src/git_stats/history.py

   1 #!/usr/bin/env python
   2
   3 from git_python import Git
   4
   5 def commitsOfTouchedChanges(pathsChanged):
   6   """Returns a list of commits that touch the specified paths.
   7
   8   Params:
   9     pathsChanged: A list of changed path relative to the current working dir.
  10
  11   Returns:
  12     A list of 40-character SHA's of the touched commits.
  13   """
  14
  15   if not pathsChanged:
  16     raise ValueError("No changed paths specified")
  17
  18   git = Git(".")
  19   result = git.rev_list("HEAD", *pathsChanged)
  20
  21   touched = result.split('\n')
  22
  23   # Don't return the trailing empty one
  24   return touched[:-1]
  25
  26 def pathsTouched(commit, ignoreAddedFiles):
  27   """Returns a list of paths touched by a specific commit.
  28
  29   Params:
  30     commit: A commit identifier as accepted by git-log.
  31     ignoreAddedFiles: When True newly added files are ignored.
  32
  33   Returns:
  34     A list of paths touched by the specified commit.
  35   """
  36   git = Git(".")
  37   result = git.log("--name-status", "-1", "--pretty=format:", commit)
  38
  39   log = result.split('\n')
  40
  41   paths = []
  42
  43   for line in log:
  44     if len(line.lstrip()) == 0:
  45       continue
  46
  47     splitline = line.split('\t')
  48     if splitline[0] == 'A' and ignoreAddedFiles:
  49       continue
  50
  51     paths.append(splitline[1])
  52
  53   return paths
  54
  55 if __name__ == '__main__':
  56   import os
  57   os.chdir("../..")
  58
  59   touched = commitsOfTouchedChanges(["README"])
  60
  61   for line in touched:
  62     print(line)
  63
  64
  65   touched = pathsTouched("HEAD", True)
  66
  67   for line in touched:
  68     print(line)
  69