un-nest curl

curl-8.15.0/docs/cmdline-opts/aws-sigv4.md

@@ -0,0 +1,30 @@
+---
+c: Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
+SPDX-License-Identifier: curl
+Long: aws-sigv4
+Protocols: HTTP
+Arg: <provider1[:prvdr2[:reg[:srv]]]>
+Help: AWS V4 signature auth
+Category: auth http
+Added: 7.75.0
+Multi: single
+See-also:
+  - basic
+  - user
+Example:
+  - --aws-sigv4 "aws:amz:us-east-2:es" --user "key:secret" $URL
+---
+
+# `--aws-sigv4`
+
+Use AWS V4 signature authentication in the transfer.
+
+The provider argument is a string that is used by the algorithm when creating
+outgoing authentication headers.
+
+The region argument is a string that points to a geographic area of
+a resources collection (region-code) when the region name is omitted from
+the endpoint.
+
+The service argument is a string that points to a function provided by a cloud
+(service-code) when the service name is omitted from the endpoint.