compile

#!/usr/bin/env python3
import shutil
from pathlib import Path
from subprocess import check_output, run

base_dir = Path(__file__).absolute().parent
tex_files = [
    (Path("barvagt/main.tex"), "barvagt.pdf"),
]

out_dir = base_dir / "out"
out_dir.mkdir(exist_ok=True)

for d in base_dir.iterdir():
    if not d.is_dir():
        continue

    tex_file = d / "main.tex"
    if not tex_file.exists():
        continue

    tex_files.append((tex_file, d.with_suffix(".pdf").name))


for tex_file, out_name in tex_files:
    print(f"Compiling {tex_file}")

    change_date = check_output(
        ["git", "log", "-1", "--pretty=format:%ad", "--date=short", tex_file],
        encoding="utf-8",
    ).strip()

    contents = tex_file.read_text()
    new_contents = contents.replace("\\date{\\today}", "\\date{" + change_date + "}")

    try:
        tex_file.write_text(new_contents)

        run(
            ["latexmk", "-halt-on-error", "-pdf", tex_file.name],
            cwd=tex_file.parent,
            check=True,
        )
        pdf = tex_file.with_suffix(".pdf")
        shutil.copy(pdf, out_dir / out_name)
    finally:
        tex_file.write_text(contents)