fix empty shell in command if not set in env #696

	name: build

	on:
	push:
	branches:
	tags:
	pull_request:


	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- name: set up go 1.20.5
	uses: actions/setup-go@v4
	with:
	go-version: "1.20.5"
	id: go

	- name: checkout
	uses: actions/checkout@v3

	- name: build and test
	run: \|
	chmod 0600 ./pkg/executor/testdata/test_ssh_key
	go test -v -timeout=100s -covermode=count -coverprofile=$GITHUB_WORKSPACE/profile.cov_tmp ./...
	cat $GITHUB_WORKSPACE/profile.cov_tmp \| grep -v "mocks" \| grep -v "_mock" > $GITHUB_WORKSPACE/profile.cov

	- name: golangci-lint
	uses: golangci/golangci-lint-action@v3
	with:
	version: latest

	- name: install goveralls
	run: \|
	curl -sfL https://raw.githubusercontent.com/golangci/golangci-lint/master/install.sh\| sh -s -- -b $GITHUB_WORKSPACE v1.45.0
	GO111MODULE=off go get -u -v github.com/mattn/goveralls

	- name: submit coverage
	run: $(go env GOPATH)/bin/goveralls -service="github" -coverprofile=$GITHUB_WORKSPACE/profile.cov
	env:
	COVERALLS_TOKEN: ${{ secrets.GITHUB_TOKEN }}

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