$ git clone -n https://src.fedoraproject.org/rpms/byteman.git /var/lib/mock/f40-build-2493394-61664/root/chroot_tmpdir/scmroot/byteman
Cloning into '/var/lib/mock/f40-build-2493394-61664/root/chroot_tmpdir/scmroot/byteman'...
$ git fetch origin 5181e2ea1ec15482037b3166e929a3674e401c92:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/byteman
 * [new ref]         5181e2ea1ec15482037b3166e929a3674e401c92 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5181e2e Rebuilt for java-21-openjdk as system jdk