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# vim: set fileencoding=utf-8 :
#
# (C) 2011 Guido Guenther <agx@sigxcpu.org>
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# Funciton to ease git usage
import os
import subprocess
import puppethooks.checkers
def diff_tree(oldrev, newrev):
# We use -z to handle filenames with spaces, tabs, etc.
cmd = ['git', 'diff-tree', '--raw', '-r', '-z', oldrev, newrev ]
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE)
# Parse the '\0' terminated filenames out of the metadata
output = popen.communicate()[0].split('\0')
for i in xrange(0, len(output)-2, 2):
meta, filename = output[i:i+2]
yield meta.split() + [ filename ]
def diff_cached(rev):
"""Check the index against the given commit"""
# We use -z to handle filenames with spaces, tabs, etc.
cmd = ['git', 'diff', '--cached', '--diff-filter=AM', '--raw', '-z' ]
if rev:
cmd.append(rev)
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE)
# Parse the '\0' terminated filenames out of the metadata
output = popen.communicate()[0].split('\0')
for i in xrange(0, len(output)-2, 2):
meta, filename = output[i:i+2]
yield meta.split() + [ filename ]
def verify_rev(rev):
"""Verify ref, return True if it's o.k."""
return not subprocess.call(['git', 'rev-parse', '-q', '--verify', rev])
def write_tmp_blob(dir, name, sha):
"""Write the git blog to a temporary file"""
cmd = ['git', 'cat-file', '-p', sha ]
abs_path = os.path.join(dir, os.path.basename(name))
popen = subprocess.Popen(cmd, stdout=subprocess.PIPE)
output = popen.communicate()[0]
f = file(abs_path, 'w')
f.write(output)
f.close()
return abs_path
def do_check(name, tmpdir, sha):
"""Call the checker for a given file path and content sha"""
path = write_tmp_blob(tmpdir, name, sha)
puppethooks.checkers.check(path)
os.unlink(path)
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