tree demo

src/ahriman/application/handlers/tree_migrate.py

@@ -21,6 +21,7 @@ import argparse
 
 from ahriman.application.handlers.handler import Handler, SubParserAction
 from ahriman.core.configuration import Configuration
+from ahriman.core.utils import walk
 from ahriman.models.repository_id import RepositoryId
 from ahriman.models.repository_paths import RepositoryPaths
 
@@ -49,6 +50,7 @@ class TreeMigrate(Handler):
         target_tree.tree_create()
         # perform migration
         TreeMigrate.tree_move(current_tree, target_tree)
+        TreeMigrate.fix_symlinks(current_tree)
 
     @staticmethod
     def _set_service_tree_migrate_parser(root: SubParserAction) -> argparse.ArgumentParser:
@@ -66,6 +68,22 @@ class TreeMigrate(Handler):
         parser.set_defaults(lock=None, quiet=True, report=False)
         return parser
 
+    @staticmethod
+    def fix_symlinks(paths: RepositoryPaths) -> None:
+        """
+        fix packages archives symlinks
+
+        Args:
+            paths(RepositoryPaths): new repository paths
+        """
+        archives = {path.name: path for path in walk(paths.archive)}
+        for symlink in walk(paths.repository):
+            if symlink.exists():  # no need to check for symlinks as we are just walked throught the tree
+                continue
+            if (source_archive := archives.get(symlink.name)) is not None:
+                symlink.unlink()
+                symlink.symlink_to(source_archive.relative_to(symlink.parent, walk_up=True))
+
     @staticmethod
     def tree_move(from_tree: RepositoryPaths, to_tree: RepositoryPaths) -> None:
         """
@@ -77,6 +95,7 @@ class TreeMigrate(Handler):
         """
         # we don't care about devtools chroot
         for attribute in (
+            RepositoryPaths.archive,
             RepositoryPaths.packages,
             RepositoryPaths.pacman,
             RepositoryPaths.repository,

src/ahriman/core/alpm/repo.py

@@ -31,20 +31,21 @@ class Repo(LazyLogging):
 
     Attributes:
         name(str): repository name
-        paths(RepositoryPaths): repository paths instance
+        root(Path): repository root
         sign_args(list[str]): additional args which have to be used to sign repository archive
         uid(int): uid of the repository owner user
     """
 
-    def __init__(self, name: str, paths: RepositoryPaths, sign_args: list[str]) -> None:
+    def __init__(self, name: str, paths: RepositoryPaths, sign_args: list[str], root: Path | None = None) -> None:
         """
         Args:
             name(str): repository name
             paths(RepositoryPaths): repository paths instance
             sign_args(list[str]): additional args which have to be used to sign repository archive
+            root(Path | None, optional): repository root. If none set, the default will be used (Default value = None)
         """
         self.name = name
-        self.paths = paths
+        self.root = root or paths.repository
         self.uid, _ = paths.root_owner
         self.sign_args = sign_args
 
@@ -56,28 +57,36 @@ class Repo(LazyLogging):
         Returns:
             Path: path to repository database
         """
-        return self.paths.repository / f"{self.name}.db.tar.gz"
+        return self.root / f"{self.name}.db.tar.gz"
 
-    def add(self, path: Path) -> None:
+    def add(self, path: Path, remove: bool = True) -> None:
         """
         add new package to repository
 
         Args:
             path(Path): path to archive to add
+            remove(bool, optional): whether to remove old packages or not (Default value = True)
         """
+        command = ["repo-add", *self.sign_args]
+        if remove:
+            command.extend(["--remove"])
+        command.extend([str(self.repo_path), str(path)])
+
+        # add to repository
         check_output(
-            "repo-add", *self.sign_args, "-R", str(self.repo_path), str(path),
+            *command,
             exception=BuildError.from_process(path.name),
-            cwd=self.paths.repository,
+            cwd=self.root,
             logger=self.logger,
-            user=self.uid)
+            user=self.uid,
+        )
 
     def init(self) -> None:
         """
         create empty repository database. It just calls add with empty arguments
         """
         check_output("repo-add", *self.sign_args, str(self.repo_path),
-                     cwd=self.paths.repository, logger=self.logger, user=self.uid)
+                     cwd=self.root, logger=self.logger, user=self.uid)
 
     def remove(self, package: str, filename: Path) -> None:
         """
@@ -88,13 +97,14 @@ class Repo(LazyLogging):
             filename(Path): package filename to remove
         """
         # remove package and signature (if any) from filesystem
-        for full_path in self.paths.repository.glob(f"{filename}*"):
+        for full_path in self.root.glob(f"**/{filename}*"):
             full_path.unlink()
 
         # remove package from registry
         check_output(
             "repo-remove", *self.sign_args, str(self.repo_path), package,
             exception=BuildError.from_process(package),
-            cwd=self.paths.repository,
+            cwd=self.root,
             logger=self.logger,
-            user=self.uid)
+            user=self.uid,
+        )

src/ahriman/core/database/migrations/m016_archive.py

@@ -0,0 +1,84 @@
+#
+# Copyright (c) 2021-2025 ahriman team.
+#
+# This file is part of ahriman
+# (see https://github.com/arcan1s/ahriman).
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+import argparse
+
+from dataclasses import replace
+from sqlite3 import Connection
+
+from ahriman.application.handlers.handler import Handler
+from ahriman.core.alpm.pacman import Pacman
+from ahriman.core.configuration import Configuration
+from ahriman.models.package import Package
+from ahriman.models.pacman_synchronization import PacmanSynchronization
+from ahriman.models.repository_paths import RepositoryPaths
+
+
+__all__ = ["migrate_data"]
+
+
+def migrate_data(connection: Connection, configuration: Configuration) -> None:
+    """
+    perform data migration
+
+    Args:
+        connection(Connection): database connection
+        configuration(Configuration): configuration instance
+    """
+    del connection
+
+    config_path, _ = configuration.check_loaded()
+    args = argparse.Namespace(configuration=config_path, repository_id=None, repository=None, architecture=None)
+
+    for repository_id in Handler.repositories_extract(args):
+        paths = replace(configuration.repository_paths, repository_id=repository_id)
+        pacman = Pacman(repository_id, configuration, refresh_database=PacmanSynchronization.Disabled)
+
+        # create archive directory if required
+        if not paths.archive.is_dir():
+            with paths.preserve_owner(paths.root / "archive"):
+                paths.archive.mkdir(mode=0o755, parents=True)
+
+        move_packages(paths, pacman)
+
+
+def move_packages(repository_paths: RepositoryPaths, pacman: Pacman) -> None:
+    """
+    move packages from repository to archive and create symbolic links
+
+    Args:
+        repository_paths(RepositoryPaths): repository paths instance
+        pacman(Pacman): alpm wrapper instance
+    """
+    for source in repository_paths.repository.iterdir():
+        if not source.is_file(follow_symlinks=False):
+            continue  # skip symbolic links if any
+
+        filename = source.name
+        if filename.startswith(".") or ".pkg." not in filename:
+            # we don't use package_like method here, because it also filters out signatures
+            continue
+        package = Package.from_archive(source, pacman)
+
+        # move package to the archive directory
+        target = repository_paths.archive_for(package.base) / filename
+        source.rename(target)
+
+        # create symlink to the archive
+        source.symlink_to(target.relative_to(source.parent, walk_up=True))

src/ahriman/core/repository/executor.py

@@ -17,7 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
-import shutil
+import shutil  # shutil.move is used here to ensure cross fs file movement
 
 from collections.abc import Iterable
 from pathlib import Path
@@ -41,6 +41,101 @@ class Executor(PackageInfo, Cleaner):
     trait for common repository update processes
     """
 
