forked from Mirror/pmbootstrap
866e5bcfab
Move pmb/parse/arch.py over to core and refactor it as an Arch type, similar to how Chroot was done. Fix all the uses (that I can find) of arch in the codebase that need adjusting. The new Arch type is an Enum, making it clear what architectures can be represented and making it much easier to reason about. Since we support ~5 (kinda) different representations of an Architecture (Alpine, Kernel, target triple, platform, and QEMU), we now formalise that the Alpine format is what we represent internally, with methods to convert to any of the others as-needed. Signed-off-by: Caleb Connolly <caleb@postmarketos.org>
564 lines
22 KiB
Python
564 lines
22 KiB
Python
# Copyright 2023 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import datetime
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import enum
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from typing import Dict, List, Optional
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from pmb.core.arch import Arch
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from pmb.core.context import Context
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from pmb.core.pkgrepo import pkgrepo_paths, pkgrepo_relative_path
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from pmb.helpers import logging
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from pathlib import Path
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import pmb.build
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import pmb.build.autodetect
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import pmb.chroot
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import pmb.chroot.apk
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import pmb.config.pmaports
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import pmb.helpers.pmaports
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import pmb.helpers.repo
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import pmb.helpers.mount
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import pmb.parse
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import pmb.parse.apkindex
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from pmb.helpers.exceptions import BuildFailedError
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from pmb.core import Chroot, get_context
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class BootstrapStage(enum.IntEnum):
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"""
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Pass a BOOTSTRAP= environment variable with the given value to abuild. See
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bootstrap_1 etc. at https://postmarketos.org/pmaports.cfg for details.
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"""
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NONE = 0
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# We don't need explicit representations of the other numbers.
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def skip_already_built(pkgname, arch):
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"""Check if the package was already built in this session.
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Add it to the cache in case it was not built yet.
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:returns: True when it can be skipped or False
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"""
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if arch not in pmb.helpers.other.cache["built"]:
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pmb.helpers.other.cache["built"][arch] = []
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if pkgname in pmb.helpers.other.cache["built"][arch]:
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logging.verbose(pkgname + ": already checked this session,"
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" no need to build it or its dependencies")
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return True
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logging.verbose(f"{pkgname}: marking as already built")
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pmb.helpers.other.cache["built"][arch].append(pkgname)
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return False
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def get_apkbuild(pkgname, arch):
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"""Parse the APKBUILD path for pkgname.
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When there is none, try to find it in the binary package APKINDEX files or raise an exception.
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:param pkgname: package name to be built, as specified in the APKBUILD
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:returns: None or parsed APKBUILD
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"""
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# Get existing binary package indexes
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pmb.helpers.repo.update(arch)
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# Get pmaport, skip upstream only packages
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pmaport, apkbuild = pmb.helpers.pmaports.get_with_path(pkgname, False)
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if pmaport:
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pmaport = pkgrepo_relative_path(pmaport)[0]
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return pmaport, apkbuild
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if pmb.parse.apkindex.providers(pkgname, arch, False):
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return None, None
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raise RuntimeError("Package '" + pkgname + "': Could not find aport, and"
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" could not find this package in any APKINDEX!")
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def check_build_for_arch(pkgname, arch):
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"""Check if pmaport can be built or exists as binary for a specific arch.
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:returns: * True when it can be built
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* False when it can't be built, but exists in a binary repo
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(e.g. temp/mesa can't be built for x86_64, but Alpine has it)
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:raises: RuntimeError if the package can't be built for the given arch and
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does not exist as binary package.
