From 099b526d775da64d49123ee0b5a48d3609f2fbf0 Mon Sep 17 00:00:00 2001
From: Takaya Saeki <abc.tkys+pub@gmail.com>
Date: Mon, 4 Jul 2022 23:34:06 +0900
Subject: [PATCH] installer: Fix the error which occurred when RELEASE_FILE is
 the same as the destination (#59)

This PR fixes the installer crashing when RELEASE_FILE is the same location as opt_distrod.tar.gz
---
 install.sh | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/install.sh b/install.sh
index 1a4ba39..0aeca22 100755
--- a/install.sh
+++ b/install.sh
@@ -65,7 +65,9 @@ update () {
 
 get_release_file() {
     if [ -n "$RELEASE_FILE" ]; then
-        cp "$RELEASE_FILE" opt_distrod.tar.gz
+        if [ "$(realpath "$RELEASE_FILE")" != "$(realpath opt_distrod.tar.gz)" ]; then
+            cp "$RELEASE_FILE" opt_distrod.tar.gz
+        fi
     else
         curl -L -O "${LATEST_RELEASE_URL}"
     fi