$ git clone -n https://src.fedoraproject.org/rpms/rust-openat.git /var/lib/mock/f40-build-2326248-58828/root/chroot_tmpdir/scmroot/rust-openat
Cloning into '/var/lib/mock/f40-build-2326248-58828/root/chroot_tmpdir/scmroot/rust-openat'...
$ git fetch origin cec1237bf18119482cb6761baea8c63ff8ee90c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-openat
 * [new ref]         cec1237bf18119482cb6761baea8c63ff8ee90c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cec1237 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild