$ git clone -n https://src.fedoraproject.org/rpms/nats-server.git /var/lib/mock/f40-build-1831493-24928/root/chroot_tmpdir/scmroot/nats-server
Cloning into '/var/lib/mock/f40-build-1831493-24928/root/chroot_tmpdir/scmroot/nats-server'...
$ git fetch origin a8c9fc9a92340ac9a12f7a4f28bcdec7925046b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nats-server
 * [new ref]         a8c9fc9a92340ac9a12f7a4f28bcdec7925046b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a8c9fc9 Rebuild for golang 1.22.0