biggest-commits

   1 #!/usr/bin/python
   2 #
   3 # List the biggest commits from an author over a given rev range
   4 #
   5 # biggest-commits <repo> <author> <range>
   6 #
   7 import subprocess, sys, re, os
   8
   9 if len(sys.argv) != 4:
  10     print('Usage: biggest-commits <repo> <author> <range>')
  11     sys.exit(1)
  12
  13 os.chdir(sys.argv[1])
  14 commits = { }
  15 ins = re.compile(r'(\d+) insertion')
  16 dele = re.compile(r'(\d+) deletion')
  17
  18 cmd = [ '/usr/bin/git', 'log', '--pretty=oneline', '--shortstat',
  19         '-i', '--no-merges', f'--author={sys.argv[2]}', sys.argv[3] ]
  20 print(' '.join(cmd))
  21 total = 0
  22
  23 with subprocess.Popen(cmd, stdout = subprocess.PIPE) as log:
  24     line = log.stdout.readline().decode('utf8')
  25     while line:
  26         commit, title = line.strip().split(' ', 1)
  27         line = log.stdout.readline().decode('utf8')
  28         m = ins.search(line)
  29         if m:
  30             lines = int(m.group(1))
  31         else:
  32             lines = 0
  33         m = dele.search(line)
  34         if m:
  35             lines = max(lines, int(m.group(1)))
  36         commits[commit] = (lines, title)
  37         total += 1
  38         line = log.stdout.readline().decode('utf8')
  39
  40 print(f'{total} commits.')
  41 sc = sorted(commits.keys(), key = lambda e: -commits[e][0])
  42 for c in sc[:10]:
  43     lines, title = commits[c]
  44     print(f'{lines:6d} {c[:12]} {title}')