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#! /usr/bin/env python
import argparse
from pathlib import Path
import re
import subprocess
import tomlkit.toml_file
from pyalpm import vercmp
PKGNAME_REGEX = re.compile(r"^(?P<pkgname>[a-z0-9@._+-]+)-(?P<pkgver>[a-z0-9._:+]+)-(?P<pkgrel>[a-z0-9._:+]+)-(?P<arch>any|x86_64|i686)\.pkg\.tar(\.xz|\.zst)?$", re.IGNORECASE)
REPO_DIR = Path("~/.cache/archbuild/pkgs/").expanduser()
DB_NAME = "jlk.db.tar.xz"
SOURCE_DIRS = [
{
"path": Path("~/Arch/packaging/aur/").expanduser(),
"nvchecker_source": "aur",
},
{
"path": Path("~/Arch/packaging/aur_mine/").expanduser(),
"nvchecker_overwrite": False,
"nvchecker_source": "aur",
},
]
NVCHECKER_CONFIG_FILE = Path("~/.config/nvchecker/nvchecker.toml").expanduser()
assert REPO_DIR.is_dir()
assert (REPO_DIR / DB_NAME).is_file()
for d in SOURCE_DIRS:
assert d["path"].is_dir(), d["path"]
def repo_add_new():
""" Runs ``repo-add`` for all newly built packages that are not yet in the database.
"""
current_packages = {}
old_pkgnames = set()
old_files = set()
# remove files that don't match pkgname_reges from further processing!!
for f in REPO_DIR.iterdir():
if not f.is_file():
continue
match = re.match(PKGNAME_REGEX, f.name)
if match:
pkgname = match.groupdict()["pkgname"]
pkgver = match.groupdict()["pkgver"]
pkgrel = match.groupdict()["pkgrel"]
data = match.groupdict()
data["fname"] = f
current_packages.setdefault(pkgname, data)
cur_pkgver = current_packages[pkgname]["pkgver"]
cur_pkgrel = current_packages[pkgname]["pkgrel"]
comp = vercmp(pkgver + "-" + pkgrel, cur_pkgver + "-" + cur_pkgrel)
if comp < 0:
old_pkgnames.add(pkgname)
old_files.add(f)
elif comp > 0:
current_data = current_packages[pkgname]
old_pkgnames.add(current_data["pkgname"])
old_files.add(current_data["fname"])
current_packages[pkgname] = data
# update database entries
to_update = set()
for pkgname, data in current_packages.items():
if pkgname in old_pkgnames:
to_update.add(data["fname"])
if to_update:
cmd = ["repo-add", "-n", "-s", DB_NAME, *sorted(to_update)]
subprocess.run(cmd, check=True, cwd=REPO_DIR)
return old_files
def update():
old_files = repo_add_new()
# remove old files
for f in sorted(old_files):
print(f"Deleted: {f}")
f.unlink()
sig = f.with_suffix(f.suffix + ".sig")
if sig.is_file():
print(f"Deleted: {sig}")
sig.unlink()
# TODO: push modified sources to my gitlab repository
def get_from_SRCINFO(path, key):
with open(path, "r") as f:
for line in f.readlines():
line = line.strip()
if not line or line.startswith("#"):
continue
k, v = line.split("=", 1)
if k.strip() == key:
return v.strip()
def get_from_PKGBUILD(path, key):
with open(path, "r") as f:
for line in f.readlines():
if line.startswith(f"{key}="):
value = line.split("=", 1)[1].strip()
if value.startswith("'") and value.endswith("'"):
value = value[1:-1]
if value.startswith('"') and value.endswith('"'):
value = value[1:-1]
return value
def nvchecker():
""" Updates ``nvchecker`` config file with the sources defined in ``SOURCE_DIRS``
and then runs ``nvchecker``.
