$ git clone -n https://src.fedoraproject.org/rpms/golang-github-nats-io-jwt-2.git /var/lib/mock/f41-build-808500-145919/root/chroot_tmpdir/scmroot/golang-github-nats-io-jwt-2
Cloning into '/var/lib/mock/f41-build-808500-145919/root/chroot_tmpdir/scmroot/golang-github-nats-io-jwt-2'...
$ git fetch origin 2755664db5d4fc5df49f85b94902a98e05ede745:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-nats-io-jwt-2
 * [new ref]         2755664db5d4fc5df49f85b94902a98e05ede745 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2755664 update to v2.5.6, close rhbz#2275943