$ git clone -n https://src.fedoraproject.org/rpms/rust-basic-toml.git /var/lib/mock/f38-build-side-42-init-devel-1022852-29656/root/chroot_tmpdir/scmroot/rust-basic-toml
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1022852-29656/root/chroot_tmpdir/scmroot/rust-basic-toml'...
$ git fetch origin cb466078840095a4066b01b81c597fcf386cb404:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-basic-toml
 * [new ref]         cb466078840095a4066b01b81c597fcf386cb404 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb46607 Initial import (#2180444)