Add support to ignoring snapshots on filesystems other than btrfs

timeshift-autosnap

 #!/bin/bash
 #author: gobonja
+#Modified by Matti Hyttinen
 
 [ $(findmnt / -no fstype) == "overlay" ] && { echo "==> skipping timeshift-autosnap because system is booted in Live CD mode..."; exit 0; }
-
 [[ -v SKIP_AUTOSNAP ]] && { echo "==> skipping timeshift-autosnap due SKIP_AUTOSNAP environment variable being set."; exit 0; }
 
 readonly CONF_FILE=/etc/timeshift-autosnap.conf
@@ -33,6 +33,10 @@ if $(get_property "skipAutosnap" "boolean" "false") ; then
     echo "==> skipping timeshift-autosnap due skipAutosnap in $CONF_FILE set to TRUE." >&2; exit 0;
 fi
 
+if $(get_property "skipRsyncAutosnap" "boolean" "false") && ! [ $(findmnt / -no fstype) == "btrfs" ] ; then
+    echo "==> skipping timeshift-autosnap due skipRsyncAutosnap in $CONF_FILE set to TRUE." >&2; exit 0;
+fi
+
 readonly SNAPSHOT_DESCRIPTION=$(get_property "snapshotDescription" "string" "{timeshift-autosnap} {created before upgrade}")
 
 timeshift --create --comments "$SNAPSHOT_DESCRIPTION" || { echo "Unable to run timeshift-autosnap! Please close Timeshift and try again. Script will now exit..." >&2; exit 1; }

timeshift-autosnap.conf

@@ -6,6 +6,10 @@
 # Default value is false.
 skipAutosnap=false
 
+# skipRsyncAutosnap defines if timeshift-autosnap execution should be skipped on filesystems other than btrfs.
+# Default value is true.
+skipRsyncAutosnap=true
+
 # deleteSnapshots defines if old snapshots should be deleted.
 # Default value is true.
 deleteSnapshots=true