$ git clone -n https://src.fedoraproject.org/rpms/rust-twox-hash.git /var/lib/mock/f40-build-2084156-49994/root/chroot_tmpdir/scmroot/rust-twox-hash
Cloning into '/var/lib/mock/f40-build-2084156-49994/root/chroot_tmpdir/scmroot/rust-twox-hash'...
$ git fetch origin ab9fb1055260344e229ea120f63fa8a19cb71028:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-twox-hash
 * [new ref]         ab9fb1055260344e229ea120f63fa8a19cb71028 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ab9fb10 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild