$ git clone -n https://src.fedoraproject.org/rpms/ldapjdk.git /var/lib/mock/f39-build-1743055-41369/root/chroot_tmpdir/scmroot/ldapjdk
Cloning into '/var/lib/mock/f39-build-1743055-41369/root/chroot_tmpdir/scmroot/ldapjdk'...
$ git fetch origin 72426aec77f8ac4f90f8a48e615183126f52e8f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ldapjdk
 * [new ref]         72426aec77f8ac4f90f8a48e615183126f52e8f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72426ae Set ExclusiveArch on any OS with java_arches