mtm-ddwipe

@@ -1,89 +1,82 @@
 #!/bin/bash
 
 declare -r DEV="${1}"
-declare STARTDATE=""
-declare STARTDATESTRING=""
 
 show_help() {
-	echo "ddwipe dev (/dev/sdX)"
+        echo "ddwipe dev (/dev/sdX)"
-	echo ""
+        echo ""
-	echo "Version : 0.0.3"
+        echo "Version : 0.0.3"
 }
 
 check_args() {
-	if [ "${1}" == "" ]; then
+        if [ "${1}" == "" ]; then
-		show_help
+                show_help
-		exit 1
+                exit 1
-	fi
+        fi
 }
 
 check_dev_exist() {
-	if [ ! -e "${1}" ]; then
+        if [ ! -e "${1}" ]; then
-		echo "${1} is missing."
+                echo "${1} is missing."
-		exit 1
+                exit 1
-	fi
+        fi
 }
 
 confirm_wipe() {
-	lsblk "${1}"
+        lsblk "${1}"
-	echo ""
+        echo ""
-	read -r -p "Wipe ${1} (y/[n])?" CHOICE
+        read -r -p "Wipe ${1} (y/[n])?" CHOICE
-	case "${CHOICE}" in 
+        case "${CHOICE}" in 
-		y|Y ) echo "";;
+                y|Y ) echo "";;
-		* )
+                * )
-			echo "Canceled"
+                        echo "Canceled"
-			exit 1
+                        exit 1
-		;;
+                ;;
-	esac
+        esac
 }
 
 wipe_dev() {
-	STARTDATE=$(date +%s)
+        echo "Begin wiping device ${1}"
-	STARTDATESTRING="$(date)"
+        echo ""
-	echo "Begin wiping device ${1}"
+        echo "Start date :"
-	echo ""
+        date
-	echo "Start date :"
+        echo ""
-	echo "${STARTDATESTRING}"
+        echo "blkdiscard secure"
-	echo ""
+        if ! blkdiscard -f -p 1G -s "${1}"; then
-	echo "blkdiscard secure"
+                echo ""
-	if ! blkdiscard -f -p 500M -s -v "${1}"; then
+                echo "blkdiscard zero"
-		echo ""
+                if ! blkdiscard -f -p 1G -z "${1}"; then
-		echo "blkdiscard zero"
+                        echo ""
-		if ! blkdiscard -f -p 500M -z -v "${1}"; then
+                        echo "dd zero"
-			echo ""
+                        if ! dd if=/dev/zero of="${1}" bs=1M status=progress; then
-			echo "dd zero"
+                                # Need check if dd has all writed, if yes, return no error
-			if ! dd if=/dev/zero of="${1}" bs=1M status=progress; then
+                                # echo "Error wiping device ${1}, use phisical destroy !"
-				# Need check if dd has all writed, if yes, return no error
+                                echo "Wiped with dd, check if full size is writed."
-				# echo "Error wiping device ${1}, use phisical destroy !"
+                                echo "Otherwise use a mechanical destruction of the device."
-				echo "Wiped with dd, check if full size is writed."
+                                print_time
-				echo "Otherwise use a mechanical destruction of the device."
+                                exit 1
-				print_time
+                        fi
-				exit 1
+                fi
-			fi
+        fi
-		fi
+        echo ""
-	fi
+        echo "Device ${1} wipped !"
-	echo ""
-	echo "Device ${1} wipped !"
 }
 
 print_time() {
-	echo ""
+        ENDDATE=$(date +%s)
-	echo "Start date :"
+        echo ""
-	echo "${STARTDATESTRING}"
+        echo "End date :"
+        date
 
-	ENDDATE=$(date +%s)
+        CALCTIME=$((ENDDATE-STARTDATE))
-	echo ""
+        echo ""
-	echo "End date :"
+        echo "Total time :"
-	date
+        date -d@${CALCTIME} -u +%H:%M:%S
-
-	CALCTIME=$((ENDDATE-STARTDATE))
-	echo ""
-	echo "Total time :"
-	date -d@${CALCTIME} -u +%H:%M:%S
 }
 
 check_args "${DEV}"
 check_dev_exist "${DEV}"
 confirm_wipe "${DEV}"
+STARTDATE=$(date +%s)
 wipe_dev "${DEV}"
 print_time