fix: script rewrite & shell command

roles/restic/templates/resticbackup.sh.j2

@@ -1,10 +1,10 @@
 #!/bin/sh
 
 ## Variable
-RESTIC_PASSWORD="{{ restic_pass }}"
-RESTIC_REPOSITORY="{{ restic_repository }}"
-AWS_ACCESS_KEY_ID="{{ restic_aws_access_key_id }}"
-AWS_SECRET_ACCESS_KEY="{{ restic_aws_secret_access_key }}"
+export RESTIC_PASSWORD="{{ restic_pass }}"
+export RESTIC_REPOSITORY="{{ restic_repository }}"
+export AWS_ACCESS_KEY_ID="{{ restic_aws_access_key_id }}"
+export AWS_SECRET_ACCESS_KEY="{{ restic_aws_secret_access_key }}"
 
 ## lancement de la sauvegarde
 {{ restic_path }} backup --exclude-caches {% for i in restic_backup_excluded_path %} -e {{ i }} {% endfor %} {% for i in restic_backup_path %}{{ i }} {% endfor %}