blob: dc17dff1332f3b0979fb9a81ccc33ef001b4722f [file] [log] [blame]
#!/usr/bin/env python3
# -*- coding: utf-8 -*-"
# Copyright 2020 The Chromium OS Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Module containing shared helper methods."""
from __future__ import print_function
import os
import sqlite3
import re
UPSTREAM_REPO = KERNEL_SITE + 'pub/scm/linux/kernel/git/torvalds/linux'
STABLE_REPO = KERNEL_SITE + 'pub/scm/linux/kernel/git/stable/linux-stable'
CHROMEOS_REPO = CHROMIUM_SITE + 'chromiumos/third_party/kernel'
SUPPORTED_KERNELS = ('4.4', '4.14', '4.19', '5.4')
CHROMEOS_PATH = 'linux-chrome'
STABLE_PATH = 'linux-stable'
UPSTREAM_PATH = 'linux-upstream'
WORKDIR = os.getcwd()
DBDIR = os.path.join(WORKDIR, 'database')
UPSTREAMDB = os.path.join(DBDIR, 'upstream.db')
# "commit" is sometimes seen multiple times, such as with commit 6093aabdd0ee
CHERRYPICK = re.compile(r'cherry picked from (commit )+([0-9a-f]+)')
STABLE = re.compile(r'^\s*(commit )+([a-f0-9]+) upstream')
STABLE2 = re.compile(r'^\s*\[\s*Upstream (commit )+([0-9a-f]+)\s*\]')
def stabledb(version):
"""Path of stabledb"""
return os.path.join(DBDIR, 'stable-%s.db' % version)
def chromeosdb(version):
"""Path of chromeosdb"""
return os.path.join(DBDIR, 'chromeos-%s.db' % version)
def patchdb_stable(version):
"""Path of patchdb for stable versions."""
return os.path.join(DBDIR, 'patch-stable-%s.db' % version)
def patchdb_chromeos(version):
"""Path of patchdb for chromeos versions."""
return os.path.join(DBDIR, 'patch-chromeos-%s.db' % version)
def stable_branch(version):
"""Stable branch name"""
return 'linux-%s.y' % version
def chromeos_branch(version):
"""Chromeos branch name"""
return 'chromeos-%s' % version
def patch_link(changeID):
"""Link to patch on gerrit"""
return '' % changeID
def doremove(filepath):
"""remove file if it exists"""
except OSError:
def make_downstream_table(c):
"""Create database table storing information about chrome/stable git logs"""
c.execute('CREATE TABLE commits (sha text, usha text, '
'patchid text, description text, changeid text)')
c.execute('CREATE UNIQUE INDEX commit_sha ON commits (sha)')
c.execute('CREATE INDEX upstream_sha ON commits (usha)')
c.execute('CREATE INDEX patch_id ON commits (patchid)')
def createdb(db, op):
"""remove and recreate database"""
newdbdir = os.path.dirname(db)
os.makedirs(newdbdir, exist_ok=True)
conn = sqlite3.connect(db)
c = conn.cursor()
# Convention: table 'tip' ref 1 contains the most recently processed SHA.
# Use this to avoid re-processing SHAs already in the database.
c.execute('CREATE TABLE tip (ref integer, sha text)')
c.execute('INSERT INTO tip (ref, sha) VALUES (?, ?)', (1, ''))
# Save (commit) the changes