Add Copy environment button to Environments dialog

Each environment column header now has a copy button that creates a
duplicate with a unique name (e.g. "Production (1)"). Non-sensitive
variables are copied directly; sensitive variables are migrated
through the keyring asynchronously.

cz.bugsy.roster.json

@@ -35,7 +35,7 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "url" : "file:///home/pavelb/GnomeBuilderProjects/Roster"
+                    "url" : "file:///home/pavelb/Projects/GnomeBuilderProjects/Roster"
                 }
             ],
             "config-opts" : [

src/environments_dialog.py

@@ -18,6 +18,7 @@
 #
 # SPDX-License-Identifier: GPL-3.0-or-later
 
+import re
 from gi.repository import Adw, Gtk, GObject
 from .widgets.variable_row import VariableRow
 from .widgets.environment_row import EnvironmentRow
@@ -65,6 +66,8 @@ class EnvironmentsDialog(Adw.Dialog):
                                self._on_environment_edit)
         self.header_row.connect('environment-delete-requested',
                                self._on_environment_delete)
+        self.header_row.connect('environment-copy-requested',
+                               self._on_environment_copy)
         self.table_container.append(self.header_row)
 
         # Add separator
@@ -249,6 +252,30 @@ class EnvironmentsDialog(Adw.Dialog):
         dialog.connect("response", on_response)
         dialog.present(self)
 
+    def _on_environment_copy(self, widget, environment):
+        """Copy an environment with a unique name."""
+        existing_names = {env.name for env in self.project.environments}
+        new_name = self._unique_env_name(environment.name, existing_names)
+
+        def on_copy_complete(new_env):
+            self._reload_project()
+            self._populate_table()
+            self.emit('environments-updated')
+
+        self.project_manager.copy_environment(self.project.id, environment.id, new_name, on_copy_complete)
+
+    @staticmethod
+    def _unique_env_name(base_name, existing_names):
+        """Generate a unique environment name by appending (1), (2), etc."""
+        match = re.match(r'^(.*?) \((\d+)\)$', base_name)
+        base = match.group(1) if match else base_name
+        counter = 1
+        while True:
+            candidate = f"{base} ({counter})"
+            if candidate not in existing_names:
+                return candidate
+            counter += 1
+
     def _on_environment_delete(self, widget, environment):
         """Delete environment with confirmation."""
         # Prevent deletion of last environment

src/project_manager.py

@@ -229,6 +229,73 @@ class ProjectManager:
         self.save_projects(projects)
         return environment
 
+    def copy_environment(self, project_id: str, source_env_id: str, new_name: str,
+                         callback: Optional[Callable] = None):
+        """Copy an environment including all variables (sensitive ones via keyring)."""
+        projects = self.load_projects()
+        secret_manager = get_secret_manager()
+
+        for p in projects:
+            if p.id == project_id:
+                source_env = next((e for e in p.environments if e.id == source_env_id), None)
+                if source_env is None:
+                    if callback:
+                        callback(None)
+                    return
+
+                now = datetime.now(timezone.utc).isoformat()
+                new_env_id = str(uuid.uuid4())
+                new_env = Environment(
+                    id=new_env_id,
+                    name=new_name,
+                    variables=dict(source_env.variables),
+                    created_at=now
+                )
+                p.environments.append(new_env)
+                self.save_projects(projects)
+
+                sensitive_vars = [v for v in p.sensitive_variables if v in source_env.variables]
+                if not sensitive_vars:
+                    if callback:
+                        callback(new_env)
+                    return
+
+                pending_count = [len(sensitive_vars)]
+
+                def make_copy_handler(var_name, project_name, env_name):
+                    def on_store_done(success=True):
+                        pending_count[0] -= 1
+                        if pending_count[0] == 0 and callback:
+                            callback(new_env)
+
+                    def on_retrieve(value):
+                        if value:
+                            secret_manager.store_secret(
+                                project_id=project_id,
+                                environment_id=new_env_id,
+                                variable_name=var_name,
+                                value=value,
+                                project_name=project_name,
+                                environment_name=env_name,
+                                callback=lambda success: on_store_done(success)
+                            )
+                        else:
+                            on_store_done()
+
+                    return on_retrieve
+
+                for var_name in sensitive_vars:
+                    secret_manager.retrieve_secret(
+                        project_id=project_id,
+                        environment_id=source_env_id,
+                        variable_name=var_name,
+                        callback=make_copy_handler(var_name, p.name, new_name)
+                    )
+                return
+
+        if callback:
+            callback(None)
+
     def update_environment(self, project_id: str, env_id: str, name: str = None, variables: dict = None):
         """Update an environment's name and/or variables."""
         projects = self.load_projects()

