$ git clone -n https://src.fedoraproject.org/rpms/rust-snapbox.git /var/lib/mock/f40-build-2063785-49167/root/chroot_tmpdir/scmroot/rust-snapbox
Cloning into '/var/lib/mock/f40-build-2063785-49167/root/chroot_tmpdir/scmroot/rust-snapbox'...
$ git fetch origin 6c85a4984236ab838b6de6fbe059c8390b292779:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-snapbox
 * [new ref]         6c85a4984236ab838b6de6fbe059c8390b292779 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6c85a49 Initial import (#2246008)