artifacts: include the artifact maps info (debs/packages) both as keys and values in the artifact JSON info

- this is valuable for the debs-to-repo process; we can now know which exact .debs are produced, and all the ways we can refer to them

lib/functions/artifacts/artifacts-obtain.sh

@@ -109,11 +109,20 @@ function obtain_complete_artifact() {
 		[[ "${artifact_version}" =~ ^${artifact_prefix_version} ]] || exit_with_error "artifact_version '${artifact_version}' does not begin with artifact_prefix_version '${artifact_prefix_version}'"
 	fi
 
+	declare -a artifact_map_debs_values=() artifact_map_packages_values=() artifact_map_debs_keys=() artifact_map_packages_keys=()
+
 	# validate artifact_type... it must be one of the supported types
 	case "${artifact_type}" in
 		deb | deb-tar)
 			# validate artifact_version begins with a digit
 			[[ "${artifact_version}" =~ ^[0-9] ]] || exit_with_error "${artifact_type}: artifact_version '${artifact_version}' does not begin with a digit"
+
+			# grab the the deb maps, and add them to plain arrays.
+			artifact_map_debs_keys=("${!artifact_map_debs[@]}")
+			artifact_map_debs_values=("${artifact_map_debs[@]}")
+			artifact_map_packages_keys=("${!artifact_map_packages[@]}")
+			artifact_map_packages_values=("${artifact_map_packages[@]}")
+
 			;;
 		tar.zst)
 			: # valid, no restrictions on tar.zst versioning
@@ -171,12 +180,26 @@ function obtain_complete_artifact() {
 			artifact_final_file_basename
 			artifact_file_relative
 			artifact_full_oci_target
+
+			# arrays
+			artifact_map_debs_keys
+			artifact_map_debs_values
+			artifact_map_packages_keys
+			artifact_map_packages_values
 		)
 
 		declare -A ARTIFACTS_VAR_DICT=()
 
 		for var in "${wanted_vars[@]}"; do
-			ARTIFACTS_VAR_DICT["${var}"]="$(declare -p "${var}")"
+			declare declaration=""
+			declaration="$(declare -p "${var}")"
+			# Special handling for arrays. Syntax is not pretty, but works.
+			if [[ "${declaration}" =~ "declare -a" ]]; then
+				eval "declare ${var}_ARRAY=\"\${${var}[*]}\""
+				ARTIFACTS_VAR_DICT["${var}_ARRAY"]="$(declare -p "${var}_ARRAY")"
+			else
+				ARTIFACTS_VAR_DICT["${var}"]="${declaration}"
+			fi
 		done
 
 		display_alert "Dumping JSON" "for ${#ARTIFACTS_VAR_DICT[@]} variables" "ext"