$ git clone -n https://src.fedoraproject.org/rpms/rust-trust-dns-server.git /var/lib/mock/f38-build-side-42-init-devel-1396470-31050/root/chroot_tmpdir/scmroot/rust-trust-dns-server
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1396470-31050/root/chroot_tmpdir/scmroot/rust-trust-dns-server'...
$ git fetch origin 0192fd1c581df832af00892e93dd2c83eff8378c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-trust-dns-server
 * [new ref]         0192fd1c581df832af00892e93dd2c83eff8378c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0192fd1 Initial import (#2187781)