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| 1 | +#!/usr/bin/env python3 |
| 2 | + |
| 3 | +from __future__ import annotations |
| 4 | +import re |
| 5 | +import os |
| 6 | +import sys |
| 7 | + |
| 8 | +# reference: https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string |
| 9 | +SEMVER_REGEX = r"^(?P<major>0|[1-9]\d*)\.(?P<minor>0|[1-9]\d*)\.(?P<patch>0|[1-9]\d*)(?:-(?P<prerelease>(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*)(?:\.(?:0|[1-9]\d*|\d*[a-zA-Z-][0-9a-zA-Z-]*))*))?(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$" |
| 10 | + |
| 11 | + |
| 12 | +def removeprefix(text: str, prefix: str) -> str: |
| 13 | + if text.startswith(prefix): |
| 14 | + return text[len(prefix) :] |
| 15 | + else: |
| 16 | + return text |
| 17 | + |
| 18 | + |
| 19 | +def get_semver(text: str, prefix: str) -> str | None: |
| 20 | + if prefix != "": |
| 21 | + text = removeprefix(text, prefix) |
| 22 | + |
| 23 | + r = re.compile(SEMVER_REGEX) |
| 24 | + result = r.match(text) |
| 25 | + |
| 26 | + if result is None: |
| 27 | + raise Exception(f"target is not semver string: '{text}'") |
| 28 | + |
| 29 | + return ( |
| 30 | + text, |
| 31 | + result["major"], |
| 32 | + result["minor"], |
| 33 | + result["patch"], |
| 34 | + result["prerelease"], |
| 35 | + result["buildmetadata"], |
| 36 | + ) |
| 37 | + |
| 38 | + |
| 39 | +def main(): |
| 40 | + semver_str: str = "" |
| 41 | + prefix: str = "" |
| 42 | + |
| 43 | + try: |
| 44 | + semver_str = sys.argv[1] |
| 45 | + prefix = sys.argv[2] |
| 46 | + except IndexError: |
| 47 | + pass |
| 48 | + |
| 49 | + output = os.getenv("GITHUB_OUTPUT") |
| 50 | + if output is None: |
| 51 | + raise Exception("GITHUB_OUTPUT environment variable is not define") |
| 52 | + |
| 53 | + semver, major, minor, patch, prerelease, build_metadata = get_semver( |
| 54 | + semver_str, prefix |
| 55 | + ) |
| 56 | + |
| 57 | + if prerelease is None: |
| 58 | + prerelease = "" |
| 59 | + |
| 60 | + if build_metadata is None: |
| 61 | + build_metadata = "" |
| 62 | + |
| 63 | + with open(output, "a") as f: |
| 64 | + print(f"version={semver}", file=f) |
| 65 | + print(f"major={major}", file=f) |
| 66 | + print(f"minor={minor}", file=f) |
| 67 | + print(f"patch={patch}", file=f) |
| 68 | + print(f"prerelease={prerelease}", file=f) |
| 69 | + print(f"build-metadata={build_metadata}", file=f) |
| 70 | + |
| 71 | + |
| 72 | +if __name__ == "__main__": |
| 73 | + try: |
| 74 | + main() |
| 75 | + except Exception as err: |
| 76 | + print(f"::error::raised error: {err}") |
| 77 | + sys.exit(1) |
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