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129 lines
4.2 KiB
129 lines
4.2 KiB
#!/usr/bin/env python3
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# This script finds and prints the various versions in this project: wasi-sdk
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# itself, LLVM, and the Git revisions of dependencies.
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#
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# Usage: version [wasi-sdk|llvm|llvm-major|dump] [--llvm-dir=<non-project dir>]
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import argparse
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import os
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import subprocess
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import sys
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# The number of characters to use for the abbreviated Git revision.
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GIT_REF_LEN = 12
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def exec(command, cwd):
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result = subprocess.run(command, stdout=subprocess.PIPE,
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universal_newlines=True, check=True, cwd=cwd)
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return result.stdout.strip()
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def git_commit(dir):
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return exec(['git', 'rev-parse', f'--short={GIT_REF_LEN}', 'HEAD'], dir)
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def parse_git_version(version):
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# Parse, e.g.: wasi-sdk-21-0-g317548590b40+m
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parts = version.replace('+', '-').split('-')
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assert parts.pop(0) == 'wasi'
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assert parts.pop(0) == 'sdk'
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major, minor = parts.pop(0), parts.pop(0)
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git = None
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dirty = False
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if parts:
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# Check: git|dirty.
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next = parts.pop(0)
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if next == 'm':
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dirty = True
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elif minor != '0':
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git = next[1:]
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# Check: dirty.
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if parts:
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assert parts.pop(0) == 'm', f'expected dirty flag: +m'
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dirty = True
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assert not parts, f'unexpected suffixes: {parts}'
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return major, minor, git, dirty
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# Some inline tests to check Git version parsing:
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assert parse_git_version(
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'wasi-sdk-21-1-g317548590b40+m') == ('21', '1', '317548590b40', True)
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assert parse_git_version('wasi-sdk-21-2+m') == ('21', '2', None, True)
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assert parse_git_version(
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'wasi-sdk-23-0-g317548590b40') == ('23', '0', None, False)
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def git_version():
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version = exec(['git', 'describe', '--long', '--candidates=999',
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'--match=wasi-sdk-*', '--dirty=+m', f'--abbrev={GIT_REF_LEN}'],
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os.path.dirname(sys.argv[0]))
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major, minor, git, dirty = parse_git_version(version)
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version = f'{major}.{minor}'
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if git:
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version += f'g{git}'
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if dirty:
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version += '+m'
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return version
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def parse_cmake_set(line):
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return line.split(' ')[1].split(')')[0]
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def llvm_cmake_version(llvm_dir):
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path = f'{llvm_dir}/cmake/Modules/LLVMVersion.cmake'
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if not os.path.exists(path):
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# Handle older LLVM versions; see #399.
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path = f'{llvm_dir}/llvm/CMakeLists.txt'
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with open(path) as file:
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for line in file:
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line = line.strip()
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if line.startswith('set(LLVM_VERSION_MAJOR'):
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llvm_version_major = parse_cmake_set(line)
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elif line.startswith('set(LLVM_VERSION_MINOR'):
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llvm_version_minor = parse_cmake_set(line)
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elif line.startswith('set(LLVM_VERSION_PATCH'):
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llvm_version_patch = parse_cmake_set(line)
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return llvm_version_major, llvm_version_minor, llvm_version_patch
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def main(action, llvm_dir):
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if action == 'wasi-sdk':
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print(git_version())
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elif action == 'llvm':
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major, minor, path = llvm_cmake_version(llvm_dir)
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print(f'{major}.{minor}.{path}')
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elif action == 'llvm-major':
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major, _, _ = llvm_cmake_version(llvm_dir)
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print(major)
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elif action == 'dump':
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print(git_version())
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print(f'wasi-libc: {git_commit("src/wasi-libc")}')
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print(f'llvm: {git_commit(llvm_dir)}')
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major, minor, path = llvm_cmake_version(llvm_dir)
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print(f'llvm-version: {major}.{minor}.{path}')
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print(f'config: {git_commit("src/config")}')
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if __name__ == '__main__':
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parser = argparse.ArgumentParser(
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description='Print the various kinds of versions in wasi-sdk')
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parser.add_argument('action',
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choices=['wasi-sdk', 'llvm', 'llvm-major', 'dump'],
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nargs='?',
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default='wasi-sdk',
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help='Which kind of version to print (default: wasi-sdk).')
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parser.add_argument('--llvm-dir',
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nargs='?',
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default='src/llvm-project',
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help='Override the location of the LLVM source directory (default: src/llvm-project).')
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args = parser.parse_args()
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main(args.action, args.llvm_dir)
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sys.exit(0)
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