feat: use chardet to get correct encoding

Author: gpongelli

commitizen/cmd.py

@@ -1,6 +1,8 @@
 import subprocess
 from typing import NamedTuple
 
+import chardet
+
 
 class Command(NamedTuple):
     out: str
@@ -21,8 +23,8 @@ def run(cmd: str) -> Command:
     stdout, stderr = process.communicate()
     return_code = process.returncode
     return Command(
-        stdout.decode("iso-8859-1"),
-        stderr.decode("iso-8859-1"),
+        stdout.decode(chardet.detect(stdout)["encoding"]),
+        stderr.decode(chardet.detect(stderr)["encoding"]),
         stdout,
         stderr,
         return_code,

pyproject.toml

@@ -56,6 +56,7 @@ jinja2 = ">=2.10.3"
 pyyaml = ">=3.08"
 argcomplete = "^1.12.1"
 typing-extensions = "^4.0.1"
+chardet = "^5.0.0"
 
 [tool.poetry.dev-dependencies]
 ipython = "^7.2"