#!/usr/bin/env python

import os
from glob import glob
from subprocess import call
from mercurial import hg, ui, cmdutil
import csv, re, sys

# call(['rm', '-rf', 'IronPython'])

ui = ui.ui(quiet=True)
repo = hg.repository(ui, 'IronPython') #, create=True)

# we assume the repo layout is what we created here;
# could do something like repo.changelog.rev(repo.lookup('tip')) to be sure
tip = repo.parents()[0]
if tip.rev() != -1:
    last_cset_id = re.match(r'\[([^]]+)\]', tip.description()).group(1)
    print 'last cset was', last_cset_id
else:
    last_cset_id = None

commits = list(csv.reader(file(sys.argv[1])))

for cset_id, download_url, date, comment, by in reversed(commits):
    if last_cset_id:
        if cset_id == last_cset_id:
            last_cset_id = None
        continue
    print 'processing cset', cset_id
    cset_file = '%s.zip' % cset_id
    call(['rm', '-rf'] + glob('IronPython/*'))
    call(['unzip', '-q', cset_file])
    cmdutil.addremove(repo)
    repo.commit(text='[%s] %s' % (cset_id, comment), user=by, date=date)