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"""
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context = get_context()
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# Check for pmaport with arch
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if pmb.helpers.package.check_arch(pkgname, arch, False):
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return True
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# Check for binary package
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binary = pmb.parse.apkindex.package(pkgname, arch, False)
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if binary:
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pmaport = pmb.helpers.pmaports.get(pkgname)
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pmaport_version = pmaport["pkgver"] + "-r" + pmaport["pkgrel"]
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logging.debug(pkgname + ": found pmaport (" + pmaport_version + ") and"
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" binary package (" + binary["version"] + ", from"
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" postmarketOS or Alpine), but pmaport can't be built"
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" for " + arch + " -> using binary package")
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return False
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# No binary package exists and can't build it
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logging.info("NOTE: You can edit the 'arch=' line inside the APKBUILD")
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if context.command == "build":
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logging.info("NOTE: Alternatively, use --arch to build for another"
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" architecture ('pmbootstrap build --arch=armhf " +
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pkgname + "')")
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raise RuntimeError("Can't build '" + pkgname + "' for architecture " +
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arch)
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def get_depends(context: Context, apkbuild):
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"""Alpine's abuild always builds/installs the "depends" and "makedepends" of a package
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before building it.
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We used to only care about "makedepends"
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and it's still possible to ignore the depends with --ignore-depends.
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:returns: list of dependency pkgnames (eg. ["sdl2", "sdl2_net"])
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"""
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# Read makedepends and depends
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ret = list(apkbuild["makedepends"])
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if "!check" not in apkbuild["options"]:
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ret += apkbuild["checkdepends"]
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if not context.ignore_depends:
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ret += apkbuild["depends"]
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ret = sorted(set(ret))
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# Don't recurse forever when a package depends on itself (#948)
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for pkgname in ([apkbuild["pkgname"]] +
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list(apkbuild["subpackages"].keys())):
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if pkgname in ret:
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logging.verbose(apkbuild["pkgname"] + ": ignoring dependency on"
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" itself: " + pkgname)
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ret.remove(pkgname)
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return ret
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def build_depends(context: Context, apkbuild, arch, strict):
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"""Get and build dependencies with verbose logging messages.
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:returns: (depends, depends_built)
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"""
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# Get dependencies
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pkgname = apkbuild["pkgname"]
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depends = get_depends(context, apkbuild)
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logging.verbose(pkgname + ": build/install dependencies: " +
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", ".join(depends))
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# --no-depends: check for binary packages
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depends_built = []
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if context.no_depends:
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pmb.helpers.repo.update(arch)
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for depend in depends:
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# Ignore conflicting dependencies
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if depend.startswith("!"):
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continue
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# Check if binary package is missing
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if not pmb.parse.apkindex.package(depend, arch, False):
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raise RuntimeError("Missing binary package for dependency '" +
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depend + "' of '" + pkgname + "', but"
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" pmbootstrap won't build any depends since"
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" it was started with --no-depends.")
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# Check if binary package is outdated
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_, apkbuild_dep = get_apkbuild(depend, arch)
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if apkbuild_dep and \
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pmb.build.is_necessary(arch, apkbuild_dep):
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raise RuntimeError(f"Binary package for dependency '{depend}'"
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f" of '{pkgname}' is outdated, but"
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f" pmbootstrap won't build any depends"
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f" since it was started with --no-depends.")
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else:
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# Build the dependencies
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for depend in depends:
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if depend.startswith("!"):
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continue
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if package(context, depend, arch, strict=strict):
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depends_built += [depend]
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logging.verbose(pkgname + ": build dependencies: done, built: " +
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", ".join(depends_built))
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return (depends, depends_built)
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def is_necessary_warn_depends(apkbuild, arch, force, depends_built):
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"""Check if a build is necessary, and warn if it is not, but there were dependencies built.
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:returns: True or False
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"""
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pkgname = apkbuild["pkgname"]
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# Check if necessary (this warns about binary version > aport version, so
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# call it even in force mode)
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ret = pmb.build.is_necessary(arch, apkbuild)
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if force:
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ret = True
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if not ret and len(depends_built):
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logging.verbose(f"{pkgname}: depends on rebuilt package(s): "
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f" {', '.join(depends_built)}")
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logging.verbose(pkgname + ": build necessary: " + str(ret))
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return ret
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def init_buildenv(context: Context, apkbuild, arch, strict=False, force=False, cross=None,
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chroot: Chroot = Chroot.native(), skip_init_buildenv=False, src=None):
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"""Build all dependencies.
