$ git clone -n https://src.fedoraproject.org/rpms/jacoco.git /var/lib/mock/f41-build-1182610-21975/root/chroot_tmpdir/scmroot/jacoco
Cloning into '/var/lib/mock/f41-build-1182610-21975/root/chroot_tmpdir/scmroot/jacoco'...
$ git fetch origin 1a0bbfb2dd6b27ab9c3ad0b6f2f58e375dc01f88:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jacoco
 * [new ref]         1a0bbfb2dd6b27ab9c3ad0b6f2f58e375dc01f88 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1a0bbfb bumped to 0.8.11 whcih claims to support jdk21.