mirror of
https://gitlab.postmarketos.org/postmarketOS/pmbootstrap.git
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0925b3e425
And fix some consequential type errors. [ci:skip-build]: already built successfully in CI
110 lines
3.3 KiB
Python
110 lines
3.3 KiB
Python
# Copyright 2023 Oliver Smith
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# SPDX-License-Identifier: GPL-3.0-or-later
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import os
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from pathlib import Path
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import time
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from pmb.types import PmbArgs
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import pmb.helpers.run
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import pmb.helpers.pmaports
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def replace(path: Path, old: str, new: str) -> None:
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text = ""
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with path.open("r", encoding="utf-8") as handle:
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text = handle.read()
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text = text.replace(old, new)
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with path.open("w", encoding="utf-8") as handle:
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handle.write(text)
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def replace_apkbuild(
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args: PmbArgs, pkgname: str, key: str, new: int | str, in_quotes: bool = False
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) -> None:
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"""Replace one key=value line in an APKBUILD and verify it afterwards.
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:param pkgname: package name, e.g. "hello-world"
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:param key: key that should be replaced, e.g. "pkgver"
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:param new: new value
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:param in_quotes: expect the value to be in quotation marks ("")
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"""
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# Read old value
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path = pmb.helpers.pmaports.find(pkgname) / "APKBUILD"
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apkbuild = pmb.parse.apkbuild(path)
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old = apkbuild[key]
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# Prepare old/new strings
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if in_quotes:
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line_old = f'{key}="{old}"'
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line_new = f'{key}="{new}"'
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else:
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line_old = f"{key}={old}"
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line_new = f"{key}={new}"
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# Replace
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replace(path, "\n" + line_old + "\n", "\n" + line_new + "\n")
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# Verify
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pmb.parse.apkbuild.cache_clear()
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apkbuild = pmb.parse.apkbuild(path)
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if apkbuild[key] != str(new):
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raise RuntimeError(
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f"Failed to set '{key}' for pmaport '{pkgname}'. Make sure"
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f" that there's a line with exactly the string '{line_old}'"
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f" and nothing else in: {path}"
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)
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def is_up_to_date(
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path_sources: list[Path], path_target: Path | None = None, lastmod_target: float | None = None
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) -> bool:
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"""Check if a file is up-to-date by comparing the last modified timestamps.
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(just like make does it).
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:param path_sources: list of full paths to the source files
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:param path_target: full path to the target file
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:param lastmod_target: the timestamp of the target file. specify this as
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alternative to specifying path_target.
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"""
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if path_target and lastmod_target:
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raise RuntimeError("Specify path_target *or* lastmod_target, not both!")
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lastmod_source = None
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for path_source in path_sources:
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lastmod = os.path.getmtime(path_source)
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if not lastmod_source or lastmod > lastmod_source:
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lastmod_source = lastmod
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if path_target:
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lastmod_target = os.path.getmtime(path_target)
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if lastmod_target is None or lastmod_source is None:
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raise AssertionError
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return lastmod_target >= lastmod_source
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def is_older_than(path: Path, seconds: int) -> bool:
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"""Check if a single file is older than a given amount of seconds."""
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if not os.path.exists(path):
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return True
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lastmod = os.path.getmtime(path)
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return lastmod + seconds < time.time()
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def symlink(file: Path, link: Path) -> None:
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"""Check if the symlink is already present, otherwise create it."""
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if os.path.exists(link):
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if os.path.islink(link) and os.path.realpath(os.readlink(link)) == os.path.realpath(file):
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return
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raise RuntimeError(f"File exists: {link}")
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elif link.is_symlink():
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link.unlink()
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# Create the symlink
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pmb.helpers.run.user(["ln", "-s", file, link])
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