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Check if we need to build at all (otherwise we've
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just initialized the build environment for nothing) and then setup the
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whole build environment (abuild, gcc, dependencies, cross-compiler).
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:param cross: None, "native", or "crossdirect"
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:param skip_init_buildenv: can be set to False to avoid initializing the
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build environment. Use this when building
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something during initialization of the build
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environment (e.g. qemu aarch64 bug workaround)
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:param src: override source used to build the package with a local folder
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:returns: True when the build is necessary (otherwise False)
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"""
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depends_arch = arch
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if cross == "native":
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depends_arch = Arch.native()
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# Build dependencies
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depends, built = build_depends(context, apkbuild, depends_arch, strict)
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# Check if build is necessary
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if not is_necessary_warn_depends(apkbuild, arch, force, built):
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return False
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# Install and configure abuild, ccache, gcc, dependencies
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if not skip_init_buildenv:
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pmb.build.init(chroot)
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pmb.build.other.configure_abuild(chroot)
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if context.ccache:
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pmb.build.other.configure_ccache(chroot)
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if "rust" in depends or "cargo" in depends:
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pmb.chroot.apk.install(["sccache"], chroot)
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if not strict and "pmb:strict" not in apkbuild["options"] and len(depends):
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pmb.chroot.apk.install(depends, chroot)
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if src:
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pmb.chroot.apk.install(["rsync"], chroot)
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# Cross-compiler init
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if cross:
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pmb.build.init_compiler(context, depends, cross, arch)
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if cross == "crossdirect":
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pmb.chroot.mount_native_into_foreign(chroot)
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return True
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def get_pkgver(original_pkgver, original_source=False, now=None):
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"""Get the original pkgver when using the original source.
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Otherwise, get the pkgver with an appended suffix of current date and time.
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For example: ``_p20180218550502``
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When appending the suffix, an existing suffix (e.g. ``_git20171231``) gets
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replaced.
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:param original_pkgver: unmodified pkgver from the package's APKBUILD.
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:param original_source: the original source is used instead of overriding
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it with --src.
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:param now: use a specific date instead of current date (for test cases)
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"""
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if original_source:
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return original_pkgver
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# Append current date
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no_suffix = original_pkgver.split("_", 1)[0]
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now = now if now else datetime.datetime.now()
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new_suffix = "_p" + now.strftime("%Y%m%d%H%M%S")
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return no_suffix + new_suffix
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def override_source(apkbuild, pkgver, src, chroot: Chroot=Chroot.native()):
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"""Mount local source inside chroot and append new functions (prepare() etc.)
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to the APKBUILD to make it use the local source.
