$ git clone -n https://src.fedoraproject.org/rpms/libunicode.git /var/lib/mock/f40-build-2278781-55284/root/chroot_tmpdir/scmroot/libunicode
Cloning into '/var/lib/mock/f40-build-2278781-55284/root/chroot_tmpdir/scmroot/libunicode'...
$ git fetch origin 1bd16ff7ba0c05e18d0020f72e58ea538e11ed7b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libunicode
 * [new ref]         1bd16ff7ba0c05e18d0020f72e58ea538e11ed7b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1bd16ff Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild