$ git clone -n https://src.fedoraproject.org/rpms/rust-trust-dns-client.git /var/lib/mock/f38-build-side-42-init-devel-864972-28428/root/chroot_tmpdir/scmroot/rust-trust-dns-client
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-864972-28428/root/chroot_tmpdir/scmroot/rust-trust-dns-client'...
$ git fetch origin de73b9bccda97b57f6476c8fb0cf4abfd18ca8cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-trust-dns-client
 * [new ref]         de73b9bccda97b57f6476c8fb0cf4abfd18ca8cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de73b9b Initial import (#2181779)