set repo topics on migrate

src/lib/pkg/db/migrate.sh

@@ -63,6 +63,22 @@ migrate_to_yaml() {
                                 .version = env(version) |
                                 .packages = env(pkgs) )' \
                         -i "${REPO_DB}"
+
+                if [[ -n ${GIT_TOKEN} ]]; then
+                    local topic gitname
+                    gitname=$(get_compliant_name "${pkgbase}")
+
+                    topic="${REPO_MAP[$r]}"
+                    if ! add_topic "${gitname}" "${topic}"; then
+                        warning "failed to set topic: ${topic}"
+                    fi
+
+                    topic="${r}"
+                    if ! remove_topic "${gitname}" "${topic}"; then
+                        warning "failed to remove topic: ${topic}"
+                    fi
+                fi
+
             done
             git rm -r x86_64
         fi