Fix installation and editable

src/pip4a/subcommands/installer.py

@@ -41,10 +41,6 @@ def __init__(self: Installer, config: Config, output: Output) -> None:
 
     def run(self: Installer) -> None:
         """Run the installer."""
-        if self._config.args.editable and not self._collection.local:
-            err = "Editable installs are only supported for local collections."
-            self._output.critical(err)
-
         if (
             self._config.args.collection_specifier
             and "," in self._config.args.collection_specifier
@@ -67,6 +63,9 @@ def run(self: Installer) -> None:
                 if self._config.args.editable:
                     self._swap_editable_collection()
             elif not self._collection.local:
+                if self._config.args.editable:
+                    msg = "Editable installs are only supported for local collections."
+                    self._output.critical(msg)
                 self._install_galaxy_collection()
 
         builder_introspect(config=self._config)
@@ -296,11 +295,11 @@ def _install_local_collection(self: Installer) -> None:  # noqa: PLR0912, PLR091
         if not self._config.args.editable:
             shutil.copy(
                 self._collection.build_dir / "galaxy.yml",
-                self._config.site_pkg_path / "galaxy.yml",
+                self._collection.site_pkg_path / "galaxy.yml",
             )
         else:
             shutil.copy(
-                self._config.site_pkg_path / "MANIFEST.json",
+                self._collection.site_pkg_path / "MANIFEST.json",
                 self._collection.cache_dir / "MANIFEST.json",
             )
 
@@ -320,13 +319,13 @@ def _swap_editable_collection(self: Installer) -> None:
         if self._collection.path is None:
             msg = "Collection path not set"
             raise RuntimeError(msg)
-        msg = f"Removing installed {self._config.site_pkg_path}"
+        msg = f"Removing installed {self._collection.site_pkg_path}"
         self._output.debug(msg)
-        if self._config.site_pkg_path.exists():
-            if self._config.site_pkg_path.is_symlink():
-                self._config.site_pkg_path.unlink()
+        if self._collection.site_pkg_path.exists():
+            if self._collection.site_pkg_path.is_symlink():
+                self._collection.site_pkg_path.unlink()
             else:
-                shutil.rmtree(self._config.site_pkg_path)
+                shutil.rmtree(self._collection.site_pkg_path)
 
         msg = f"Symlinking {self._collection.site_pkg_path} to {self._collection.path}"
         self._output.debug(msg)