fix(plugins): allow loading relative urls (#2539)

* fix(plugins): allow loading relative urls

* style(fmt): rustfmt

2 files changed, 18 insertions, 6 deletions

diff --git a/zellij-server/src/plugins/unit/snapshots/zellij_server__plugins__plugin_tests__start_or_reload_plugin.snap b/zellij-server/src/plugins/unit/snapshots/zellij_server__plugins__plugin_tests__start_or_reload_plugin.snap
index 173b0ce46..72364a88e 100644
--- a/zellij-server/src/plugins/unit/snapshots/zellij_server__plugins__plugin_tests__start_or_reload_plugin.snap
+++ b/zellij-server/src/plugins/unit/snapshots/zellij_server__plugins__plugin_tests__start_or_reload_plugin.snap
@@ -1,13 +1,16 @@
 ---
 source: zellij-server/src/plugins/./unit/plugin_tests.rs
-assertion_line: 2496
+assertion_line: 2889
 expression: "format!(\"{:#?}\", new_tab_event)"
 ---
 Some(
     StartOrReloadPluginPane(
-        File(
-            "/path/to/my/plugin.wasm",
-        ),
+        RunPlugin {
+            _allow_exec_host_cmd: false,
+            location: File(
+                "/path/to/my/plugin.wasm",
+            ),
+        },
         None,
     ),
 )
diff --git a/zellij-server/src/plugins/zellij_exports.rs b/zellij-server/src/plugins/zellij_exports.rs
index d4153ec8a..08d54c848 100644
--- a/zellij-server/src/plugins/zellij_exports.rs
+++ b/zellij-server/src/plugins/zellij_exports.rs
@@ -26,7 +26,7 @@ use zellij_utils::{
     input::{
         actions::Action,
         command::{RunCommand, RunCommandAction, TerminalAction},
-        layout::Layout,
+        layout::{Layout, RunPlugin, RunPluginLocation},
         plugins::PluginType,
     },
     serde,
@@ -946,10 +946,19 @@ fn host_start_or_reload_plugin(env: &ForeignFunctionEnv) {
             env.plugin_env.name()
         )
     };
+    let cwd = std::env::current_dir().unwrap_or_else(|_| PathBuf::from("."));
     wasi_read_string(&env.plugin_env.wasi_env)
         .and_then(|url| Url::parse(&url).map_err(|e| anyhow!("Failed to parse url: {}", e)))
         .and_then(|url| {
-            let action = Action::StartOrReloadPlugin(url);
+            RunPluginLocation::parse(url.as_str(), Some(cwd))
+                .map_err(|e| anyhow!("Failed to parse plugin location: {}", e))
+        })
+        .and_then(|run_plugin_location| {
+            let run_plugin = RunPlugin {
+                location: run_plugin_location,
+                _allow_exec_host_cmd: false,
+            };
+            let action = Action::StartOrReloadPlugin(run_plugin);
             apply_action!(action, error_msg, env);
             Ok(())
         })