git-files-commits-table.py
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	avivey
	Jul 7 2016, 6:08 PM

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git-files-commits-table.py
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	#! /usr/bin/env python

	# Produces a table of filenames x commits, showing where a file was touched.
	# Useful for rebasing feature branch into reasonable commits.
	# usage:
	# git log --name-status --oneline origin/master.. \| $0

	import fileinput

	files = set()
	commits = list()

	class Commit(object):
	def __init__(self, title):
	self.title = title
	self.files = dict()

	def addFile(self, filename, status):
	self.files[filename] = status

	curr_commit = None
	for line in fileinput.input():
	try:
	if line[0] in '0123456789abcdef':
	curr_commit = Commit(line)
	commits.insert(0, curr_commit)
	else:
	v, f = line.split('\t', 2)
	f = f.strip()
	curr_commit.addFile(f, v)
	files.add(f)
	except:
	print line
	raise

	name_len = 0
	for f in files:
	name_len = max(name_len, len(f))

	name_pattern = '%' + str(name_len) + 's'
	for f in files:
	print name_pattern % f,
	for c in commits:
	s = c.files.get(f, ' ')
	print s,
	print