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# This script checks that the Minimum Supported Rust Version (MSRV) has the same value
# in several places throughout the source tree.
import re
import sys
PLACES_TO_CHECK = [
['configure.ac', r'MINIMUM_RUST_VER=(.*)'],
['Cargo.toml', r'rust-version\s*=\s*"(.*)"'],
['ci/container_builds.yml', r'RUST_MINIMUM:\s*"(.*)"'],
['devel-docs/devel_environment.rst', r'rust (.*) or later'],
]
versions = []
for filename, regex in PLACES_TO_CHECK:
r = re.compile(regex)
with open(filename) as f:
matched = False
for idx, line in enumerate(f.readlines()):
matches = r.search(line)
if matches is not None:
matched = True
line_number = idx + 1
versions.append([filename, line_number, matches.group(1), line])
if not matched:
raise Exception(f'file {filename} does not have a line that matches {regex}')
assert len(versions) > 0
all_the_same = True
for filename, line_number, version, line in versions[1:]:
if version != versions[0][2]:
all_the_same = False
if not all_the_same:
print(f'Version numbers do not match in these lines, please fix them!\n', file=sys.stderr)
for filename, line_number, version, line in versions:
print(f'{filename}:{line_number}: {line}', file=sys.stderr)
sys.exit(1)
print(f'Versions number match. All good!', file=sys.stderr)
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