$ git clone -n https://src.fedoraproject.org/rpms/rust-bytemuck_derive.git /var/lib/mock/f40-build-2711030-71799/root/chroot_tmpdir/scmroot/rust-bytemuck_derive
Cloning into '/var/lib/mock/f40-build-2711030-71799/root/chroot_tmpdir/scmroot/rust-bytemuck_derive'...
$ git fetch origin db12a5093de69b6bf31ff42e2adb9f71a899e025:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-bytemuck_derive
 * [new ref]         db12a5093de69b6bf31ff42e2adb9f71a899e025 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db12a50 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild