wine-staging/debian/tools/patchupdate.py

902 lines
36 KiB
Python
Executable File

#!/usr/bin/python2
#
# Automatic patch dependency checker and apply script/README.md generator.
#
# Copyright (C) 2014-2015 Sebastian Lackner
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#
import argparse
import binascii
import cPickle as pickle
import contextlib
import fnmatch
import hashlib
import itertools
import math
import multiprocessing.pool
import operator
import os
import patchutils
import progressbar
import re
import signal
import subprocess
import sys
import tempfile
import textwrap
import urllib
import xml.dom.minidom
_devnull = open(os.devnull, 'wb')
# Cached information to speed up patch dependency checks
latest_wine_commit = None
latest_staging_version = None
cached_patch_result = {}
class config(object):
path_cache = ".patchupdate.cache"
path_patches = "patches"
path_changelog = "debian/changelog"
path_wine = "debian/tools/wine"
path_template_script = "debian/tools/patchinstall.sh.in"
path_script = "patches/patchinstall.sh"
path_template_README_md = "debian/tools/README.md.in"
path_README_md = "README.md"
path_IfDefined = "9999-IfDefined.patch"
class PatchUpdaterError(RuntimeError):
"""Failed to update patches."""
pass
class PatchSet(object):
def __init__(self, name, directory):
self.name = name
self.is_category = False
self.variable = None
self.directory = directory
self.fixes = []
self.changes = []
self.disabled = False
self.ifdefined = None
self.categories = []
self.files = []
self.patches = []
self.modified_files = set()
self.depends = set()
self.auto_depends = set()
self.verify_time = None
def _pairs(a):
"""Iterate over all pairs of elements contained in the list a."""
for i, j in enumerate(a):
for k in a[i+1:]:
yield (j, k)
def _unique(iterable, key=None):
"List unique elements, preserving order. Remember only the element just seen."
# _unique('AAAABBBCCDAABBB') --> A B C D A B
# _unique('ABBCcAD', str.lower) --> A B C A D
return itertools.imap(next, itertools.imap(operator.itemgetter(1), itertools.groupby(iterable, key)))
def _split_seq(iterable, size):
"""Split an iterator into chunks of a given size."""
it = iter(iterable)
items = list(itertools.islice(it, size))
while items:
yield items
items = list(itertools.islice(it, size))
def _escape(s):
"""Escape string inside of '...' quotes."""
return s.replace("\\", "\\\\\\\\").replace("\"", "\\\"").replace("'", "'\\''")
def _load_dict(filename):
"""Load a Python dictionary object from a file."""
try:
with open(filename) as fp:
return pickle.load(fp)
except IOError:
return {}
def _save_dict(filename, value):
"""Save a Python dictionary object to a file."""
with open("%s.new" % filename, "wb") as fp:
pickle.dump(value, fp, pickle.HIGHEST_PROTOCOL)
os.rename("%s.new" % filename, filename)
def _sha256(fp):
"""Calculate sha256sum from a file descriptor."""
m = hashlib.sha256()
fp.seek(0)
while True:
buf = fp.read(16384)
if buf == "": break
m.update(buf)
return m.digest()
def _parse_int(val, default=0):
"""Parse an integer or boolean value."""
r = re.match("^[0-9]+$", val)
if r:
return int(val)
try:
return {'true': 1, 'yes': 1, 'false': 0, 'no': 0}[val.lower()]
except AttributeError:
return default
def _winebugs_query(bugids):
"""Query short_desc from multiple wine bugzilla bugs at the same time."""
bugids = list(set(bugids)) # Remove duplicates and convert to fixed order
if len(bugids) == 0: return {}
# Query bugzilla
url = "http://bugs.winehq.org/show_bug.cgi?%s&ctype=xml&field=short_desc&field=bug_status&field=resolution" % \
"&".join(["id=%d" % bugid for bugid in bugids])
with contextlib.closing(urllib.urlopen(url)) as fp:
data = xml.dom.minidom.parseString(fp.read())
# convert xml in a dictionary containing all bugs we found
result = {}
for element in data.getElementsByTagName('bug_id'):
bugids.remove(int(element.firstChild.data))
def _get_text(n):
return n.firstChild.data if (n and n.firstChild) else None
for bugid, element in zip(bugids, data.getElementsByTagName('bug')):
if element.getElementsByTagName('bug_id'): continue
result[bugid] = {
'short_desc': _get_text(element.getElementsByTagName('short_desc')[0]),
'bug_status': _get_text(element.getElementsByTagName('bug_status')[0]),
'resolution': _get_text(element.getElementsByTagName('resolution')[0]) }
return result
def _read_changelog():
"""Read information from changelog."""
