$ git clone -n https://src.fedoraproject.org/rpms/rust-stacker.git /var/lib/mock/f40-build-2327615-58860/root/chroot_tmpdir/scmroot/rust-stacker
Cloning into '/var/lib/mock/f40-build-2327615-58860/root/chroot_tmpdir/scmroot/rust-stacker'...
$ git fetch origin 3dbde9defb3aa76c639505cdb81d063c4398d28d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stacker
 * [new ref]         3dbde9defb3aa76c639505cdb81d063c4398d28d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3dbde9d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild