fix snowflake bugs #139

	name: gomod-tidy
	on: [push, pull_request]
	jobs:
	build:
	name: Check go mod tidy
	runs-on: ubuntu-latest
	steps:
	- name: Set up Go 1.16
	uses: actions/setup-go@v1
	with:
	go-version: 1.16
	id: go

	- name: Tune the OS
	run: \|
	echo '1024 65535' \| sudo tee -a /proc/sys/net/ipv4/ip_local_port_range

	# TEMPORARY WHILE GITHUB FIXES THIS https://github.com/actions/virtual-environments/issues/3185
	- name: Add the current IP address, long hostname and short hostname record to /etc/hosts file
	run: \|
	echo -e "$(ip addr show eth0 \| grep "inet\b" \| awk '{print $2}' \| cut -d/ -f1)\t$(hostname -f) $(hostname -s)" \| sudo tee -a /etc/hosts
	# DON'T FORGET TO REMOVE CODE ABOVE WHEN ISSUE IS ADRESSED!

	- name: Check out code into the Go module directory
	uses: actions/checkout@v2

	- name: Run go mod tidy
	run: \|
	set -e
	go mod tidy
	output=$(git status -s)
	if [ -z "${output}" ]; then
	exit 0
	fi
	echo 'We wish to maintain a tidy state for go mod. Please run `go mod tidy` on your branch, commit and push again.'
	echo 'Running `go mod tidy` on this CI test yields with the following changes:'
	echo "$output"
	exit 1

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