src/widgets/environment-column-header.ui

@@ -23,6 +23,18 @@
         <property name="halign">center</property>
         <property name="spacing">4</property>
 
+        <child>
+          <object class="GtkButton" id="copy_button">
+            <property name="icon-name">edit-copy-symbolic</property>
+            <property name="tooltip-text">Copy environment</property>
+            <signal name="clicked" handler="on_copy_clicked"/>
+            <style>
+              <class name="flat"/>
+              <class name="circular"/>
+            </style>
+          </object>
+        </child>
+
         <child>
           <object class="GtkButton" id="edit_button">
             <property name="icon-name">document-properties-symbolic</property>

src/widgets/environment_column_header.py

@@ -28,12 +28,14 @@ class EnvironmentColumnHeader(Gtk.Box):
     __gtype_name__ = 'EnvironmentColumnHeader'
 
     name_label = Gtk.Template.Child()
+    copy_button = Gtk.Template.Child()
     edit_button = Gtk.Template.Child()
     delete_button = Gtk.Template.Child()
 
     __gsignals__ = {
         'edit-requested': (GObject.SIGNAL_RUN_FIRST, None, ()),
         'delete-requested': (GObject.SIGNAL_RUN_FIRST, None, ()),
+        'copy-requested': (GObject.SIGNAL_RUN_FIRST, None, ()),
     }
 
     def __init__(self, environment):
@@ -41,6 +43,11 @@ class EnvironmentColumnHeader(Gtk.Box):
         self.environment = environment
         self.name_label.set_text(environment.name)
 
+    @Gtk.Template.Callback()
+    def on_copy_clicked(self, button):
+        """Handle copy button click."""
+        self.emit('copy-requested')
+
     @Gtk.Template.Callback()
     def on_edit_clicked(self, button):
         """Handle edit button click."""

src/widgets/environment_header_row.py

@@ -35,6 +35,7 @@ class EnvironmentHeaderRow(Gtk.Box):
     __gsignals__ = {
         'environment-edit-requested': (GObject.SIGNAL_RUN_FIRST, None, (object,)),
         'environment-delete-requested': (GObject.SIGNAL_RUN_FIRST, None, (object,)),
+        'environment-copy-requested': (GObject.SIGNAL_RUN_FIRST, None, (object,)),
     }
 
     def __init__(self, environments, size_group):
@@ -62,6 +63,7 @@ class EnvironmentHeaderRow(Gtk.Box):
             header = EnvironmentColumnHeader(env)
             header.connect('edit-requested', self._on_edit_requested, env)
             header.connect('delete-requested', self._on_delete_requested, env)
+            header.connect('copy-requested', self._on_copy_requested, env)
 
             # Add to size group for alignment with data rows
             if self.size_group:
@@ -78,6 +80,10 @@ class EnvironmentHeaderRow(Gtk.Box):
         """Handle delete request from column header."""
         self.emit('environment-delete-requested', environment)
 
+    def _on_copy_requested(self, widget, environment):
+        """Handle copy request from column header."""
+        self.emit('environment-copy-requested', environment)
+
     def refresh(self, environments):
         """Refresh with updated environments list."""
         self.environments = environments