508 lines
20 KiB
Python
508 lines
20 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 logging
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import os
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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.helpers.pmaports
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import pmb.helpers.repo
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import pmb.parse
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import pmb.parse.arch
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def skip_already_built(pkgname, arch):
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"""
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Check if the package was already built in this session, and add it
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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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pmb.helpers.other.cache["built"][arch].append(pkgname)
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return False
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def get_apkbuild(args, pkgname, arch):
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"""
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Parse the APKBUILD path for pkgname. When there is none, try to find it in
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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(args, arch)
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# Get pmaport, skip upstream only packages
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pmaport = pmb.helpers.pmaports.get(args, pkgname, False)
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if pmaport:
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return pmaport
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if pmb.parse.apkindex.providers(args, pkgname, arch, False):
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return 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(args, pkgname, arch):
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"""
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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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# Check for pmaport with arch
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if pmb.helpers.package.check_arch(args, 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(args, pkgname, arch, False)
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if binary:
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pmaport = pmb.helpers.pmaports.get(args, 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 args.action == "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(args, apkbuild):
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"""
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Alpine's abuild always builds/installs the "depends" and "makedepends"
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of a package before building it. 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 "ignore_depends" not in args or not args.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(args, apkbuild, arch, strict):
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"""
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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(args, 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 "no_depends" in args and args.no_depends:
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pmb.helpers.repo.update(args, 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(args, 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(args, depend, arch)
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if apkbuild_dep and \
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pmb.build.is_necessary(args, 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(args, 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(args, apkbuild, arch, force, depends_built):
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"""
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Check if a build is necessary, and warn if it is not, but there were
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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(args, 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(args, apkbuild, arch, strict=False, force=False, cross=None,
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suffix="native", skip_init_buildenv=False, src=None):
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"""
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Build all dependencies, 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 = pmb.config.arch_native
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# Build dependencies
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depends, built = build_depends(args, apkbuild, depends_arch, strict)
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# Check if build is necessary
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if not is_necessary_warn_depends(args, 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(args, suffix)
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pmb.build.other.configure_abuild(args, suffix)
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pmb.build.other.configure_ccache(args, suffix)
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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(args, depends, suffix)
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if src:
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pmb.chroot.apk.install(args, ["rsync"], suffix)
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# Cross-compiler init
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if cross:
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pmb.build.init_compiler(args, depends, cross, arch)
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if cross == "crossdirect":
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pmb.chroot.mount_native_into_foreign(args, suffix)
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return True
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def get_pkgver(original_pkgver, original_source=False, now=None):
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"""
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Get the original pkgver when using the original source. Otherwise, get the
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pkgver with an appended suffix of current date and time. For example:
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_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(args, apkbuild, pkgver, src, suffix="native"):
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"""
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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 = args.work + "/chroot_" + suffix + mount_path
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pmb.helpers.mount.bind(args, 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 = args.work + "/chroot_" + suffix + append_path
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if os.path.exists(append_path_outside):
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pmb.chroot.root(args, ["rm", append_path], suffix)
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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(args, ["cat", append_path], suffix)
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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(args, ["sh", "-c", shell_cmd], suffix)
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pmb.chroot.user(args, ["mv", append_path + "_", apkbuild_path], suffix)
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def mount_pmaports(args, destination, suffix="native"):
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"""
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Mount pmaports.git in chroot.
