$ git clone -n https://src.fedoraproject.org/rpms/rust-half.git /var/lib/mock/f38-build-side-42-init-devel-1393641-31050/root/chroot_tmpdir/scmroot/rust-half
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1393641-31050/root/chroot_tmpdir/scmroot/rust-half'...
$ git fetch origin a4d0cf77abbf807da62704cb9c4ecc99a8d06fc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-half
 * [new ref]         a4d0cf77abbf807da62704cb9c4ecc99a8d06fc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4d0cf7 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild