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# Copyright 2015 Canonical Ltd.
#
# This program is free software: you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 3, as published
# by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranties of
# MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
import email.utils
import errno
import logging
import os.path
import shutil
import subprocess
from debian import (
changelog,
deb822,
)
from gitbuildrecipe.deb_version import substitute_changelog_vars
from gitbuildrecipe.recipe import SubstitutionUnavailable
class MissingDependency(Exception):
pass
class NoSuchTag(Exception):
def __init__(self, tag_name):
super().__init__()
self.tag_name = tag_name
def debian_source_package_name(control_path):
"""Open a debian control file and extract the package name.
"""
with open(control_path, "r") as f:
control = deb822.Deb822(f)
return control["Source"]
def extract_upstream_tarball(path, package, version, dest_dir):
"""Extract the upstream tarball from a Git repository.
:param path: Path to the Git repository
:param package: Package name
:param version: Package version
:param dest_dir: Destination directory
"""
prefix = "%s_%s.orig.tar." % (package, version)
dest_filename = None
pristine_tar_list = subprocess.Popen(
["pristine-tar", "list"], stdout=subprocess.PIPE, cwd=path)
try:
for line in pristine_tar_list.stdout:
line = line.decode("UTF-8", errors="replace").rstrip("\n")
if line.startswith(prefix):
dest_filename = line
finally:
pristine_tar_list.wait()
if dest_filename is not None:
subprocess.check_call(
["pristine-tar", "checkout",
os.path.abspath(os.path.join(dest_dir, dest_filename))],
cwd=path)
else:
tag_names = ["upstream/%s" % version, "upstream-%s" % version]
git_tag_list = subprocess.Popen(
["git", "tag"], stdout=subprocess.PIPE, cwd=path)
try:
for line in git_tag_list.stdout:
line = line.decode("UTF-8", errors="replace").rstrip("\n")
if line in tag_names:
tag = line
break
else:
raise NoSuchTag(tag_names[0])
finally:
git_tag_list.wait()
# Default to .tar.gz
dest_filename = prefix + "gz"
with open(os.path.join(dest_dir, dest_filename), "wb") as dest:
subprocess.check_call(
["git", "archive", "--format=tar.gz",
"--prefix=%s-%s/" % (package, version), tag],
stdout=dest, cwd=path)
def add_autobuild_changelog_entry(base_branch, basedir, package,
distribution=None, author_name=None,
author_email=None, append_version=None):
"""Add a new changelog entry for an autobuild.
:param base_branch: Recipe base branch
:param basedir: Base working directory
:param package: package name
:param distribution: Optional distribution (defaults to last entry
distribution)
:param author_name: Name of the build requester
:param author_email: Email of the build requester
:param append_version: Optional version suffix to add
"""
debian_dir = os.path.join(basedir, "debian")
if not os.path.exists(debian_dir):
os.makedirs(debian_dir)
cl_path = os.path.join(debian_dir, "changelog")
file_found = os.path.exists(cl_path)
if file_found:
with open(cl_path) as cl_f:
contents = cl_f.read()
cl = changelog.Changelog(file=contents)
else:
cl = changelog.Changelog()
if len(cl._blocks) > 0:
if distribution is None:
distribution = cl._blocks[0].distributions.split()[0]
else:
if file_found:
if len(contents.strip()) > 0:
reason = (
"debian/changelog didn't contain any parseable stanzas")
else:
reason = "debian/changelog was empty"
else:
reason = "debian/changelog was not present"
if distribution is None:
distribution = "unstable"
if base_branch.format_version in (0.1, 0.2, 0.3, 0.4):
try:
substitute_changelog_vars(base_branch, None, cl)
except SubstitutionUnavailable as e:
raise Exception(
"No previous changelog to take the upstream version from as "
"%s was used: %s: %s." % (e.name, e.reason, reason))
# Use debian packaging environment variables
# or default values if they don't exist
if author_name is None or author_email is None:
author_name, author_email = changelog.get_maintainer()
author = "%s <%s>" % (author_name, author_email)
date = email.utils.formatdate(localtime=True)
version = base_branch.deb_version
if append_version is not None:
version += append_version
try:
changelog.Version(version)
except (changelog.VersionError, ValueError) as e:
raise Exception("Invalid deb-version: %s: %s" % (version, e))
cl.new_block(package=package, version=version,
distributions=distribution, urgency="low",
changes=["", " * Auto build.", ""],
author=author, date=date)
with open(cl_path, "w") as cl_f:
cl.write_to_open_file(cl_f)
def build_source_package(basedir, tgz_check=True):
command = ["/usr/bin/debuild"]
if tgz_check:
command.append("--tgz-check")
else:
command.append("--no-tgz-check")
command.extend(["-i", "-I", "-S", "-uc", "-us"])
logging.info("Building the source package")
try:
subprocess.check_call(command, cwd=basedir)
except OSError as e:
if e.errno == errno.ENOENT:
raise MissingDependency(
"debuild is not installed; please install the devscripts "
"package.")
raise
def get_source_format(path):
"""Retrieve the source format name from a package.
:param path: Path to the package
:return: String with package format
"""
source_format_path = os.path.join(path, "debian", "source", "format")
if not os.path.exists(source_format_path):
return "1.0"
with open(source_format_path) as f:
return f.read().strip()
def convert_3_0_quilt_to_native(path):
"""Convert a package in 3.0 (quilt) format to 3.0 (native).
This applies all patches in the package and updates the
debian/source/format file.
:param path: Path to the package on disk
"""
path = os.path.abspath(path)
patches_dir = os.path.join(path, "debian", "patches")
series_file = os.path.join(patches_dir, "series")
if os.path.exists(series_file):
logging.info("Applying quilt patches")
env = dict(os.environ)
env["QUILT_SERIES"] = series_file
env["QUILT_PATCHES"] = patches_dir
try:
subprocess.check_call(
["quilt", "push", "-a", "-v"], cwd=path, env=env)
except OSError as e:
if e.errno == errno.ENOENT:
raise MissingDependency(
"quilt is not installed; please install it.")
raise
except subprocess.CalledProcessError as e:
if e.returncode != 2:
raise Exception("Failed to apply quilt patches")
if os.path.exists(patches_dir):
shutil.rmtree(patches_dir)
with open(os.path.join(path, "debian", "source", "format"), "w") as f:
f.write("3.0 (native)\n")
def force_native_format(working_tree_path, current_format):
"""Make sure a package is a format that supports native packages.
:param working_tree_path: Path to the package
"""
if current_format == "3.0 (quilt)":
convert_3_0_quilt_to_native(working_tree_path)
elif current_format not in ("1.0", "3.0 (native)"):
raise Exception("Unknown source format %s" % current_format)
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