Use printenf for fetching MYSQL_ROOT_PASSWD

Author: mblaschke

bin/backup.sh

@@ -26,7 +26,7 @@ case "$1" in
             fi
 
             logMsg "Starting MySQL backup..."
-            MYSQL_ROOT_PASSWORD=$(dockerExecMySQL bash -c 'printf $MYSQL_ROOT_PASSWORD')
+            MYSQL_ROOT_PASSWORD=$(dockerExecMySQL printenv MYSQL_ROOT_PASSWORD)
             dockerExecMySQL mysqldump -h mysql -u root -p"${MYSQL_ROOT_PASSWORD}" --opt --single-transaction --events --all-databases --routines --comments | bzip2 > "${BACKUP_DIR}/${BACKUP_MYSQL_FILE}"
             logMsg "Finished"
         else

bin/restore.sh

@@ -22,7 +22,7 @@ case "$1" in
         if [[ -n "$(dockerContainerId mysql)" ]]; then
             if [ -f "${BACKUP_DIR}/${BACKUP_MYSQL_FILE}" ]; then
                 logMsg "Starting MySQL restore..."
-                MYSQL_ROOT_PASSWORD=$(dockerExecMySQL bash -c 'printf $MYSQL_ROOT_PASSWORD')
+                MYSQL_ROOT_PASSWORD=$(dockerExecMySQL printenv MYSQL_ROOT_PASSWORD)
                 bzcat "${BACKUP_DIR}/${BACKUP_MYSQL_FILE}" | dockerExecMySQL mysql -h mysql -u root -p"${MYSQL_ROOT_PASSWORD}"
                 echo "FLUSH PRIVILEGES;" | dockerExec mysql -h mysql -u root -p"${MYSQL_ROOT_PASSWORD}"
                 logMsg "Finished"