$ git clone -n https://src.fedoraproject.org/rpms/jboss-jaxrs-2.0-api.git /var/lib/mock/f40-build-2686545-68065/root/chroot_tmpdir/scmroot/jboss-jaxrs-2.0-api
Cloning into '/var/lib/mock/f40-build-2686545-68065/root/chroot_tmpdir/scmroot/jboss-jaxrs-2.0-api'...
$ git fetch origin 396e12c54feff514596b2792d676f1410432063e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jboss-jaxrs-2.0-api
 * [new ref]         396e12c54feff514596b2792d676f1410432063e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 396e12c Rebuilt for java-21-openjdk as system jdk