nixpkgs-suyu/pkgs/build-support/rust/cargo-vendor-normalise.py

32 lines
797 B
Python
Executable file

#!/usr/bin/env python
import toml
import sys
def escape(s):
return '"'+s.replace('"', r'\"').replace("\n", r"\n").replace("\\", "\\\\")+'"'
data = toml.load(sys.stdin)
assert list(data.keys()) == [ "source" ]
# this value is non deterministic
data["source"]["vendored-sources"]["directory"] = "@vendor@"
result = ""
inner = data["source"]
for source in sorted(inner.keys()):
result += '[source.{}]\n'.format(escape(source))
if source == "vendored-sources":
result += '"directory" = "@vendor@"\n'
else:
for key in sorted(inner[source].keys()):
result += '{} = {}\n'.format(escape(key), escape(inner[source][key]))
result += "\n"
real = toml.loads(result)
assert real == data, "output = {} while input = {}".format(real, data)
print(result)