"""
for src in SOURCE_DIRS:
root_path = src["path"]
# read the config file
config_file = tomlkit.toml_file.TOMLFile(NVCHECKER_CONFIG_FILE)
config = config_file.read()
# iterate over package directories in the source root
for pkg in root_path.iterdir():
if not pkg.is_dir():
continue
elif not (pkg / "PKGBUILD").is_file():
print(f"WARNING: PKGBUILD not found in {pkg}")
continue
# extract from .SRCINFO if it exists
if (pkg / ".SRCINFO").is_file():
pkgname = get_from_SRCINFO(pkg / ".SRCINFO", "pkgname")
pkgver = get_from_SRCINFO(pkg / ".SRCINFO", "pkgver")
else:
# extract pkgname and pkgver from PKGBUILD in the most hackish way
pkgname = pkg.name
#pkgname = get_from_PKGBUILD(pkg / "PKGBUILD", "pkgname")
pkgver = get_from_PKGBUILD(pkg / "PKGBUILD", "pkgver")
# ensure that a TOML table for the pkgname exists
if pkgname not in config:
config.add(pkgname, tomlkit.table())
update_config = True
else:
update_config = src.get("nvchecker_overwrite", True)
# update the config file
if update_config:
source = src["nvchecker_source"]
config[pkgname]["source"] = source
if source in {"aur", "archpkg"}:
config[pkgname][source] = pkgname
elif source == "gitlab":
config[pkgname]["host"] = src["nvchecker_host"]
config[pkgname]["gitlab"] = src["nvchecker_gitlab_format"].format(remote_pkgname=pkgname)
# write the config file
config_file.write(config)
# run nvchecker
subprocess.run(["nvchecker", "-c", NVCHECKER_CONFIG_FILE], check=True)
def check():
nvchecker()
# TODO: check if rebuild-notify and expac are available
subprocess.run(["rebuild-notify"], check=True)
# TODO: list packages that are in the database, but package file is deleted or source is missing
def remove(targets, *, force=False):
packages = {}
for target in targets:
# first check if the target is a valid path
path = Path(target)
if path.is_file():
# check if the file is in REPO_DIR
if path.parent.resolve() != REPO_DIR.resolve():
raise Exception(f"The file {target} is not located in the repo directory {REPO_DIR}.")
# then check if the path is a package
match = re.match(PKGNAME_REGEX, path.name)
if match:
pkgname = match.groupdict()["pkgname"]
pkgver = match.groupdict()["pkgver"]
pkgrel = match.groupdict()["pkgrel"]
pkgdata = packages.setdefault(pkgname, [])
pkgdata.append({"pkgname": pkgname, "pkgver": pkgver, "pkgrel": pkgrel, "path": path})
else:
raise Exception(f"Package {target} was specified as file path, but it does not match the package name regex.")
else:
# if not a path, find all files matching the pkgname in the REPO_DIR
files = list(REPO_DIR.glob(target + "*.pkg.tar.*"))
# make sure that a valid pkgname gets removed, even if the package was already deleted from disk
if not files:
print(f"WARNING: no package file found for {target}")
pkgdata = packages.setdefault(target, [])
pkgdata.append({"pkgname": target, "pkgver": None, "pkgrel": None, "path": None})
continue
# check all found files
for file in files:
match = re.match(PKGNAME_REGEX, file.name)
if match:
pkgname = match.groupdict()["pkgname"]
# skip packages that did not match exactly (i.e. target is a prefix of pkgname)
if pkgname != target:
continue
pkgver = match.groupdict()["pkgver"]
pkgrel = match.groupdict()["pkgrel"]
pkgdata = packages.setdefault(pkgname, [])
pkgdata.append({"pkgname": pkgname, "pkgver": pkgver, "pkgrel": pkgrel, "path": file})
# call repo-remove
pkgnames = sorted(packages.keys())
if pkgnames:
print(f"Removing packages {pkgnames} from the database...")
cmd = ["repo-remove", "-s", DB_NAME, *pkgnames]
subprocess.run(cmd, cwd=REPO_DIR)
else:
print("No package selected, nothing to do.")
# get all package files
pkgfiles = []
for data in packages.values():
for pkg in data:
if pkg["path"] is not None:
pkgfiles.append(pkg["path"])
# delete package files
if force is True:
for f in sorted(pkgfiles):
print(f"Deleted: {f}")
f.unlink()
sig = f.with_suffix(f.suffix + ".sig")
if sig.is_file():
print(f"Deleted: {sig}")
sig.unlink()
elif pkgfiles:
print("Package files were left on the disk. Use --force to delete them.")
if __name__ == "__main__":
parser = argparse.ArgumentParser()
subparsers = parser.add_subparsers(title="subcommands", help="valid subcommands", required=True, dest="subcommand")
parser_update = subparsers.add_parser("update", help="add newly built packages to the repo database, remove old package files")
parser_check = subparsers.add_parser("check", help="check the repo for problems and new package versions")
# TODO: implement "repo add", handle both pkgname and pkg file path
parser_remove = subparsers.add_parser("remove", help="remove package(s) from the repo database")
parser_remove.add_argument("-f", "--force", action="store_true", help="also delete the package file(s) from disk")
parser_remove.add_argument("pkgname", nargs="+", help="name of the package to remove (can also be a file path)")
args = parser.parse_args()
if args.subcommand == "update":
update()
elif args.subcommand == "check":
check()
elif args.subcommand == "remove":
remove(args.pkgname, force=args.force)