Add hint and one-click copy for the three independent CLI-argument fields

src/Languages/lang_en.json

@@ -112,6 +112,8 @@
   "Custom install arguments:": "Custom install arguments:",
   "Custom update arguments:": "Custom update arguments:",
   "Custom uninstall arguments:": "Custom uninstall arguments:",
+  "These fields are independent: an argument set for Install won't apply to Update or Uninstall, and vice versa.": "These fields are independent: an argument set for Install won't apply to Update or Uninstall, and vice versa.",
+  "Copy install arguments to update and uninstall": "Copy install arguments to update and uninstall",
   "Pre-install command:": "Pre-install command:",
   "Post-install command:": "Post-install command:",
   "Abort install if pre-install command fails": "Abort install if pre-install command fails",

src/UniGetUI.Avalonia/ViewModels/DialogPages/InstallOptionsViewModel.cs

@@ -45,6 +45,8 @@ public partial class InstallOptionsViewModel : ObservableObject
     public string ParamsInstallLabel { get; } = CoreTools.Translate("Custom install arguments:");
     public string ParamsUpdateLabel { get; } = CoreTools.Translate("Custom update arguments:");
     public string ParamsUninstallLabel { get; } = CoreTools.Translate("Custom uninstall arguments:");
+    public string CliArgsHintLabel { get; } = CoreTools.Translate("These fields are independent: an argument set for Install won't apply to Update or Uninstall, and vice versa.");
+    public string CopyInstallArgsLabel { get; } = CoreTools.Translate("Copy install arguments to update and uninstall");
     public string PreInstallLabel { get; } = CoreTools.Translate("Pre-install command:");
     public string PostInstallLabel { get; } = CoreTools.Translate("Post-install command:");
     public string AbortInstallLabel { get; } = CoreTools.Translate("Abort install if pre-install command fails");
@@ -363,6 +365,13 @@ private void Proceed()
     [RelayCommand]
     private void ResetLocation() => LocationText = "";
 
+    [RelayCommand]
+    private void CopyInstallArgsToOthers()
+    {
+        ParamsUpdate = ParamsInstall;
+        ParamsUninstall = ParamsInstall;
+    }
+
     /// <summary>Unlocks the options by turning off "follow default options" (matches WinUI).</summary>
     [RelayCommand]
     private void Unlock() => FollowGlobal = false;

src/UniGetUI.Avalonia/ViewModels/Pages/SettingsPages/InstallOptionsPanelViewModel.cs

@@ -77,6 +77,8 @@ public partial class InstallOptionsPanelViewModel : ViewModelBase
     public string InstallArgsLabel { get; } = CoreTools.Translate("Custom install arguments:");
     public string UpdateArgsLabel { get; } = CoreTools.Translate("Custom update arguments:");
     public string UninstallArgsLabel { get; } = CoreTools.Translate("Custom uninstall arguments:");
+    public string CliArgsHintLabel { get; } = CoreTools.Translate("These fields are independent: an argument set for Install won't apply to Update or Uninstall, and vice versa.");
+    public string CopyInstallArgsLabel { get; } = CoreTools.Translate("Copy install arguments to update and uninstall");
     public string ResetLabel { get; } = CoreTools.Translate("Reset");
     public string ApplyLabel { get; } = CoreTools.Translate("Apply");
     public string CliDisabledLabel { get; } = CoreTools.Translate("For security reasons, custom command-line arguments are disabled by default. Go to UniGetUI security settings to change this.");
@@ -284,6 +286,16 @@ private void ResetLocation()
     private void NavigateToAdministrator() =>
         NavigateToAdministratorRequested?.Invoke(this, EventArgs.Empty);
 
+    // ── CLI args convenience ─────────────────────────────────────────────────
+
+    [RelayCommand]
+    private void CopyInstallArgsToOthers()
+    {
+        CustomUpdate = CustomInstall;
+        CustomUninstall = CustomInstall;
+        HasChanges = true;
+    }
+
     // ── Mark changed ─────────────────────────────────────────────────────────
 
     public void MarkChanged() => HasChanges = true;

src/UniGetUI.Avalonia/Views/DialogPages/InstallOptionsControl.axaml

@@ -259,6 +259,12 @@
                                        Command="{Binding GoToSecuritySettingsCommand}"
                                        HorizontalAlignment="Left" Padding="0" FontWeight="SemiBold"/>
 
+                      <TextBlock Text="{Binding CliArgsHintLabel}"
+                                 IsVisible="{Binding CliEnabled}"
+                                 TextWrapping="Wrap"
+                                 Opacity="0.7"
+                                 FontSize="12"/>
+
                       <Grid ColumnDefinitions="*,2*"
                             RowDefinitions="Auto,Auto,Auto"
                             ColumnSpacing="8" RowSpacing="8"
@@ -291,6 +297,13 @@
                                  FontSize="14"/>
 
                       </Grid>
+
+                      <HyperlinkButton Content="{Binding CopyInstallArgsLabel}"
+                                       IsVisible="{Binding CliEnabled}"
+                                       automation:AutomationProperties.Name="{Binding CopyInstallArgsLabel}"
+                                       Command="{Binding CopyInstallArgsToOthersCommand}"
+                                       Padding="0"
+                                       HorizontalAlignment="Left"/>
                     </StackPanel>
                 </Border>
             </TabItem>

src/UniGetUI.Avalonia/Views/Pages/SettingsPages/InstallOptionsPanel.axaml

@@ -159,11 +159,17 @@
                     </Button>
 
                     <!-- CLI arguments: always shown, disabled by security setting -->
+                    <TextBlock Text="{Binding CliArgsHintLabel}"
+                               IsVisible="{Binding CliSectionEnabled}"
+                               TextWrapping="Wrap"
+                               Opacity="0.7"
+                               FontSize="12"
+                               Margin="0,8,0,0"/>
                     <Grid ColumnDefinitions="*,2*"
                           RowDefinitions="Auto,Auto,Auto"
                           RowSpacing="8"
                           ColumnSpacing="8"
-                          Margin="0,8,0,0">
+                          Margin="0,4,0,0">
                         <TextBlock x:Name="InstallArgsLabelBlock"
                                    Grid.Row="0" Grid.Column="0"
                                    Text="{Binding InstallArgsLabel}"
@@ -207,6 +213,18 @@
                                    automation:AutomationProperties.LabeledBy="{Binding #UninstallArgsLabelBlock}"/>
                     </Grid>
 
+                    <Button IsVisible="{Binding CliSectionEnabled}"
+                            HorizontalAlignment="Left"
+                            Command="{Binding CopyInstallArgsToOthersCommand}"
+                            automation:AutomationProperties.Name="{Binding CopyInstallArgsLabel}"
+                            Background="Transparent"
+                            BorderThickness="0"
+                            Padding="0"
+                            Margin="0,4,0,0">
+                        <TextBlock Text="{Binding CopyInstallArgsLabel}" Classes="hyperlink"
+                                   automation:AutomationProperties.AccessibilityView="Raw"/>
+                    </Button>
+
                 </StackPanel>
             </Border>
 

src/UniGetUI.PackageEngine.Operations/PackageOperations.cs

@@ -436,7 +436,7 @@ protected override void Initialize()
                 + Package.Id
                 + " with Manager="
                 + Package.Manager.Name
-                + "\nInstallation options: "
+                + "\nUpdate options: "
                 + Options.ToString()
                 + "\nOverriden options: "
                 + Package.OverridenOptions.ToString()
@@ -508,7 +508,7 @@ protected override void Initialize()
                 + Package.Id
                 + " with Manager="
                 + Package.Manager.Name
-                + "\nInstallation options: "
+                + "\nUninstall options: "
                 + Options.ToString()
                 + "\nOverriden options: "
                 + Package.OverridenOptions.ToString();