Fixed couple bugs and upgraded the scripts

.gitignore

@@ -1 +1,2 @@
 output/
+.env

Makefile

@@ -0,0 +1,7 @@
+all:	
+	echo OK
+backup:
+	bash backup-mysql.sh
+
+cleanup-empty-files:
+	bash cleanup-empty-files.sh

backup-mysql.sh

@@ -2,13 +2,23 @@
 
 USER="root"
 PASSWORD="secretpass"
-GZIP="1"
+GZIP_ENABLED="1"
 OUTPUT_DIR="./output"
 HOSTNAME="127.0.0.1"
 
 USE_PASSWORD="0"
 USE_HOSTNAME="0"
 
+# automatically export all variables
+set -a 
+source .env
+set +a
+
+if [ "${DEBUG}" -gt "0" ]
+then
+	set -x
+fi
+
 PASSWORD_OPTIONS="-p${PASSWORD}"
 HOST_OPTIONS="-h ${HOSTNAME}"
 
@@ -32,7 +42,7 @@ for db in ${databases}; do
 	mkdir -vp "${DUMP_DIR}"
 
         echo "Dumping database: ${db} into: ${DUMP_FILENAME}"
-	if [ "${GZIP}" -gt "0" ]
+	if [ "${GZIP_ENABLED}" -gt "0" ]
 	then
 	        mysqldump ${HOST_OPTIONS} -u ${USER} ${PASSWORD_OPTIONS} --default-character-set=utf8mb4 --routines=true --triggers=true --databases ${db} | gzip > "${DUMP_FILENAME}.gz"
  	else
@@ -40,3 +50,5 @@ for db in ${databases}; do
 	fi
     fi
 done
+
+set +x

cleanup-empty-files.sh

@@ -0,0 +1,24 @@
+#!/usr/bin/env bash
+
+USER="root"
+PASSWORD="secretpass"
+GZIP_ENABLED="1"
+OUTPUT_DIR="./output"
+HOSTNAME="127.0.0.1"
+
+USE_PASSWORD="0"
+USE_HOSTNAME="0"
+
+# automatically export all variables
+set -a 
+source .env
+set +a
+
+if [ "${DEBUG}" -gt "0" ]
+then
+	set -x
+fi
+
+find "${OUTPUT_DIR}" -type f -size 0 -exec rm -v {} \;
+
+set +x

restore-mysql.sh

@@ -4,10 +4,20 @@ USER="root"
 PASSWORD="secretpass"
 OUTPUT_DIR="./output"
 HOSTNAME="127.0.0.1"
+GZIP_ENABLED="1"
 
 USE_PASSWORD="0"
 USE_HOSTNAME="0"
 
+set -a # automatically export all variables
+source .env
+set +a
+
+if [ "${DEBUG}" -gt "0" ]
+then
+	        set -x
+fi
+
 PASSWORD_OPTIONS="-p${PASSWORD}"
 HOST_OPTIONS="-h ${HOSTNAME}"
 
@@ -34,16 +44,16 @@ for db in ${databases}; do
 	file "${DUMP_FILENAME}" | grep "gzip compressed data" >/dev/null
 	if [ "$?" -eq "0" ]
 	then
-		GZIP="1"
+		GZIP_ENABLED="1"
 	else
-		GZIP="0"
+		GZIP_ENABLED="0"
 	fi
         echo "Restoring database: ${db} from: ${DUMP_FILENAME}"
 	echo "Trying to create the DB:"
 	mysql ${HOST_OPTIONS} -u ${USER} ${PASSWORD_OPTIONS} --default-character-set=utf8mb4 -e "CREATE DATABASE ${db} CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;"
 
 	echo "Restoring DB from backup file"
-	if [ "${GZIP}" -gt "0" ]
+	if [ "${GZIP_ENABLED}" -gt "0" ]
 	then
 	        gunzip "${DUMP_FILENAME}" | mysql ${HOST_OPTIONS} -u ${USER} ${PASSWORD_OPTIONS} --default-character-set=utf8mb4 ${db}
  	else
@@ -51,3 +61,5 @@ for db in ${databases}; do
 	fi
     fi
 done
+
+set +x