1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#!/usr/bin/python3
# Copyright: 2015-2017 The Debian Project
# License: MIT or Apache-2.0
#
# Helper to remove removed-files from .cargo-checksum
# TODO: rewrite to perl and add to dh-cargo, maybe?
from collections import OrderedDict
import argparse
import json
import os
import sys
def prune_keep(cfile):
with open(cfile) as fp:
sums = json.load(fp, object_pairs_hook=OrderedDict)
oldfiles = sums["files"]
newfiles = OrderedDict([entry for entry in oldfiles.items() if os.path.exists(entry[0])])
sums["files"] = newfiles
if len(oldfiles) == len(newfiles):
return
with open(cfile, "w") as fp:
json.dump(sums, fp, separators=(',', ':'))
def prune(cfile):
with open(cfile, "r+") as fp:
sums = json.load(fp, object_pairs_hook=OrderedDict)
sums["files"] = {}
fp.seek(0)
json.dump(sums, fp, separators=(',', ':'))
fp.truncate()
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-k", "--keep", action="store_true", help="keep "
"checksums of files that still exist, and assume they haven't changed.")
parser.add_argument('crates', nargs=argparse.REMAINDER,
help="crates whose checksums to prune. (default: ./)")
args = parser.parse_args(sys.argv[1:])
crates = args.crates or ["."]
f = prune_keep if args.keep else prune
for c in crates:
cfile = os.path.join(c, ".cargo-checksum.json") if os.path.isdir(c) else c
f(cfile)
|
