lib/docman/git_util.rb in docman-0.0.17 vs lib/docman/git_util.rb in docman-0.0.18

@@ -45,17 +45,22 @@
         end
         exec "git clone #{single_branch} #{depth} #{repo} #{path}"
         Dir.chdir path
         exec "git checkout #{version}"
       end
-      result = type == 'branch' ? self.last_revision : version
+      result = type == 'branch' ? self.last_revision(path) : version
       result
     end
 
 
-    def self.last_revision
-      result = `git rev-parse --short HEAD`
-      result.delete!("\n")
+    def self.last_revision(path = nil)
+      result = nil
+      if self.repo? path
+        Dir.chdir path unless path.nil?
+        result = `git rev-parse --short HEAD`
+        result.delete!("\n")
+      end
+      result
     end
 
     def self.update(path)
       pull path
     end
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