forked from Mirror/pmbootstrap
228 lines
7.8 KiB
Python
228 lines
7.8 KiB
Python
# Copyright 2023 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import configparser
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from pathlib import Path
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from typing import List, Optional
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from pmb.core.pkgrepo import pkgrepo_default_path, pkgrepo_paths, pkgrepo_relative_path
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from pmb.helpers import logging
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import os
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import sys
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import pmb.config
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from pmb.meta import Cache
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from pmb.types import PmbArgs
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import pmb.helpers.git
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import pmb.helpers.pmaports
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import pmb.parse.version
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def clone():
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logging.info("Setting up the native chroot and cloning the package build"
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" recipes (pmaports)...")
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# Set up the native chroot and clone pmaports
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pmb.helpers.git.clone("pmaports")
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def check_version_pmaports(real):
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# Compare versions
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min = pmb.config.pmaports_min_version
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if pmb.parse.version.compare(real, min) >= 0:
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return
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# Outated error
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logging.info("NOTE: your pmaports folder has version " + real + ", but" +
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" version " + min + " is required.")
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raise RuntimeError("Run 'pmbootstrap pull' to update your pmaports.")
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def check_version_pmbootstrap(min_ver):
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# Compare versions
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real = pmb.__version__
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if pmb.parse.version.compare(real, min_ver) >= 0:
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return
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# Show versions
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logging.info(f"NOTE: you are using pmbootstrap version {real}, but"
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f" version {min_ver} is required.")
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# Error for git clone
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pmb_src = pmb.config.pmb_src
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if os.path.exists(pmb_src / ".git"):
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raise RuntimeError("Please update your local pmbootstrap repository."
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f" Usually with: 'git -C \"{pmb_src}\" pull'")
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# Error for package manager installation
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raise RuntimeError("Please update your pmbootstrap version (with your"
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" distribution's package manager, or with pip, "
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" depending on how you have installed it). If that is"
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" not possible, consider cloning the latest version"
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" of pmbootstrap from git.")
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@Cache()
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def read_config_repos():
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""" Read the sections starting with "repo:" from pmaports.cfg. """
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cfg = configparser.ConfigParser()
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cfg.read(f"{pkgrepo_default_path()}/pmaports.cfg")
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ret = {}
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for section in cfg.keys():
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if not section.startswith("repo:"):
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continue
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repo = section.split("repo:", 1)[1]
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ret[repo] = cfg[section]
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return ret
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@Cache("aports")
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def read_config(aports: Optional[Path] = None):
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"""Read and verify pmaports.cfg. If aports is not
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specified and systemd is enabled, the returned channel
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will be the systemd one (e.g. systemd-edge instead of edge)
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since we'll use the first pkgrepo which is systemd."""
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if aports is None:
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aports = pkgrepo_paths()[0]
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systemd = aports.name == "systemd"
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# extra-repos don't have a pmaports.cfg
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# so jump up the main aports dir
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if "extra-repos" in aports.parts:
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aports = pkgrepo_relative_path(aports)[0]
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# Migration message
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if not os.path.exists(aports):
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logging.error(f"ERROR: pmaports dir not found: {aports}")
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logging.error("Did you run 'pmbootstrap init'?")
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sys.exit(1)
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# Require the config
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path_cfg = aports / "pmaports.cfg"
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if not os.path.exists(path_cfg):
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raise RuntimeError("Invalid pmaports repository, could not find the"
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f" config: {path_cfg}")
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# Load the config
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cfg = configparser.ConfigParser()
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cfg.read(path_cfg)
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ret = cfg["pmaports"]
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# Version checks
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check_version_pmaports(ret["version"])
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check_version_pmbootstrap(ret["pmbootstrap_min_version"])
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# Translate legacy channel names
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ret["channel"] = pmb.helpers.pmaports.get_channel_new(ret["channel"])
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if systemd:
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ret["channel"] = "systemd-" + ret["channel"]
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return ret
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def all_channels() -> List[str]:
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"""Get a list of all channels for all pkgrepos."""