with open(config.path_changelog) as fp:
for line in fp:
r = re.match("^([a-zA-Z0-9][^(]*)\((.*)\) ([^;]*)", line)
if r: yield (r.group(1).strip(), r.group(2).strip(), r.group(3).strip())
def _latest_staging_version(only_stable=False):
"""Get version number of the latest stable release."""
for package, version, distro in _read_changelog():
if distro.lower() != "unreleased":
return version
elif not only_stable:
return "%s (unreleased)" % version
def _latest_wine_commit(commit=None):
"""Get latest wine commit."""
if not os.path.isdir(config.path_wine):
raise PatchUpdaterError("Please create a symlink to the wine repository in %s" % config.path_wine)
if commit is None:
commit = subprocess.check_output(["git", "rev-parse", "origin/master"], cwd=config.path_wine).strip()
assert len(commit) == 40 and commit == commit.lower()
return commit
def enum_directories(revision, path):
"""Enumerate all subdirectories of 'path' at a specific revision."""
dirs = []
if path[0:2] == "./":
path = path[2:]
elif path[0] == "/":
raise RuntimeError("Expected relative path, not an absolute path")
if revision is None:
for name in os.listdir(path):
if name in [".", ".."]: continue
directory = os.path.join(path, name)
if not os.path.isdir(directory):
continue
dirs.append((name, directory))
else:
filename = "%s:%s" % (revision, path)
try:
content = subprocess.check_output(["git", "show", filename], stderr=_devnull)
except subprocess.CalledProcessError as e:
if e.returncode != 128: raise
return [] # ignore error
lines = content.split("\n")
if not lines[0].startswith("tree ") or lines[1] != "":
raise RuntimeError("Unexpected output from 'git show %s'" % filename)
for name in lines[2:]:
if name == "" or name[-1] != "/": continue
name = name[:-1]
dirs.append((name, os.path.join(path, name)))
return dirs
def read_patchset(revision = None):
"""Read information about all patchsets for a specific revision."""
unique_id = itertools.count()
all_patches = {}
name_to_id = {}
all_bugids = set()
categories = {}
# Read in sorted order (to ensure created Makefile doesn't change too much)
for name, directory in sorted(enum_directories(revision, config.path_patches)):
patch = PatchSet(name, directory)
if revision is None:
# If its the latest revision, then request additional information
if not os.path.isdir(directory):
raise RuntimeError("Unable to open directory %s" % directory)
# Enumerate .patch files in the given directory, enumerate individual patches and affected files
for f in sorted(os.listdir(directory)):
if not re.match("^[0-9]{4}-.*\\.patch$", f):
continue
if f.startswith(config.path_IfDefined):
continue
if not os.path.isfile(os.path.join(directory, f)):
continue
patch.files.append(f)
for p in patchutils.read_patch(os.path.join(directory, f)):
patch.modified_files.add(p.modified_file)
patch.patches.append(p)
# No single patch within this directory, ignore it
if len(patch.patches) == 0:
del patch
continue
i = next(unique_id)
all_patches[i] = patch
name_to_id[name] = i
# Now read the definition files in a second step
for i, patch in all_patches.iteritems():
try:
filename = os.path.join(os.path.join(config.path_patches, patch.name), "definition")
if revision is None:
with open(filename) as fp:
content = fp.read()
else:
filename = "%s:%s" % (revision, filename)
content = subprocess.check_output(["git", "show", filename], stderr=_devnull)
except (IOError, subprocess.CalledProcessError):
continue # Skip this definition file
for line in content.split("\n"):
if line.startswith("#"):
continue
tmp = line.split(":", 1)
if len(tmp) != 2:
continue
key, val = tmp[0].lower(), tmp[1].strip()
if key == "depends":
if not name_to_id.has_key(val):
raise PatchUpdaterError("Definition file %s references unknown dependency %s" % (filename, val))
patch.depends.add(name_to_id[val])
elif key == "apply-after":
for j, other_patch in all_patches.iteritems():
if i != j and any([fnmatch.fnmatch(f, val) for f in other_patch.modified_files]):
patch.auto_depends.add(j)
elif key == "apply-before":
for j, other_patch in all_patches.iteritems():
