$ git clone -n https://src.fedoraproject.org/rpms/unicode-ucd.git /var/lib/mock/f39-build-1459315-33124/root/chroot_tmpdir/scmroot/unicode-ucd
Cloning into '/var/lib/mock/f39-build-1459315-33124/root/chroot_tmpdir/scmroot/unicode-ucd'...
$ git fetch origin f8489573f46a829ecfa7a096d1b8d13de5e2bff3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/unicode-ucd
 * [new ref]         f8489573f46a829ecfa7a096d1b8d13de5e2bff3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f848957 Unicode 15.1 officially released