+    def _archive_remove(self, description: PackageDescription, package_base: str) -> None:
+        """
+        rename package archive removing special symbols
+
+        Args:
+            description(PackageDescription): package description
+            package_base(str): package base name
+        """
+        if description.filename is None:
+            self.logger.warning("received empty package name for base %s", package_base)
+            return  # suppress type checking, it never can be none actually
+
+        if (safe := safe_filename(description.filename)) != description.filename:
+            (self.paths.packages / description.filename).rename(self.paths.packages / safe)
+            description.filename = safe
+
+    def _package_build(self, package: Package, path: Path, packager: str | None,
+                       local_version: str | None) -> str | None:
+        """
+        build single package
+
+        Args:
+            package(Package): package to build
+            path(Path): path to directory with package files
+            packager(str | None): packager identifier used for this package
+            local_version(str | None): local version of the package
+
+        Returns:
+            str | None: current commit sha if available
+        """
+        self.reporter.set_building(package.base)
+
+        task = Task(package, self.configuration, self.architecture, self.paths)
+        patches = self.reporter.package_patches_get(package.base, None)
+        commit_sha = task.init(path, patches, local_version)
+        built = task.build(path, PACKAGER=packager)
+
+        package.with_packages(built, self.pacman)
+        for src in built:
+            dst = self.paths.packages / src.name
+            shutil.move(src, dst)
+
+        return commit_sha
+
+    def _package_remove(self, package_name: str, path: Path) -> None:
+        """
+        remove single package from repository
+
+        Args:
+            package_name(str): package name
+            path(Path): path to package archive
+        """
+        try:
+            self.repo.remove(package_name, path)
+        except Exception:
+            self.logger.exception("could not remove %s", package_name)
+
+    def _package_remove_base(self, package_base: str) -> None:
+        """
+        remove package base from repository
+
+        Args:
+            package_base(str): package base name:
+        """
+        try:
+            with self.in_event(package_base, EventType.PackageRemoved):
+                self.reporter.package_remove(package_base)
+        except Exception:
+            self.logger.exception("could not remove base %s", package_base)
+
+    def _package_update(self, filename: str | None, package_base: str, packager_key: str | None) -> None:
+        """
+        update built package in repository database
+
+        Args:
+            filename(str | None): archive filename
+            package_base(str): package base name
+            packager_key(str | None): packager key identifier
+        """
+        if filename is None:
+            self.logger.warning("received empty package name for base %s", package_base)
+            return  # suppress type checking, it never can be none actually
+
+        # in theory, it might be NOT packages directory, but we suppose it is
+        full_path = self.paths.packages / filename
+        files = self.sign.process_sign_package(full_path, packager_key)
+
+        for src in files:
+            dst = self.paths.archive_for(package_base) / src.name
+            src.rename(dst)  # move package to archive directory
+            if not (symlink := self.paths.repository / dst.name).exists():
+                symlink.symlink_to(dst.relative_to(symlink.parent, walk_up=True))  # create link to archive
+
+        self.repo.add(self.paths.repository / filename)
+
     def process_build(self, updates: Iterable[Package], packagers: Packagers | None = None, *,
                       bump_pkgrel: bool = False) -> Result:
         """
@@ -55,21 +150,6 @@ class Executor(PackageInfo, Cleaner):
         Returns:
             Result: build result
         """
-        def build_single(package: Package, local_path: Path, packager_id: str | None) -> str | None:
-            self.reporter.set_building(package.base)
-            task = Task(package, self.configuration, self.architecture, self.paths)
-            local_version = local_versions.get(package.base) if bump_pkgrel else None
-            patches = self.reporter.package_patches_get(package.base, None)
-            commit_sha = task.init(local_path, patches, local_version)
-            built = task.build(local_path, PACKAGER=packager_id)
-
-            package.with_packages(built, self.pacman)
-            for src in built:
-                dst = self.paths.packages / src.name
-                shutil.move(src, dst)
-
-            return commit_sha
-
         packagers = packagers or Packagers()
         local_versions = {package.base: package.version for package in self.packages()}
 
@@ -80,16 +160,21 @@ class Executor(PackageInfo, Cleaner):
                 try:
                     with self.in_event(single.base, EventType.PackageUpdated, failure=EventType.PackageUpdateFailed):
                         packager = self.packager(packagers, single.base)
-                        last_commit_sha = build_single(single, Path(dir_name), packager.packager_id)
+                        local_version = local_versions.get(single.base) if bump_pkgrel else None
+                        commit_sha = self._package_build(single, Path(dir_name), packager.packager_id, local_version)
+
                         # update commit hash for changes keeping current diff if there is any
                         changes = self.reporter.package_changes_get(single.base)
-                        self.reporter.package_changes_update(single.base, Changes(last_commit_sha, changes.changes))
+                        self.reporter.package_changes_update(single.base, Changes(commit_sha, changes.changes))
+
                         # update dependencies list
                         package_archive = PackageArchive(self.paths.build_root, single, self.pacman, self.scan_paths)
                         dependencies = package_archive.depends_on()
                         self.reporter.package_dependencies_update(single.base, dependencies)
+
                         # update result set
                         result.add_updated(single)
+
                 except Exception:
                     self.reporter.set_failed(single.base)
                     result.add_failed(single)
@@ -107,19 +192,6 @@ class Executor(PackageInfo, Cleaner):
         Returns:
             Result: remove result
         """
-        def remove_base(package_base: str) -> None:
-            try:
-                with self.in_event(package_base, EventType.PackageRemoved):
-                    self.reporter.package_remove(package_base)
-            except Exception:
-                self.logger.exception("could not remove base %s", package_base)
-
-        def remove_package(package: str, archive_path: Path) -> None:
-            try:
-                self.repo.remove(package, archive_path)  # remove the package itself
-            except Exception:
-                self.logger.exception("could not remove %s", package)
-
         packages_to_remove: dict[str, Path] = {}
         bases_to_remove: list[str] = []
 
