6501920abb
This bring RHEL rust-toolset in sync with the latest Fedora rust-packaging, most importantly: * Fedora's new style (-v vendor) vendoring is implemented. The old RHEL style (-V #) vendoring is still supported, at least until we can convert everything in ELN. * Automatic generation of bundled provides using %cargo_vendor_manifest. However, instead of depending on cargo2rpm, a very stripped-down version of just its parse-vendor-manifest command is provided as a private script, along with a fileattr to call it. Other changes incorporated in this commit: * -Cstrip=none added to %build_rustflags. * --profile rpm is used instead of --release. * Errors in spawned commands are now caught. * Comments and whitespace are synced for easier comparison with Fedora. * --target all is dropped from license and vendor macros, to avoid false alarms from windows crates.
128 lines
3.7 KiB
Python
Executable File
128 lines
3.7 KiB
Python
Executable File
#! /usr/bin/python3 -s
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# Stripped down replacement for cargo2rpm parse-vendor-manifest
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import re
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import subprocess
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import sys
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from typing import Optional
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VERSION_REGEX = re.compile(
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r"""
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^
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(?P<major>0|[1-9]\d*)
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\.(?P<minor>0|[1-9]\d*)
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\.(?P<patch>0|[1-9]\d*)
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(?:-(?P<pre>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?
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(?:\+(?P<build>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$
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""",
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re.VERBOSE,
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)
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class Version:
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"""
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Version that adheres to the "semantic versioning" format.
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"""
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def __init__(self, major: int, minor: int, patch: int, pre: Optional[str] = None, build: Optional[str] = None):
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self.major: int = major
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self.minor: int = minor
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self.patch: int = patch
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self.pre: Optional[str] = pre
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self.build: Optional[str] = build
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@staticmethod
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def parse(version: str) -> "Version":
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"""
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Parses a version string and return a `Version` object.
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Raises a `ValueError` if the string does not match the expected format.
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"""
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match = VERSION_REGEX.match(version)
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if not match:
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raise ValueError(f"Invalid version: {version!r}")
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matches = match.groupdict()
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major_str = matches["major"]
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minor_str = matches["minor"]
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patch_str = matches["patch"]
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pre = matches["pre"]
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build = matches["build"]
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major = int(major_str)
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minor = int(minor_str)
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patch = int(patch_str)
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return Version(major, minor, patch, pre, build)
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def to_rpm(self) -> str:
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"""
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Formats the `Version` object as an equivalent RPM version string.
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Characters that are invalid in RPM versions are replaced ("-" -> "_")
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Build metadata (the optional `Version.build` attribute) is dropped, so
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the conversion is not lossless for versions where this attribute is not
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`None`. However, build metadata is not intended to be part of the
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version (and is not even considered when doing version comparison), so
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dropping it when converting to the RPM version format is correct.
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"""
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s = f"{self.major}.{self.minor}.{self.patch}"
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if self.pre:
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s += f"~{self.pre.replace('-', '_')}"
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return s
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def break_the_build(error: str):
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"""
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This function writes a string that is an invalid RPM dependency specifier,
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which causes dependency generators to fail and break the build. The
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additional error message is printed to stderr.
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"""
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print("*** FATAL ERROR ***")
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print(error, file=sys.stderr)
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def get_cargo_vendor_txt_paths_from_stdin() -> set[str]: # pragma nocover
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"""
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Read lines from standard input and filter out lines that look like paths
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to `cargo-vendor.txt` files. This is how RPM generators pass lists of files.
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"""
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lines = {line.rstrip("\n") for line in sys.stdin.readlines()}
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return {line for line in lines if line.endswith("/cargo-vendor.txt")}
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def action_parse_vendor_manifest():
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paths = get_cargo_vendor_txt_paths_from_stdin()
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for path in paths:
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with open(path) as file:
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manifest = file.read()
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for line in manifest.strip().splitlines():
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crate, version = line.split(" v")
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print(f"bundled(crate({crate})) = {Version.parse(version).to_rpm()}")
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def main():
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try:
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action_parse_vendor_manifest()
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exit(0)
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# print an error message that is not a valid RPM dependency
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# to cause the generator to break the build
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except (IOError, ValueError) as exc:
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break_the_build(str(exc))
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exit(1)
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break_the_build("Uncaught exception: This should not happen, please report a bug.")
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exit(1)
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if __name__ == "__main__":
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main()
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