$ git clone -n https://src.fedoraproject.org/rpms/rust-trust-dns-server.git /var/lib/mock/f40-build-2157556-50930/root/chroot_tmpdir/scmroot/rust-trust-dns-server
Cloning into '/var/lib/mock/f40-build-2157556-50930/root/chroot_tmpdir/scmroot/rust-trust-dns-server'...
$ git fetch origin 2117a703e60f363900966a0e135a47605561b854:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-trust-dns-server
 * [new ref]         2117a703e60f363900966a0e135a47605561b854 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2117a70 Update to version 0.23.2; Fixes RHBZ#2245717