Merge pull request #45 from Akianonymus/fix

Add -d | --skip-duplicates flag | Fix #44 | script improvements: Use curly braces, cleanup code

README.md

@@ -161,6 +161,11 @@ Other Options available are
 
     -o | --overwrite - Overwrite the files with the same name, if present in the root folder/input folder, also works with recursive folders and single/multiple files.
 
+        Note :
+          If you use this flag along with -d/--skip-duplicates, the skip duplicates flag is preferred.
+
+    -d | --skip-duplicates - Do not upload the files with the same name, if already present in the root folder/input folder, also works with recursive folders.
+
     -f | --[file/folder] - Specify files and folders explicitly in one command, use multiple times for multiple folder/files.   
 
         For uploading multiple input into the same folder:

google-oauth2.sh

@@ -15,40 +15,40 @@ No valid arguments provided.
 Usage:
 
  ./%s create - authenticates a user.
- ./%s refresh - gets a new access token.\n" "$0" "$0"
+ ./%s refresh - gets a new access token.\n" "${0}" "${0}"
     exit 0
 }
 
-[[ $1 = create ]] || [[ $1 = refresh ]] || shortHelp
+[[ ${1} = create ]] || [[ ${1} = refresh ]] || shortHelp
 
 # Move cursor to nth no. of line and clear it to the begining.
 clearLine() {
-    printf "\033[%sA\033[2K" "$1"
+    printf "\033[%sA\033[2K" "${1}"
 }
 
 # Method to extract data from json response.
 # Usage: jsonValue key < json ( or use with a pipe output ).
 jsonValue() {
     [[ $# = 0 ]] && printf "%s: Missing arguments\n" "${FUNCNAME[0]}" && return 1
     declare LC_ALL=C num="${2:-1}"
-    grep -o "\"""$1""\"\:.*" | sed -e "s/.*\"""$1""\": //" -e 's/[",]*$//' -e 's/["]*$//' -e 's/[,]*$//' -e "s/\"//" -n -e "${num}"p
+    grep -o "\"""${1}""\"\:.*" | sed -e "s/.*\"""${1}""\": //" -e 's/[",]*$//' -e 's/["]*$//' -e 's/[,]*$//' -e "s/\"//" -n -e "${num}"p
 }
 
 # Update Config. Incase of old value, update, for new value add.
 # Usage: updateConfig valuename value configpath
 updateConfig() {
     [[ $# -lt 3 ]] && printf "%s: Missing arguments\n" "${FUNCNAME[0]}" && return 1
-    declare VALUE_NAME="$1" VALUE="$2" CONFIG_PATH="$3" FINAL=()
+    declare VALUE_NAME="${1}" VALUE="${2}" CONFIG_PATH="${3}" FINAL=()
     declare -A Aseen
-    printf "" >> "$CONFIG_PATH" # If config file doesn't exist.
-    mapfile -t VALUES < "$CONFIG_PATH" && VALUES+=("$VALUE_NAME=$VALUE")
+    printf "" >> "${CONFIG_PATH}" # If config file doesn't exist.
+    mapfile -t VALUES < "${CONFIG_PATH}" && VALUES+=("${VALUE_NAME}=${VALUE}")
     for i in "${VALUES[@]}"; do
-        [[ $i =~ $VALUE_NAME\= ]] && FINAL+=("$VALUE_NAME=\"$VALUE\"") || FINAL+=("$i")
+        [[ ${i} =~ ${VALUE_NAME}\= ]] && FINAL+=("${VALUE_NAME}=\"${VALUE}\"") || FINAL+=("${i}")
     done
     for i in "${FINAL[@]}"; do
-        [[ ${Aseen[$i]} ]] && continue
-        printf "%s\n" "$i" && Aseen[$i]=x
-    done >| "$CONFIG_PATH"
+        [[ ${Aseen[${i}]} ]] && continue
+        printf "%s\n" "${i}" && Aseen[${i}]=x
+    done >| "${CONFIG_PATH}"
 }
 
 printf "Starting script..\n"
@@ -60,48 +60,48 @@ REDIRECT_URI="urn:ietf:wg:oauth:2.0:oob"
 TOKEN_URL="https://accounts.google.com/o/oauth2/token"
 
 # shellcheck source=/dev/null
-[[ -f $HOME/.googledrive.conf ]] && source "$HOME"/.googledrive.conf
+[[ -f ${HOME}/.googledrive.conf ]] && source "${HOME}"/.googledrive.conf
 
 printf "Checking credentials..\n"
 
 # Credentials
-if [[ -z $CLIENT_ID ]]; then
+if [[ -z ${CLIENT_ID} ]]; then
     read -r -p "Client ID: " CLIENT_ID
-    updateConfig CLIENT_ID "$CLIENT_ID" "$HOME"/.googledrive.conf
+    updateConfig CLIENT_ID "${CLIENT_ID}" "${HOME}"/.googledrive.conf
 fi
-if [[ -z $CLIENT_SECRET ]]; then
+if [[ -z ${CLIENT_SECRET} ]]; then
     read -r -p "Client Secret: " CLIENT_SECRET
-    updateConfig CLIENT_SECRET "$CLIENT_SECRET" "$HOME"/.googledrive.conf
+    updateConfig CLIENT_SECRET "${CLIENT_SECRET}" "${HOME}"/.googledrive.conf
 fi
 
 for _ in {1..2}; do clearLine 1; done
 printf "Required credentials set.\n"
 
-if [[ $1 = create ]]; then
+if [[ ${1} = create ]]; then
     printf "Visit the below URL, tap on allow and then enter the code obtained:\n"
-    URL="https://accounts.google.com/o/oauth2/auth?client_id=$CLIENT_ID&redirect_uri=$REDIRECT_URI&scope=$SCOPE&response_type=code&prompt=consent"
-    printf "%s\n\n" "$URL"
+    URL="https://accounts.google.com/o/oauth2/auth?client_id=${CLIENT_ID}&redirect_uri=${REDIRECT_URI}&scope=${SCOPE}&response_type=code&prompt=consent"
+    printf "%s\n\n" "${URL}"
     read -r -p "Enter the authorization code: " CODE
 
     CODE="${CODE//[[:space:]]/}"
-    if [[ -n $CODE ]]; then
-        RESPONSE="$(curl --compressed -s -X POST --data "client_id=$CLIENT_ID&client_secret=$CLIENT_SECRET&refresh_token=$REFRESH_TOKEN&grant_type=refresh_token" $TOKEN_URL)"
+    if [[ -n ${CODE} ]]; then
+        RESPONSE="$(curl --compressed -s -X POST --data "client_id=${CLIENT_ID}&client_secret=${CLIENT_SECRET}&refresh_token=${REFRESH_TOKEN}&grant_type=refresh_token" ${TOKEN_URL})"
 
-        ACCESS_TOKEN="$(jsonValue access_token <<< "$RESPONSE")"
-        REFRESH_TOKEN="$(jsonValue refresh_token <<< "$RESPONSE")"
+        ACCESS_TOKEN="$(jsonValue access_token <<< "${RESPONSE}")"
+        REFRESH_TOKEN="$(jsonValue refresh_token <<< "${RESPONSE}")"
 
-        printf "Access Token: %s\n" "$ACCESS_TOKEN"
-        printf "Refresh Token: %s\n" "$REFRESH_TOKEN"
+        printf "Access Token: %s\n" "${ACCESS_TOKEN}"
+        printf "Refresh Token: %s\n" "${REFRESH_TOKEN}"
     else
         printf "\nNo code provided, run the script and try again.\n"
         exit 1
     fi
-elif [[ $1 = refresh ]]; then
-    if [[ -n $REFRESH_TOKEN ]]; then
-        RESPONSE="$(curl --compressed -s -X POST --data "client_id=$CLIENT_ID&client_secret=$CLIENT_SECRET&refresh_token=$REFRESH_TOKEN&grant_type=refresh_token" $TOKEN_URL)"
-        ACCESS_TOKEN="$(echo "$RESPONSE" | jsonValue access_token)"
-        printf "Access Token: %s\n" "$ACCESS_TOKEN"
+elif [[ ${1} = refresh ]]; then
+    if [[ -n ${REFRESH_TOKEN} ]]; then
+        RESPONSE="$(curl --compressed -s -X POST --data "client_id=${CLIENT_ID}&client_secret=${CLIENT_SECRET}&refresh_token=${REFRESH_TOKEN}&grant_type=refresh_token" ${TOKEN_URL})"
+        ACCESS_TOKEN="$(echo "${RESPONSE}" | jsonValue access_token)"
+        printf "Access Token: %s\n" "${ACCESS_TOKEN}"
     else
-        printf "Refresh Token not set, use %s create to generate one.\n" "$0"
+        printf "Refresh Token not set, use %s create to generate one.\n" "${0}"
     fi
 fi