Fix invalid name, email from git config. Fix no information about ski…

…pping adding package.

src/poetry/console/commands/init.py

@@ -122,12 +122,16 @@ def handle(self) -> int:
         if not description:
             description = self.ask(self.create_question("Description []: ", default=""))
 
+        def strip(string):
+            """Strings from VCS config come with apostrophes."""
+            return string.lstrip("'").rstrip("'")
+
         author = self.option("author")
         if not author and vcs_config.get("user.name"):
-            author = vcs_config["user.name"]
+            author = strip(vcs_config["user.name"])
             author_email = vcs_config.get("user.email")
             if author_email:
-                author += f" <{author_email}>"
+                author += f" <{strip(author_email)}>"
 
         question = self.create_question(
             f"Author [<comment>{author}</comment>, n to skip]: ", default=author
@@ -281,7 +285,7 @@ def _determine_requirements(
                 ):
                     self.line(f"Adding <info>{package}</info>")
                     result.append(constraint)
-                    package = self.ask("\nAdd a package:")
+                    package = self.ask("\nAdd a package (leave blank to skip):")
                     continue
 
                 canonicalized_name = canonicalize_name(constraint["name"])
@@ -347,7 +351,7 @@ def _determine_requirements(
                     result.append(constraint)
 
                 if self.io.is_interactive():
-                    package = self.ask("\nAdd a package:")
+                    package = self.ask("\nAdd a package (leave blank to skip):")
 
             return result