# 
# patch "commands.cc"
#  from [e351cc76be3dbe3eaa3d9a35f69a3efe5b09c414]
#    to [dde1422d1313b53651309387092c5526749dac1a]
# 
# patch "database.cc"
#  from [39d6b99c913576436deb56633c84e9ce3c96f73d]
#    to [0a1542f214b0484670459195dac39b34ce961f27]
# 
# patch "database.hh"
#  from [90a982ae9ae9e6ef58d778958e64735ba93b5029]
#    to [3a53260736a538a083b6bfeea95830663c3fccd7]
# 
--- commands.cc
+++ commands.cc
@@ -2418,6 +2418,7 @@
     "load\n"
     "migrate\n"
     "execute\n"
+    "kill_rev_locally <ID>\n"
     "check\n"
     "changesetify\n"
     "rebuild\n"
@@ -2451,6 +2452,8 @@
     {
       if (idx(args, 0)() == "execute")
         app.db.debug(idx(args, 1)(), cout);
+      else if (idx(args, 0)() == "kill_rev_locally")
+        app.db.delete_existing_revs_and_certs(idx(args, 1)());
       else if (idx(args, 0)() == "clear_epoch")
         app.db.clear_epoch(cert_value(idx(args, 1)()));
       else
--- database.cc
+++ database.cc
@@ -1467,7 +1467,21 @@
   execute("DELETE from revision_certs");
 }
 
+/// Deletes one revision from the local database. 
+/// This can be used to 'undo' a changed revision from a local database without
+/// leaving a trace
+void
+database::delete_existing_revs_and_certs(std::string const & rid){
 
+  //FIXME perform a completion here instead of blindly assigning  
+  revision_id ident = (revision_id)rid;
+
+      N(revision_exists(ident),
+        F("no revision %s found in database") % ident);
+
+  cout << "This is a noop for now!!! It should delete rev: "<<ident<<"\n";
+}
+
 // crypto key management
 
 void 
--- database.hh
+++ database.hh
@@ -288,6 +288,8 @@
   
   void delete_existing_revs_and_certs();
 
+  void delete_existing_revs_and_certs(std::string const & rid);
+
   // crypto key / cert operations
 
   void get_key_ids(std::string const & pattern,