From 05ed400c32276fec7ecb2e79450f77bc1e8b3b8a Mon Sep 17 00:00:00 2001
From: Kevin Veen-Birkenbach <kevin@veen.world>
Date: Fri, 21 Oct 2022 15:57:42 +0200
Subject: [PATCH] Adapted logic for optimal blocksize

---
 scripts/base.sh | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/scripts/base.sh b/scripts/base.sh
index d8450f8..7d94f5b 100644
--- a/scripts/base.sh
+++ b/scripts/base.sh
@@ -78,9 +78,15 @@ set_device_path(){
     then
       error "$device_path is not valid device."
   fi
+  info "Device path set to: $device_path"
   # @see https://www.heise.de/ct/hotline/Optimale-Blockgroesse-fuer-dd-2056768.html
-  OPTIMAL_BLOCKSIZE=$(expr 64 \* "$(sudo cat /sys/block/"$device"/queue/physical_block_size)") &&
-  info "Device path set to: $device_path" &&
+  PHYSICAL_BLOCK_SIZE_PATH="/sys/block/$device/queue/physical_block_size"
+  if [ -f "$device_path" ]
+    then
+      OPTIMAL_BLOCKSIZE=$(expr 64 \* "$(sudo cat $PHYSICAL_BLOCK_SIZE_PATH)") || error
+    else
+      OPTIMAL_BLOCKSIZE="1KB"
+  fi
   info "Optimal blocksize set to: $OPTIMAL_BLOCKSIZE" ||
   error
 }