$ git clone -n https://src.fedoraproject.org/rpms/mysql-connector-java.git /var/lib/mock/f41-build-1483403-23823/root/chroot_tmpdir/scmroot/mysql-connector-java
Cloning into '/var/lib/mock/f41-build-1483403-23823/root/chroot_tmpdir/scmroot/mysql-connector-java'...
$ git fetch origin 4cf95cc174a3b7390abf6f0d758e4494bfbf3c37:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mysql-connector-java
 * [new ref]         4cf95cc174a3b7390abf6f0d758e4494bfbf3c37 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4cf95cc Rebuilt for java-21-openjdk as system jdk