# Copyright 2023 Oliver Smith # SPDX-License-Identifier: GPL-3.0-or-later from typing import Dict, List, Sequence, Set from pmb.helpers import logging import pmb.chroot import pmb.chroot.apk from pmb.types import PmbArgs import pmb.helpers.pmaports import pmb.parse.apkindex import pmb.parse.arch from pmb.core import Chroot, get_context def package_from_aports(pkgname_depend): """ :returns: None when there is no aport, or a dict with the keys pkgname, depends, version. The version is the combined pkgver and pkgrel. """ # Get the aport aport = pmb.helpers.pmaports.find_optional(pkgname_depend) if not aport: return None # Parse its version apkbuild = pmb.parse.apkbuild(aport / "APKBUILD") pkgname = apkbuild["pkgname"] version = apkbuild["pkgver"] + "-r" + apkbuild["pkgrel"] # Return the dict logging.verbose( f"{pkgname_depend}: provided by: {pkgname}-{version} in {aport}") return {"pkgname": pkgname, "depends": apkbuild["depends"], "version": version} def package_provider(pkgname, pkgnames_install, suffix: Chroot=Chroot.native()): """ :param pkgnames_install: packages to be installed :returns: a block from the apkindex: {"pkgname": "...", ...} or None (no provider found) """ # Get all providers arch = suffix.arch providers = pmb.parse.apkindex.providers(pkgname, arch, False) # 0. No provider if len(providers) == 0: return None # 1. Only one provider logging.verbose(f"{pkgname}: provided by: {', '.join(providers)}") if len(providers) == 1: return list(providers.values())[0] # 2. Provider with the same package name if pkgname in providers: logging.verbose(f"{pkgname}: choosing package of the same name as " "provider") return providers[pkgname] # 3. Pick a package that will be installed anyway for provider_pkgname, provider in providers.items(): if provider_pkgname in pkgnames_install: logging.verbose(f"{pkgname}: choosing provider '{provider_pkgname}" "', because it will be installed anyway") return provider # 4. Pick a package that is already installed installed = pmb.chroot.apk.installed(suffix) for provider_pkgname, provider in providers.items(): if provider_pkgname in installed: logging.verbose(f"{pkgname}: choosing provider '{provider_pkgname}" f"', because it is installed in the '{suffix}' " "chroot already") return provider # 5. Pick an explicitly selected provider provider_pkgname = get_context().config.providers.get(pkgname, "") if provider_pkgname in providers: logging.verbose(f"{pkgname}: choosing provider '{provider_pkgname}', " "because it was explicitly selected.") return providers[provider_pkgname] # 6. Pick the provider(s) with the highest priority providers = pmb.parse.apkindex.provider_highest_priority( providers, pkgname) if len(providers) == 1: return list(providers.values())[0] # 7. Pick the shortest provider. (Note: Normally apk would fail here!) return pmb.parse.apkindex.provider_shortest(providers, pkgname) def package_from_index(pkgname_depend, pkgnames_install, package_aport, suffix: Chroot=Chroot.native()): """ :returns: None when there is no aport and no binary package, or a dict with the keys pkgname, depends, version from either the aport or the binary package provider. """ # No binary package provider = package_provider(pkgname_depend, pkgnames_install, suffix) if not provider: return package_aport # Binary package outdated if (package_aport and pmb.parse.version.compare(package_aport["version"], provider["version"]) == 1): logging.verbose(pkgname_depend + ": binary package is outdated") return package_aport # Binary up to date (#893: overrides aport, so we have sonames in depends) if package_aport: logging.verbose(pkgname_depend + ": binary package is" " up to date, using binary dependencies" " instead of the ones from the aport") return provider def recurse(pkgnames, suffix: Chroot=Chroot.native()) -> Sequence[str]: """ Find all dependencies of the given pkgnames. :param suffix: the chroot suffix to resolve dependencies for. If a package has multiple providers, we look at the installed packages in the chroot to make a decision (see package_provider()). :returns: list of pkgnames: consists of the initial pkgnames plus all depends. Dependencies explicitly marked as conflicting are prefixed with !. """ logging.debug(f"({suffix}) calculate depends of {', '.join(pkgnames)} " "(pmbootstrap -v for details)") # Iterate over todo-list until is is empty todo = list(pkgnames) required_by: Dict[str, Set[str]] = {} ret: List[str] = [] while len(todo): # Skip already passed entries pkgname_depend = todo.pop(0) if pkgname_depend in ret: continue # Check if the dependency is explicitly marked as conflicting is_conflict = pkgname_depend.startswith("!") pkgname_depend = pkgname_depend.lstrip("!") # Get depends and pkgname from aports pkgnames_install = list(ret) + todo package = package_from_aports(pkgname_depend) package = package_from_index(pkgname_depend, pkgnames_install, package, suffix) # Nothing found if not package: if is_conflict: # This package was probably dropped from the repos, so we don't # care if it doesn't exist since it's a conflicting depend that # wouldn't be installed anyways. continue source = 'world' if pkgname_depend in required_by: source = ', '.join(required_by[pkgname_depend]) raise RuntimeError(f"Could not find dependency '{pkgname_depend}' " "in checked out pmaports dir or any APKINDEX. " f"Required by '{source}'. See: " "https://postmarketos.org/depends") # Determine pkgname pkgname = package["pkgname"] if is_conflict: pkgname = f"!{pkgname}" # Append to todo/ret (unless it is a duplicate) if pkgname in ret: logging.verbose(f"{pkgname}: already found") else: if not is_conflict: depends = package["depends"] logging.verbose(f"{pkgname}: depends on: {','.join(depends)}") if depends: todo += depends for dep in depends: if dep not in required_by: required_by[dep] = set() required_by[dep].add(pkgname_depend) ret.append(pkgname) return ret