Backup function fixed if pbzip2 was not installed

helium_helper.sh

@@ -63,8 +63,7 @@ dependency_check () {
     done
 
     if [ -f "$TMP/missingDeps" ] ; then
-        MISSING=$(cat $TMP/missingDeps)
+        echo -e "  ${RED}Following dependencies are missing :\n\n${CRS}$(cat $TMP/missingDeps)\n\n  ${CYN}Please install and re-run script !${CRS}\n"
-        echo -e "  ${RED}Following dependencies are missing :\n\n${CRS}$MISSING\n\n  ${CYN}Please install and re-run script !${CRS}\n"
         exit_clean
     fi
 }
@@ -265,11 +264,11 @@ update_application() {
 
     ### CHECK FOR EMPTY VERSION TAGS
     if [ -z "$APP_SOURCE_VERSION" ] ; then
-        echo -e "\n  ${RED}Empty version tag from ${CYN}$APP_SOURCE${RED}! Can't compare, exiting...${CRS}"
+        echo -e "\n  ${RED}Empty version tag from ${CYN}$APP_SOURCE${RED}! Can't compare, exiting...${CRS}\n"
         exit
 
     elif [ -z "$LOCAL_VERSION" ] ; then
-        echo -e "\n  ${RED}Empty version tag from ${CYN}local AppImage${RED}! Can't compare, exiting...${CRS}"
+        echo -e "\n  ${RED}Empty version tag from ${CYN}local AppImage${RED}! Can't compare, exiting...${CRS}\n"
         exit
     fi
 
@@ -319,7 +318,7 @@ update_application() {
 
 ### BACKUP
 call_backup() {
-    if [ -f $BACKUP_PATH\/$APP_NAME\.$BACKUP_METHOD\.backup_* ] ; then
+    if [ $(ls $BACKUP_PATH\/$APP_NAME\.$BACKUP_METHOD\.backup_* | wc -l) -gt "1" ] ; then
         echo -e "\n  ${CYN}A $BACKUP_METHOD backup already exists!${CRS}\n"
 
         while true ; do
@@ -331,16 +330,18 @@ call_backup() {
 
             elif [[ "$OVERWRITE_BACKUP" == "y" || "$OVERWRITE_BACKUP" == "Y" ]] ; then
                 echo -e "\n  ${YEL}Overwriting backup...${CRS}"
-                rm $BACKUP_PATH/$APP_NAME.$BACKUP_METHOD.backup_*
+                rm -rf $BACKUP_PATH/$APP_NAME.$BACKUP_METHOD.backup_*
+                ${BACKUP_METHOD}_backup
                 break
 
             else
                 echo -e "\n  ${YEL}Invalid response!${CRS}\n"
             fi
         done 
-    fi
     
+    else
         ${BACKUP_METHOD}_backup
+    fi
 }
 
 backup_logger() {
@@ -470,9 +471,9 @@ pack_backup() {
             COMPRESSION_METHOD=("pbzip2" "gzip" "bzip2" "zip")
 
             until [ "$BACKUP_COMPRESSION" ] ; do
-                for COMPRESSION_TYPE in ${COMPRESSION_METHOD[@]} ; do
+                for COMPRESSION_TYPE in "${COMPRESSION_METHOD[@]}" ; do
                     
-                    if [ "$(command -v $COMPRESSION_TYPE) > /dev/null 2>&1" ] ; then
+                    if command -v $COMPRESSION_TYPE > /dev/null 2>&1 ; then
                         BACKUP_COMPRESSION=$COMPRESSION_TYPE
                         break
                     fi
@@ -522,6 +523,27 @@ pack_backup() {
     fi
 }
 
+### RESTORE BACKUP
+restore_backup() {
+    if [ $(ls $BACKUP_PATH\/$APP_NAME\.*.backup_* | wc -l) -gt "1" ] ; then
+        NUMBER=1
+        mkdir -p $TMP/backup_restore
+        CWD=$(pwd)
+        cd $BACKUP_PATH
+        RESTORE_OPTIONS=$(ls -lt $APP_NAME\.*.backup_* | awk '{print $9}')
+
+        for RESTORE_TARGET in ${RESTORE_OPTIONS[@]} ; do
+            echo "$NUMBER - $RESTORE_TARGET" >> $TMP/backup_restore/options
+            NUMBER=$(($NUMBER+1))
+        done
+
+        cd $CWD
+        echo -e "$(cat $TMP/backup_restore/options)"
+        rm -rf $TMP
+    fi
+
+}
+
 ### REMOVE
 remove_application() {
     if [ -d "$INSTALL_PATH" ] ; then
@@ -846,6 +868,7 @@ while getopts ":i,:l,:a,:u,:b,:r,:c,:s,:S,:h" OPTION ; do
 
         h)
             help
+            restore_backup
             exit ;;
 
         *)