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"""
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if not src:
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return
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# Mount source in chroot
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mount_path = "/mnt/pmbootstrap/source-override/"
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mount_path_outside = chroot / mount_path
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pmb.helpers.mount.bind(src, mount_path_outside, umount=True)
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# Delete existing append file
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append_path = "/tmp/APKBUILD.append"
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append_path_outside = chroot / append_path
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if append_path_outside.exists():
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pmb.chroot.root(["rm", append_path], chroot)
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# Add src path to pkgdesc, cut it off after max length
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pkgdesc = ("[" + src + "] " + apkbuild["pkgdesc"])[:127]
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# Appended content
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append = """
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# ** Overrides below appended by pmbootstrap for --src **
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pkgver=\"""" + pkgver + """\"
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pkgdesc=\"""" + pkgdesc + """\"
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_pmb_src_copy="/tmp/pmbootstrap-local-source-copy"
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# Empty $source avoids patching in prepare()
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_pmb_source_original="$source"
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source=""
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sha512sums=""
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fetch() {
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# Update source copy
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msg "Copying source from host system: """ + src + """\"
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rsync -a --exclude=".git/" --delete --ignore-errors --force \\
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\"""" + mount_path + """\" "$_pmb_src_copy" || true
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# Link local source files (e.g. kernel config)
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mkdir "$srcdir"
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local s
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for s in $_pmb_source_original; do
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is_remote "$s" || ln -sf "$startdir/$s" "$srcdir/"
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done
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}
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unpack() {
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ln -sv "$_pmb_src_copy" "$builddir"
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}
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"""
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# Write and log append file
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with open(append_path_outside, "w", encoding="utf-8") as handle:
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for line in append.split("\n"):
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handle.write(line[13:].replace(" " * 4, "\t") + "\n")
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pmb.chroot.user(["cat", append_path], chroot)
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# Append it to the APKBUILD
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apkbuild_path = "/home/pmos/build/APKBUILD"
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shell_cmd = ("cat " + apkbuild_path + " " + append_path + " > " +
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append_path + "_")
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pmb.chroot.user(["sh", "-c", shell_cmd], chroot)
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pmb.chroot.user(["mv", append_path + "_", apkbuild_path], chroot)
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def mount_pmaports(chroot: Chroot=Chroot.native()) -> Dict[str, Path]:
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"""
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Mount pmaports.git in chroot.
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:param chroot: chroot to target
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:returns: Dictionary mapping pkgrepo name to dest path
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"""
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dest_paths = {}
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for repo in pkgrepo_paths(skip_extras=True):
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destination = Path("/mnt") / repo.name
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outside_destination = chroot / destination
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pmb.helpers.mount.bind(repo, outside_destination, umount=True)
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dest_paths[repo.name] = destination
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return dest_paths
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def link_to_git_dir(chroot: Chroot):
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""" Make ``/home/pmos/build/.git`` point to the .git dir from pmaports.git, with a
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symlink so abuild does not fail (#1841).
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abuild expects the current working directory to be a subdirectory of a
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cloned git repository (e.g. main/openrc from aports.git). If git is
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installed, it will try to get the last git commit from that repository, and
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place it in the resulting apk (.PKGINFO) as well as use the date from that
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commit as SOURCE_DATE_EPOCH (for reproducible builds).
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With that symlink, we actually make it use the last git commit from
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pmaports.git for SOURCE_DATE_EPOCH and have that in the resulting apk's
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.PKGINFO.
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"""
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# Mount pmaports.git in chroot, in case the user did not use pmbootstrap to
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# clone it (e.g. how we build on sourcehut). Do this here and not at the
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# initialization of the chroot, because the pmaports dir may not exist yet
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# at that point. Use umount=True, so we don't have an old path mounted
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# (some tests change the pmaports dir).
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dest_paths = mount_pmaports(chroot)
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# Create .git symlink
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pmb.chroot.user(["mkdir", "-p", "/home/pmos/build"], chroot)
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pmb.chroot.user(["ln", "-sf", dest_paths["pmaports"] / ".git",
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"/home/pmos/build/.git"], chroot)
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def output_path(arch: Arch, pkgname: str, pkgver: str, pkgrel: str) -> Path:
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# Yeahp, you can just treat an Arch like a path!
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return arch / f"{pkgname}-{pkgver}-r{pkgrel}.apk"
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def run_abuild(context: Context, apkbuild, channel, arch, strict=False, force=False, cross=None,
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suffix: Chroot=Chroot.native(), src=None, bootstrap_stage=BootstrapStage.NONE):
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"""
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Set up all environment variables and construct the abuild command (all
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depending on the cross-compiler method and target architecture), copy
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the aport to the chroot and execute abuild.
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:param cross: None, "native", or "crossdirect"
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:param src: override source used to build the package with a local folder
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:param bootstrap_stage: pass a BOOTSTRAP= env var with the value to abuild
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:returns: (output, cmd, env), output is the destination apk path relative
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to the package folder ("x86_64/hello-1-r2.apk"). cmd and env are
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used by the test case, and they are the full abuild command and
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the environment variables dict generated in this function.
