$ git clone -n https://src.fedoraproject.org/rpms/rust-unic-segment.git /var/lib/mock/f40-build-2040516-48361/root/chroot_tmpdir/scmroot/rust-unic-segment
Cloning into '/var/lib/mock/f40-build-2040516-48361/root/chroot_tmpdir/scmroot/rust-unic-segment'...
$ git fetch origin 4bc39379a91e3b4feaefd05f99c85ff8cc4ce435:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unic-segment
 * [new ref]         4bc39379a91e3b4feaefd05f99c85ff8cc4ce435 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4bc3937 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild