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pmbootstrap/pmb/config/pmaports.py
Oliver Smith 278dfced61
Replace pmaports channels stable, stable-next (MR 2032)
Translate the pmaports channels "stable" to "v20.05" and "stable-next"
to "v21.03", so these have the same channel name as the pmaports.git
branch name.

The original plan was to switch the "stable" channel from the "v20.05"
branch to the "v21.03" branch when the release is done. However, now
that we are close to that, I'm realizing that this would not be useful.
It would lead to conflicts in the dir with locally built packages
(default: ~/.local/var/pmbootstrap/packages/$CHANNEL). And it would make
it awkward to go back to a previous branch (we may name it old-stable
for the time being, but what after that, old-old-stable?).
2021-03-18 18:58:13 +01:00

193 lines
7.4 KiB
Python

# Copyright 2021 Oliver Smith
# SPDX-License-Identifier: GPL-3.0-or-later
import configparser
import logging
import os
import pmb.config
import pmb.helpers.git
import pmb.helpers.pmaports
def check_legacy_folder():
# Existing pmbootstrap/aports must be a symlink
link = pmb.config.pmb_src + "/aports"
if os.path.exists(link) and not os.path.islink(link):
raise RuntimeError("The path '" + link + "' should be a"
" symlink pointing to the new pmaports"
" repository, which was split from the"
" pmbootstrap repository (#383). Consider"
" making a backup of that folder, then delete"
" it and run 'pmbootstrap init' again to let"
" pmbootstrap clone the pmaports repository and"
" set up the symlink.")
def clone(args):
logging.info("Setting up the native chroot and cloning the package build"
" recipes (pmaports)...")
# Set up the native chroot and clone pmaports
pmb.helpers.git.clone(args, "pmaports")
def symlink(args):
# Create the symlink
# This won't work when pmbootstrap was installed system wide, but that's
# okay since the symlink is only intended to make the migration to the
# pmaports repository easier.
link = pmb.config.pmb_src + "/aports"
try:
os.symlink(args.aports, link)
logging.info("NOTE: pmaports path: " + link)
except:
logging.info("NOTE: pmaports path: " + args.aports)
def check_version_pmaports(real):
# Compare versions
min = pmb.config.pmaports_min_version
if pmb.parse.version.compare(real, min) >= 0:
return
# Outated error
logging.info("NOTE: your pmaports folder has version " + real + ", but" +
" version " + min + " is required.")
raise RuntimeError("Run 'pmbootstrap pull' to update your pmaports.")
def check_version_pmbootstrap(min):
# Compare versions
real = pmb.config.version
if pmb.parse.version.compare(real, min) >= 0:
return
# Show versions
logging.info("NOTE: you are using pmbootstrap version " + real + ", but" +
" version " + min + " is required.")
# Error for git clone
pmb_src = pmb.config.pmb_src
if os.path.exists(pmb_src + "/.git"):
raise RuntimeError("Please update your local pmbootstrap repository."
" Usually with: 'git -C \"" + pmb_src + "\" pull'")
# Error for package manager installation
raise RuntimeError("Please update your pmbootstrap version (with your"
" distribution's package manager, or with pip, "
" depending on how you have installed it). If that is"
" not possible, consider cloning the latest version"
" of pmbootstrap from git.")
def read_config(args):
""" Read and verify pmaports.cfg. """
# Try cache first
cache_key = "pmb.config.pmaports.read_config"
if args.cache[cache_key]:
return args.cache[cache_key]
# Migration message
if not os.path.exists(args.aports):
raise RuntimeError("We have split the aports repository from the"
" pmbootstrap repository (#383). Please run"
" 'pmbootstrap init' again to clone it.")
# Require the config
path_cfg = args.aports + "/pmaports.cfg"
if not os.path.exists(path_cfg):
raise RuntimeError("Invalid pmaports repository, could not find the"
" config: " + path_cfg)
# Load the config
cfg = configparser.ConfigParser()
cfg.read(path_cfg)
ret = cfg["pmaports"]
# Version checks
check_version_pmaports(ret["version"])
check_version_pmbootstrap(ret["pmbootstrap_min_version"])
# Translate legacy channel names
ret["channel"] = pmb.helpers.pmaports.get_channel_new(ret["channel"])
# Cache and return
args.cache[cache_key] = ret
return ret
def read_config_channel(args):
""" Get the properties of the currently active channel in pmaports.git,
as specified in channels.cfg (https://postmarketos.org/channels.cfg).
:returns: {"description: ...,
"branch_pmaports": ...,
"branch_aports": ...,
"mirrordir_alpine": ...} """
channel = read_config(args)["channel"]
channels_cfg = pmb.helpers.git.parse_channels_cfg(args)
if channel in channels_cfg["channels"]:
return channels_cfg["channels"][channel]
# Channel not in channels.cfg, try to be helpful
branch = pmb.helpers.git.rev_parse(args, args.aports,
extra_args=["--abbrev-ref"])
branches_official = pmb.helpers.git.get_branches_official(args, "pmaports")
branches_official = ", ".join(branches_official)
remote = pmb.helpers.git.get_upstream_remote(args, "pmaports")
logging.info("NOTE: fix the error by rebasing or cherry picking relevant"
" commits from this branch onto a branch that is on a"
f" supported channel: {branches_official}")
logging.info("NOTE: as workaround, you may pass --config-channels with a"
" custom channels.cfg. Reference:"
" https://postmarketos.org/channels.cfg")
raise RuntimeError(f"Current branch '{branch}' of pmaports.git is on"
f" channel '{channel}', but this channel was not"
f" found in channels.cfg (of {remote}/master"
" branch). Looks like a very old branch.")
def init(args):
check_legacy_folder()
if not os.path.exists(args.aports):
clone(args)
symlink(args)
read_config(args)
def switch_to_channel_branch(args, channel_new):
""" Checkout the channel's branch in pmaports.git.
:channel_new: channel name (e.g. "edge", "v21.03")
:returns: True if another branch was checked out, False otherwise """
# Check current pmaports branch channel
channel_current = read_config(args)["channel"]
if channel_current == channel_new:
return False
# List current and new branches/channels
channels_cfg = pmb.helpers.git.parse_channels_cfg(args)
branch_new = channels_cfg["channels"][channel_new]["branch_pmaports"]
branch_current = pmb.helpers.git.rev_parse(args, args.aports,
extra_args=["--abbrev-ref"])
logging.info(f"Currently checked out branch '{branch_current}' of"
f" pmaports.git is on channel '{channel_current}'.")
logging.info(f"Switching to branch '{branch_new}' on channel"
f" '{channel_new}'...")
# Make sure we don't have mounts related to the old channel
pmb.chroot.shutdown(args)
# Attempt to switch branch (git gives a nice error message, mentioning
# which files need to be committed/stashed, so just pass it through)
if pmb.helpers.run.user(args, ["git", "checkout", branch_new],
args.aports, "interactive", check=False):
raise RuntimeError("Failed to switch branch. Go to your pmaports and"
" fix what git complained about, then try again: "
f"{args.aports}")
# Invalidate all caches
pmb.helpers.args.add_cache(args)
# Verify pmaports.cfg on new branch
read_config(args)
return True