$ git clone -n https://src.fedoraproject.org/rpms/golang-github-azure-amqp-common.git /var/lib/mock/f40-build-2251969-54165/root/chroot_tmpdir/scmroot/golang-github-azure-amqp-common
Cloning into '/var/lib/mock/f40-build-2251969-54165/root/chroot_tmpdir/scmroot/golang-github-azure-amqp-common'...
$ git fetch origin 9133408322fad518d94792c13f7537a444893bf8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-azure-amqp-common
 * [new ref]         9133408322fad518d94792c13f7537a444893bf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9133408 Update to 4.2.0