forked from Mirror/pmbootstrap
f21c216a26
While at it, also remove unnecessary "#!/usr/bin/env python3" in files that only get imported, and adjust other empty/comment lines in the beginnings of the files for consistency. This makes files easier to read, and makes the pmbootstrap codebase more consistent with the build.postmarketos.org codebase.
258 lines
10 KiB
Python
258 lines
10 KiB
Python
# Copyright 2020 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import os
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import logging
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import shlex
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import pmb.chroot
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import pmb.config
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import pmb.helpers.pmaports
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import pmb.parse.apkindex
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import pmb.parse.arch
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import pmb.parse.depends
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import pmb.parse.version
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def update_repository_list(args, suffix="native", 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Update /etc/apk/repositories, if it is outdated (when the user changed the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 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 args.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 = args.work + "/chroot_" + suffix + "/etc/apk/repositories"
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lines_old = []
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if os.path.exists(path):
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# Read all old lines
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lines_old = []
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with open(path) 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(args, ["mkdir", "-p", os.path.dirname(path)])
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# Up to date: Save cache, return
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lines_new = pmb.helpers.repo.urls(args)
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if lines_old == lines_new:
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args.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("Failed to update: " + path)
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# Update the file
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logging.debug("(" + suffix + ") update /etc/apk/repositories")
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if os.path.exists(path):
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pmb.helpers.run.root(args, ["rm", path])
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for line in lines_new:
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pmb.helpers.run.root(args, ["sh", "-c", "echo " +
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shlex.quote(line) + " >> " + path])
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update_repository_list(args, suffix, True)
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def check_min_version(args, suffix="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 suffix in args.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 os.path.exists(args.work + "/chroot_" + suffix + "/sbin/apk"):
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logging.debug("NOTE: Skipped apk version check for chroot '" + suffix +
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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(args, suffix)["apk-tools"]["version"]
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version_min = pmb.config.apk_tools_static_min_version
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if pmb.parse.version.compare(version_installed, version_min) == -1:
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raise RuntimeError("You have an outdated version of the 'apk' package"
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" manager installed (your version: " + version_installed +
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", expected at least: " + version_min + "). Delete"
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" 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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args.cache["apk_min_version_checked"].append(suffix)
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def install_is_necessary(args, build, arch, package, packages_installed):
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"""
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This function optionally builds an out of date package, and checks if the
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version installed inside a chroot is up to date.
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:param build: Set to true to build the package, if the binary packages are
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out of date, and it is in the aports folder.
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:param packages_installed: Return value from installed().
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:returns: True if the package needs to be installed/updated, False otherwise.
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"""
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# Build package
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if build:
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pmb.build.package(args, package, arch)
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# No further checks when not installed
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if package not in packages_installed:
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return True
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# Make sure, that we really have a binary package
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data_repo = pmb.parse.apkindex.package(args, package, arch, False)
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if not data_repo:
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logging.warning("WARNING: Internal error in pmbootstrap," +
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" package '" + package + "' for " + arch +
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" has not been built yet, but it should have"
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" been. Rebuilding it with force. Please "
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" report this, if there is no ticket about this"
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" yet!")
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pmb.build.package(args, package, arch, True)
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return install_is_necessary(args, build, arch, package,
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packages_installed)
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# Compare the installed version vs. the version in the repos
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data_installed = packages_installed[package]
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compare = pmb.parse.version.compare(data_installed["version"],
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data_repo["version"])
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# a) Installed newer (should not happen normally)
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if compare == 1:
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logging.info("WARNING: " + arch + " package '" + package +
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"' installed version " + data_installed["version"] +
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" is newer, than the version in the repositories: " +
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data_repo["version"] +
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" See also: <https://postmarketos.org/warning-repo>")
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return False
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# b) Repo newer
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elif compare == -1:
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return True
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# c) Same version, look at last modified
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elif compare == 0:
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time_installed = float(data_installed["timestamp"])
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time_repo = float(data_repo["timestamp"])
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return time_repo > time_installed
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def replace_aports_packages_with_path(args, packages, suffix, arch):
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"""
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apk will only re-install packages with the same pkgname, pkgver and pkgrel,
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when you give it the absolute path to the package. This function replaces
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all packages, that were built locally, with the absolute path to the package.
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"""
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ret = []
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for package in packages:
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aport = pmb.helpers.pmaports.find(args, package, False)
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if aport:
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data_repo = pmb.parse.apkindex.package(args, package, arch, False)
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if not data_repo:
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raise RuntimeError(package + ": could not find binary"
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" package, although it should exist for"
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" sure at this point in the code."
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" Probably an APKBUILD subpackage parsing"
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" bug. Related: https://gitlab.com/"
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"postmarketOS/build.postmarketos.org/"
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"issues/61")
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apk_path = ("/mnt/pmbootstrap-packages/" + arch + "/" +
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package + "-" + data_repo["version"] + ".apk")
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if os.path.exists(args.work + "/chroot_" + suffix + apk_path):
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package = apk_path
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ret.append(package)
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return ret
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def install(args, packages, suffix="native", build=True):
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"""
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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 the pm-aports
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folder. Checking this is expensive - if you know, that all
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packages are provides by upstream repos, set this to False!
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"""
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# Initialize chroot
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check_min_version(args, suffix)
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pmb.chroot.init(args, suffix)
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# Add depends to packages
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arch = pmb.parse.arch.from_chroot_suffix(args, suffix)
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packages_with_depends = pmb.parse.depends.recurse(args, packages, suffix)
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# Filter outdated packages (build them if required)
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packages_installed = installed(args, suffix)
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packages_todo = []
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for package in packages_with_depends:
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if install_is_necessary(
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args, build, arch, package, packages_installed):
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packages_todo.append(package)
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if not len(packages_todo):
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return
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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 packages_todo:
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if package.startswith("-"):
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raise ValueError("Invalid package name: " + package)
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# Readable install message without dependencies
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message = "(" + suffix + ") install"
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for pkgname in packages:
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if pkgname not in packages_installed:
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message += " " + pkgname
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logging.info(message)
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# Local packages: Using the path instead of pkgname makes apk update
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# packages of the same version if the build date is different
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packages_todo = replace_aports_packages_with_path(args, packages_todo,
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suffix, arch)
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# Use a virtual package to mark only the explicitly requested packages as
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# explicitly installed, not their dependencies or specific paths (#1212)
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commands = [["add"] + packages]
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if packages != packages_todo:
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commands = [["add", "-u", "--virtual", ".pmbootstrap"] + packages_todo,
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["add"] + packages,
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["del", ".pmbootstrap"]]
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for command in commands:
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if args.offline:
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command = ["--no-network"] + command
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pmb.chroot.root(args, ["apk", "--no-progress"] + command, suffix)
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def upgrade(args, suffix="native"):
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"""
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Upgrade all packages installed in a chroot
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"""
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# Update APKINDEX files
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arch = pmb.parse.arch.from_chroot_suffix(args, suffix)
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pmb.helpers.repo.update(args, arch)
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# Rebuild and upgrade out-of-date packages
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packages = list(installed(args, suffix).keys())
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install(args, packages, suffix)
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def installed(args, suffix="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 = args.work + "/chroot_" + suffix + "/lib/apk/db/installed"
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return pmb.parse.apkindex.parse(args, path, False)
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