feat(plugins): allow changing the plugin's `/host` folder (under a new permission) (#3827)

* working without notifying plugins

* permissions and events

* cleanups and formatting

* style(fmt): rustfmt

1 files changed, 17 insertions, 3 deletions

diff --git a/zellij-utils/src/plugin_api/plugin_command.rs b/zellij-utils/src/plugin_api/plugin_command.rs
index 06687971..4317a02e 100644
--- a/zellij-utils/src/plugin_api/plugin_command.rs
+++ b/zellij-utils/src/plugin_api/plugin_command.rs
@@ -4,9 +4,9 @@ pub use super::generated_api::api::{
     input_mode::InputMode as ProtobufInputMode,
     plugin_command::{
         plugin_command::Payload, BreakPanesToNewTabPayload, BreakPanesToTabWithIndexPayload,
-        ClearScreenForPaneIdPayload, CliPipeOutputPayload, CloseTabWithIndexPayload, CommandName,
-        ContextItem, EditScrollbackForPaneWithIdPayload, EnvVariable, ExecCmdPayload,
-        FixedOrPercent as ProtobufFixedOrPercent,
+        ChangeHostFolderPayload, ClearScreenForPaneIdPayload, CliPipeOutputPayload,
+        CloseTabWithIndexPayload, CommandName, ContextItem, EditScrollbackForPaneWithIdPayload,
+        EnvVariable, ExecCmdPayload, FixedOrPercent as ProtobufFixedOrPercent,
         FixedOrPercentValue as ProtobufFixedOrPercentValue,
         FloatingPaneCoordinates as ProtobufFloatingPaneCoordinates, HidePaneWithIdPayload,
         HttpVerb as ProtobufHttpVerb, IdAndNewName, KeyToRebind, KeyToUnbind, KillSessionsPayload,
@@ -1303,6 +1303,14 @@ impl TryFrom<ProtobufPluginCommand> for PluginCommand {
                 Some(_) => Err("ListClients should have no payload, found a payload"),
                 None => Ok(PluginCommand::ListClients),
             },
+            Some(CommandName::ChangeHostFolder) => match protobuf_plugin_command.payload {
+                Some(Payload::ChangeHostFolderPayload(change_host_folder_payload)) => {
+                    Ok(PluginCommand::ChangeHostFolder(PathBuf::from(
+                        change_host_folder_payload.new_host_folder,
+                    )))
+                },
+                _ => Err("Mismatched payload for ChangeHostFolder"),
+            },
             None => Err("Unrecognized plugin command"),
         }
     }
@@ -2130,6 +2138,12 @@ impl TryFrom<PluginCommand> for ProtobufPluginCommand {
                 name: CommandName::ListClients as i32,
                 payload: None,
             }),
+            PluginCommand::ChangeHostFolder(new_host_folder) => Ok(ProtobufPluginCommand {
+                name: CommandName::ChangeHostFolder as i32,
+                payload: Some(Payload::ChangeHostFolderPayload(ChangeHostFolderPayload {
+                    new_host_folder: new_host_folder.display().to_string(), // TODO: not accurate?
+                })),
+            }),
         }
     }
 }