feat(shell_support): add nushell (#6063)

* feat(shell_support): add nushell

* feat(shell_detection): bump shellingham version + no echo for nushell

Co-authored-by: emilien fugier <emilien.fugier@adevinta.com>

pyproject.toml

@@ -61,7 +61,7 @@ pkginfo = "^1.5"
 platformdirs = "^2.5.2"
 requests = "^2.18"
 requests-toolbelt = "^0.9.1"
-shellingham = "^1.1"
+shellingham = "^1.5"
 tomlkit = ">=0.11.1,<1.0.0"
 # exclude 20.4.5 - 20.4.6 due to https://github.com/pypa/pip/issues/9953
 virtualenv = "(>=20.4.3,<20.4.5 || >=20.4.7)"

src/poetry/utils/shell.py

@@ -93,7 +93,7 @@ def activate(self, env: VirtualEnv) -> int | None:
                 self._path, ["-i"], dimensions=(terminal.height, terminal.width)
             )
 
-        if self._name == "zsh":
+        if self._name in ["zsh", "nu"]:
             c.setecho(False)
 
         c.sendline(f"{self._get_source_command()} {shlex.quote(str(activate_path))}")
@@ -119,13 +119,15 @@ def _get_activate_script(self) -> str:
             suffix = ".ps1"
         elif self._name == "cmd":
             suffix = ".bat"
+        elif self._name == "nu":
+            suffix = ".nu"
         else:
             suffix = ""
 
         return "activate" + suffix
 
     def _get_source_command(self) -> str:
-        if self._name in ("fish", "csh", "tcsh"):
+        if self._name in ("fish", "csh", "tcsh", "nu"):
             return "source"
         return "."