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"""
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# Sanity check
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if cross == "native" and "!tracedeps" not in apkbuild["options"]:
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logging.info("WARNING: Option !tracedeps is not set, but we're"
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" cross-compiling in the native chroot. This will"
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" probably fail!")
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pkgdir = context.config.work / "packages" / channel
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if not pkgdir.exists():
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pmb.helpers.run.root(["mkdir", "-p", pkgdir])
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pmb.helpers.run.root(["chown", "-R", f"{pmb.config.chroot_uid_user}:{pmb.config.chroot_uid_user}",
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pkgdir.parent])
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pmb.chroot.rootm([["mkdir", "-p", "/home/pmos/packages"],
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["rm", "-f", "/home/pmos/packages/pmos"],
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["ln", "-sf", f"/mnt/pmbootstrap/packages/{channel}",
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"/home/pmos/packages/pmos"]], suffix)
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# Pretty log message
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pkgver = get_pkgver(apkbuild["pkgver"], src is None)
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output = output_path(arch, apkbuild["pkgname"], pkgver, apkbuild["pkgrel"])
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message = f"({suffix}) build {channel}/{output}"
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if src:
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message += " (source: " + src + ")"
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logging.info(message)
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# Environment variables
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env = {"CARCH": arch,
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"SUDO_APK": "abuild-apk --no-progress"}
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if cross == "native":
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hostspec = arch.alpine_triple()
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env["CROSS_COMPILE"] = hostspec + "-"
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env["CC"] = hostspec + "-gcc"
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if cross == "crossdirect":
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env["PATH"] = ":".join([f"/native/usr/lib/crossdirect/{arch}",
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pmb.config.chroot_path])
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if not context.ccache:
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env["CCACHE_DISABLE"] = "1"
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# Use sccache without crossdirect (crossdirect uses it via rustc.sh)
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if context.ccache and cross != "crossdirect":
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env["RUSTC_WRAPPER"] = "/usr/bin/sccache"
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# Cache binary objects from go in this path (like ccache)
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env["GOCACHE"] = "/home/pmos/.cache/go-build"
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# Cache go modules (git repositories). Usually these should be bundled and
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# it should not be required to download them at build time, in that case
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# the APKBUILD sets the GOPATH (and therefore indirectly GOMODCACHE). But
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# e.g. when using --src they are not bundled, in that case it makes sense
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# to point GOMODCACHE at pmbootstrap's work dir so the modules are only
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# downloaded once.
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if context.go_mod_cache:
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|
env["GOMODCACHE"] = "/home/pmos/go/pkg/mod"
|
|
|
|
if bootstrap_stage:
|
|
env["BOOTSTRAP"] = str(bootstrap_stage)
|
|
|
|
# Build the abuild command
|
|
cmd = ["abuild", "-D", "postmarketOS"]
|
|
if strict or "pmb:strict" in apkbuild["options"]:
|
|
if not strict:
|
|
logging.debug(apkbuild["pkgname"] + ": 'pmb:strict' found in"
|
|
" options, building in strict mode")
|
|
cmd += ["-r"] # install depends with abuild
|
|
else:
|
|
cmd += ["-d"] # do not install depends with abuild
|
|
if force:
|
|
cmd += ["-f"]
|
|
|
|
# Copy the aport to the chroot and build it
|
|
pmb.build.copy_to_buildpath(apkbuild["pkgname"], suffix)
|
|
override_source(apkbuild, pkgver, src, suffix)
|
|
link_to_git_dir(suffix)
|
|
pmb.chroot.user(cmd, suffix, Path("/home/pmos/build"), env=env)
|
|
return (output, cmd, env)
|
|
|
|
|
|
def finish(apkbuild, channel, arch, output: str, chroot: Chroot, strict=False):
|
|
"""Various finishing tasks that need to be done after a build."""
