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>
273 lines
9.8 KiB
Python
273 lines
9.8 KiB
Python
# Copyright 2023 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import os
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from pathlib import Path
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import pmb.chroot.apk_static
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from pmb.core.arch import Arch
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from pmb.helpers import logging
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import shlex
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from typing import List
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import pmb.build
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import pmb.chroot
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import pmb.config
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import pmb.helpers.apk
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import pmb.helpers.other
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import pmb.helpers.pmaports
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import pmb.helpers.repo
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import pmb.helpers.run
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import pmb.parse.apkindex
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import pmb.parse.depends
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import pmb.parse.version
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from pmb.core import Chroot, get_context
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def update_repository_list(suffix: Chroot, postmarketos_mirror=True,
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check=False):
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"""
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Update /etc/apk/repositories, if it is outdated (when the user changed the
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--mirror-alpine or --mirror-pmOS parameters).
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:param postmarketos_mirror: add postmarketos mirror URLs
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:param check: This function calls it self after updating the
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/etc/apk/repositories file, to check if it was successful.
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Only for this purpose, the "check" parameter should be set to
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True.
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"""
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# Skip if we already did this
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if suffix in pmb.helpers.other.cache["apk_repository_list_updated"]:
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return
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# Read old entries or create folder structure
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path = suffix / "etc/apk/repositories"
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lines_old: List[str] = []
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if path.exists():
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# Read all old lines
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lines_old = []
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with path.open() as handle:
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for line in handle:
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lines_old.append(line[:-1])
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else:
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pmb.helpers.run.root(["mkdir", "-p", path.parent])
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# Up to date: Save cache, return
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lines_new = pmb.helpers.repo.urls(postmarketos_mirror=postmarketos_mirror)
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if lines_old == lines_new:
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pmb.helpers.other.cache["apk_repository_list_updated"].append(suffix)
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return
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# Check phase: raise error when still outdated
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if check:
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raise RuntimeError(f"Failed to update: {path}")
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# Update the file
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logging.debug(f"({suffix}) update /etc/apk/repositories")
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if path.exists():
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pmb.helpers.run.root(["rm", path])
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for line in lines_new:
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pmb.helpers.run.root(["sh", "-c", "echo "
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f"{shlex.quote(line)} >> {path}"])
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update_repository_list(suffix, postmarketos_mirror, True)
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def check_min_version(chroot: Chroot=Chroot.native()):
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"""
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Check the minimum apk version, before running it the first time in the
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current session (lifetime of one pmbootstrap call).
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"""
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# Skip if we already did this
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if chroot.path in pmb.helpers.other.cache["apk_min_version_checked"]:
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return
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# Skip if apk is not installed yet
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if not (chroot / "sbin/apk").exists():
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logging.debug(f"NOTE: Skipped apk version check for chroot '{chroot}'"
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", because it is not installed yet!")
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return
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# Compare
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version_installed = installed(chroot)["apk-tools"]["version"]
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pmb.helpers.apk.check_outdated(
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version_installed,
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"Delete your http cache and zap all chroots, then try again:"
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" 'pmbootstrap zap -hc'")
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# Mark this suffix as checked
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pmb.helpers.other.cache["apk_min_version_checked"].append(chroot.path)
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def packages_split_to_add_del(packages):
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"""
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Sort packages into "to_add" and "to_del" lists depending on their pkgname
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starting with an exclamation mark.
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:param packages: list of pkgnames
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:returns: (to_add, to_del) - tuple of lists of pkgnames, e.g.
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(["hello-world", ...], ["some-conflict-pkg", ...])
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"""
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to_add = []
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to_del = []
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for package in packages:
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if package.startswith("!"):
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to_del.append(package.lstrip("!"))
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else:
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to_add.append(package)
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return (to_add, to_del)
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def packages_get_locally_built_apks(packages, arch: Arch) -> List[Path]:
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"""
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Iterate over packages and if existing, get paths to locally built packages.
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This is used to force apk to upgrade packages to newer local versions, even
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if the pkgver and pkgrel did not change.
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:param packages: list of pkgnames
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:param arch: architecture that the locally built packages should have
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:returns: list of apk file paths that are valid inside the chroots, e.g.
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["/mnt/pmbootstrap/packages/x86_64/hello-world-1-r6.apk", ...]
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"""
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channel: str = pmb.config.pmaports.read_config()["channel"]
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ret: List[Path] = []
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for package in packages:
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data_repo = pmb.parse.apkindex.package(package, arch, False)
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if not data_repo:
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continue
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apk_file = f"{package}-{data_repo['version']}.apk"
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apk_path = get_context().config.work / "packages" / channel / arch / apk_file
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if not apk_path.exists():
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continue
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ret.append(apk_path)
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return ret
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def install_run_apk(to_add, to_add_local, to_del, chroot: Chroot):
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"""
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Run apk to add packages, and ensure only the desired packages get
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explicitly marked as installed.
