Merge "change git show to | head -1"
diff --git a/functions b/functions
index 8c0bc28..bff2e26 100644
--- a/functions
+++ b/functions
@@ -1226,7 +1226,10 @@
     echo "cd $REQUIREMENTS_DIR; $SUDO_CMD python update.py $project_dir"
 
     # Don't update repo if local changes exist
-    if (cd $project_dir && git diff --quiet); then
+    (cd $project_dir && git diff --quiet)
+    local update_requirements=$?
+
+    if [ $update_requirements -eq 0 ]; then
         (cd $REQUIREMENTS_DIR; \
             $SUDO_CMD python update.py $project_dir)
     fi
@@ -1234,6 +1237,11 @@
     pip_install -e $project_dir
     # ensure that further actions can do things like setup.py sdist
     safe_chown -R $STACK_USER $1/*.egg-info
+
+    # Undo requirements changes, if we made them
+    if [ $update_requirements -eq 0 ]; then
+        (cd $project_dir && git checkout -- requirements.txt test-requirements.txt setup.py)
+    fi
 }
 
 
diff --git a/lib/nova_plugins/hypervisor-fake b/lib/nova_plugins/hypervisor-fake
new file mode 100644
index 0000000..fe0d190
--- /dev/null
+++ b/lib/nova_plugins/hypervisor-fake
@@ -0,0 +1,77 @@
+# lib/nova_plugins/hypervisor-fake
+# Configure the fake hypervisor
+
+# Enable with:
+# VIRT_DRIVER=fake
+
+# Dependencies:
+# ``functions`` file
+# ``nova`` configuration
+
+# install_nova_hypervisor - install any external requirements
+# configure_nova_hypervisor - make configuration changes, including those to other services
+# start_nova_hypervisor - start any external services
+# stop_nova_hypervisor - stop any external services
+# cleanup_nova_hypervisor - remove transient data and cache
+
+# Save trace setting
+MY_XTRACE=$(set +o | grep xtrace)
+set +o xtrace
+
+
+# Defaults
+# --------
+
+
+# Entry Points
+# ------------
+
+# clean_nova_hypervisor - Clean up an installation
+function cleanup_nova_hypervisor() {
+    # This function intentionally left blank
+    :
+}
+
+# configure_nova_hypervisor - Set config files, create data dirs, etc
+function configure_nova_hypervisor() {
+    iniset $NOVA_CONF DEFAULT compute_driver "nova.virt.fake.FakeDriver"
+    # Disable arbitrary limits
+    iniset $NOVA_CONF DEFAULT quota_instances -1
+    iniset $NOVA_CONF DEFAULT quota_cores -1
+    iniset $NOVA_CONF DEFAULT quota_ram -1
+    iniset $NOVA_CONF DEFAULT quota_floating_ips -1
+    iniset $NOVA_CONF DEFAULT quota_fixed_ips -1
+    iniset $NOVA_CONF DEFAULT quota_metadata_items -1
+    iniset $NOVA_CONF DEFAULT quota_injected_files -1
+    iniset $NOVA_CONF DEFAULT quota_injected_file_path_bytes -1
+    iniset $NOVA_CONF DEFAULT quota_security_groups -1
+    iniset $NOVA_CONF DEFAULT quota_security_group_rules -1
+    iniset $NOVA_CONF DEFAULT quota_key_pairs -1
+    iniset $NOVA_CONF DEFAULT scheduler_default_filters "RetryFilter,AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter"
+}
+
+# install_nova_hypervisor() - Install external components
+function install_nova_hypervisor() {
+    # This function intentionally left blank
+    :
+}
+
+# start_nova_hypervisor - Start any required external services
+function start_nova_hypervisor() {
+    # This function intentionally left blank
+    :
+}
+
+# stop_nova_hypervisor - Stop any external services
+function stop_nova_hypervisor() {
+    # This function intentionally left blank
+    :
+}
+
+
+# Restore xtrace
+$MY_XTRACE
+
+# Local variables:
+# mode: shell-script
+# End:
diff --git a/stack.sh b/stack.sh
index 71e7317..6bab218 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1104,26 +1104,6 @@
             iniset $NOVA_CONF vmware integration_bridge $OVS_BRIDGE
         fi
 
-    # fake
-    # ----
-
-    elif [ "$VIRT_DRIVER" = 'fake' ]; then
-        echo_summary "Using fake Virt driver"
-        iniset $NOVA_CONF DEFAULT compute_driver "nova.virt.fake.FakeDriver"
-        # Disable arbitrary limits
-        iniset $NOVA_CONF DEFAULT quota_instances -1
-        iniset $NOVA_CONF DEFAULT quota_cores -1
-        iniset $NOVA_CONF DEFAULT quota_ram -1
-        iniset $NOVA_CONF DEFAULT quota_floating_ips -1
-        iniset $NOVA_CONF DEFAULT quota_fixed_ips -1
-        iniset $NOVA_CONF DEFAULT quota_metadata_items -1
-        iniset $NOVA_CONF DEFAULT quota_injected_files -1
-        iniset $NOVA_CONF DEFAULT quota_injected_file_path_bytes -1
-        iniset $NOVA_CONF DEFAULT quota_security_groups -1
-        iniset $NOVA_CONF DEFAULT quota_security_group_rules -1
-        iniset $NOVA_CONF DEFAULT quota_key_pairs -1
-        iniset $NOVA_CONF DEFAULT scheduler_default_filters "RetryFilter,AvailabilityZoneFilter,ComputeFilter,ComputeCapabilitiesFilter,ImagePropertiesFilter"
-
 
     # Default libvirt
     # ---------------
diff --git a/tools/xen/scripts/install-os-vpx.sh b/tools/xen/scripts/install-os-vpx.sh
index c94a593..7469e0c 100755
--- a/tools/xen/scripts/install-os-vpx.sh
+++ b/tools/xen/scripts/install-os-vpx.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # Copyright (c) 2011 Citrix Systems, Inc.
-# Copyright 2011 OpenStack LLC.
+# Copyright 2011 OpenStack Foundation
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tools/xen/scripts/mkxva b/tools/xen/scripts/mkxva
index a316da2..392c05b 100755
--- a/tools/xen/scripts/mkxva
+++ b/tools/xen/scripts/mkxva
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # Copyright (c) 2011 Citrix Systems, Inc.
-# Copyright 2011 OpenStack LLC.
+# Copyright 2011 OpenStack Foundation
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may
diff --git a/tools/xen/scripts/uninstall-os-vpx.sh b/tools/xen/scripts/uninstall-os-vpx.sh
index 0feaec7..ac26094 100755
--- a/tools/xen/scripts/uninstall-os-vpx.sh
+++ b/tools/xen/scripts/uninstall-os-vpx.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 #
 # Copyright (c) 2011 Citrix Systems, Inc.
-# Copyright 2011 OpenStack LLC.
+# Copyright 2011 OpenStack Foundation
 # All Rights Reserved.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may