perf/create_synthetic_repo.py

   1 next_mark = 1
   2
   3
   4 def get_mark():
   5     global next_mark
   6     next_mark += 1
   7     return next_mark - 1
   8
   9
  10 def write_data(s):
  11     print('data %d' % len(s))
  12     print(s)
  13
  14
  15 def write_blob(s):
  16     print('blob')
  17     m = get_mark()
  18     print('mark :%d' % m)
  19     write_data(s)
  20     return m
  21
  22
  23 def write_commit(branch, files, msg, parent=None):
  24     print('commit %s' % branch)
  25     m = get_mark()
  26     print('mark :%d' % m)
  27     auth = 'X Ample <xa@example.com> %d +0000' % (1000000000 + m)
  28     print('author %s' % auth)
  29     print('committer %s' % auth)
  30     write_data(msg)
  31     if parent is not None:
  32         print('from :%d' % parent)
  33     for fn, fm in sorted(files.items()):
  34         print('M 100644 :%d %s' % (fm, fn))
  35     return m
  36
  37
  38 def set_ref(ref, mark):
  39     print('reset %s' % ref)
  40     print('from :%d' % mark)
  41
  42
  43 def stdblob(fn):
  44     return ''.join('%d %s\n' % (x, fn) for x in range(10))
  45
  46
  47 def iter_paths():
  48     for i in range(32):
  49         for j in range(32):
  50             for k in range(32):
  51                 yield '%02d/%02d/%02d' % (i, j, k)
  52
  53
  54 def setup():
  55     def t(name):
  56         return 'refs/tags/%s' % name
  57
  58     files = {fn: write_blob(stdblob(fn)) for fn in iter_paths()}
  59     initial = write_commit(t('bomb-base'), files, 'Initial commit')
  60     set_ref(t('bomb-top'), initial)
  61     for fn in iter_paths():
  62         write_commit(
  63             t('bomb-top'),
  64             {fn: write_blob(stdblob(fn) + 'Last line\n')},
  65             'Add last line to %s' % fn,
  66         )
  67     write_commit(
  68         t('add-file'),
  69         {'woo-hoo.txt': write_blob('woo-hoo\n')},
  70         'Add a new file',
  71         parent=initial,
  72     )
  73     files = dict((fn, write_blob('First line\n' + stdblob(fn))) for fn in iter_paths())
  74     write_commit(t('modify-all'), files, 'Add first line to all files', parent=initial)
  75
  76
  77 setup()