Unfinished upgrades work

1 files changed, 20 insertions, 1 deletions

diff --git a/system-version-manager/system-version-manager b/system-version-manager/system-version-manager
index 956abb2..532bee5 100755
--- a/system-version-manager/system-version-manager
+++ b/system-version-manager/system-version-manager
@@ -225,9 +225,28 @@ class SystemVersionManager(object):
 
         self._rewrite_boot_menu(self.device, self._get_default(), self._get_systems())
 
-    def cmd_upgrade(self, location):
+    def cmd_upgrade(self, args):
         print 'Warning: attack kittens have been launched'
 
+        # get default (or running?) and snapshot that
+        # use running (current system) for now
+        label = self.current_system
+        orig = 'systems/%s/orig' % label   # TODO: os.path.join ?
+        new_orig = 'systems/biscuit/orig'
+
+        # make snapshot
+        subprocess.check_call(['btrfs', 'subvolume', 'snapshot',
+                              orig, new_orig])
+
+        for dir in ['baserock', 'bin', 'boot', 'dev', 'lib', 'lib64', 'media',
+                    'mnt', 'proc', 'sbin', 'usr']:
+            print 'Patching /%s' % dir
+
+            # Need to apply patch to the subvolume,
+            # so mount it somewhere
+
+            subprocess.Popen('/usr/bin/tbdiff-deploy', cwd=dir)
+
     def _install_kernel(self, version_root):
         '''Install the kernel outside of 'orig' or 'run' subvolumes