repoquery: allow specifying upper-case tags in --queryformat

It unifies behavior with dnf4 and rpm queryformat.

Closes: #861

libdnf5-cli/output/repoqueryformat.cpp

@@ -19,6 +19,7 @@ along with libdnf. If not, see <https://www.gnu.org/licenses/>.
 
 
 #include "fmt/args.h"
+#include "utils/string.hpp"
 
 #include "libdnf5-cli/output/repoquery.hpp"
 
@@ -191,7 +192,7 @@ std::pair<std::vector<Getter>, std::string> parse_queryformat(const std::string
  state = OUTSIDE;
  // To get the name we add/subtract 2 becasue each tag name (after brace expansion) starts with "{{".
  auto getter_name = format.substr(tag_name_start + 2, format_size - tag_name_start - 2);
- auto getter = NAME_TO_GETTER.find(getter_name);
+ auto getter = NAME_TO_GETTER.find(libdnf5::utils::string::tolower(getter_name));
  if (getter != NAME_TO_GETTER.end()) {
  if (replace_tag_in_format(format, format_size, tag_start, tag_name_start)) {
  getters.push_back(getter->second);