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:param to_add: list of pkgnames to install, without their dependencies
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:param to_add_local: return of packages_get_locally_built_apks()
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:param to_del: list of pkgnames to be deleted, this should be set to
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conflicting dependencies in any of the packages to be
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installed or their dependencies (e.g. ["unl0kr"])
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:param chroot: the chroot suffix, e.g. "native" or "rootfs_qemu-amd64"
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"""
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context = get_context()
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# Sanitize packages: don't allow '--allow-untrusted' and other options
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# to be passed to apk!
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for package in to_add + [os.fspath(p) for p in to_add_local] + to_del:
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if package.startswith("-"):
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raise ValueError(f"Invalid package name: {package}")
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commands = [["add"] + to_add]
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# Use a virtual package to mark only the explicitly requested packages as
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# explicitly installed, not the ones in to_add_local
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if to_add_local:
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commands += [["add", "-u", "--virtual", ".pmbootstrap"] + to_add_local,
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["del", ".pmbootstrap"]]
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if to_del:
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commands += [["del"] + to_del]
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# For systemd we use a fork of apk-tools, to easily handle this
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# we expect apk.static to be installed in the native chroot (which
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# will be the systemd version if building for systemd) and run
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# it from there.
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# pmb.chroot.init(Chroot.native())
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# if chroot != Chroot.native():
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# pmb.chroot.init(chroot)
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apk_static = Chroot.native() / "sbin/apk.static"
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arch = chroot.arch
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apk_cache = get_context().config.work / f"cache_apk_{arch}"
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for (i, command) in enumerate(commands):
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# --no-interactive is a parameter to `add`, so it must be appended or apk
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# gets confused
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command += ["--no-interactive"]
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command = ["--root", chroot.path, "--arch", arch, "--cache-dir", apk_cache] + command
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# Ignore missing repos before initial build (bpo#137)
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if os.getenv("PMB_APK_FORCE_MISSING_REPOSITORIES") == "1":
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command = ["--force-missing-repositories"] + command
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if context.offline:
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command = ["--no-network"] + command
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if i == 0:
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pmb.helpers.apk.apk_with_progress([apk_static] + command)
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else:
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# Virtual package related commands don't actually install or remove
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# packages, but only mark the right ones as explicitly installed.
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# They finish up almost instantly, so don't display a progress bar.
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pmb.helpers.run.root([apk_static, "--no-progress"] + command)
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def install(packages, chroot: Chroot, build=True):
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"""
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Install packages from pmbootstrap's local package index or the pmOS/Alpine
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binary package mirrors. Iterate over all dependencies recursively, and
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build missing packages as necessary.
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:param packages: list of pkgnames to be installed
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:param suffix: the chroot suffix, e.g. "native" or "rootfs_qemu-amd64"
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:param build: automatically build the package, when it does not exist yet
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or needs to be updated, and it is inside pmaports. For the
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special case that all packages are expected to be in Alpine's
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repositories, set this to False for performance optimization.
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"""
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arch = chroot.arch
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context = get_context()
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if not packages:
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logging.verbose("pmb.chroot.apk.install called with empty packages list,"
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" ignoring")
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return
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# Initialize chroot
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check_min_version(chroot)
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installed_pkgs = pmb.chroot.user(["apk", "info", "-e"] + packages, chroot, output_return=True, check=False)
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if installed_pkgs is not None and installed_pkgs.strip().split("\n") == packages:
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logging.debug(f"({chroot}) all packages already installed")
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return
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packages_with_depends = pmb.parse.depends.recurse(packages, chroot)
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to_add, to_del = packages_split_to_add_del(packages_with_depends)
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if build and context.config.build_pkgs_on_install:
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for package in to_add:
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pmb.build.package(context, package, arch)
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to_add_local = packages_get_locally_built_apks(to_add, arch)
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to_add_no_deps, _ = packages_split_to_add_del(packages)
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logging.info(f"({chroot}) install {' '.join(to_add_no_deps)}")
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install_run_apk(to_add_no_deps, to_add_local, to_del, chroot)
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def installed(suffix: Chroot=Chroot.native()):
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"""
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Read the list of installed packages (which has almost the same format, as
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an APKINDEX, but with more keys).
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:returns: a dictionary with the following structure:
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{ "postmarketos-mkinitfs":
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{
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"pkgname": "postmarketos-mkinitfs"
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"version": "0.0.4-r10",
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"depends": ["busybox-extras", "lddtree", ...],
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"provides": ["mkinitfs=0.0.1"]
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}, ...
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}
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"""
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path = suffix / "lib/apk/db/installed"
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return pmb.parse.apkindex.parse(path, False)
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