From 80077905a64b2d804c20a49d190f742a244d7816 Mon Sep 17 00:00:00 2001
From: edouardparis <m@edouard.paris>
Date: Wed, 14 Aug 2024 11:32:25 +0200
Subject: [PATCH] Revert ctx state for remote backend when user clicks on
 previous

---
 gui/src/installer/mod.rs          | 4 ++++
 gui/src/installer/step/backend.rs | 6 ++++++
 gui/src/installer/step/mod.rs     | 1 +
 3 files changed, 11 insertions(+)

diff --git a/gui/src/installer/mod.rs b/gui/src/installer/mod.rs
index cd475f1f..8d4c8157 100644
--- a/gui/src/installer/mod.rs
+++ b/gui/src/installer/mod.rs
@@ -72,6 +72,10 @@ impl Installer {
         {
             self.current -= 1;
         }
+
+        if let Some(step) = self.steps.get(self.current) {
+            step.revert(&mut self.context)
+        }
     }
 
     pub fn new(
diff --git a/gui/src/installer/step/backend.rs b/gui/src/installer/step/backend.rs
index 5b2ed387..64fcd91d 100644
--- a/gui/src/installer/step/backend.rs
+++ b/gui/src/installer/step/backend.rs
@@ -260,6 +260,12 @@ impl Step for ChooseBackend {
         true
     }
 
+    /// If user clicks on previous to get back to the select backend, we revert the applied remote
+    /// backend on the context.
+    fn revert(&self, ctx: &mut Context) {
+        ctx.remote_backend = None;
+    }
+
     fn view<'a>(
         &'a self,
         _hws: &'a HardwareWallets,
diff --git a/gui/src/installer/step/mod.rs b/gui/src/installer/step/mod.rs
index 08ade031..b1b3fc95 100644
--- a/gui/src/installer/step/mod.rs
+++ b/gui/src/installer/step/mod.rs
@@ -50,6 +50,7 @@ pub trait Step {
     fn apply(&mut self, _ctx: &mut Context) -> bool {
         true
     }
+    fn revert(&self, _ctx: &mut Context) {}
     fn stop(&self) {}
 }