diff --git a/states/kopia/templates/kopia_backup.py.j2 b/states/kopia/templates/kopia_backup.py.j2
index 4f0d0ee..94d8ba8 100644
--- a/states/kopia/templates/kopia_backup.py.j2
+++ b/states/kopia/templates/kopia_backup.py.j2
@@ -21,88 +21,92 @@ parser = argparse.ArgumentParser(prog='{{ name }} backup')
 
 
 def init(mode="filesystem", path=None, bucket=None, prefix=None, gateway=None, region=None, ak=None, sak=None):
-  if mode == "filesystem" and path:
-    repo_connect = Popen(f"kopia repository connect filesystem --config-file={KOPIA_CONFIG_PATH} --path={path} -p {KOPIA_PASSWORD}", shell=True, stdout=PIPE, stderr=PIPE)
-    repo_create = Popen(f"kopia repository create filesystem --config-file={KOPIA_CONFIG_PATH} --path={path} -p {KOPIA_PASSWORD}" , shell=True, stdout=PIPE, stderr=PIPE)
-  elif mode == "s3" and prefix and gateway and region and ak and sak:
-    cmd_create = f"kopia repository create s3 --config-file={KOPIA_CONFIG_PATH} --bucket={bucket} --prefix={prefix}/ --endpoint={gateway} --region={region} --access-key={ak} --secret-access-key={sak} -p {KOPIA_PASSWORD} --no-check-for-updates --description='{{ name }} repository'"
-    cmd_connect = f"kopia repository connect s3 --config-file={KOPIA_CONFIG_PATH} --bucket={bucket} --prefix={prefix}/ --endpoint={gateway} --region={region} --access-key={ak} --secret-access-key={sak} -p {KOPIA_PASSWORD} --no-check-for-updates --description='{{ name }} repository'"
-    run_create = Popen(cmd_create, shell=True, stdout=PIPE, stderr=PIPE)
-    run_create.wait()
-    if run_create.returncode == 0:
-      print("successfully created repository")
-    run_connect = Popen(cmd_connect, shell=True, stdout=PIPE, stderr=PIPE)
-    run_connect.wait()
-    if run_connect.returncode == 0:
-      print("successfully connected to repository")
-  else:
-    print("no valid mode or missing informations")
-    return None
-  return True
+    if mode == "filesystem" and path:
+        repo_connect = Popen(f"kopia repository connect filesystem --config-file={KOPIA_CONFIG_PATH} --path={path} -p {KOPIA_PASSWORD}", shell=True, stdout=PIPE, stderr=PIPE)
+        repo_create = Popen(f"kopia repository create filesystem --config-file={KOPIA_CONFIG_PATH} --path={path} -p {KOPIA_PASSWORD}" , shell=True, stdout=PIPE, stderr=PIPE)
+    elif mode == "s3" and prefix and gateway and region and ak and sak:
+        cmd_create = f"kopia repository create s3 --config-file={KOPIA_CONFIG_PATH} --bucket={bucket} --prefix={prefix}/ --endpoint={gateway} --region={region} --access-key={ak} --secret-access-key={sak} -p {KOPIA_PASSWORD} --no-check-for-updates --description='{{ name }} repository'"
+        cmd_connect = f"kopia repository connect s3 --config-file={KOPIA_CONFIG_PATH} --bucket={bucket} --prefix={prefix}/ --endpoint={gateway} --region={region} --access-key={ak} --secret-access-key={sak} -p {KOPIA_PASSWORD} --no-check-for-updates --description='{{ name }} repository'"
+        run_create = Popen(cmd_create, shell=True, stdout=PIPE, stderr=PIPE)
+        run_create.wait()
+        if run_create.returncode == 0:
+            print("successfully created repository")
+        run_connect = Popen(cmd_connect, shell=True, stdout=PIPE, stderr=PIPE)
+        run_connect.wait()
+        if run_connect.returncode == 0:
+            print("successfully connected to repository")
+    else:
+        print("no valid mode or missing informations")
+        return None
+    return True
 
 
 def set_policy(compression="zstd"):
-  cmd_policy = f"kopia policy set --global --config-file={KOPIA_CONFIG_PATH} --compression={compression} --keep-latest={{ params.keep_latest|default(7) }} --keep-hourly 0 --keep-daily {{ params.keep_daily|default(7) }} --keep-weekly {{ params.keep_weekly|default(4) }} --keep-monthly {{ params.keep_monthly|default(6) }} --keep-annual 0 --one-file-system=true"
-  run_policy = Popen(cmd_policy, shell=True, stdout=PIPE, stderr=PIPE)
-  run_policy.wait()
-  if run_policy.returncode == 0:
-    print("successfully set repository policy")
-  return run_policy.returncode == 0
+    cmd_policy = f"kopia policy set --global --config-file={KOPIA_CONFIG_PATH} --compression={compression} --keep-latest={{ params.keep_latest|default(7) }} --keep-hourly 0 --keep-daily {{ params.keep_daily|default(7) }} --keep-weekly {{ params.keep_weekly|default(4) }} --keep-monthly {{ params.keep_monthly|default(6) }} --keep-annual 0 --one-file-system=true"
+    run_policy = Popen(cmd_policy, shell=True, stdout=PIPE, stderr=PIPE)
+    run_policy.wait()
+    if run_policy.returncode == 0:
+        print("successfully set repository policy")
+    return run_policy.returncode == 0
 
