From 44bc0d1c69973829c3d92193fd627d3dc0c8c994 Mon Sep 17 00:00:00 2001
From: Alexandre <44178713+alexbelgium@users.noreply.github.com>
Date: Wed, 1 May 2024 17:33:03 +0200
Subject: [PATCH] Only use tmpfs for StreamData if existing

https://github.com/alexbelgium/hassio-addons/issues/1369#issuecomment-2088623801
---
 .../rootfs/etc/cont-init.d/01-structure.sh     | 18 ++++++++++--------
 1 file changed, 10 insertions(+), 8 deletions(-)

diff --git a/birdnet-pi/rootfs/etc/cont-init.d/01-structure.sh b/birdnet-pi/rootfs/etc/cont-init.d/01-structure.sh
index 2b55924ba..4d5d8f367 100755
--- a/birdnet-pi/rootfs/etc/cont-init.d/01-structure.sh
+++ b/birdnet-pi/rootfs/etc/cont-init.d/01-structure.sh
@@ -36,14 +36,16 @@ echo "... creating default folders ; it is highly recommended to store those on
 mkdir -p "$BIRDSONGS_FOLDER"/By_Date
 mkdir -p "$BIRDSONGS_FOLDER"/Charts
 
-# Store temporary folders in tmpfs
-echo "... setting StreamData and Processed on tmpfs to reduce disk wear"
-mkdir -p /tmp/StreamData
-mkdir -p /tmp/Processed
-rm -r "$HOME"/BirdSongs/StreamData
-rm -r "$HOME"/BirdSongs/Processed
-sudo -u pi ln -fs /tmp/StreamData "$HOME"/BirdSongs/StreamData
-sudo -u pi ln -fs /tmp/Processed "$HOME"/BirdSongs/Processed
+# If tmpfs is installed, use it
+if df -T /tmp | grep -q "tmpfs"; then
+    echo "... tmpfs detected, using it for StreamData and Processed to reduce disk wear"
+    mkdir -p /tmp/StreamData
+    mkdir -p /tmp/Processed
+    rm -r "$HOME"/BirdSongs/StreamData
+    rm -r "$HOME"/BirdSongs/Processed
+    sudo -u pi ln -fs /tmp/StreamData "$HOME"/BirdSongs/StreamData
+    sudo -u pi ln -fs /tmp/Processed "$HOME"/BirdSongs/Processed
+fi
 
 # Permissions for created files and folders
 echo "... set permissions to user pi"