|
|
# Verify output file
|
|
out_dir = (get_context().config.work / "packages" / channel)
|
|
if not (out_dir / output).exists():
|
|
raise RuntimeError(f"Package not found after build: {(out_dir / output)}")
|
|
|
|
# Clear APKINDEX cache (we only parse APKINDEX files once per session and
|
|
# cache the result for faster dependency resolving, but after we built a
|
|
# package we need to parse it again)
|
|
pmb.parse.apkindex.clear_cache(out_dir / arch / "APKINDEX.tar.gz")
|
|
|
|
# Uninstall build dependencies (strict mode)
|
|
if strict or "pmb:strict" in apkbuild["options"]:
|
|
logging.info(f"({chroot}) uninstall build dependencies")
|
|
pmb.chroot.user(["abuild", "undeps"], chroot, Path("/home/pmos/build"),
|
|
env={"SUDO_APK": "abuild-apk --no-progress"})
|
|
# If the build depends contain postmarketos-keys or postmarketos-base,
|
|
# abuild will have removed the postmarketOS repository key (pma#1230)
|
|
pmb.chroot.init_keys()
|
|
|
|
|
|
def package(context: Context, pkgname, arch: Optional[Arch]=None, force=False, strict=False,
|
|
skip_init_buildenv=False, src=None,
|
|
bootstrap_stage=BootstrapStage.NONE):
|
|
"""
|
|
Build a package and its dependencies with Alpine Linux' abuild.
|
|
|
|
If this function is called multiple times on the same pkgname but first
|
|
with force=False and then force=True the force argument will be ignored due
|
|
to the package cache.
|
|
See the skip_already_built() call below.
|
|
|
|
:param pkgname: package name to be built, as specified in the APKBUILD
|
|
:param arch: architecture we're building for (default: native)
|
|
:param force: always build, even if not necessary
|
|
:param strict: avoid building with irrelevant dependencies installed by
|
|
letting abuild install and uninstall all dependencies.
|
|
:param skip_init_buildenv: can be set to False to avoid initializing the
|
|
build environment. Use this when building
|
|
something during initialization of the build
|
|
environment (e.g. qemu aarch64 bug workaround)
|
|
:param src: override source used to build the package with a local folder
|
|
:param bootstrap_stage: pass a BOOTSTRAP= env var with the value to abuild
|
|
:returns: None if the build was not necessary
|
|
output path relative to the packages folder ("armhf/ab-1-r2.apk")
|
|
"""
|
|
logging.verbose(f"{pkgname}: running pmb.build._package.package")
|
|
|
|
# Once per session is enough
|
|
arch = arch or Arch.native()
|
|
# the order of checks here is intentional,
|
|
# skip_already_built() has side effects!
|
|
if skip_already_built(pkgname, arch) and not force:
|
|
return
|
|
|
|
# Only build when APKBUILD exists
|
|
aports, apkbuild = get_apkbuild(pkgname, arch)
|
|
if not apkbuild:
|
|
return
|
|
|
|
channel: str = pmb.config.pmaports.read_config(aports)["channel"]
|
|
|
|
# Detect the build environment (skip unnecessary builds)
|
|
if not check_build_for_arch(pkgname, arch):
|
|
return
|
|
chroot = pmb.build.autodetect.chroot(apkbuild, arch)
|
|
cross = pmb.build.autodetect.crosscompile(apkbuild, arch, chroot)
|
|
if not init_buildenv(context, apkbuild, arch, strict, force, cross, chroot,
|
|
skip_init_buildenv, src):
|
|
return
|
|
|
|
# Build and finish up
|
|
try:
|
|
(output, cmd, env) = run_abuild(context, apkbuild, channel, arch, strict, force, cross,
|
|
chroot, src, bootstrap_stage)
|
|
except RuntimeError:
|
|
raise BuildFailedError(f"Build for {arch}/{pkgname} failed!")
|
|
finish(apkbuild, channel, arch, output, chroot, strict)
|
|
return output
|