From c0cf446034edf89bba749b87c8c1b844ba02d226 Mon Sep 17 00:00:00 2001
From: Thierry Laurion <insurgo@riseup.net>
Date: Tue, 31 Oct 2023 09:38:44 -0400
Subject: [PATCH] flash-gui.sh: add proper checks and cleanup in case of npf
 rom archive

---
 initrd/bin/flash-gui.sh | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/initrd/bin/flash-gui.sh b/initrd/bin/flash-gui.sh
index e1c79d61..4b66d5c0 100755
--- a/initrd/bin/flash-gui.sh
+++ b/initrd/bin/flash-gui.sh
@@ -43,9 +43,11 @@ while true; do
 
         # is a .npf provided?
         if [ -z "${ROM##*.npf}" ]; then
+          #preventive cleanup
+          rm -rf /tmp/verified_rom >/dev/null 2>&1 || true
           # unzip to /tmp/verified_rom
-          mkdir /tmp/verified_rom
-          unzip $ROM -d /tmp/verified_rom
+          mkdir -p /tmp/verified_rom >/dev/null 2>&1 || true
+          unzip $ROM -d /tmp/verified_rom || die "Failed to unzip ROM file"
           # check file integrity
           if (cd /tmp/verified_rom/ && sha256sum -cs /tmp/verified_rom/sha256sum.txt); then
             ROM="$(head -n1 /tmp/verified_rom/sha256sum.txt | cut -d ' ' -f 3)"