Run summain before each backup.

1 files changed, 15 insertions, 0 deletions

diff --git a/seivot b/seivot
index ce0ec8f..7cb28c5 100755
--- a/seivot
+++ b/seivot
@@ -408,11 +408,15 @@ class Seivot(cliapp.Application):
         else:
             amount = self.settings['initial-data']
             self.generate_live_data(self.live_data, amount)
+        if self.settings['verify']:
+            self.summain(self.live_data, 'backup-0.summain')
         self.measure(prog.backup, 0, amount)
 
         for i in range(1, generations):
             self.generate_live_data(self.live_data,
                                     self.settings['incremental-data'])
+            if self.settings['verify']:
+                self.summain(self.live_data, 'backup-%d.summain' % i)
             self.measure(prog.backup, i, self.settings['incremental-data'])
 
         for i in range(generations):
@@ -438,6 +442,17 @@ class Seivot(cliapp.Application):
         runcmd(['genbackupdata', where, '--create', str(size),
                 '--file-size', str(self.settings['file-size'])])
 
+    def summain(self, dirname, basename):
+        '''Remember state of dirname at this time.
+        
+        This runs the summain(1) utility against dirname and stores
+        the result in a file called basename in the temporary directory.
+        
+        '''
+        
+        self.runcmd(['summain', '--relative', '--output',
+                     os.path.join(self.tempdir, basename), dirname])
+
     def file_sizes(self, dirname):
         bytes = 0
         for dirname, subdirs, basenames in os.walk(dirname):