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:param destination: mount point inside the chroot
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"""
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outside_destination = args.work + "/chroot_" + suffix + destination
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pmb.helpers.mount.bind(args, args.aports, outside_destination, umount=True)
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def link_to_git_dir(args, suffix):
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"""
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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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destination = "/mnt/pmaports"
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mount_pmaports(args, destination, suffix)
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# Create .git symlink
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pmb.chroot.user(args, ["mkdir", "-p", "/home/pmos/build"], suffix)
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pmb.chroot.user(args, ["ln", "-sf", destination + "/.git",
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"/home/pmos/build/.git"], suffix)
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def run_abuild(args, apkbuild, arch, strict=False, force=False, cross=None,
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suffix="native", src=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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: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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# Pretty log message
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pkgver = get_pkgver(apkbuild["pkgver"], src is None)
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output = (arch + "/" + apkbuild["pkgname"] + "-" + pkgver +
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"-r" + apkbuild["pkgrel"] + ".apk")
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message = "(" + suffix + ") build " + 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 = pmb.parse.arch.alpine_to_hostspec(arch)
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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(["/native/usr/lib/crossdirect/" + arch,
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pmb.config.chroot_path])
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if not args.ccache:
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env["CCACHE_DISABLE"] = "1"
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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 args.go_mod_cache:
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env["GOMODCACHE"] = "/home/pmos/go/pkg/mod"
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# Build the abuild command
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cmd = ["abuild", "-D", "postmarketOS"]
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if strict or "pmb:strict" in apkbuild["options"]:
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if not strict:
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logging.debug(apkbuild["pkgname"] + ": 'pmb:strict' found in"
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" options, building in strict mode")
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cmd += ["-r"] # install depends with abuild
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else:
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cmd += ["-d"] # do not install depends with abuild
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if force:
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cmd += ["-f"]
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# Copy the aport to the chroot and build it
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pmb.build.copy_to_buildpath(args, apkbuild["pkgname"], suffix)
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override_source(args, apkbuild, pkgver, src, suffix)
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link_to_git_dir(args, suffix)
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pmb.chroot.user(args, cmd, suffix, "/home/pmos/build", env=env)
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return (output, cmd, env)
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def finish(args, apkbuild, arch, output, strict=False, suffix="native"):
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"""
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Various finishing tasks that need to be done after a build.
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"""
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# Verify output file
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channel = pmb.config.pmaports.read_config(args)["channel"]
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path = f"{args.work}/packages/{channel}/{output}"
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if not os.path.exists(path):
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raise RuntimeError("Package not found after build: " + path)
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# Clear APKINDEX cache (we only parse APKINDEX files once per session and
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# cache the result for faster dependency resolving, but after we built a
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# package we need to parse it again)
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pmb.parse.apkindex.clear_cache(f"{args.work}/packages/{channel}"
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f"/{arch}/APKINDEX.tar.gz")
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# Uninstall build dependencies (strict mode)
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if strict or "pmb:strict" in apkbuild["options"]:
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logging.info("(" + suffix + ") uninstall build dependencies")
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pmb.chroot.user(args, ["abuild", "undeps"], suffix, "/home/pmos/build",
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env={"SUDO_APK": "abuild-apk --no-progress"})
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# If the build depends contain postmarketos-keys or postmarketos-base,
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# abuild will have removed the postmarketOS repository key (pma#1230)
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pmb.chroot.init_keys(args)
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def package(args, pkgname, arch=None, force=False, strict=False,
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skip_init_buildenv=False, src=None):
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"""
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Build a package and its dependencies with Alpine Linux' abuild.
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If this function is called multiple times on the same pkgname but first
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with force=False and then force=True the force argument will be ignored due
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to the package cache.
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See the skip_already_built() call below.
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|
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:param pkgname: package name to be built, as specified in the APKBUILD
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:param arch: architecture we're building for (default: native)
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:param force: always build, even if not necessary
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:param strict: avoid building with irrelevant dependencies installed by
|
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letting abuild install and uninstall all dependencies.
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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
|
|
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
|
|
:returns: None if the build was not necessary
|
|
output path relative to the packages folder ("armhf/ab-1-r2.apk")
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"""
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# Once per session is enough
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arch = arch or pmb.config.arch_native
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if skip_already_built(pkgname, arch):
|
|
return
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|
|
|
# Only build when APKBUILD exists
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|
apkbuild = get_apkbuild(args, pkgname, arch)
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|
if not apkbuild:
|
|
return
|
|
|
|
# Detect the build environment (skip unnecessary builds)
|
|
if not check_build_for_arch(args, pkgname, arch):
|
|
return
|
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suffix = pmb.build.autodetect.suffix(apkbuild, arch)
|
|
cross = pmb.build.autodetect.crosscompile(args, apkbuild, arch, suffix)
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|
if not init_buildenv(args, apkbuild, arch, strict, force, cross, suffix,
|
|
skip_init_buildenv, src):
|
|
return
|
|
|
|
# Build and finish up
|
|
(output, cmd, env) = run_abuild(args, apkbuild, arch, strict, force, cross,
|
|
suffix, src)
|
|
finish(args, apkbuild, arch, output, strict, suffix)
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|
return output
|