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#!/usr/bin/env python3
import re
import os
import sys
import subprocess
import yaml
import logging
import logging.config
def get_config_files():
subpath = ['aur-runner', 'config.yaml']
conf_files = []
# TODO better name for this, preferably matching the program name
if d := os.getenv('OVERRIDE_DIR'):
conf_files.append(os.path.join(d, *subpath))
if d := os.getenv('XDG_CONFIG_HOME'):
conf_files.append(os.path.join(d, *subpath))
if d := os.getenv('HOME'):
conf_files.append(os.path.join(d, '.config', *subpath))
if d := os.getenv('XDG_CONFIG_DIRS'):
for part in d.split(':'):
conf_files.append(os.path.join(part, *subpath))
conf_files.append(os.path.join('/etc/xdg', *subpath))
return conf_files
default_config_yaml = """
package-list: aur-packages.yaml
source-file: '*virtual*'
path:
- /usr/local/sbin
- /usr/local/bin
- /usr/bin
- /usr/bin/site_perl
- /usr/bin/vendor_perl
- /usr/bin/core_perl
cache-dir: cache
pkgdest-dir: dest
logging:
version: 1
formatters:
detailed:
class: logging.Formatter
format: '[%(asctime)s] %(name)-15s %(levelname)-8s %(message)s'
datefmt: '%Y-%m-%dT%H:%M:%S'
handlers:
console:
class: logging.StreamHandler
formatter: detailed
level: DEBUG
root:
level: DEBUG
handlers:
- console
"""
default_config = yaml.safe_load(default_config_yaml)
for conf_file in get_config_files():
try:
with open(conf_file) as f:
user_config = yaml.safe_load(f)
user_config['source-file'] = conf_file
break
except FileNotFoundError:
pass
else:
# No config file found
user_config = {}
def get_conf(key, default=None):
if default:
return user_config.get(key, default_config.get(key, default))
else:
return user_config.get(key, default_config[key])
logging.config.dictConfig(get_conf('logging'))
logger = logging.getLogger(__name__)
def log_cmd(cmd):
if cmd.returncode == 0:
logger.info('%s finished without errors', cmd.args)
else:
logger.warning('%s exited with status code %s', cmd.args, cmd.returncode)
auracle_args = ['--color=never']
pacman_args = ['--noconfirm', '--asdeps', '--noprogressbar', '--needed']
makepkg_args = ['--nocolor']
def gather_packages(pkgs):
"""
Figure out which packages to install, and in which order
Takes a list of package names, and returns to lists, one of
packages which are alreaddy available in the repos, and a list of
packages which needs to be fetched from the aur. Both are in
dependency order, and all repo packages should be assumed to be
required for the aur packages to be build/installed.
"""
repo_pkgs = []
aur_pkgs = []
cmd = subprocess.run(['auracle', *auracle_args, 'buildorder', *pkgs], capture_output=True, text=True)
log_cmd(cmd)
for line in cmd.stdout.split('\n'):
if not line: continue
m = re.match(r'(SATISFIED|TARGET)?(AUR|REPOS|UNKNOWN) ([^ ]*) ?(.*)', line)
status = m[1]
source = m[2]
package = m[3]
if status == 'SATISFIED':
logger.debug('Package already installed: %s', package)
continue
if source == 'REPOS':
logger.debug('Would install from repo: %s', package)
repo_pkgs.append(package)
elif source == 'AUR':
logger.debug('Would install from aur: %s', package)
aur_pkgs.append(package)
elif source == 'UNKNOWN':
# auracle buildorder guile-chickadee fails with
# 'UNKNOWN guile-opengl guile-chickadee'
# Since guile-opengl is provided by guile-opengl-git, and
# auracle doesn't find that. The information is however there
# on the aur: https://aur.archlinux.org/packages/guile-chickadee/
logger.fatal('AURACLE UNKNOWN, [%s], [%s]', line, m[4])
sys.exit(1)
return repo_pkgs, aur_pkgs
##################################################
def main():
with open(get_conf('package-list')) as f:
data = yaml.safe_load(f)
if type(data) != dict:
logger.fatal('Package must have a dict as root')
sys.exit(1)
if type(data.get('packages')) != list:
logger.fatal('Invalid key packages in package list')
sys.exit(1)
pkgs = data.get('packages')
# os.path.join discards earlier components whenever it finds an absolute path
cachedir = os.path.join(os.getcwd(), get_conf('cache-dir'))
pkgdest = os.path.join(os.getcwd(), get_conf('pkgdest-dir'))
for dir in [cachedir, pkgdest]:
try:
os.mkdir(dir)
except FileExistsError:
pass
path = get_conf('path')
repo_pkgs, aur_pkgs = gather_packages(pkgs)
if repo_pkgs:
logger.info('Installing from the repos: %s', repo_pkgs)
log_cmd(subprocess.run(['sudo', 'pacman', *pacman_args, '-S', *repo_pkgs]))
for package in aur_pkgs:
cmd = subprocess.run(['auracle', *auracle_args, '--chdir', cachedir, 'clone', package],
capture_output=True, text=True)
log_cmd(cmd)
m = re.match('[^:]*: (.*)', cmd.stdout)
if not m:
logger.error('Auracle clone had unexpected output [%s], skipping package [%s]',
cmd.stdout, package)
continue
cwd = m[1]
env = { 'PKGDEST': pkgdest,
'PATH': ':'.join(path),
}
log_cmd(subprocess.run(['makepkg', *makepkg_args, '--install', *pacman_args], env=env, cwd=cwd))
if __name__ == '__main__':
if os.getuid() == 0:
logger.fatal("Running as root isn't supported by makepkg, exiting")
sys.exit(1)
main()
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