$ git clone -n https://src.fedoraproject.org/rpms/rust-zerocopy.git /var/lib/mock/f40-build-2718708-72961/root/chroot_tmpdir/scmroot/rust-zerocopy
Cloning into '/var/lib/mock/f40-build-2718708-72961/root/chroot_tmpdir/scmroot/rust-zerocopy'...
$ git fetch origin e4fde4392d27d444168c776554bc98909d0564c6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zerocopy
 * [new ref]         e4fde4392d27d444168c776554bc98909d0564c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e4fde43 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild