$ git clone -n https://src.fedoraproject.org/rpms/mariadb-java-client.git /var/lib/mock/f42-build-3273249-41310/root/chroot_tmpdir/scmroot/mariadb-java-client
Cloning into '/var/lib/mock/f42-build-3273249-41310/root/chroot_tmpdir/scmroot/mariadb-java-client'...
$ git fetch origin 87f4fe002360dcb7e78358f86b7606d82d7104f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mariadb-java-client
 * [new ref]         87f4fe002360dcb7e78358f86b7606d82d7104f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 87f4fe0 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild