pmbootstrap/pmb/build/other.py

313 lines
12 KiB
Python

"""
Copyright 2018 Oliver Smith
This file is part of pmbootstrap.
pmbootstrap 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 3 of the License, or
(at your option) any later version.
pmbootstrap 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 pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
"""
import os
import logging
import glob
import shutil
import pmb.build.other
import pmb.chroot
import pmb.helpers.file
import pmb.helpers.git
import pmb.helpers.run
import pmb.parse.apkindex
import pmb.parse.version
def find_aport(args, package, must_exist=True):
"""
Find the aport, that provides a certain subpackage.
:param must_exist: Raise an exception, when not found
:returns: the full path to the aport folder
"""
# Try to get a cached result first (we assume, that the aports don't change
# in one pmbootstrap call)
ret = None
if package in args.cache["find_aport"]:
ret = args.cache["find_aport"][package]
else:
# Search in packages
paths = glob.glob(args.aports + "/*/" + package)
if len(paths) > 2:
raise RuntimeError("Package " + package + " found in multiple"
" aports subfolders. Please put it only in one"
" folder.")
elif len(paths) == 1:
ret = paths[0]
else:
# Search in subpackages
for path_current in glob.glob(args.aports + "/*/*/APKBUILD"):
apkbuild = pmb.parse.apkbuild(args, path_current)
if package in apkbuild["subpackages"]:
ret = os.path.dirname(path_current)
break
# Crash when necessary
if ret is None and must_exist:
raise RuntimeError("Could not find aport for package: " +
package)
# Save result in cache
args.cache["find_aport"][package] = ret
return ret
def copy_to_buildpath(args, package, suffix="native"):
# Sanity check
aport = find_aport(args, package)
if not os.path.exists(aport + "/APKBUILD"):
raise ValueError("Path does not contain an APKBUILD file:" +
aport)
# Clean up folder
build = args.work + "/chroot_" + suffix + "/home/pmos/build"
if os.path.exists(build):
pmb.chroot.root(args, ["rm", "-rf", "/home/pmos/build"],
suffix=suffix)
# Copy aport contents
pmb.helpers.run.root(args, ["cp", "-r", aport + "/", build])
pmb.chroot.root(args, ["chown", "-R", "pmos:pmos",
"/home/pmos/build"], suffix=suffix)
def aports_files_out_of_sync_with_git(args, package=None):
"""
Get a list of files, about which git says, that they have changed in
comparison to upstream. We need this for the timestamp based rebuild check,
where it does not only rely on the APKBUILD pkgver and pkgrel, but also on
the file's last modified date to decide if it needs to be rebuilt. Git sets
the last modified timestamp to the last checkout date, so we must ignore
all files, that have not been modified, or else we would trigger rebuilds
for all packages, from the pmOS binary repository.
:returns: list of absolute paths to all files not in sync with upstream
"""
# Filter out a specific package
if package:
ret = []
prefix = os.path.realpath(
pmb.build.other.find_aport(
args, package)) + "/"
for file in aports_files_out_of_sync_with_git(args):
if file.startswith(prefix):
ret.append(file)
return ret
# Use cached result if possible
if args.cache["aports_files_out_of_sync_with_git"] is not None:
return args.cache["aports_files_out_of_sync_with_git"]
# Get the aport's git repository folder
git_root = None
if shutil.which("git"):
git_root = pmb.helpers.run.user(args, ["git", "rev-parse",
"--show-toplevel"],
working_dir=args.aports,
return_stdout=True,
check=False)
if git_root:
git_root = git_root.rstrip()
ret = []
if git_root and os.path.exists(git_root):
# Find all out of sync files
tracked = pmb.helpers.git.find_out_of_sync_files_tracked(
args, git_root)
untracked = pmb.helpers.run.user(
args, ["git", "ls-files", "--others", "--exclude-standard"],
working_dir=git_root, return_stdout=True)
# Set absolute path, filter out aports files
aports_absolute = os.path.realpath(args.aports)
files = tracked.rstrip().split("\n") + untracked.rstrip().split("\n")
for file in files:
file = os.path.realpath(git_root + "/" + file)
if file.startswith(aports_absolute):
ret.append(file)
else:
logging.warning("WARNING: Can not determine, which aport-files have been"
" changed from upstream!")
logging.info("* Aports-folder is not a git repository or git is not"
" installed")
logging.info("* You can turn timestamp-based rebuilds off in"
" 'pmbootstrap init'")
# Save cache
args.cache["aports_files_out_of_sync_with_git"] = ret
return ret
def sources_newer_than_binary_package(args, package, index_data):
path_sources = []
for file in glob.glob(args.aports + "/*/" + package + "/*"):
path_sources.append(file)
lastmod_target = float(index_data["timestamp"])
return not pmb.helpers.file.is_up_to_date(path_sources,
lastmod_target=lastmod_target)
def is_necessary(args, arch, apkbuild, apkindex_path=None):
"""
Check if the package has already been built. Compared to abuild's check,
this check also works for different architectures, and it recognizes
changed files in an aport folder, even if the pkgver and pkgrel did not
change.
