pre-push git hook to generate Arch User Repository files

pre-push

#!/bin/python

import subprocess
import re
from pathlib import Path
import os

WD = Path().absolute()
PKGBUILD_IN_PATH = Path("PKGBUILD").absolute()
OUT_PATH = Path("aur_out").absolute()
OUT_PATH.mkdir(parents=True, exist_ok=True)

PKGBUILD_OUT_PATH = OUT_PATH.joinpath("PKGBUILD").absolute()
SRCINFO_OUT_PATH = OUT_PATH.joinpath('.SRCINFO').absolute()


def main():
    print("Version update for PKGINFO")
    makepkg = subprocess.run('printf "r%s.%s" "$(git rev-list --count HEAD)" "$(git rev-parse --short=7 HEAD)"', shell=True, check=True, capture_output=True)
    version_number = makepkg.stdout
    version = version_number.decode('utf-8')
    pkgbuild_text = PKGBUILD_IN_PATH.read_text()
    sub = re.sub(r"pkgver=.+", f"pkgver={version}", pkgbuild_text)
    PKGBUILD_OUT_PATH.write_text(sub)

    print("Copying install file")
    m = re.search(r"install='(.*?)'", pkgbuild_text)
    file_name = m.group(1)
    IN_INSTALL_FILE = WD.joinpath(file_name)
    OUT_PATH.joinpath(file_name).write_text(IN_INSTALL_FILE.read_text())

    print("Generating .SRCINFO")
    os.chdir(OUT_PATH)
    srcinfo = subprocess.run(f'makepkg -p {PKGBUILD_OUT_PATH.absolute()} --printsrcinfo', shell=True, check=True, capture_output=True)
    SRCINFO_OUT_PATH.write_bytes(srcinfo.stdout)
    os.chdir(WD)

if __name__ == "__main__":
    main()