$ git clone -n https://src.fedoraproject.org/rpms/rust-pleaser.git /var/lib/mock/f40-build-2116188-50703/root/chroot_tmpdir/scmroot/rust-pleaser
Cloning into '/var/lib/mock/f40-build-2116188-50703/root/chroot_tmpdir/scmroot/rust-pleaser'...
$ git fetch origin 9d5a1ecd5ad18e69fbfce2bc7565be951f39369d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pleaser
 * [new ref]         9d5a1ecd5ad18e69fbfce2bc7565be951f39369d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d5a1ec Correcting bash completion