perf/create_synthetic_repo.py

   1 next_mark = 1
   2 def get_mark():
   3     global next_mark
   4     next_mark += 1
   5     return (next_mark - 1)
   6
   7 def write_data(s):
   8     print 'data %d' % len(s)
   9     print s
  10
  11 def write_blob(s):
  12     print 'blob'
  13     m = get_mark()
  14     print 'mark :%d' % m
  15     write_data(s)
  16     return m
  17
  18 def write_commit(branch, files, msg, parent = None):
  19     print 'commit %s' % branch
  20     m = get_mark()
  21     print 'mark :%d' % m
  22     auth = 'X Ample <xa@example.com> %d +0000' % (1000000000 + m)
  23     print 'author %s' % auth
  24     print 'committer %s' % auth
  25     write_data(msg)
  26     if parent != None:
  27         print 'from :%d' % parent
  28     for fn, fm in sorted(files.iteritems()):
  29         print 'M 100644 :%d %s' % (fm, fn)
  30     return m
  31
  32 def set_ref(ref, mark):
  33     print 'reset %s' % ref
  34     print 'from :%d' % mark
  35
  36 def stdblob(fn):
  37     return ''.join('%d %s\n' % (x, fn) for x in xrange(10))
  38
  39 def iter_paths():
  40     for i in xrange(32):
  41         for j in xrange(32):
  42             for k in xrange(32):
  43                 yield '%02d/%02d/%02d' % (i, j, k)
  44
  45 def setup():
  46     def t(name): return 'refs/tags/%s' % name
  47     files = dict((fn, write_blob(stdblob(fn))) for fn in iter_paths())
  48     initial = write_commit(t('bomb-base'), files, 'Initial commit')
  49     set_ref(t('bomb-top'), initial)
  50     for fn in iter_paths():
  51         write_commit(t('bomb-top'),
  52                      { fn: write_blob(stdblob(fn) + 'Last line\n') },
  53                      'Add last line to %s' % fn)
  54     write_commit(t('add-file'), { 'woo-hoo.txt': write_blob('woo-hoo\n') },
  55                  'Add a new file', parent = initial)
  56     files = dict((fn, write_blob('First line\n' + stdblob(fn)))
  57                  for fn in iter_paths())
  58     write_commit(t('modify-all'), files, 'Add first line to all files',
  59                  parent = initial)
  60
  61 setup()