Add Hex metadata

Makefile

@@ -34,6 +34,20 @@ AUTO_CI_HIPE ?= OTP-LATEST
 # AUTO_CI_ERLLVM ?= OTP-LATEST
 AUTO_CI_WINDOWS ?= OTP-LATEST-22+
 
+# Hex configuration.
+
+define HEX_TARBALL_EXTRA_METADATA
+#{
+	licenses => [<<"ISC">>],
+	links => #{
+		<<"User guide">> => <<"https://ninenines.eu/docs/en/cowboy/2.9/guide/">>,
+		<<"Function reference">> => <<"https://ninenines.eu/docs/en/cowboy/2.9/manual/">>,
+		<<"GitHub">> => <<"https://github.com/ninenines/cowboy">>,
+		<<"Sponsor">> => <<"https://github.com/sponsors/essen">>
+	}
+}
+endef
+
 # Standard targets.
 
 include erlang.mk
@@ -84,9 +98,11 @@ ci-setup:: clean deps test-deps
 # Prepare for the release.
 
 prepare_tag:
+	$(verbose) $(warning Hex metadata: $(HEX_TARBALL_EXTRA_METADATA))
+	$(verbose) echo
 	$(verbose) echo -n "Most recent tag:            "
-	$(verbose) git tag | tail -n1
-	$(verbose) git verify-tag `git tag | tail -n1`
+	$(verbose) git tag --sort taggerdate | tail -n1
+	$(verbose) git verify-tag `git tag --sort taggerdate | tail -n1`
 	$(verbose) echo -n "MAKEFILE: "
 	$(verbose) grep -m1 PROJECT_VERSION Makefile
 	$(verbose) echo -n "APP:                 "