builddep: Escape glob characters in pkg specs

Not parsing the pkg specs as globs would require an ABI-breaking change
(rpm-software-management#1085). A
workaround that doesn't involve breaking changes is to escape the glob
characters in the pkg specs.

Related: rpm-software-management/mock#1267
Resolves rpm-software-management#1084

dnf5-plugins/builddep_plugin/builddep.cpp

@@ -217,6 +217,16 @@ bool BuildDepCommand::add_from_pkg(
     }
 }
 
+std::string escape_glob(const std::string & in) {
+    // Escape fnmatch glob characters in a string
+    std::string out = std::regex_replace(in, std::regex("\\\\"), "\\\\");
+    out = std::regex_replace(out, std::regex("\\["), "\\[");
+    out = std::regex_replace(out, std::regex("\\]"), "\\]");
+    out = std::regex_replace(out, std::regex("\\*"), "\\*");
+    out = std::regex_replace(out, std::regex("\\?"), "\\?");
+    return out;
+}
+
 void BuildDepCommand::run() {
     // get build dependencies from various inputs
     std::set<std::string> install_specs{};
@@ -272,7 +282,8 @@ void BuildDepCommand::run() {
             // we do not download filelists and some files could be explicitly mentioned in provide section. The best
             // solution would be to merge result of provide and file search to prevent problems caused by modification
             // during distro lifecycle.
-            goal->add_rpm_install(spec, settings);
+            const auto & escaped_spec = escape_glob(spec);
+            goal->add_rpm_install(escaped_spec, settings);
         }
     }