Fix #48 return nil when eglot is using a network process

pet.el

@@ -803,54 +803,55 @@ FN is `eglot--executable-find', ARGS is the arguments to
   "Return LSP initializationOptions for Eglot.
 
 COMMAND is the name of the Python language server command."
-  (cond ((string-match-p "pylsp" command)
-         `(:pylsp
-           (:plugins
-            (:jedi
-             (:environment
-              ,(pet-virtualenv-root))
-             :ruff
-             (:executable
-              ,(pet-executable-find "ruff"))
-             :pylsp_mypy
-             (:overrides
-              ["--python-executable" ,(pet-executable-find "python") t])
-             :flake8
-             (:executable
-              ,(pet-executable-find "flake8"))
-             :pylint
-             (:executable
-              ,(pet-executable-find "pylint"))))))
-        ((string-match-p "pyls" command)
-         `(:pyls
-           (:plugins
-            (:jedi
-             (:environment
-              ,(pet-virtualenv-root))
-             :pylint
-             (:executable
-              ,(pet-executable-find "pylint"))))))
-        ((string-match-p "pyright-langserver" command)
-         `(:python
-           (:pythonPath
-            ,(pet-executable-find "python")
-            :venvPath
-            ,(pet-virtualenv-root))))
-        ((string-match-p "jedi-language-server" command)
-         `(:jedi
-           (:executable
-            (:command
-             ,(pet-executable-find "jedi-language-server"))
-            :workspace
-            (:environmentPath
-             ,(pet-executable-find "python")))))
-        ((string-match-p "ruff-lsp" command)
-         `(:settings
-           (:interpreter
-            ,(pet-executable-find "python")
-            :path
-            ,(pet-executable-find "ruff"))))
-        (t nil)))
+  (pcase command
+    ((rx "pylsp")
+     `(:pylsp
+       (:plugins
+        (:jedi
+         (:environment
+          ,(pet-virtualenv-root))
+         :ruff
+         (:executable
+          ,(pet-executable-find "ruff"))
+         :pylsp_mypy
+         (:overrides
+          ["--python-executable" ,(pet-executable-find "python") t])
+         :flake8
+         (:executable
+          ,(pet-executable-find "flake8"))
+         :pylint
+         (:executable
+          ,(pet-executable-find "pylint"))))))
+    ((rx "pyls")
+     `(:pyls
+       (:plugins
+        (:jedi
+         (:environment
+          ,(pet-virtualenv-root))
+         :pylint
+         (:executable
+          ,(pet-executable-find "pylint"))))))
+    ((rx "pyright-langserver")
+     `(:python
+       (:pythonPath
+        ,(pet-executable-find "python")
+        :venvPath
+        ,(pet-virtualenv-root))))
+    ((rx "jedi-language-server")
+     `(:jedi
+       (:executable
+        (:command
+         ,(pet-executable-find "jedi-language-server"))
+        :workspace
+        (:environmentPath
+         ,(pet-executable-find "python")))))
+    ((rx "ruff-lsp")
+     `(:settings
+       (:interpreter
+        ,(pet-executable-find "python")
+        :path
+        ,(pet-executable-find "ruff"))))
+    (t nil)))
 
 (defalias 'pet--proper-list-p 'proper-list-p)
 (eval-when-compile