$ git clone -n https://src.fedoraproject.org/rpms/rust-termbg.git /var/lib/mock/f41-build-861536-169817/root/chroot_tmpdir/scmroot/rust-termbg
Cloning into '/var/lib/mock/f41-build-861536-169817/root/chroot_tmpdir/scmroot/rust-termbg'...
$ git fetch origin 8d17a5799b93d9cd60f554dd428df8e31278a69a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-termbg
 * [new ref]         8d17a5799b93d9cd60f554dd428df8e31278a69a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8d17a57 Update to version 0.5.2; Fixes RHBZ#2268196