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| 1 | +#!/usr/bin/python3 |
| 2 | +import re |
| 3 | +import subprocess |
| 4 | +import sys |
| 5 | + |
| 6 | + |
| 7 | +def get_arg(arg_idx) -> str: |
| 8 | + return sys.argv[arg_idx] |
| 9 | + |
| 10 | + |
| 11 | +def get_current_version() -> str: |
| 12 | + current_version_cmd = subprocess.run( |
| 13 | + "mvn help:evaluate -Dexpression=project.version -q -DforceStdout", |
| 14 | + shell=True, capture_output=True, text=True) |
| 15 | + return current_version_cmd.stdout |
| 16 | + |
| 17 | + |
| 18 | +def get_release_version(release_type: str, current_version: str) -> str: |
| 19 | + major, minor, patch = determine_new_version(current_version, release_type) |
| 20 | + return str(major) + "." + str(minor) + "." + str(patch) |
| 21 | + |
| 22 | + |
| 23 | +def get_snapshot_version(release_type: str, current_version: str) -> str: |
| 24 | + major, minor, patch = determine_new_version(current_version, release_type) |
| 25 | + patch += 1 |
| 26 | + return str(major) + "." + str(minor) + "." + str(patch) + "-SNAPSHOT" |
| 27 | + |
| 28 | + |
| 29 | +def get_version_tag(release_type: str, current_version: str) -> str: |
| 30 | + major, minor, patch = determine_new_version(current_version, release_type) |
| 31 | + return "v" + str(major) + "." + str(minor) + "." + str(patch) |
| 32 | + |
| 33 | + |
| 34 | +def determine_new_version(current_version, release_type): |
| 35 | + major, minor, patch, is_prerelease = dissect_version(current_version) |
| 36 | + |
| 37 | + match release_type: |
| 38 | + case "MAJOR": |
| 39 | + major, minor, patch = get_major_release_version(major) |
| 40 | + case "MINOR": |
| 41 | + major, minor, patch = get_minor_release_version(major, minor) |
| 42 | + case "PATCH": |
| 43 | + major, minor, patch = get_patch_release_version(major, minor, patch, |
| 44 | + is_prerelease) |
| 45 | + case _: |
| 46 | + print("Second arg has to be `MAJOR`, `MINOR` or `PATCH`") |
| 47 | + sys.exit() |
| 48 | + |
| 49 | + return major, minor, patch |
| 50 | + |
| 51 | + |
| 52 | +def dissect_version(current_version) -> (int, int, int): |
| 53 | + version_regex = get_regex() |
| 54 | + regex_match = version_regex.search(current_version) |
| 55 | + major: int = int(regex_match.groupdict().get("major")) |
| 56 | + minor: int = int(regex_match.groupdict().get("minor")) |
| 57 | + patch: int = int(regex_match.groupdict().get("patch")) |
| 58 | + is_prerelease: bool = True if regex_match.groupdict().get( |
| 59 | + "prerelease") else False |
| 60 | + return major, minor, patch, is_prerelease |
| 61 | + |
| 62 | + |
| 63 | +def get_regex(): |
| 64 | + # Following REGEX is suggested on semver.org |
| 65 | + # https://semver.org/#is-there-a-suggested-regular-expression-regex-to-check-a-semver-string |
| 66 | + return re.compile( |
| 67 | + r'^' |
| 68 | + r'(?P<major>0|[1-9]\d*)' |
| 69 | + r'\.' |
| 70 | + r'(?P<minor>0|[1-9]\d*)' |
| 71 | + r'\.' |
| 72 | + r'(?P<patch>0|[1-9]\d*)' |
| 73 | + r'(?:-(?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-]*))*))?' |
| 74 | + r'(?:\+(?P<buildmetadata>[0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?$') |
| 75 | + |
| 76 | + |
| 77 | +def get_major_release_version(major): |
| 78 | + major += 1 |
| 79 | + minor = 0 |
| 80 | + patch = 0 |
| 81 | + return major, minor, patch |
| 82 | + |
| 83 | + |
| 84 | +def get_minor_release_version(major, minor): |
| 85 | + minor += 1 |
| 86 | + patch = 0 |
| 87 | + return major, minor, patch |
| 88 | + |
| 89 | + |
| 90 | +def get_patch_release_version(major, minor, patch, is_prerelease): |
| 91 | + if is_prerelease: |
| 92 | + # Leave values as is because current version without `prerelease` is new patch version |
| 93 | + return major, minor, patch |
| 94 | + return major, minor, patch + 1 |
| 95 | + |
| 96 | + |
| 97 | +if __name__ == "__main__": |
| 98 | + |
| 99 | + version_type = get_arg(1) |
| 100 | + release_type = get_arg(2) |
| 101 | + |
| 102 | + current_version = get_current_version() |
| 103 | + |
| 104 | + match version_type: |
| 105 | + case "release-version": |
| 106 | + new_version = get_release_version(release_type, current_version) |
| 107 | + case "version-tag": |
| 108 | + new_version = get_version_tag(release_type, current_version) |
| 109 | + case "snapshot-version": |
| 110 | + new_version = get_snapshot_version(release_type, current_version) |
| 111 | + case _: |
| 112 | + print( |
| 113 | + "First arg has to be `release-version`, `version-tag` or `snapshot-version`.") |
| 114 | + sys.exit() |
| 115 | + |
| 116 | + print(new_version) |
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