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48 lines
1.5 KiB
Python
Executable File
48 lines
1.5 KiB
Python
Executable File
#!/usr/bin/python3
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# Copyright: 2015-2017 The Debian Project
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# License: MIT or Apache-2.0
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#
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# Helper to remove removed-files from .cargo-checksum
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# TODO: rewrite to perl and add to dh-cargo, maybe?
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from collections import OrderedDict
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import argparse
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import json
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import os
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import sys
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def prune_keep(cfile):
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with open(cfile) as fp:
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sums = json.load(fp, object_pairs_hook=OrderedDict)
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oldfiles = sums["files"]
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newfiles = OrderedDict([entry for entry in oldfiles.items() if os.path.exists(entry[0])])
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sums["files"] = newfiles
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if len(oldfiles) == len(newfiles):
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return
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with open(cfile, "w") as fp:
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json.dump(sums, fp, separators=(',', ':'))
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def prune(cfile):
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with open(cfile, "r+") as fp:
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sums = json.load(fp, object_pairs_hook=OrderedDict)
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sums["files"] = {}
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fp.seek(0)
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json.dump(sums, fp, separators=(',', ':'))
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fp.truncate()
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if __name__ == "__main__":
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parser = argparse.ArgumentParser()
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parser.add_argument("-k", "--keep", action="store_true", help="keep "
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"checksums of files that still exist, and assume they haven't changed.")
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parser.add_argument('crates', nargs=argparse.REMAINDER,
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help="crates whose checksums to prune. (default: ./)")
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args = parser.parse_args(sys.argv[1:])
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crates = args.crates or ["."]
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f = prune_keep if args.keep else prune
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for c in crates:
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cfile = os.path.join(c, ".cargo-checksum.json") if os.path.isdir(c) else c
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f(cfile)
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