if i != j and any([fnmatch.fnmatch(f, val) for f in other_patch.modified_files]):
other_patch.auto_depends.add(i)
elif key == "category":
val = "category-%s" % val
if name_to_id.has_key(val):
raise PatchUpdaterError("Category name in definition file %s collides with patchset %s" % (filename, val))
patch.categories.append(val)
elif key == "fixes":
r = re.match("^[0-9]+$", val)
if r:
bugid = int(val)
patch.fixes.append((bugid, None))
all_bugids.add(bugid)
continue
r = re.match("^\\[ *([0-9]+) *\\](.*)$", val)
if r:
bugid = int(r.group(1))
patch.fixes.append((bugid, r.group(2).strip()))
all_bugids.add(bugid)
continue
patch.fixes.append((None, val))
elif key == "disabled":
patch.disabled = _parse_int(val)
elif key == "ifdefined":
patch.ifdefined = val
elif revision is None:
print "WARNING: Ignoring unknown command in definition file %s: %s" % (filename, line)
# If patch is not disabled then finally add it to the category
if not patch.disabled:
for category in patch.categories:
if not categories.has_key(category):
categories[category] = set()
categories[category].add(i)
# Add virtual targets for all the categories
for category, indices in categories.iteritems():
patch = PatchSet(category, directory)
patch.is_category = True
patch.depends = indices
i = next(unique_id)
all_patches[i] = patch
name_to_id[name] = i
# To simplify the task of keeping the bug list up-to-date, list all bugs
# which might require attention.
if revision is None:
once = True
for bugid, bug in sorted(_winebugs_query(all_bugids).items()):
if bug['bug_status'] not in ["UNCONFIRMED", "NEW", "ASSIGNED", "REOPENED"]:
if once:
print ""
print "WARNING: The following bugs might require attention:"
print ""
once = False
print " #%d - \"%s\" - %s %s" % (bugid, bug['short_desc'], bug['bug_status'],
bug['resolution'] if bug['resolution'] else "")
print ""
return all_patches
def causal_time_combine(a, b):
"""Combines two timestamps into a new one."""
return [max(a, b) for a, b in zip(a, b)]
def causal_time_smaller(a, b):
"""Checks if timestamp a is smaller than timestamp b."""
return all([i <= j for i, j in zip(a,b)]) and any([i < j for i, j in zip(a,b)])
def causal_time_relation(all_patches, indices):
"""Checks if the dependencies of patches are compatible with a specific apply order."""
for i, j in _pairs(indices):
if causal_time_smaller(all_patches[j].verify_time, all_patches[i].verify_time):
return False
return True
def causal_time_relation_any(all_patches, indices):
"""Similar to causal_time_relation(), but also check all possible permutations of indices."""
for i, j in _pairs(indices):
if not (causal_time_smaller(all_patches[i].verify_time, all_patches[j].verify_time) or \
causal_time_smaller(all_patches[j].verify_time, all_patches[i].verify_time)):
return False
return True
def contains_binary_patch(all_patches, indices, filename):
"""Checks if any patch with given indices affecting filename is a binary patch."""
for i in indices:
for patch in all_patches[i].patches:
if patch.modified_file == filename and patch.is_binary():
return True
return False
def get_wine_file(filename):
"""Return the content of a file."""
entry = "%s:%s" % (latest_wine_commit, filename)
result = tempfile.NamedTemporaryFile()
try:
content = subprocess.check_call(["git", "show", entry], cwd=config.path_wine, \
stdout=result, stderr=_devnull)
except subprocess.CalledProcessError as e:
if e.returncode != 128: raise
result.flush() # shouldn't be necessary because the subprocess writes directly to the fd
return result
def extract_patch(patchset, filename):
"""Extract all changes to a specific file from a patchset."""
p = tempfile.NamedTemporaryFile()
m = hashlib.sha256()
for patch in patchset.patches:
if patch.modified_file != filename:
continue
for chunk in patch.read_chunks():
p.write(chunk)
m.update(chunk)
p.write("\n")
m.update("\n")
p.flush()
return (m.digest(), p)
def select_patches(all_patches, indices, filename):
"""Create a temporary patch file for each patchset and calculate the checksum."""
