$ git clone -n https://src.fedoraproject.org/rpms/rust-unicode-properties.git /var/lib/mock/f45-build-45906-829/root/chroot_tmpdir/scmroot/rust-unicode-properties
Cloning into '/var/lib/mock/f45-build-45906-829/root/chroot_tmpdir/scmroot/rust-unicode-properties'...
$ git fetch origin 2fffff45d1410ab2964000bc7d5e4439a35f6b0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unicode-properties
 * [new ref]         2fffff45d1410ab2964000bc7d5e4439a35f6b0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2fffff4 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild