Cancel builds when cli is interrupted

index 9397905..83dc098 100644
@@ -1251,6 +1251,16 @@ class BuildInfoHelper(object):
 
 
 
+    def cancel_cli_build(self):
+        """
+        If a build is currently underway, set its state to CANCELLED;
+        note that this only gets called for command line builds which are
+        interrupted, so it doesn't touch any BuildRequest objects
+        """
+        build = self.internal_state['build']
+        if build:
+            build.outcome = Build.CANCELLED
+            build.save()
 
     def store_dependency_information(self, event):
         assert '_depgraph' in vars(event)

index 6bf4c1f..e7c3007 100644
@@ -441,7 +441,22 @@ def main(server, eventHandler, params):
             if ioerror.args[0] == 4:
                 pass
         except KeyboardInterrupt:
-            main.shutdown = 1
+            if params.observe_only:
+                print("\nKeyboard Interrupt, exiting observer...")
+                main.shutdown = 2
+            if not params.observe_only and main.shutdown == 1:
+                print("\nSecond Keyboard Interrupt, stopping...\n")
+                _, error = server.runCommand(["stateForceShutdown"])
+                if error:
+                    logger.error("Unable to cleanly stop: %s" % error)
+            if not params.observe_only and main.shutdown == 0:
+                print("\nKeyboard Interrupt, closing down...\n")
+                interrupted = True
+                _, error = server.runCommand(["stateShutdown"])
+                if error:
+                    logger.error("Unable to cleanly shutdown: %s" % error)
+            buildinfohelper.cancel_cli_build()
+            main.shutdown = main.shutdown + 1
         except Exception as e:
             # print errors to log
             import traceback

index b5e798d..212998a 100644
@@ -125,8 +125,6 @@
                       pull-right"
                       data-request-url="{% url 'xhr_buildrequest' build.project.pk %}"
                       data-target='{{build.target_set.all|get_tasks|json}}'>
-
-
                         Rebuild
                   </button>
               {% endif %}

@@ -144,7 +142,7 @@
     <div class="lead span3 progress-info"><span id="build-pc-done-{{build.pk}}">{{build.completeper}}</span>% of tasks complete</div>
     {# No build cancel for command line builds project #}
     {% if build.project.is_default %}
-    <i class="icon-question-sign get-help get-help-blue pull-right" title="" data-original-title="Builds in this project cannot be cancelled from Toaster: they can only be cancalled from the command line"></i>
+    <i class="icon-question-sign get-help get-help-blue pull-right" title="" data-original-title="Builds in this project cannot be cancelled from Toaster: they can only be cancelled from the command line"></i>
     {% else %}
     <div class="lead pull-right progress-info">
       <button class="cancel-build-btn btn btn-info pull-right"

@@ -158,15 +156,20 @@
     {%endif%} {# end if in progress #}
 
     {% if build.outcome == build.CANCELLED %}
-    <div class="span4">
-      <p class="lead">Build cancelled</p>
-    </div>
-    <button class="btn btn-info pull-right run-again-btn"
-        data-request-url="{% url 'xhr_buildrequest' build.project.pk %}"
-        data-target='{{build.target_set.all|get_tasks|json}}'>
-      Rebuild
+      <div class="span4">
+        <p class="lead">Build cancelled</p>
+      </div>
 
-    </button>
+      {% if build.project.is_default %}
+        <i class="icon-question-sign get-help get-help-blue pull-right" title=""
+          data-original-title="Builds in this project cannot be rebuilt from Toaster: they can only be rebuilt from the command line"></i>
+      {% else %}
+        <button class="btn btn-info pull-right run-again-btn"
+                data-request-url="{% url 'xhr_buildrequest' build.project.pk %}"
+                data-target='{{build.target_set.all|get_tasks|json}}'>
+          Rebuild
+        </button>
+      {% endif %}
     {% endif %}
   </div>
 </div>