$ git clone -n https://src.fedoraproject.org/rpms/rust-copypasta.git /var/lib/mock/f40-build-2367296-60380/root/chroot_tmpdir/scmroot/rust-copypasta
Cloning into '/var/lib/mock/f40-build-2367296-60380/root/chroot_tmpdir/scmroot/rust-copypasta'...
$ git fetch origin e8d4ba2095deadd219d12bdab937ff4044f8dcb7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-copypasta
 * [new ref]         e8d4ba2095deadd219d12bdab937ff4044f8dcb7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e8d4ba2 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild