lxc/completion: Add completions for lxc image alias list|delete|rename

Signed-off-by: Kadin Sayani <[email protected]>

lxc/image_alias.go

@@ -126,6 +126,14 @@ func (c *cmdImageAliasDelete) command() *cobra.Command {
 
 	cmd.RunE = c.run
 
+	cmd.ValidArgsFunction = func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		if len(args) > 0 {
+			return nil, cobra.ShellCompDirectiveNoFileComp
+		}
+
+		return c.global.cmpImages(toComplete)
+	}
+
 	return cmd
 }
 
@@ -175,6 +183,14 @@ Filters may be part of the image hash or part of the image alias name.
 
 	cmd.RunE = c.run
 
+	cmd.ValidArgsFunction = func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		if len(args) > 0 {
+			return nil, cobra.ShellCompDirectiveNoFileComp
+		}
+
+		return c.global.cmpRemotes(toComplete, true)
+	}
+
 	return cmd
 }
 
@@ -274,6 +290,14 @@ func (c *cmdImageAliasRename) command() *cobra.Command {
 
 	cmd.RunE = c.run
 
+	cmd.ValidArgsFunction = func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+		if len(args) > 0 {
+			return nil, cobra.ShellCompDirectiveNoFileComp
+		}
+
+		return c.global.cmpImages(toComplete)
+	}
+
 	return cmd
 }