modernize git-url

git-url

@@ -1,12 +1,18 @@
 #!/usr/bin/env python3
 
+from __future__ import annotations
+
 import re
 import subprocess
 import sys
+import typing
 import urllib.parse
 
-def oneliner(*args):
-	return subprocess.check_output(args, universal_newlines=True).strip()
+if typing.TYPE_CHECKING:
+	from _typeshed import StrOrBytesPath
+
+def oneliner(*args) -> str:
+	return subprocess.run(args, check=True, capture_output=True, text=True).stdout.strip()
 
 commit = oneliner('git', 'rev-parse', 'HEAD')
 local_branch = oneliner('git', 'branch', '--show-current')
@@ -39,18 +45,18 @@ if hostname.startswith('github.com-'):
 
 obj_type = 'tree'
 if len(sys.argv) == 2:
-  obj_type = 'blob'
+	obj_type = 'blob'
 
 repo_url = urllib.parse.urlunparse(('https', hostname, parsed.path, '', '', ''))
 
-def url_for(treeish):
-  dir_url = '%s/%s/%s' % (repo_url, obj_type, treeish)
-  if relpath:
-    dir_url = '%s/%s' % (dir_url, relpath)
-  if len(sys.argv) == 2:
-    return '%s/%s' % (dir_url, sys.argv[1])
-  else:
-    return dir_url
+def url_for(treeish: str) -> str:
+	dir_url = '%s/%s/%s' % (repo_url, obj_type, treeish)
+	if relpath:
+		dir_url = '%s/%s' % (dir_url, relpath)
+	if len(sys.argv) == 2:
+		return '%s/%s' % (dir_url, sys.argv[1])
+	else:
+		return dir_url
 
 if tag is not None:
 	print(url_for(tag))