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42 lines
1.3 KiB
Python
Executable File
42 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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"""
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Script to get currently installed kotlinc version. If a list of available versions is provided as input,
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the last version of those lower or equal to the kotlinc version is printed.
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"""
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import subprocess
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import re
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import shutil
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import argparse
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import sys
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def version_tuple(v):
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v, _, _ = v.partition('-')
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return tuple(int(x) for x in v.split(".", 2))
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p = argparse.ArgumentParser(description=__doc__, fromfile_prefix_chars='@')
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p.add_argument("available_versions", nargs="*", metavar="X.Y.Z")
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opts = p.parse_args()
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kotlinc = shutil.which('kotlinc')
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if kotlinc is None:
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raise Exception("kotlinc not found")
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res = subprocess.run([kotlinc, "-version"], text=True, stdout=subprocess.DEVNULL, stderr=subprocess.PIPE)
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if res.returncode != 0:
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raise Exception(f"kotlinc -version failed: {res.stderr}")
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m = re.search(r' kotlinc-jvm ([0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z][a-zA-Z0-9]*)?) ', res.stderr)
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if m is None:
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raise Exception(f'Cannot detect version of kotlinc (got {res.stderr})')
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version = m[1]
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if opts.available_versions:
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vt = version_tuple(version)
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available = sorted(opts.available_versions, key=version_tuple, reverse=True)
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for v in available:
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if version_tuple(v) <= vt:
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print(v)
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sys.exit(0)
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raise Exception(f'Cannot find an available version for {version}')
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print(version)
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