$ git clone -n https://src.fedoraproject.org/rpms/jolokia-jvm-agent.git /var/lib/mock/f40-build-2622159-64839/root/chroot_tmpdir/scmroot/jolokia-jvm-agent
Cloning into '/var/lib/mock/f40-build-2622159-64839/root/chroot_tmpdir/scmroot/jolokia-jvm-agent'...
$ git fetch origin fd966962a5e8159dc3780a656020dfc07f87bebe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jolokia-jvm-agent
 * [new ref]         fd966962a5e8159dc3780a656020dfc07f87bebe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd96696 Rebuilt for java-21-openjdk as system jdk