Fixed brew and changed default ssh keygen comment to username@host

Author: BuddySirJava

.github/workflows/brew.yml

@@ -29,6 +29,12 @@ jobs:
           brew --version
           brew config
 
+      - name: Install Python 3.13
+        run: |
+          brew install python@3.13
+          python3 --version
+          brew --prefix python@3.13
+
       - name: Style check
         run: |
           brew style ./Formula/ssh-studio.rb

Formula/ssh-studio.rb

@@ -31,9 +31,16 @@ def install
     ENV.prepend_path "PATH", libexec/"bin"
 
     python3 = Formula["python@3.13"]
-    python_bin = python3.opt_bin/"python3"
-
-    odie "Python 3.13 not found at #{python_bin}" unless python_bin.exist?
+    python_bin = if (python3.opt_bin/"python3").exist?
+                   python3.opt_bin/"python3"
+                 elsif (python3.installed_prefix/"bin/python3").exist?
+                   python3.installed_prefix/"bin/python3"
+                 else
+                   prefix = `brew --prefix python@3.13`.strip
+                   Pathname.new("#{prefix}/bin/python3") if prefix && !prefix.empty?
+                 end
+
+    odie "Python 3.13 not found. Please ensure python@3.13 is installed: brew install python@3.13" unless python_bin&.exist?
 
     ENV["PYTHON"] = python_bin.to_s
     system "meson", "setup", "build", *std_meson_args

data/ui/generate_key_dialog.blp

@@ -34,7 +34,6 @@ template $GenerateKeyDialog: Adw.Dialog {
             }
             Adw.EntryRow comment_row {
               title: _("Comment");
-              text: "ssh-studio";
             }
             Adw.PasswordEntryRow pass_row {
               title: _("Passphrase");

src/ui/generate_key_dialog.py

@@ -5,6 +5,11 @@
 from gi.repository import Gtk, Adw
 from gettext import gettext as _
 
+try:
+    from ssh_studio.utils import get_default_ssh_key_comment
+except ImportError:
+    from utils import get_default_ssh_key_comment
+
 
 @Gtk.Template(
     resource_path="/io/github/BuddySirJava/SSH-Studio/ui/generate_key_dialog.ui"
@@ -28,6 +33,8 @@ def __init__(self, parent):
         self._populate_sizes()
         self._sync_size_visibility()
         self.type_row.connect("notify::selected-item", self._on_type_changed)
+        default_comment = get_default_ssh_key_comment()
+        self.comment_row.set_text(default_comment)
 
     def _populate_types(self):
         store = Gtk.StringList.new(["ed25519", "rsa", "ecdsa"])
@@ -69,7 +76,7 @@ def get_options(self):
             else 2048
         )
         name = self.name_row.get_text() or "id_ed25519"
-        comment = self.comment_row.get_text() or "ssh-studio"
+        comment = self.comment_row.get_text() or get_default_ssh_key_comment()
         passphrase = self.pass_row.get_text() or ""
         return {
             "type": key_type,

src/ui/host_editor.py

@@ -16,9 +16,9 @@
 import os
 
 try:
-    from ssh_studio.utils import copy_text_to_clipboard
+    from ssh_studio.utils import copy_text_to_clipboard, get_default_ssh_key_comment
 except ImportError:
-    from utils import copy_text_to_clipboard
+    from utils import copy_text_to_clipboard, get_default_ssh_key_comment
 
 
 @Gtk.Template(resource_path="/io/github/BuddySirJava/SSH-Studio/ui/host_editor.ui")
@@ -1276,7 +1276,7 @@ def after_gen(*__):
                         name = f"{base}_{i}"
                     key_path = ssh_dir / name
                     key_type = (opts.get("type") or "ed25519").lower()
-                    comment = opts.get("comment") or "ssh-studio"
+                    comment = opts.get("comment") or get_default_ssh_key_comment()
                     passphrase = opts.get("passphrase") or ""
                     if key_type == "rsa":
                         size = int(opts.get("size") or 2048)

src/ui/ssh_key_manager_dialog.py

@@ -8,9 +8,9 @@
 import subprocess
 
 try:
-    from ssh_studio.utils import copy_text_to_clipboard
+    from ssh_studio.utils import copy_text_to_clipboard, get_default_ssh_key_comment
 except ImportError:
-    from utils import copy_text_to_clipboard
+    from utils import copy_text_to_clipboard, get_default_ssh_key_comment
 
 
 @Gtk.Template(
@@ -264,7 +264,7 @@ def _generate_key_with_options(self, opts: dict):
                 name = f"{base_name}_{j}"
             key_path = self._home_ssh / name
             key_type = (opts.get("type") or "ed25519").lower()
-            comment = opts.get("comment") or "ssh-studio"
+            comment = opts.get("comment") or get_default_ssh_key_comment()
             passphrase = opts.get("passphrase") or ""
             if key_type == "rsa":
                 size = int(opts.get("size") or 2048)

src/utils.py

@@ -1,15 +1,14 @@
 import gi
+import os
+import socket
+import getpass
 
 gi.require_version("Gtk", "4.0")
 from gi.repository import Gdk, GLib
 import subprocess
 
 
 def copy_text_to_clipboard(text: str) -> bool:
-    """
-    Copies the provided text to the clipboard using multiple backends.
-    Tries GDK clipboard first, then falls back to command line tools.
-    """
     try:
         display = Gdk.Display.get_default()
         if not display:
@@ -66,3 +65,20 @@ def copy_text_to_clipboard(text: str) -> bool:
     except Exception:
         pass
     return False
+
+
+def get_default_ssh_key_comment() -> str:
+    try:
+        username = getpass.getuser()
+    except Exception:
+        try:
+            username = os.getlogin()
+        except Exception:
+            username = os.environ.get("USER") or os.environ.get("USERNAME") or "user"
+
+    try:
+        hostname = socket.gethostname()
+    except Exception:
+        hostname = "localhost"
+
+    return f"{username}@{hostname}"