$ git clone -n https://src.fedoraproject.org/rpms/rust-drop_bomb.git /var/lib/mock/f40-build-2654630-66907/root/chroot_tmpdir/scmroot/rust-drop_bomb
Cloning into '/var/lib/mock/f40-build-2654630-66907/root/chroot_tmpdir/scmroot/rust-drop_bomb'...
$ git fetch origin d897db16540c5af1d224c70c8dfc647f3abaf6b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-drop_bomb
 * [new ref]         d897db16540c5af1d224c70c8dfc647f3abaf6b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d897db1 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild