+#!/usr/bin/env python3
+
+# Copyright: 2015 The Debian Project
+# License: MIT-License 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 json
+import os
+import sys
+
+def main(pkgdir):
+ os.chdir(pkgdir)
+ with open(".cargo-checksum.json") 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):
+ with open(".cargo-checksum.json", "w") as fp:
+ json.dump(sums, fp, separators=(',', ':'))
+
+if __name__ == "__main__":
+ main(sys.argv[1] if len(sys.argv) > 1 else ".")