selected_patches = {}
for i in indices:
selected_patches[i] = extract_patch(all_patches[i], filename)
return selected_patches
def resolve_dependencies(all_patches, index = None, depends = None, auto_deps = True):
"""Returns a sorted list with all dependencies for a given patch."""
def _resolve(depends):
for i in sorted(depends):
# Check for disabled patch
if all_patches[i].disabled:
raise PatchUpdaterError("Encountered dependency on disabled patchset %s" % all_patches[i].name)
# Dependencies already resolved
if all_patches[i].verify_resolved > 0:
continue
# Detect circular dependency
if all_patches[i].verify_resolved < 0:
raise PatchUpdaterError("Circular dependency while trying to resolve %s" % all_patches[i].name)
# Recusively resolve dependencies
all_patches[i].verify_resolved = -1
_resolve(all_patches[i].depends)
if auto_deps: _resolve(all_patches[i].auto_depends)
all_patches[i].verify_resolved = 1
resolved.append(i)
for _, patch in all_patches.iteritems():
patch.verify_resolved = 0
resolved = []
if depends is None:
_resolve(all_patches[index].depends)
if auto_deps: _resolve(all_patches[index].auto_depends)
else:
_resolve(depends)
return resolved
def generate_ifdefined(all_patches, skip_checks=False):
"""Update autogenerated ifdefined patches, which can be used to selectively disable features at compile time."""
enabled_patches = dict([(i, patch) for i, patch in all_patches.iteritems() if not patch.disabled])
for i, patch in enabled_patches.iteritems():
if patch.ifdefined is None:
continue
filename = os.path.join(patch.directory, config.path_IfDefined)
headers = { 'author': "Wine Staging Team",
'email': "webmaster@fds-team.de",
'subject': "Autogenerated #ifdef patch for %s." % patch.name }
if skip_checks:
patch.files.append(os.path.basename(filename))
patch.patches.append(patchutils.PatchObject(filename, headers))
continue
with open(filename, "wb") as fp:
fp.write("From: %s <%s>\n" % (headers['author'], headers['email']))
fp.write("Subject: %s\n" % headers['subject'])
fp.write("\n")
depends = resolve_dependencies(enabled_patches, i)
for f in patch.modified_files:
# Reconstruct the state after applying the dependencies
original = get_wine_file(f)
selected_patches = select_patches(enabled_patches, depends, f)
failed = []
try:
for j in depends:
failed.append(j)
original = patchutils.apply_patch(original, selected_patches[j][1], fuzz=0)
except patchutils.PatchApplyError:
raise PatchUpdaterError("Changes to file %s don't apply: %s" %
(f, ", ".join([all_patches[j].name for j in failed])))
# Now apply the main patch
p = extract_patch(patch, f)[1]
try:
failed.append(i)
patched = patchutils.apply_patch(original, p, fuzz=0)
except patchutils.PatchApplyError:
raise PatchUpdaterError("Changes to file %s don't apply: %s" %
(f, ", ".join([all_patches[j].name for j in failed])))
# Now get the diff between both
diff = patchutils.generate_ifdef_patch(original, patched, ifdef=patch.ifdefined)
if diff is not None:
fp.write("diff --git a/%s b/%s\n" % (f, f))
fp.write("--- a/%s\n" % f)
fp.write("+++ b/%s\n" % f)
while True:
buf = diff.read(16384)
if buf == "": break
fp.write(buf)
diff.close()
# Close the file
fp.close()
# Add changes to git
subprocess.call(["git", "add", filename])
# Add the autogenerated file as a last patch
patch.files.append(os.path.basename(filename))
for p in patchutils.read_patch(filename):
assert p.modified_file in patch.modified_files
patch.patches.append(p)
def generate_script(all_patches, skip_checks=False):
"""Resolve dependencies, and afterwards check if everything applies properly."""