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ret = set()
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for repo in pkgrepo_paths():
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ret.add(read_config(repo)["channel"])
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logging.verbose(f"all_chanels: {ret}")
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return list(ret)
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def read_config_channel():
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"""Get the properties of the currently active channel in pmaports.git.
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As specified in channels.cfg (https://postmarketos.org/channels.cfg).
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:returns: {"description: ...,
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"branch_pmaports": ...,
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"branch_aports": ...,
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"mirrordir_alpine": ...}
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"""
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aports = pkgrepo_default_path()
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channel = read_config(aports)["channel"]
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channels_cfg = pmb.helpers.git.parse_channels_cfg(aports)
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if channel in channels_cfg["channels"]:
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return channels_cfg["channels"][channel]
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# Channel not in channels.cfg, try to be helpful
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branch = pmb.helpers.git.rev_parse(aports,
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extra_args=["--abbrev-ref"])
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branches_official = pmb.helpers.git.get_branches_official(aports)
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branches_official = ", ".join(branches_official)
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remote = pmb.helpers.git.get_upstream_remote(aports)
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logging.info("NOTE: fix the error by rebasing or cherry picking relevant"
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" commits from this branch onto a branch that is on a"
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f" supported channel: {branches_official}")
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logging.info("NOTE: as workaround, you may pass --config-channels with a"
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" custom channels.cfg. Reference:"
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" https://postmarketos.org/channels.cfg")
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raise RuntimeError(f"Current branch '{branch}' of pmaports.git is on"
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f" channel '{channel}', but this channel was not"
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f" found in channels.cfg (of {remote}/master"
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" branch). Looks like a very old branch.")
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def init():
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if not os.path.exists(pkgrepo_default_path()):
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clone()
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read_config()
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def switch_to_channel_branch(channel_new):
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"""Checkout the channel's branch in pmaports.git.
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:channel_new: channel name (e.g. "edge", "v21.03")
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:returns: True if another branch was checked out, False otherwise
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"""
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# Check current pmaports branch channel
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channel_current = read_config()["channel"]
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if channel_current == channel_new:
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return False
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aports = pkgrepo_default_path()
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# List current and new branches/channels
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channels_cfg = pmb.helpers.git.parse_channels_cfg(aports)
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branch_new = channels_cfg["channels"][channel_new]["branch_pmaports"]
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branch_current = pmb.helpers.git.rev_parse(aports,
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extra_args=["--abbrev-ref"])
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logging.info(f"Currently checked out branch '{branch_current}' of"
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f" pmaports.git is on channel '{channel_current}'.")
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logging.info(f"Switching to branch '{branch_new}' on channel"
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f" '{channel_new}'...")
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# Make sure we don't have mounts related to the old channel
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pmb.chroot.shutdown()
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# Attempt to switch branch (git gives a nice error message, mentioning
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# which files need to be committed/stashed, so just pass it through)
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if pmb.helpers.run.user(["git", "checkout", branch_new],
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aports, "interactive", check=False):
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raise RuntimeError("Failed to switch branch. Go to your pmaports and"
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" fix what git complained about, then try again: "
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f"{aports}")
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# Verify pmaports.cfg on new branch
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read_config()
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return True
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def install_githooks():
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aports = pkgrepo_default_path()
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hooks_dir = aports / ".githooks"
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if not hooks_dir.exists():
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logging.info("No .githooks dir found")
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return
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for h in os.listdir(hooks_dir):
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src = os.path.join(hooks_dir, h)
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# Use git default hooks dir so users can ignore our hooks
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# if they dislike them by setting "core.hooksPath" git config
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dst = aports / ".git/hooks" / h
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if pmb.helpers.run.user(["cp", src, dst], check=False):
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logging.warning(f"WARNING: Copying git hook failed: {dst}")
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