[PATCH installer 20/21] tui-installer: unmount a potentially mounted backup on abort

[Shannon Sterz <s.sterz@proxmox.com>]

Signed-off-by: Shannon Sterz <s.sterz@proxmox.com>
---
 proxmox-tui-installer/src/main.rs | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/proxmox-tui-installer/src/main.rs b/proxmox-tui-installer/src/main.rs
index 1f3e8fe..c23be46 100644
--- a/proxmox-tui-installer/src/main.rs
+++ b/proxmox-tui-installer/src/main.rs
@@ -346,6 +346,8 @@ fn prompt_dialog(
 }
 
 fn trigger_abort_install_dialog(siv: &mut Cursive) {
+    #[cfg(debug_assertions)]
+    let _ = siv.with_user_data(|state| crate::views::ensure_no_mounted_backup(state));
     #[cfg(debug_assertions)]
     siv.quit();
 
@@ -355,7 +357,11 @@ fn trigger_abort_install_dialog(siv: &mut Cursive) {
         "Abort installation?",
         "Are you sure you want to abort the installation?",
         "Yes",
-        Box::new(Cursive::quit),
+        Box::new(|siv| {
+            // Ignore unmounting errors to ensure aborting finishes.
+            let _ = siv.with_user_data(|state| crate::views::ensure_no_mounted_backup(state));
+            Cursive::quit(siv);
+        }),
         "No",
         Box::new(|_| {}),
     )
-- 
2.47.3