depends = sorted([i for i, patch in all_patches.iteritems() if not patch.disabled])
resolved = resolve_dependencies(all_patches, depends=depends)
max_patches = max(resolved) + 1
if not skip_checks:
# Generate timestamps based on dependencies, still required for binary patches
# Find out which files are modified by multiple patches
modified_files = {}
for i, patch in [(i, all_patches[i]) for i in resolved]:
patch.verify_time = [0]*max_patches
patch.verify_time[i] += 1
for j in patch.depends:
patch.verify_time = causal_time_combine(patch.verify_time, all_patches[j].verify_time)
for f in patch.modified_files:
if f not in modified_files:
modified_files[f] = []
modified_files[f].append(i)
# Check dependencies
dependency_cache = _load_dict(config.path_cache)
pool = multiprocessing.pool.ThreadPool(processes=4)
try:
for filename, indices in modified_files.iteritems():
# If one of patches is a binary patch, then we cannot / won't verify it - require dependencies in this case
if contains_binary_patch(all_patches, indices, filename):
if not causal_time_relation_any(all_patches, indices):
raise PatchUpdaterError("Because of binary patch modifying file %s the following patches need explicit dependencies: %s" %
(filename, ", ".join([all_patches[i].name for i in indices])))
continue
original_content = get_wine_file(filename)
original_hash = _sha256(original_content)
selected_patches = select_patches(all_patches, indices, filename)
# Generate a unique id based on the original content, the selected patches
# and the dependency information. Since this information only has to be compared
# we can throw it into a single hash.
m = hashlib.sha256()
m.update(original_hash)
for i in indices:
m.update("P%s" % selected_patches[i][0])
for j in indices:
if causal_time_smaller(all_patches[j].verify_time, all_patches[i].verify_time):
m.update("D%s" % selected_patches[j][0])
unique_hash = m.digest()
# Skip checks if it matches the information from the cache
try:
if dependency_cache[filename] == unique_hash:
continue
except KeyError:
pass
# Show a progress bar while applying the patches - this task might take some time
chunk_size = 20
with progressbar.ProgressBar(desc=filename, total=2 ** len(indices) / chunk_size) as progress:
def test_apply(current):
set_apply = [(i, all_patches[i]) for i in current]
set_skip = [(i, all_patches[i]) for i in indices if i not in current]
# Check if there is any patch2 which depends directly or indirectly on patch1.
# If this is the case we found an impossible situation, we can be skipped in this test.
for i, patch1 in set_apply:
for j, patch2 in set_skip:
if causal_time_smaller(patch2.verify_time, patch1.verify_time):
return None # we can skip this test
try:
original = original_content
for i, _ in set_apply:
original = patchutils.apply_patch(original, selected_patches[i][1], fuzz=0)
except patchutils.PatchApplyError:
return current
return None # everything is fine
def test_apply_seq(current_list):
for current in current_list:
failed = test_apply(current)
if failed is not None:
return failed
return None
iterables = []
for i in xrange(0, len(indices) + 1):
iterables.append(itertools.combinations(indices, i))
it = _split_seq(itertools.chain(*iterables), chunk_size)
for k, failed in enumerate(pool.imap_unordered(test_apply_seq, it)):
if failed is not None:
progress.finish("<failed to apply>")
raise PatchUpdaterError("Changes to file %s don't apply: %s" %
(filename, ", ".join([all_patches[i].name for i in failed])))
progress.update(k)
# Update the dependency cache
dependency_cache[filename] = unique_hash
# Delete outdated cache information
for filename in dependency_cache.keys():
if not modified_files.has_key(filename):
del dependency_cache[filename]
finally:
pool.close()
_save_dict(config.path_cache, dependency_cache)
# Generate code for helper functions
lines = []
lines.append("# Enable or disable all patchsets\n")
lines.append("patch_enable_all ()\n")
lines.append("{\n")
for i, patch in sorted([(i, all_patches[i]) for i in resolved], key=lambda x:x[1].name):