@@ -136,6 +208,7 @@ class Executor(PackageInfo, Cleaner):
                 })
                 bases_to_remove.append(local.base)
                 result.add_removed(local)
+
             elif requested.intersection(local.packages.keys()):
                 packages_to_remove.update({
                     package: properties.filepath
@@ -152,11 +225,11 @@ class Executor(PackageInfo, Cleaner):
 
         # remove packages from repository files
         for package, filename in packages_to_remove.items():
-            remove_package(package, filename)
+            self._package_remove(package, filename)
 
         # remove bases from registered
         for package in bases_to_remove:
-            remove_base(package)
+            self._package_remove_base(package)
 
         return result
 
@@ -172,27 +245,6 @@ class Executor(PackageInfo, Cleaner):
         Returns:
             Result: path to repository database
         """
-        def rename(archive: PackageDescription, package_base: str) -> None:
-            if archive.filename is None:
-                self.logger.warning("received empty package name for base %s", package_base)
-                return  # suppress type checking, it never can be none actually
-            if (safe := safe_filename(archive.filename)) != archive.filename:
-                shutil.move(self.paths.packages / archive.filename, self.paths.packages / safe)
-                archive.filename = safe
-
-        def update_single(name: str | None, package_base: str, packager_key: str | None) -> None:
-            if name is None:
-                self.logger.warning("received empty package name for base %s", package_base)
-                return  # suppress type checking, it never can be none actually
-            # in theory, it might be NOT packages directory, but we suppose it is
-            full_path = self.paths.packages / name
-            files = self.sign.process_sign_package(full_path, packager_key)
-            for src in files:
-                dst = self.paths.repository / safe_filename(src.name)
-                shutil.move(src, dst)
-            package_path = self.paths.repository / safe_filename(name)
-            self.repo.add(package_path)
-
         current_packages = {package.base: package for package in self.packages()}
         local_versions = {package_base: package.version for package_base, package in current_packages.items()}
 
@@ -207,8 +259,8 @@ class Executor(PackageInfo, Cleaner):
                     packager = self.packager(packagers, local.base)
 
                     for description in local.packages.values():
-                        rename(description, local.base)
-                        update_single(description.filename, local.base, packager.key)
+                        self._archive_remove(description, local.base)
+                        self._package_update(description.filename, local.base, packager.key)
                     self.reporter.set_success(local)
                     result.add_updated(local)
 
@@ -216,12 +268,13 @@ class Executor(PackageInfo, Cleaner):
                     if local.base in current_packages:
                         current_package_archives = set(current_packages[local.base].packages.keys())
                     removed_packages.extend(current_package_archives.difference(local.packages))
+
                 except Exception:
                     self.reporter.set_failed(local.base)
                     result.add_failed(local)
                     self.logger.exception("could not process %s", local.base)
-        self.clear_packages()
 
+        self.clear_packages()
         self.process_remove(removed_packages)
 
         return result

src/ahriman/models/repository_paths.py

@@ -85,6 +85,16 @@ class RepositoryPaths(LazyLogging):
                 return Path(self.repository_id.architecture)  # legacy tree suffix
         return Path(self.repository_id.name) / self.repository_id.architecture
 
+    @property
+    def archive(self) -> Path:
+        """
+        archive directory root
+
+        Returns:
+            Path: archive directory root
+        """
+        return self.root / "archive" / self._suffix
+
     @property
     def build_root(self) -> Path:
         """
@@ -249,6 +259,23 @@ class RepositoryPaths(LazyLogging):
             set_owner(path)
             path = path.parent
 
+    def archive_for(self, package_base: str) -> Path:
+        """
+        get path to archive specified search criteria
+
+        Args:
+            package_base(str): package base name
+
+        Returns:
+            Path: path to archive directory for package base
+        """
+        directory = self.archive / "packages" / package_base[0] / package_base
+        if not directory.is_dir():  # create if not exists
+            with self.preserve_owner(self.archive):
+                directory.mkdir(mode=0o755, parents=True)
+
+        return directory
+
     def cache_for(self, package_base: str) -> Path:
         """
         get path to cached PKGBUILD and package sources for the package base
@@ -320,6 +347,7 @@ class RepositoryPaths(LazyLogging):
 
         with self.preserve_owner():
             for directory in (
+                    self.archive,
                     self.cache,
                     self.chroot,
                     self.packages,