Prepared for options; Updated Version comparasing

helium_helper.sh

@@ -9,17 +9,21 @@ RED="\e[0;31m"
 GRN="\e[0;32m"
 CRS="\e[0m"
 
-## FOLDER & GLOBAL VARIABLES
+## LOCATIONS
-SCRIPT_VERSION="0.4"
 mkdir -p /tmp/Helium
 TMP=/tmp/Helium
 INSTALL_PATH=$HOME/.apps/Helium
-PROFILE=$HOME/.profile
+#PROFILE=$HOME/.profile     ### for AUTO UPDATE
-MISSING=$(cat $TMP/missingDeps 2>/dev/null)
+
+## GLOBAL VARIABLES
+SCRIPT_NAME="Helium Helper"
+SCRIPT_VERSION="0.4"
 DEPENDENCIES=("curl" "wget")
+MISSING=$(cat $TMP/missingDeps 2>/dev/null)
 GIT_VERSION=$(curl -s https://api.github.com/repos/imputnet/helium-linux/releases/latest | grep "tag_name" | tr -d \", | awk '{print $2}')
 
-### SCRIPT DEPENDENCIES
+## FUNCTIONS
+### DEPENDENCIES
 dependency_check() { 
     local PACKAGE="$1"
 
@@ -32,22 +36,7 @@ dependency_check() {
     fi
 }
 
-for PACKAGE in "${DEPENDENCIES[@]}" ; do
+### INSTALL
-    dependency_check "$PACKAGE"
-
-done
-
-if ! [ "$MISSING" ] ; then
-    :
-
-else
-    echo -e "\n  ${RED}Following dependencies are missing :\n\n${YEL}$MISSING\n\n  ${CYN}Please install and re-run script !${CRS}"
-    rm $TMP/missingDeps
-    exit 1
-
-fi
-
-## CHECK LOCAL INSTALL
 install_helium() {
 
     while true ; do
@@ -76,20 +65,7 @@ install_helium() {
     done
 }
 
-if ! [ -d "$INSTALL_PATH" ] ; then
+### UPDATE
-    echo -e "\n  ${RED}Helium directory not found !${CRS}"
-    install_helium
-
-elif ! [ -f "$INSTALL_PATH/helium-browser.AppImage" ] ; then
-    echo -e "\n  ${RED}Helium directory found but no executable named ${CYN}helium-browser.AppImage ${RED}!${CRS}"
-    install_helium
-
-else 
-    :
-
-fi
-
-## COMPARE 
 update_helium() {
 
     while true ; do
@@ -118,9 +94,65 @@ update_helium() {
     done
 }
 
+### VERSION
+version() {
+    echo -e "  ${CYN}Script Version :\t${GRN}${SCRIPT_VERSION}${CRS}"
+}
+
+### HELP
+help() {
+    echo
+    echo -e "${CYN}${SCRIPT_NAME}${CRS}"
+    echo
+    echo -e "Description of scripts purpose and/or function"
+    echo
+    echo -e "Syntax: script_name.sh [-h|-i|-V|-v]"
+    echo
+    echo -e "Options:"
+    echo
+    echo -e "\t-h\tPrint this help page."
+    echo -e "\t-i\tInstall something."
+    echo -e "\t-V\tShow script version."
+    echo -e "\t-v\tVerbose mode."
+    echo
+}
+
+########## MAIN ##########
+
+## DEPENDENCY CHECK
+for PACKAGE in "${DEPENDENCIES[@]}" ; do
+    dependency_check "$PACKAGE"
+
+done
+
+if ! [ "$MISSING" ] ; then
+    :
+
+else
+    echo -e "\n  ${RED}Following dependencies are missing :\n\n${YEL}$MISSING\n\n  ${CYN}Please install and re-run script !${CRS}"
+    rm $TMP/missingDeps
+    exit 1
+
+fi
+
+## CHECK FOR LOCAL INSTALL
+if ! [ -d "$INSTALL_PATH" ] ; then
+    echo -e "\n  ${RED}Helium directory not found !${CRS}"
+    install_helium
+
+elif ! [ -f "$INSTALL_PATH/helium-browser.AppImage" ] ; then
+    echo -e "\n  ${RED}Helium directory found but no executable named ${CYN}helium-browser.AppImage ${RED}!${CRS}"
+    install_helium
+
+else 
+    :
+
+fi
+
+## UPDATE 
 LOCAL_VERSION=$($INSTALL_PATH/helium-browser.AppImage --version | awk '{print $2}')
 
-### CHECK FROM EMPTY VERSION TAGS
+### CHECK FOR EMPTY VERSION TAGS
 if [ -z "$GIT_VERSION" ] ; then
     echo -e "\n  ${RED}Empty version tag from ${CYN}GitHub ${RED}! Can't compare, exiting ...${CRS}"
     exit 1
@@ -134,15 +166,26 @@ else
 
 fi
 
+### COMPARE LOCAL & REMOTE VERSION
+LOCAL_VERSION_NUM=$(echo $LOCAL_VERSION | tr -d .)
+GIT_VERSION_NUM=$(echo $GIT_VERSION | tr -d .)
+
 if [ "$GIT_VERSION" == "$LOCAL_VERSION" ] ; then
     echo -e "\n  ${GRN}Helium is up-to-date !${CRS}\n"
 
-else
+elif [ "$GIT_VERSION_NUM" -gt "$LOCAL_VERSION_NUM" ] ; then
     echo -e "\n  ${RED}Helium is updatable !${CRS}\n"
-    echo -e "  ${CYN}Local Version :    ${CRS}${LOCAL_VERSION}"
+    echo -e "  ${CYN}Local Version :\t${CRS}${LOCAL_VERSION}"
-    echo -e "  ${CYN}GitHub Version :   ${CRS}${GIT_VERSION}\n"
+    echo -e "  ${CYN}GitHub Version :\t${CRS}${GIT_VERSION}\n"
     update_helium
 
+else
+    echo -e "\n  ${RED}Version tags malformed or you are using a Beta version !${CRS}\n"
+    echo -e "  ${CYN}Local Version :\t${CRS}${LOCAL_VERSION}"
+    echo -e "  ${CYN}GitHub Version :\t${CRS}${GIT_VERSION}\n"
+    echo -e "  ${RED}Update failed ... Exiting ...${CRS}\n"
+    exit 1
+    
 fi
 
 rm -rf $TMP