From e8e1032027d646615a007bf48282c0f9bbf66520 Mon Sep 17 00:00:00 2001
From: Matt DeVillier <matt.devillier@puri.sm>
Date: Tue, 9 Jul 2019 16:53:40 -0500
Subject: [PATCH] gpg_add_key_reflash: handle user cancellation

if user chooses abort option, exit without flashing ROM

Signed-off-by: Matt DeVillier <matt.devillier@puri.sm>
---
 initrd/bin/gpg-gui.sh | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/initrd/bin/gpg-gui.sh b/initrd/bin/gpg-gui.sh
index 6a752374..0b016b62 100755
--- a/initrd/bin/gpg-gui.sh
+++ b/initrd/bin/gpg-gui.sh
@@ -196,7 +196,12 @@ gpg_add_key_reflash() {
       find /media -name '*.key' > /tmp/filelist.txt
       find /media -name '*.asc' >> /tmp/filelist.txt
       file_selector "/tmp/filelist.txt" "Choose your GPG public key"
-      PUBKEY=$FILE
+      # bail if user didn't select a file
+      if [ "$FILE" = "" ]; then
+        return
+      else
+        PUBKEY=$FILE
+      fi
 
       /bin/flash.sh -r /tmp/gpg-gui.rom
       if [ ! -s /tmp/gpg-gui.rom ]; then