refactor: extract REMOTE_URL_PREFIXES and is_remote_url() to _vcs.py

Author: Oscar-SR

copier/_main.py

@@ -70,7 +70,7 @@
     VcsRef,
 )
 from ._user_data import AnswersMap, Question, load_answersfile_data
-from ._vcs import get_git, is_git_available
+from ._vcs import get_git, is_git_available, is_remote_url
 from .errors import (
     ConfigFileError,
     CopierAnswersInterrupt,
@@ -372,7 +372,7 @@ def _answers_to_remember(self) -> Mapping[str, Any]:
         was_relative = src_path is not None and not src_path.is_absolute()
 
         # If original was relative and it is not a remote Git repo, save as relative to the subproject root
-        if was_relative and src and not src.startswith(("http://", "https://", "git@", "git+", "gh:", "gl:", "bb:")):
+        if was_relative and src and not is_remote_url(src):
             try:
                 src_resolved = Path(src).resolve()
                 dst_resolved = self.subproject.local_abspath.resolve()

copier/_subproject.py

@@ -16,7 +16,7 @@
 from ._template import Template
 from ._types import AbsolutePath, AnyByStrDict, VCSTypes
 from ._user_data import load_answersfile_data
-from ._vcs import get_git, is_in_git_repo
+from ._vcs import get_git, is_in_git_repo, is_remote_url
 
 
 @dataclass
@@ -77,7 +77,7 @@ def template(self) -> Template | None:
         last_ref = self.last_answers.get("_commit")
         if last_url:
             url = last_url
-            if not last_url.startswith(("http://", "https://", "git@", "git+", "gh:", "gl:", "bb:")):
+            if not is_remote_url(last_url):
                 try:
                     path = Path(last_url)
                     if not path.is_absolute():

copier/_vcs.py

@@ -69,6 +69,12 @@ def is_git_available() -> bool:
     (re.compile(r"^gl:/?(.*)$"), r"https://gitlab.com/\1.git"),
 )
 
+REMOTE_URL_PREFIXES = ("http://", "https://", "git@", "git+", "gh:", "gl:", "bb:")
+
+
+def is_remote_url(url: str) -> bool:
+    return url.startswith(REMOTE_URL_PREFIXES)
+
 
 def is_git_repo_root(path: StrOrPath) -> bool:
     """Indicate if a given path is a git repo root directory."""