$ git clone -n https://src.fedoraproject.org/rpms/rust-unicode-width.git /var/lib/mock/f40-build-2683832-67976/root/chroot_tmpdir/scmroot/rust-unicode-width
Cloning into '/var/lib/mock/f40-build-2683832-67976/root/chroot_tmpdir/scmroot/rust-unicode-width'...
$ git fetch origin ac766a1c912df1c4e8cc280377f9f2f4e56de096:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unicode-width
 * [new ref]         ac766a1c912df1c4e8cc280377f9f2f4e56de096 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ac766a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild