Add folder mode, changeable lookback

appdwarf

@@ -1,6 +1,7 @@
 #!/bin/bash
 set -eo pipefail
 IFS=$'\n\t'
+VER=2
 HERE=$(dirname $(readlink -f "${0}"))
 source $HERE/headers
 
@@ -12,7 +13,7 @@ usage(){
 }
 
 dwarf() {
-    mkdwarfs -i "$1" -o "$(basename "$1").sh" -B5 "${@:2}" --header $HEAD
+    mkdwarfs -i "$1" -o "$(basename "$1").sh" -B$back "${@:2}" --header $HEAD
     chmod +x "$(basename "$1").sh"
 }
 
@@ -31,7 +32,12 @@ appimage() {
     fi
 }
 
+
+################################################################
+
 header
+back=5
+
 while true
 do
     case "$1" in
@@ -39,14 +45,24 @@ do
             usage
             exit 0
             ;;
-        --version) 
-            echo "$version"
+        --version | -v) 
+            tput setaf 2
+            echo appdwarf v"$VER"
+            echo Maintained by phantop.
             exit 0
             ;;
         --appimage | -a) 
             appimage "${@:2}"
             exit 0
             ;;
+        --folder | -f) 
+            header_folder $2
+            shift 2
+            ;;
+        --lookback | -b) 
+            back=$2
+            shift 2
+            ;;
         --separate | -s) 
             header_separate
             shift

headers

@@ -17,19 +17,33 @@ EOF
 header() {
     cat > $HEAD << 'EOF'
 #!/bin/sh
-DIR="/tmp/dwarf_$(echo "$0" | md5sum | head -c5)$(basename "$0")"
+DIR="/tmp/dwarf_$(basename "$0")$(echo "$0" | md5sum | head -c5)"
 export APPDWARF_CMD=$(basename "$0")
 
-if [[ -d $DIR ]]; then
-    "$DIR/AppRun" "$@"
-else
+if [[ ! -d $DIR ]]; then
     mkdir "$DIR"
     ARG="-o offset=auto -o tidy_strategy=swap -o workers=4"
     dwarfs $ARG "$0" "$DIR" 2>/dev/null
-    "$DIR/AppRun" "$@"
 fi
+    "$DIR/AppRun" "$@"
 fusermount -qu "$DIR"
-rmdir "$DIR"
+rmdir "$DIR" 2> /dev/null
+exit
+EOF
+}
+
+header_folder() {
+    echo '#!/bin/sh' > $HEAD
+    echo DIR=\"$1\" >> $HEAD
+    cat >> $HEAD << 'EOF'
+if [ ! -d "$DIR" ]; then
+    mkdir "$DIR"
+    ARG="-o offset=auto -o tidy_strategy=swap -o workers=4"
+    dwarfs $ARG "$0" "$DIR" 2>/dev/null
+else
+    fusermount -u "$DIR"
+    rmdir "$DIR"
+fi
 exit
 EOF
 }