$ git clone -n https://src.fedoraproject.org/rpms/icu4j.git /var/lib/mock/f39-build-2160439-50946/root/chroot_tmpdir/scmroot/icu4j
Cloning into '/var/lib/mock/f39-build-2160439-50946/root/chroot_tmpdir/scmroot/icu4j'...
$ git fetch origin edb82a38dad9121ae0f1d1c3878dbe3177af767f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/icu4j
 * [new ref]         edb82a38dad9121ae0f1d1c3878dbe3177af767f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edb82a3 Also ship the component jars (bz 2252982)