$ git clone -n https://src.fedoraproject.org/rpms/rust-process_control.git /var/lib/mock/f40-build-2682607-67964/root/chroot_tmpdir/scmroot/rust-process_control
Cloning into '/var/lib/mock/f40-build-2682607-67964/root/chroot_tmpdir/scmroot/rust-process_control'...
$ git fetch origin a9b307b55c0840643527daff5c2e4ff0fac938fa:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-process_control
 * [new ref]         a9b307b55c0840643527daff5c2e4ff0fac938fa -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9b307b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild