add find subvol and snap a folder of subvolumes

modules/btrfs.mod

@@ -71,12 +71,30 @@ echo "~ $((subvolumeFolderSize/1024/1024)) GB"
 }
 
 find_subvolumes() {
-sudo /bin/find $1 -maxdepth $2 -type d -exec sh -c '
+  dir=${1:-.}
+  dep=${2:-1}
+  sudo /bin/find "$dir" -maxdepth $dep -type d -exec bash -c '
    for d do
-      sudo btrfs subvolume show "$d" >/dev/null 2>&1 && printf "%s\n" "$d"
+      subv=$(basename $d)
+      sudo btrfs subvolume show "$d" >/dev/null 2>&1 && printf "%s\n" "$subv"
    done' find-sh {} +
 }
 
+folder_snapshot() {
+
+  for sv in $(find_subvolumes $1 1); do
+    if [[ -d $2/$sv ]]; then
+      echo snapshot $sv already exists in $2. You must manually delete target snapshots!
+    else
+      sudo btrfs sub snap $1/$sv $2
+    fi
+  done
+
+}
+
+
+
+
 # sudo find / -type d -exec sh -c '
 #    for d do
 #       btrfs subvolume show "$d" >/dev/null 2>&1 && printf "%s\n" "$d"