$ git clone -n https://src.fedoraproject.org/rpms/rust-trust-dns-server.git /var/lib/mock/f39-build-1602160-38565/root/chroot_tmpdir/scmroot/rust-trust-dns-server
Cloning into '/var/lib/mock/f39-build-1602160-38565/root/chroot_tmpdir/scmroot/rust-trust-dns-server'...
$ git fetch origin e177067a7c564735dc8fb0b989699f0dc00b45d8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-trust-dns-server
 * [new ref]         e177067a7c564735dc8fb0b989699f0dc00b45d8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e177067 Update to version 0.23.1; Fixes RHBZ#2233600