$ git clone -n https://src.fedoraproject.org/rpms/libicu73.git /var/lib/mock/f41-build-1697944-24523/root/chroot_tmpdir/scmroot/libicu73
Cloning into '/var/lib/mock/f41-build-1697944-24523/root/chroot_tmpdir/scmroot/libicu73'...
$ git fetch origin 0497ab97a7f49f17babbd8fcfeaeac1609992593:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libicu73
 * [new ref]         0497ab97a7f49f17babbd8fcfeaeac1609992593 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0497ab9 Retire old compat package in F41+