 
 def set_cache():
-  rcs = []
-  cmds_cache = [f"kopia cache set --content-cache-size-mb 1000 --config-file={KOPIA_CONFIG_PATH}",
-                f"kopia cache set --content-cache-size-limit-mb 2000 --config-file={KOPIA_CONFIG_PATH}"]
-  for cmd_cache in cmds_cache:
-    run_cache = Popen(cmd_cache, shell=True, stdout=PIPE, stderr=PIPE)
-    run_cache.wait()
-    rcs.append(run_cache.returncode == 0)
-  if all(rcs):
-    print("successfully set cache policy")
-  return all(rcs)
+    rcs = []
+    cmds_cache = [f"kopia cache set --content-cache-size-mb 1000 --config-file={KOPIA_CONFIG_PATH}",
+                                f"kopia cache set --content-cache-size-limit-mb 2000 --config-file={KOPIA_CONFIG_PATH}"]
+    for cmd_cache in cmds_cache:
+        run_cache = Popen(cmd_cache, shell=True, stdout=PIPE, stderr=PIPE)
+        run_cache.wait()
+        rcs.append(run_cache.returncode == 0)
+    if all(rcs):
+        print("successfully set cache policy")
+    return all(rcs)
 
 
 def run(before_tasks=[]):
-  rcs = []
-  for cmd_task in before_tasks:
-    run_task = Popen(cmd_task, shell=True)
-    run_task.wait()
-    rcs.append(run_task.returncode == 0)
-  if not all(rcs):
-    return False
+    rcs = []
+    for cmd_task in before_tasks:
+        run_task = Popen(cmd_task, shell=True)
+        run_task.wait()
+        rcs.append(run_task.returncode == 0)
+    if not all(rcs):
+        return False
 
-  cmd_launch = f"kopia snapshot create {{ params.dirs|map(attribute='path')|join(' ') }} --config-file={KOPIA_CONFIG_PATH}"
-  run_launch = Popen(cmd_launch, shell=True)
-  run_launch.wait()
-  return run_launch.returncode == 0
+    cmd_launch = f"kopia snapshot create {{ params.dirs|map(attribute='path')|join(' ') }} --config-file={KOPIA_CONFIG_PATH}"
+    run_launch = Popen(cmd_launch, shell=True)
+    run_launch.wait()
+    return run_launch.returncode == 0
 
 
 def list_snapshots():
-  cmd_list = f"kopia snapshot list --config-file={KOPIA_CONFIG_PATH}"
-  run_list = Popen(cmd_list, shell=True)
-  run_list.wait()
-  return run_list.returncode == 0
+    cmd_list = f"kopia snapshot list --config-file={KOPIA_CONFIG_PATH}"
+    run_list = Popen(cmd_list, shell=True)
+    run_list.wait()
+    return run_list.returncode == 0
 
 
 if __name__ == "__main__":
-  parser.add_argument('action', nargs="?")
-  args = parser.parse_args()
+    parser.add_argument('action', nargs="?")
+    args = parser.parse_args()
 
-  res_init = init(mode="s3", bucket="kopia", prefix="{{ name }}", gateway="{{ kopia.repos[params.repo].gateway|default('gateway.storjshare.io') }}", region="{{ kopia.repos[params.repo].region|default('EU1') }}", ak="{{ kopia.repos[params.repo].ak }}", sak="{{ kopia.repos[params.repo].sak }}")
-  if not res_init:
-    print("init error")
-    sys.exit(1)
+    res_init = init(mode="s3", bucket="kopia", prefix="{{ name }}", gateway="{{ kopia.repos[params.repo].gateway|default('gateway.storjshare.io') }}", region="{{ kopia.repos[params.repo].region|default('EU1') }}", ak="{{ kopia.repos[params.repo].ak }}", sak="{{ kopia.repos[params.repo].sak }}")
+    if not res_init:
+        print("init error")
+        sys.exit(1)
 
-  if args.action == "run":
-    if not set_policy():
-      print("set policy error")
-      sys.exit(1)
-    if not set_cache():
-      print("set cache error")
-      sys.exit(1)
-    if not run(before_tasks={{ params.before_tasks|default([]) }}):
-      print("run error")
-      sys.exit(1)
-  else:
-    list_snapshots()
+    if args.action == "run":
+        if not set_policy():
+            print("set policy error")
+            sys.exit(1)
+        if not set_cache():
+            print("set cache error")
+            sys.exit(1)
+        if not run(before_tasks={{ params.before_tasks|default([]) }}):
+            print("run error")
+            sys.exit(1)
+    elif args.action == "env":
+        print();print("# source this to use kopia with this repo")
+        for k,v in ENV.items():
+            print(f"export {k}=\"{v}\"")
+    else:
+        list_snapshots()