$ git clone -n https://src.fedoraproject.org/rpms/rust-timeago.git /var/lib/mock/f38-build-side-43-rust-devel-1422075-31465/root/chroot_tmpdir/scmroot/rust-timeago
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1422075-31465/root/chroot_tmpdir/scmroot/rust-timeago'...
$ git fetch origin e20d102d89c0718871fe322543e1b2ed830d8596:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-timeago
 * [new ref]         e20d102d89c0718871fe322543e1b2ed830d8596 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e20d102 Initial import (#2238567)