if patch.is_category: continue
patch.variable = "enable_%s" % patch.name.replace("-","_").replace(".","_")
lines.append("\t%s=\"$1\"\n" % patch.variable)
lines.append("}\n")
lines.append("\n")
lines.append("# Enable or disable all categories\n")
lines.append("category_enable_all ()\n")
lines.append("{\n")
for i, patch in sorted([(i, all_patches[i]) for i in resolved], key=lambda x:x[1].name):
if not patch.is_category: continue
patch.variable = "enable_%s" % patch.name.replace("-","_").replace(".","_")
lines.append("\t%s=\"$1\"\n" % patch.variable)
lines.append("}\n")
lines.append("\n")
lines.append("# Enable or disable a specific patchset/category\n")
lines.append("patch_enable ()\n")
lines.append("{\n")
lines.append("\tcase \"$1\" in\n")
for i, patch in sorted([(i, all_patches[i]) for i in resolved], key=lambda x:x[1].name):
lines.append("\t\t%s)\n" % patch.name)
lines.append("\t\t\t%s=\"$2\"\n" % patch.variable)
lines.append("\t\t\t;;\n")
lines.append("\t\t*)\n")
lines.append("\t\t\treturn 1\n")
lines.append("\t\t\t;;\n")
lines.append("\tesac\n")
lines.append("\treturn 0\n")
lines.append("}\n")
lines_helpers = lines
# Generate code for dependency resolver
lines = []
for i, patch in [(i, all_patches[i]) for i in reversed(resolved)]:
if len(patch.depends):
lines.append("if test \"$%s\" -eq 1; then\n" % patch.variable)
for j in sorted(patch.depends):
lines.append("\tif test \"$%s\" -gt 1; then\n" % all_patches[j].variable)
lines.append("\t\tabort \"Patchset %s disabled, but %s depends on that.\"\n" %
(all_patches[j].name, patch.name))
lines.append("\tfi\n")
for j in sorted(patch.depends):
lines.append("\t%s=1\n" % all_patches[j].variable)
lines.append("fi\n\n")
lines_resolver = lines
# Generate code for applying all patchsets
lines = []
for i, patch in [(i, all_patches[i]) for i in resolved]:
# Categories do not have any files associated, so just skip over
if len(patch.files) == 0:
continue
lines.append("# Patchset %s\n" % patch.name)
lines.append("# |\n")
# List dependencies (if any)
if len(patch.depends):
depends = resolve_dependencies(all_patches, i, auto_deps=False)
lines.append("# | This patchset has the following (direct or indirect) dependencies:\n")
lines.append("# | *\t%s\n" % "\n# | \t".join(textwrap.wrap(
", ".join([all_patches[j].name for j in depends]), 120)))
lines.append("# |\n")
# List all bugs fixed by this patchset
if any([bugid is not None for bugid, bugname in patch.fixes]):
lines.append("# | This patchset fixes the following Wine bugs:\n")
for bugid, bugname in patch.fixes:
if bugid is not None:
lines.append("# | *\t%s\n" % "\n# | \t".join(textwrap.wrap("[#%d] %s" % (bugid, bugname), 120)))
lines.append("# |\n")
# List all modified files
lines.append("# | Modified files:\n")
lines.append("# | *\t%s\n" % "\n# | \t".join(textwrap.wrap(", ".join(sorted(patch.modified_files)), 120)))
lines.append("# |\n")
lines.append("if test \"$%s\" -eq 1; then\n" % patch.variable)
for f in patch.files:
lines.append("\tpatch_apply %s\n" % os.path.join(patch.name, f))
if len(patch.patches):
lines.append("\t(\n")
for p in _unique(patch.patches, key=lambda p: (p.patch_author, p.patch_subject, p.patch_revision)):
lines.append("\t\techo '+ { \"%s\", \"%s\", %d },';\n" %
(_escape(p.patch_author), _escape(p.patch_subject), p.patch_revision))
lines.append("\t) >> \"$patchlist\"\n")
lines.append("fi\n\n")
lines_apply = lines
with open(config.path_template_script) as template_fp:
template = template_fp.read()
with open(config.path_script, "w") as fp:
fp.write(template.format(latest_staging_version=_latest_staging_version(),
latest_wine_commit=latest_wine_commit,
patch_helpers="".join(lines_helpers).rstrip("\n"),
patch_resolver="".join(lines_resolver).rstrip("\n"),
patch_apply="".join(lines_apply).rstrip("\n")))
# Add changes to git
subprocess.call(["git", "add", config.path_script])
def generate_markdown(all_patches, stable_patches):
"""Generate README.md including information about specific patches and bugfixes."""
def _format_bug(mode, bugid, bugname):
if mode < 0: bugname = "~~%s~~" % bugname
if bugid is None: return "* %s" % bugname
return "* %s ([Wine Bug #%d](https://bugs.winehq.org/show_bug.cgi?id=%d))" % \
(bugname, bugid, bugid) #, short_desc.replace("\\", "\\\\").replace("\"", "\\\""))
all_fixes = {}
# Get fixes for current version
for _, patch in all_patches.iteritems():
for bugid, bugname in patch.fixes:
key = bugid if bugid is not None else bugname
all_fixes[key] = [1, bugid, bugname]
# Compare with fixes for latest stable version
for _, patch in stable_patches.iteritems():
for bugid, bugname in patch.fixes:
if bugid is not None and all_fixes.has_key(bugid):
all_fixes[bugid][0] = 0
elif all_fixes.has_key(bugname):
all_fixes[bugname][0] = 0
elif bugid is None:
for k, v in all_fixes.iteritems():
if v[2] != bugname: continue
if v[1] is None: continue
all_fixes[v[1]][0] = 0
break
else:
all_fixes[bugname] = [-1, None, bugname]
else:
all_fixes[bugid] = [-1, bugid, bugname]
# Generate lists for all new and old fixes
new_fixes = [(mode, bugid, bugname) for dummy, (mode, bugid, bugname) in
all_fixes.iteritems() if mode > 0]
old_fixes = [(mode, bugid, bugname) for dummy, (mode, bugid, bugname) in
all_fixes.iteritems() if mode <= 0]
# List of old fixes is not available when releasing a new version
if len(old_fixes) == 0:
old_fixes = new_fixes
new_fixes = []
# Generate information for current version
lines = []
if len(new_fixes):
lines.append("**Bug fixes and features included in the next upcoming release [%d]:**" % len(new_fixes))
lines.append("")
for mode, bugid, bugname in sorted(new_fixes, key=lambda x: x[2]):
lines.append(_format_bug(mode, bugid, bugname))
lines.append("")
lines.append("")
lines.append("**Bug fixes and features in Wine Staging %s [%d]:**" % (latest_staging_version, len(old_fixes)))
lines.append("")
lines.append("*Note: The following list only contains features and bug fixes which are not")
lines.append("yet available in vanilla Wine. They are removed from the list as soon as they")
lines.append("are included upstream. The list also includes features and fixes from previous")
lines.append("releases, take a look at the")
lines.append("[changelog](https://github.com/wine-compholio/wine-staging/blob/master/debian/changelog)")
lines.append("for more details.*")
lines.append("")
for mode, bugid, bugname in sorted(old_fixes, key=lambda x: x[2]):
lines.append(_format_bug(mode, bugid, bugname))
# Update README.md
with open(config.path_template_README_md) as template_fp:
template = template_fp.read()
with open(config.path_README_md, "w") as fp:
fp.write(template.format(fixes="\n".join(lines)))
# Add changes to git
subprocess.call(["git", "add", config.path_README_md])
def wrap_changelog():
lines = []
with open(config.path_changelog) as fp:
for line in fp:
if line.startswith(" *") and len(line.rstrip("\n")) > 80:
wrapped = textwrap.wrap(line[3:].strip(), 80 - 4)
lines.append(" * %s\n" % "\n ".join(wrapped))
else:
lines.append(line)
with open(config.path_changelog, "w") as fp:
for line in lines:
fp.write(line)
# Add changes to git
subprocess.call(["git", "add", config.path_changelog])
if __name__ == "__main__":
# Hack to avoid KeyboardInterrupts on different threads
def _sig_int(signum=None, frame=None):
signal.signal(signal.SIGINT, signal.SIG_IGN)
raise RuntimeError("CTRL+C pressed")
signal.signal(signal.SIGINT, _sig_int)
def _check_commit_hash(commit):
if len(commit) != 40 or commit != commit.lower():
raise argparse.ArgumentTypeError("not a valid commit hash")
return commit
parser = argparse.ArgumentParser(description="Automatic patch dependency checker and apply script/README.md generator.")
parser.add_argument('--skip-checks', action='store_true', help="Skip dependency checks")
parser.add_argument('--commit', type=_check_commit_hash, help="Use given commit hash instead of HEAD")
args = parser.parse_args()
tools_directory = os.path.dirname(os.path.realpath(__file__))
os.chdir(os.path.join(tools_directory, "./../.."))
try:
# Get information about Wine and Staging version
latest_wine_commit = _latest_wine_commit(args.commit)
latest_staging_version = _latest_staging_version(only_stable=True)
# Read current and stable patches
all_patches = read_patchset()
stable_patches = read_patchset(revision="v%s" % latest_staging_version)
generate_ifdefined(all_patches, skip_checks=args.skip_checks)
generate_script(all_patches, skip_checks=args.skip_checks)
generate_markdown(all_patches, stable_patches)
wrap_changelog()
except PatchUpdaterError as e:
print ""
print "ERROR: %s" % e
print ""
exit(1)