = self._get_package_installed_dependency_path( installed_tool_dependency, base_path, name, version )
-            return self._galaxy_package_dep(path, version)
+            dep = self._galaxy_package_dep(path, version)
+            log.info("Found tool dependency description for requirement %s (%s) - %s" % (name, version, installed_tool_dependency))
+            if dep is not INDETERMINATE_DEPENDENCY:
+                log.info("Found Galaxy package for tool shed dependency at path %s" % path)
+            else:
+                log.info("Could not find Galaxy package for tool shed dependency at path %s" % path)
+            return dep
         else:
+            log.info("Failed to find tool dependency description for requirement %s (%s) - %s" % (name, version))
             return INDETERMINATE_DEPENDENCY
 
     def _find_dep_default( self, name, type='package', **kwds ):
@@ -59,7 +69,9 @@ class ToolShedPackageDependencyResolver(GalaxyPackageDependencyResolver):
                               tool_shed_repository.owner,
                               tool_shed_repository.name,
                               tool_shed_repository.installed_changeset_revision ) )
+        log.info("Checking path %s for tool shed dependency environment_settings." % path )
         if exists( path ):
+            log.info("Found environment settings file.")
             script = join( path, 'env.sh' )
             return GalaxyPackageDependency(script, path, None)
         return INDETERMINATE_DEPENDENCY