:param arch: package target architecture
:param apkbuild: from pmb.parse.apkbuild()
:param apkindex_path: override the APKINDEX.tar.gz path
:returns: boolean
"""
# Get package name, version, define start of debug message
package = apkbuild["pkgname"]
version_new = apkbuild["pkgver"] + "-r" + apkbuild["pkgrel"]
msg = "Build is necessary for package '" + package + "': "
# Get old version from APKINDEX
if apkindex_path:
index_data = pmb.parse.apkindex.read(
args, package, apkindex_path, False)
else:
index_data = pmb.parse.apkindex.read_any_index(args, package, arch)
if not index_data:
logging.debug(msg + "No binary package available")
return True
# a) Binary repo has a newer version
version_old = index_data["version"]
if pmb.parse.version.compare(version_old, version_new) == 1:
logging.warning("WARNING: Package '" + package + "' in your aports folder"
" has version " + version_new + ", but the binary package"
" repositories already have version " + version_old + "!"
" See also: <https://postmarketos.org/warning-repo2>")
return False
# b) Aports folder has a newer version
if version_new != version_old:
logging.debug(msg + "Binary package out of date (binary: " + version_old +
", aport: " + version_new + ")")
return True
# Aports and binary repo have the same version.
if not args.timestamp_based_rebuild:
return False
# c) Same version, source files out of sync with upstream, source
# files newer than binary package
files_out_of_sync = aports_files_out_of_sync_with_git(args, package)
sources_newer = sources_newer_than_binary_package(
args, package, index_data)
if len(files_out_of_sync) and sources_newer:
logging.debug(msg + "Binary package and aport have the same pkgver and"
" pkgrel, but there are aport source files out of sync"
" with the upstream git repository *and* these source"
" files have a more recent 'last modified' timestamp than"
" the binary package's build timestamp.")
return True
# d) Same version, source files *in sync* with upstream *or* source
# files *older* than binary package
else:
return False
def index_repo(args, arch=None):
"""
Recreate the APKINDEX.tar.gz for a specific repo, and clear the parsing
cache for that file for the current pmbootstrap session (to prevent
rebuilding packages twice, in case the rebuild takes less than a second).
:param arch: when not defined, re-index all repos
"""
pmb.build.init(args)
if arch:
paths = [args.work + "/packages/" + arch]
else:
paths = glob.glob(args.work + "/packages/*")
for path in paths:
if os.path.exists(path):
path_arch = os.path.basename(path)
path_repo_chroot = "/home/pmos/packages/pmos/" + path_arch
logging.debug("(native) index " + path_arch + " repository")
commands = [
["apk", "-q", "index", "--output", "APKINDEX.tar.gz_",
"--rewrite-arch", path_arch, "*.apk"],
["abuild-sign", "APKINDEX.tar.gz_"],
["mv", "APKINDEX.tar.gz_", "APKINDEX.tar.gz"]
]
for command in commands:
pmb.chroot.user(args, command, working_dir=path_repo_chroot)
else:
logging.debug("NOTE: Can't build index for non-existing path: " +
path)
pmb.parse.apkindex.clear_cache(args, path + "/APKINDEX.tar.gz")
def configure_abuild(args, suffix, verify=False):
"""
Set the correct JOBS count in abuild.conf
:param verify: internally used to test if changing the config has worked.
"""
path = args.work + "/chroot_" + suffix + "/etc/abuild.conf"
prefix = "export JOBS="
with open(path, encoding="utf-8") as handle:
for line in handle:
if not line.startswith(prefix):
continue
if line != (prefix + args.jobs + "\n"):
if verify:
raise RuntimeError("Failed to configure abuild: " + path +
"\nTry to delete the file (or zap the chroot).")
pmb.chroot.root(args, ["sed", "-i", "-e",
"s/^" + prefix + ".*/" + prefix + args.jobs + "/",
"/etc/abuild.conf"], suffix)
configure_abuild(args, suffix, True)
return
raise RuntimeError("Could not find " + prefix + " line in " + path)
def configure_ccache(args, suffix="native", verify=False):
"""
Set the maximum ccache size
:param verify: internally used to test if changing the config has worked.
"""
# Check if the settings have been set already
arch = pmb.parse.arch.from_chroot_suffix(args, suffix)
path = args.work + "/cache_ccache_" + arch + "/ccache.conf"
if os.path.exists(path):
with open(path, encoding="utf-8") as handle:
for line in handle:
if line == ("max_size = " + args.ccache_size + "\n"):
return
if verify:
raise RuntimeError("Failed to configure ccache: " + path + "\nTry to"
" delete the file (or zap the chroot).")
# Set the size and verify
pmb.chroot.user(args, ["ccache", "--max-size", args.ccache_size],
suffix)
configure_ccache(args, suffix, True)