fix(vcs) allow '+' in git url path (#765)

Author: uhryniuk

src/poetry/core/vcs/git.py

@@ -14,7 +14,7 @@
 USER = r"[a-zA-Z0-9_.-]+"
 RESOURCE = r"[a-zA-Z0-9_.-]+"
 PORT = r"\d+"
-PATH = r"[%\w~.\-/\\\$]+"
+PATH = r"[%\w~.\-\+/\\\$]+"
 NAME = r"[%\w~.\-]+"
 REV = r"[^@#]+?"
 SUBDIR = r"[\w\-/\\]+"

tests/vcs/test_vcs.py

@@ -341,6 +341,18 @@ def test_normalize_url(url: str, normalized: GitUrl) -> None:
                 None,
             ),
         ),
+        (
+            "git+ssh://[email protected]:sdispater/project/+git/my_repo.git",
+            ParsedUrl(
+                "ssh",
+                "git.example.com",
+                ":sdispater/project/+git/my_repo.git",
+                "git",
+                None,
+                "my_repo",
+                None,
+            ),
+        ),
         (
             "git+ssh://[email protected]:sdispater/project/my_repo.git#subdirectory=project-dir",
             ParsedUrl(